CN116504163B - LED display screen operation monitoring and early warning system - Google Patents
LED display screen operation monitoring and early warning system Download PDFInfo
- Publication number
- CN116504163B CN116504163B CN202310790579.5A CN202310790579A CN116504163B CN 116504163 B CN116504163 B CN 116504163B CN 202310790579 A CN202310790579 A CN 202310790579A CN 116504163 B CN116504163 B CN 116504163B
- Authority
- CN
- China
- Prior art keywords
- display screen
- current monitoring
- monitoring time
- time point
- brightness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 382
- 230000002159 abnormal effect Effects 0.000 claims description 56
- 238000010586 diagram Methods 0.000 claims description 55
- 239000012634 fragment Substances 0.000 claims description 48
- 238000011156 evaluation Methods 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention relates to the technical field of display screen operation monitoring and early warning, in particular to an LED display screen operation monitoring and early warning system, which comprises: the system comprises a brightness monitoring analysis module, a stability monitoring analysis module, a synchronicity monitoring analysis module, a display screen early warning analysis module, an operation early warning terminal and a database. The brightness uniformity and the brightness matching degree of the screen corresponding to the current monitoring time point of each display screen are analyzed, the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point is obtained through analysis, the brightness coincidence coefficient is compared with the set brightness coincidence coefficient threshold value, and corresponding early warning operation is further executed, so that the response timeliness of display screen fault early warning is improved to a great extent, the inspection times and the maintenance time of maintenance personnel are reduced, the maintenance cost is reduced, the experience of a user for watching the content of the display screen is met to the maximum extent, and the applicability of the screen brightness of the display screen is effectively ensured.
Description
Technical Field
The invention relates to the technical field of display screen operation monitoring and early warning, in particular to an LED display screen operation monitoring and early warning system.
Background
The LED display screen is widely applied to various indoor and outdoor occasions, such as commercial advertisements, stadiums, traffic indications and the like. However, due to long-term operation and environmental changes of the LED display screen, malfunction and damage may be caused, thereby affecting the display effect and the service life. Therefore, an effective operation monitoring and early warning system is needed to monitor the operation state of the LED display screen and discover problems in time.
At present, the running state of the LED display screen is monitored usually by manually and regularly maintaining, the degree of automation and intelligence is not high, subjectivity exists due to manual maintenance, and higher requirements are provided for professional literacy of maintenance staff, and the accuracy of early warning information is not high easily due to insufficient monitoring indexes of the LED display screen, and the running early warning result of the display screen has error and unilateral property easily.
When the running state of the LED display screen is monitored manually at present, the synchronicity of the picture and the sound of the display screen is usually ignored, so that the monitoring and early warning result lacks scientificity and reliability, the LED display screen is not beneficial to maintenance and treatment aimed at, and the display effect and the service life of the display screen are reduced to a certain extent.
Disclosure of Invention
The invention aims to provide an LED display screen operation monitoring and early warning system.
The aim of the invention can be achieved by the following technical scheme: an LED display screen operation monitoring and early warning system, comprising:
the brightness monitoring analysis module is used for monitoring the brightness of each display screen corresponding to the current monitoring time point to obtain a first parameter of each display screen corresponding to the current monitoring time point, and analyzing the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point to obtain the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point.
Preferably, the brightness of each display screen corresponding to the current monitoring time point is monitored, and the specific monitoring mode is as follows:
uniformly distributing detection points on each display screen, monitoring the brightness of each detection point on each display screen at the current monitoring time point through a brightness sensor to obtain the brightness of each display screen corresponding to each detection point at the current monitoring time point, and marking asI is the number of the display screen, i=1, 2, …, n, j is the number of each detection point, j=1, 2, …, m;
the method comprises the steps of obtaining the center point positions of all display screens, prolonging the set distance of the center point corresponding to each display screen according to the preset horizontal direction, and meanwhile marking the prolonged center point as a marking point to obtain the marking point corresponding to each display screen;
carrying out ground projection on the marking points corresponding to the display screens to obtain projection points of the marking points corresponding to the display screens, and marking the projection points as measuring points to obtain measuring points corresponding to the display screens;
the brightness of the corresponding mark point of each display screen at the current monitoring time point is acquired through a brightness sensor, so that the brightness of the corresponding mark point of each display screen at the current monitoring time point is obtained and recorded as；
The brightness of the corresponding measuring points of each display screen at the current monitoring time point is acquired through a brightness sensor, so that the brightness of the corresponding measuring points of each display screen at the current monitoring time point is obtained and recorded as；
And forming a first parameter of each display screen corresponding to the current monitoring time point by the brightness of each display screen corresponding to each detection point at the current monitoring time point, the brightness of the mark point at the current monitoring time point and the brightness of the measuring point at the current monitoring time point.
Preferably, the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point is analyzed, and the specific analysis process is as follows:
calculating the average value of the brightness of each display screen corresponding to each detection point at the current monitoring time point to obtain the average brightness of each display screen corresponding to the current monitoring time point, and marking the average brightness asAcquiring the positions of the corresponding detection points of the display screens, and simultaneously extracting the brightness of the corresponding center point of each display screen at the current monitoring time point from the brightness of the corresponding detection point of each display screen at the current monitoring time point based on the positions of the corresponding center points of each display screen, wherein the brightness is marked as +.>；
According to the formulaCalculating the uniformity of the brightness of the screen corresponding to the current monitoring time point of each display screen>E is expressed as a natural constant, ">Expressed as the brightness of the j-1 th detection point corresponding to the ith display screen at the current monitoring time point,/for the display screen>Weight factors respectively set for the set allowable luminance differences a1, a2 and a 3;
calculating the average value of the brightness of each display screen corresponding to the measuring point at the current monitoring time point and the brightness of the marking point at the current monitoring time point to obtain the environment brightness of each display screen corresponding to the current monitoring time point, and marking as；
Matching the ambient brightness of each display screen corresponding to the current monitoring time point with the set reference screen brightness corresponding to each ambient brightness to obtain the reference screen brightness of each display screen corresponding to the current monitoring time point, and recording as；
According to the formulaCalculating the screen brightness matching degree of each display screen corresponding to the current monitoring time point>；
According to the formulaCalculating brightness coincidence coefficient of each display screen corresponding to the current monitoring time point>A4 and a5 are respectively expressed as set coefficient factors.
The stability monitoring analysis module is used for monitoring the screen stability of each display screen corresponding to the current monitoring time point to obtain a second parameter of each display screen corresponding to the current monitoring time point, and analyzing the screen stability of each display screen corresponding to the current monitoring time point to obtain a screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point.
Preferably, the screen stability of each display screen corresponding to the current monitoring time point is monitored, and the specific monitoring mode is as follows:
monitoring the screen state of each display screen corresponding to the current monitoring time point, if the screen state of a certain display screen corresponding to the current monitoring time point is a flicker state, extracting an influence factor corresponding to the flicker state stored in a database as the screen state influence factor of the display screen corresponding to the current monitoring time point, if the screen state of a certain display screen corresponding to the current monitoring time point is an unblown state, extracting an influence factor corresponding to the unblown state stored in the database as the screen state influence factor of the display screen corresponding to the current monitoring time point, thereby obtaining the screen state influence factor of each display screen corresponding to the current monitoring time point, and recording as the screen state influence factor of the current monitoring time point；
Acquiring screen pictures of each display screen corresponding to the current monitoring time point, extracting the number of abnormal positions of the pictures of each display screen corresponding to the current monitoring time point and the abnormal areas of the abnormal positions of each picture from the screen pictures of each display screen corresponding to the current monitoring time point, obtaining the number of abnormal positions of the pictures of each display screen corresponding to the current monitoring time point and the abnormal areas of the abnormal positions of each picture, and respectively recording asAnd->F is the number of each screen abnormality, f=1, 2, … …, g;
and forming a second parameter of each display screen corresponding to the current monitoring time point by the screen state influence factor of each display screen corresponding to the current monitoring time point, the number of abnormal positions of the pictures and the abnormal area of the abnormal positions of each picture.
Preferably, the screen stability of each display screen corresponding to the current monitoring time point is analyzed in the following specific analysis mode:
the number of abnormal positions of the picture corresponding to the current monitoring time point of each display screenNormalizing the quantity and the abnormal area of each abnormal position of the picture and taking the numerical value of the quantity and the abnormal area, and simultaneously according to a formulaCalculating the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point>A6 and a7 are respectively represented as set weight factors.
The synchronicity monitoring analysis module is used for monitoring the screen synchronicity of each display screen corresponding to the current monitoring time point to obtain a third parameter of each display screen corresponding to the current monitoring time point, and analyzing the synchronicity of each display screen corresponding to the current monitoring time point to obtain a synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point.
Preferably, the screen synchronicity of each display screen corresponding to the current monitoring time point is monitored, and the specific monitoring mode is as follows:
matching the screen picture of each display screen corresponding to the current monitoring time point with the playing video corresponding to each screen picture in the database to obtain the playing video corresponding to each display screen;
recording the time length from the current monitoring time point to the next monitoring time point as a current monitoring section, and extracting audio fragments of screen pictures in the current monitoring section corresponding to each display screen from the playing video corresponding to each display screen to serve as reference audio fragments of the current monitoring time point corresponding to each display screen;
acquiring actual audio segments of the display screens corresponding to the current monitoring segment to obtain actual audio segments of the display screens corresponding to the current monitoring segment, wherein the actual audio segments are used as actual audio segments of the display screens corresponding to the current monitoring time point;
and forming a third parameter of each display screen corresponding to the current monitoring time point by the reference audio fragment and the actual audio fragment of each display screen corresponding to the current monitoring time point.
Preferably, the analyzing the synchronicity of each display screen corresponding to the current monitoring time point specifically includes:
carrying out volume equalization processing on the reference audio frequency fragment and the actual audio frequency fragment of each display screen corresponding to the current monitoring time point, carrying out noise reduction processing on the reference audio frequency fragment and the actual audio frequency fragment of each display screen corresponding to the current monitoring time point, obtaining the processed reference audio frequency fragment and the processed actual audio frequency fragment of each display screen corresponding to the current monitoring time point, and respectively recording the processed reference audio frequency fragment and the processed actual audio frequency fragment of each display screen corresponding to the current monitoring time point as a reference audio frequency fragment and a collected audio frequency fragment of each display screen;
acquiring the waveform diagram of the reference audio segment corresponding to the current monitoring time point of each display screen, and acquiring the waveform diagram of the acquired audio segment corresponding to the current monitoring time point of each display screen to obtain the reference audio waveform diagram and the acquired audio waveform diagram corresponding to the current monitoring time point of each display screen;
acquiring the length of each display screen corresponding to the reference audio waveform diagram in the current monitoring time point, and marking the length as；
Overlapping and comparing the acquired audio waveform diagram of each display screen corresponding to the current monitoring time point with the corresponding reference audio waveform diagram to obtain the audio waveform overlapping length of the acquired audio waveform diagram of each display screen corresponding to the current monitoring time point and the corresponding reference audio waveform diagram, marking the audio waveform overlapping length as the waveform overlapping length, and obtaining the waveform overlapping length of each display screen corresponding to the current monitoring time point, marking the waveform overlapping length as the reference audio waveform overlapping length；
Extracting each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point from the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, acquiring the value of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, marking the value as a reference value, acquiring the value of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, marking the value as the reference value of each extreme point in each display screen corresponding to the current monitoring time point, marking the value as a reference value of each extreme point in each display screen corresponding to the current monitoring time point, and marking the value as a reference value of each extreme point in each display screenR denotes the number of each extreme point, r=1, 2, …, k;
extracting each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time from the acquired audio waveform diagram of each display screen corresponding to the current monitoring time according to the position of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time, obtaining each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time, obtaining the value of each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time, taking the value as the acquisition value of each extreme point in each display screen corresponding to the current monitoring time, and marking as the acquisition value of each extreme point in each display screen corresponding to the current monitoring time；
According to the formulaCalculating the synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point>，/>Expressed as a set allowed value difference, +.>Respectively expressed as set coefficient factors.
The display screen early warning analysis module is used for analyzing the early warning parameters of the display screens corresponding to the current monitoring time point to obtain the early warning parameters of the display screens corresponding to the current monitoring time point.
Preferably, the pre-warning parameters of each display screen corresponding to the current monitoring time point are analyzed, and the specific analysis process is as follows:
comparing the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point with a set brightness coincidence coefficient threshold value, and judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen brightness early warning if the brightness coincidence coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set brightness coincidence coefficient threshold value;
comparing the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point with a set screen stability evaluation coefficient threshold value, and if the screen stability evaluation coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set screen stability evaluation coefficient threshold value, judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen stability early warning;
comparing the synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point with a set synchronicity evaluation coefficient threshold value, and if the synchronicity evaluation coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set synchronicity evaluation coefficient threshold value, judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen synchronicity early warning;
and counting to obtain the early warning parameters of each display screen corresponding to the current monitoring time point.
And running an early warning terminal, wherein the early warning terminal is used for carrying out corresponding early warning based on early warning parameters of each display screen corresponding to the current monitoring time point.
The invention has the beneficial effects that:
according to the invention, the brightness uniformity and the brightness matching degree of the screen corresponding to the current monitoring time point of each display screen are analyzed, and the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point is obtained through analysis, and is compared with the set brightness coincidence coefficient threshold value, so that corresponding early warning operation is executed, the response timeliness of the fault early warning of the display screen is improved to a great extent, the inspection times and the maintenance time of maintenance personnel are reduced, the maintenance cost is reduced, the experience of a user for watching the content of the display screen is met to the maximum extent, and the applicability of the brightness of the display screen is effectively ensured.
According to the invention, the screen state of each display screen corresponding to the current monitoring time point is analyzed, and the number of abnormal positions of the pictures and the abnormal areas of the abnormal positions of the pictures of each display screen corresponding to the current monitoring time point are obtained, so that the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point is obtained, and is further compared with the set screen stability evaluation coefficient threshold value, and meanwhile, corresponding early warning operation is executed, so that the timeliness of fault early warning of the display screen is greatly improved, and the display effect and the reduction of the service life caused by faults and damages are effectively avoided.
According to the invention, the synchronicity of the playing picture and the audio corresponding to the current monitoring time point of each display screen is monitored and analyzed, so that the synchronicity evaluation coefficient corresponding to the current monitoring time point of each display screen is obtained, and is compared with the set synchronicity evaluation coefficient threshold value, so that corresponding early warning operation is executed, the defect that the picture and the sound of the display screen are not synchronized is avoided to the maximum extent, the watching experience of a user is greatly improved, the reliability and the stability of the display screen are further improved, and meanwhile, the stability and the definition of the display effect of the display screen are effectively ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a system block diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention is an LED display operation monitoring and early warning system, comprising: the system comprises a brightness monitoring analysis module, a stability monitoring analysis module, a synchronicity monitoring analysis module, a display screen early warning analysis module, an operation early warning terminal and a database.
The brightness monitoring and analyzing module is used for monitoring the brightness of each display screen corresponding to the current monitoring time point, and the specific monitoring mode is as follows:
uniformly distributing detection points on each display screen, monitoring the brightness of each detection point on each display screen at the current monitoring time point through a brightness sensor to obtain the brightness of each display screen corresponding to each detection point at the current monitoring time point, and marking asI is the number of the display screen, i=1, 2, …, n, j is the number of each detection point, j=1, 2, …, m.
And acquiring the center point position of each display screen, extending the set distance of the center point corresponding to each display screen according to the preset horizontal direction, and marking the extended center point as a marking point to obtain the marking point corresponding to each display screen.
And carrying out ground projection on the mark points corresponding to the display screens to obtain projection points of the mark points corresponding to the display screens, and marking the projection points as measurement points to obtain the measurement points corresponding to the display screens.
The brightness of the corresponding mark point of each display screen at the current monitoring time point is acquired through a brightness sensor, so that the brightness of the corresponding mark point of each display screen at the current monitoring time point is obtained and recorded as。
The brightness of the corresponding measuring points of each display screen at the current monitoring time point is acquired through a brightness sensor, so that the brightness of the corresponding measuring points of each display screen at the current monitoring time point is obtained and recorded as。
And forming a first parameter of each display screen corresponding to the current monitoring time point by the brightness of each display screen corresponding to each detection point at the current monitoring time point, the brightness of the mark point at the current monitoring time point and the brightness of the measuring point at the current monitoring time point.
The brightness coincidence coefficient of each display screen corresponding to the current monitoring time point is analyzed, and the specific analysis mode is as follows:
corresponding to each detection point of each display screen in current monitoringThe brightness of the intermediate points is subjected to average value calculation to obtain the average brightness of each display screen corresponding to the current monitoring time point, and the average brightness is recorded asAcquiring the positions of the corresponding detection points of the display screens, and simultaneously extracting the brightness of the corresponding center point of each display screen at the current monitoring time point from the brightness of the corresponding detection point of each display screen at the current monitoring time point based on the positions of the corresponding center points of each display screen, wherein the brightness is marked as +.>。
According to the formulaCalculating the uniformity of the brightness of the screen corresponding to the current monitoring time point of each display screen>E is expressed as a natural constant, ">Expressed as the brightness of the j-1 th detection point corresponding to the ith display screen at the current monitoring time point,/for the display screen>The weight factors set for the respective allowable luminance differences a1, a2, a3 are shown.
Calculating the average value of the brightness of each display screen corresponding to the measuring point at the current monitoring time point and the brightness of the marking point at the current monitoring time point to obtain the environment brightness of each display screen corresponding to the current monitoring time point, and marking as。
Matching the ambient brightness of each display screen corresponding to the current monitoring time point with the set reference screen brightness corresponding to each ambient brightness to obtain the reference screen brightness of each display screen corresponding to the current monitoring time point, and recording as。
According to the formulaCalculating the screen brightness matching degree of each display screen corresponding to the current monitoring time point>。
According to the formulaCalculating brightness coincidence coefficient of each display screen corresponding to the current monitoring time point>A4 and a5 are respectively expressed as set coefficient factors.
In a specific embodiment, the invention analyzes the uniformity of the brightness of the screen and the matching degree of the brightness of the screen corresponding to the current monitoring time point of each display screen, and obtains the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point through analysis, and compares the brightness coincidence coefficient with the set brightness coincidence coefficient threshold value, so as to execute corresponding early warning operation, thereby not only greatly improving the response timeliness of the fault early warning of the display screen, reducing the inspection times and the maintenance time of maintenance personnel and the maintenance cost, but also meeting the experience of watching the content of the display screen to the maximum extent, and effectively guaranteeing the applicability of the brightness of the display screen.
The stability monitoring and analyzing module is used for monitoring the screen stability of each display screen corresponding to the current monitoring time point, and the specific monitoring mode is as follows:
monitoring the screen state of each display screen corresponding to the current monitoring time point, if the screen state of a certain display screen corresponding to the current monitoring time point is a flicker state, extracting an influence factor corresponding to the flicker state stored in a database as the screen state influence factor of the display screen corresponding to the current monitoring time point, and if the screen state of a certain display screen corresponding to the current monitoring time point is an unblown state, extracting the influence factor in the databaseThe stored influence factors corresponding to the non-blinking state are used as the screen state influence factors corresponding to the current monitoring time point of the display screen, so that the screen state influence factors corresponding to the current monitoring time point of each display screen are obtained and recorded as。
Acquiring screen pictures of the display screens corresponding to the current monitoring time point, dividing the screen pictures of the display screens corresponding to the current monitoring time point into sub-screens according to a set dividing area to obtain pictures of the sub-screens of the display screens corresponding to the current monitoring time point, and simultaneously matching the pictures with picture expression images corresponding to set picture abnormal states, wherein the picture abnormal states comprise: black screen, occlusion, loss of picture, etc. If the picture of a certain sub-screen is successfully matched with the picture representation image corresponding to the set abnormal state of the certain picture, the picture of the sub-screen is marked as an abnormal picture, and thus different pictures of the display screens corresponding to the current monitoring time point are obtained.
Extracting abnormal areas of the abnormal pictures of the display screens corresponding to the current monitoring time point from the abnormal pictures of the display screens corresponding to the current monitoring time point, counting the number of the abnormal pictures of the display screens corresponding to the current monitoring time point, taking the number of the abnormal positions of the pictures of the display screens corresponding to the current monitoring time point as the number of the abnormal positions of the pictures of the display screens corresponding to the current monitoring time point, further obtaining the number of the abnormal positions of the pictures of the display screens corresponding to the current monitoring time point and the abnormal areas of the abnormal positions of the pictures, and respectively marking the abnormal areas asAnd->F is the number of each screen abnormality, f=1, 2, … …, g.
And forming a second parameter of each display screen corresponding to the current monitoring time point by the screen state influence factor of each display screen corresponding to the current monitoring time point, the number of abnormal positions of the pictures and the abnormal area of the abnormal positions of each picture.
The screen stability of each display screen corresponding to the current monitoring time point is analyzed, and the specific analysis mode is as follows:
normalizing the number of abnormal positions of the pictures and the abnormal area of the abnormal positions of each picture corresponding to the current monitoring time point of each display screen, and taking the numerical value of the abnormal positions, and simultaneously according to a formulaCalculating the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point>A6 and a7 are respectively represented as set weight factors.
In a specific embodiment, the invention analyzes the screen state of each display screen corresponding to the current monitoring time point, and acquires the number of abnormal positions of the pictures of each display screen corresponding to the current monitoring time point and the abnormal area of each abnormal position of the pictures, so that the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point is obtained, and is further compared with the set screen stability evaluation coefficient threshold value, and meanwhile, corresponding early warning operation is executed, so that the timeliness of fault early warning of the display screen is greatly improved, and the display effect and the reduction of the service life caused by faults and damages are effectively avoided.
The synchronization monitoring and analyzing module is used for monitoring the screen synchronization of each display screen corresponding to the current monitoring time point, and the specific monitoring mode is as follows:
and matching the screen picture of each display screen corresponding to the current monitoring time point with the playing video corresponding to each screen picture in the database to obtain the playing video corresponding to each display screen.
And recording the time length from the current monitoring time point to the next monitoring time point as a current monitoring section, and extracting the audio frequency fragments of the screen pictures in the current monitoring section corresponding to the display screens from the playing videos corresponding to the display screens to serve as the reference audio frequency fragments of the current monitoring time point corresponding to the display screens.
And acquiring actual audio frequency fragments of the display screens corresponding to the current monitoring section to obtain actual audio frequency fragments of the display screens corresponding to the current monitoring section, wherein the actual audio frequency fragments are used as the actual audio frequency fragments of the display screens corresponding to the current monitoring time point.
And forming a third parameter of each display screen corresponding to the current monitoring time point by the reference audio fragment and the actual audio fragment of each display screen corresponding to the current monitoring time point.
The synchronicity of each display screen corresponding to the current monitoring time point is analyzed, and the specific analysis steps are as follows:
and carrying out volume equalization processing on the reference audio frequency fragment and the actual audio frequency fragment corresponding to the current monitoring time point of each display screen, carrying out noise reduction processing on the reference audio frequency fragment and the actual audio frequency fragment corresponding to the current monitoring time point of each display screen, obtaining the processed reference audio frequency fragment and the processed actual audio frequency fragment corresponding to the current monitoring time point of each display screen, and respectively recording the processed reference audio frequency fragment and the processed actual audio frequency fragment corresponding to the current monitoring time point of each display screen as a reference audio frequency fragment and a collected audio frequency fragment corresponding to the current monitoring time point of each display screen.
And acquiring the waveform diagram of the reference audio segment corresponding to the current monitoring time point of each display screen, and simultaneously acquiring the waveform diagram of the acquired audio segment corresponding to the current monitoring time point of each display screen to obtain the reference audio waveform diagram and the acquired audio waveform diagram corresponding to the current monitoring time point of each display screen.
Acquiring the length of each display screen corresponding to the reference audio waveform diagram in the current monitoring time point, and marking the length as。
Overlapping and comparing the acquired audio waveform diagram of each display screen corresponding to the current monitoring time point with the corresponding reference audio waveform diagram to obtain the audio waveform overlapping length of the acquired audio waveform diagram of each display screen corresponding to the current monitoring time point and the corresponding reference audio waveform diagram, marking the audio waveform overlapping length as the waveform overlapping length, and obtaining the waveform overlapping length of each display screen corresponding to the current monitoring time point, marking the waveform overlapping length as the reference audio waveform overlapping length。
Reference audio wave corresponding to current monitoring time point from each display screenExtracting each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point from the waveform diagram, acquiring the value of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, marking the value as a reference value, acquiring the value of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, marking the value as the reference value of each extreme point in each display screen corresponding to the current monitoring time point, marking the value as a reference value of each extreme point in each display screen corresponding to the current monitoring time point, and marking the value as a reference valueR denotes the number of each extreme point, r=1, 2, …, k.
Extracting each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time from the acquired audio waveform diagram of each display screen corresponding to the current monitoring time according to the position of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time, obtaining each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time, obtaining the value of each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time, taking the value as the acquisition value of each extreme point in each display screen corresponding to the current monitoring time, and marking as the acquisition value of each extreme point in each display screen corresponding to the current monitoring time。
According to the formulaCalculating the synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point>，/>Expressed as a set allowed value difference, +.>Respectively expressed as set coefficient factors.
In a specific embodiment, the method monitors and analyzes the synchronicity of the playing picture and the audio corresponding to the current monitoring time point of each display screen, so that the synchronicity evaluation coefficient corresponding to the current monitoring time point of each display screen is obtained, and is compared with the set synchronicity evaluation coefficient threshold value, so that corresponding early warning operation is carried out, the defect that the picture and the sound of the display screen are not synchronized is avoided to the maximum extent, the watching experience of a user is greatly improved, the reliability and the stability of the display screen are further improved, and meanwhile, the stability and the definition of the display effect of the display screen are effectively ensured.
The display screen early warning analysis module is used for analyzing the early warning parameters of each display screen corresponding to the current monitoring time point, and the specific analysis mode is as follows:
and comparing the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point with a set brightness coincidence coefficient threshold value, and judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen brightness early warning if the brightness coincidence coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set brightness coincidence coefficient threshold value.
Comparing the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point with a set screen stability evaluation coefficient threshold value, and if the screen stability evaluation coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set screen stability evaluation coefficient threshold value, judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen stability early warning.
Comparing the synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point with a set synchronicity evaluation coefficient threshold value, and if the synchronicity evaluation coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set synchronicity evaluation coefficient threshold value, judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen synchronicity early warning.
And counting to obtain the early warning parameters of each display screen corresponding to the current monitoring time point.
And running an early warning terminal, wherein the early warning terminal is used for carrying out corresponding early warning based on early warning parameters of each display screen corresponding to the current monitoring time point.
The database is used for storing the influence factors corresponding to the flicker state and the influence factors corresponding to the non-flicker state and storing the playing video corresponding to each screen picture.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. An LED display screen operation monitoring and early warning system, comprising:
the brightness monitoring analysis module is used for uniformly distributing detection points on each display screen, monitoring the brightness of each detection point on each display screen at the current monitoring time point through the brightness sensor to obtain the brightness of each detection point corresponding to each display screen at the current monitoring time point, simultaneously obtaining the detection point and the mark point corresponding to each display screen, respectively obtaining the brightness of each display screen corresponding to the detection point at the current monitoring time point and the brightness of the mark point at the current monitoring time point through the brightness sensor, thereby obtaining the first parameter of each display screen corresponding to the current monitoring time point, wherein the first parameter of each display screen corresponding to the current monitoring time point comprises the brightness of each display screen corresponding to each detection point at the current monitoring time point, the brightness of the mark point at the current monitoring time point and the brightness of the detection point at the current monitoring time point, and the specific monitoring mode is as follows:
uniformly distributing detection points on each display screen, monitoring the brightness of each detection point on each display screen at the current monitoring time point through a brightness sensor to obtain the brightness of each display screen corresponding to each detection point at the current monitoring time point, and marking asI is the number of the display screen, i=1, 2, …, n, j is the number of each detection point, j=1, 2, …, m;
the method comprises the steps of obtaining the center point positions of all display screens, prolonging the set distance of the center point corresponding to each display screen according to the preset horizontal direction, and meanwhile marking the prolonged center point as a marking point to obtain the marking point corresponding to each display screen;
carrying out ground projection on the marking points corresponding to the display screens to obtain projection points of the marking points corresponding to the display screens, and marking the projection points as measuring points to obtain measuring points corresponding to the display screens;
the brightness of the corresponding mark point of each display screen at the current monitoring time point is acquired through a brightness sensor, so that the brightness of the corresponding mark point of each display screen at the current monitoring time point is obtained and recorded as；
The brightness of the corresponding measuring points of each display screen at the current monitoring time point is acquired through a brightness sensor, so that the brightness of the corresponding measuring points of each display screen at the current monitoring time point is obtained and recorded as；
The brightness uniformity and the brightness matching degree of the screen corresponding to the current monitoring time point of each display screen are obtained through analysis, and the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point is obtained through analysis based on the brightness uniformity and the brightness matching degree of the screen corresponding to the current monitoring time point of each display screen:
calculating the average value of the brightness of each display screen corresponding to each detection point at the current monitoring time point to obtain the average brightness of each display screen corresponding to the current monitoring time point, and marking the average brightness asAcquiring the positions of the corresponding detection points of the display screens, and simultaneously extracting the brightness of the corresponding center point of each display screen at the current monitoring time point from the brightness of the corresponding detection point of each display screen at the current monitoring time point based on the positions of the corresponding center points of each display screen, wherein the brightness is marked as +.>；
According to the formulaCalculating the uniformity of the brightness of the screen corresponding to the current monitoring time point of each display screen>E is expressed as a natural constant, ">Expressed as the brightness of the j-1 th detection point corresponding to the ith display screen at the current monitoring time point,/for the display screen>Weight factors respectively set for the set allowable luminance differences a1, a2 and a 3;
calculating the average value of the brightness of each display screen corresponding to the measuring point at the current monitoring time point and the brightness of the marking point at the current monitoring time point to obtain the environment brightness of each display screen corresponding to the current monitoring time point, and marking as；
Matching the ambient brightness of each display screen corresponding to the current monitoring time point with the set reference screen brightness corresponding to each ambient brightness to obtain the reference screen brightness of each display screen corresponding to the current monitoring time point, and recording as；
According to the formulaCalculating the screen brightness matching degree of each display screen corresponding to the current monitoring time point；
According to the formulaCalculating brightness coincidence coefficient of each display screen corresponding to the current monitoring time point>A4 and a5 are respectively expressed as set coefficient factors;
the stability monitoring analysis module is used for monitoring the screen state of each display screen corresponding to the current monitoring time point, analyzing to obtain a screen state influence factor of each display screen corresponding to the current monitoring time point, acquiring screen pictures of each display screen corresponding to the current monitoring time point, extracting the number of abnormal positions of the pictures of each display screen corresponding to the current monitoring time point and the abnormal area of the abnormal positions of each picture from the screen pictures of each display screen corresponding to the current monitoring time point, thereby obtaining a second parameter of each display screen corresponding to the current monitoring time point, wherein the second parameter of each display screen corresponding to the current monitoring time point comprises the screen state influence factor of each display screen corresponding to the current monitoring time point, the number of abnormal positions of the pictures and the abnormal area of the abnormal positions of each picture, and the specific monitoring mode is as follows:
monitoring the screen state of each display screen corresponding to the current monitoring time point, if the screen state of a certain display screen corresponding to the current monitoring time point is a flicker state, extracting an influence factor corresponding to the flicker state stored in a database as the screen state influence factor of the display screen corresponding to the current monitoring time point, if the screen state of a certain display screen corresponding to the current monitoring time point is an unblown state, extracting an influence factor corresponding to the unblown state stored in the database as the screen state influence factor of the display screen corresponding to the current monitoring time point, thereby obtaining the screen state influence factor of each display screen corresponding to the current monitoring time point, and recording as the screen state influence factor of the current monitoring time point；
Obtaining the screen picture of each display screen corresponding to the current monitoring time pointThe number of the abnormal positions of the pictures and the abnormal area of the abnormal positions of the pictures corresponding to the current monitoring time point are obtained from the screen pictures corresponding to the current monitoring time point of each display screen, and the number of the abnormal positions of the pictures and the abnormal area of the abnormal positions of the pictures corresponding to the current monitoring time point of each display screen are respectively recorded asAnd->F is the number of each screen abnormality, f=1, 2, …, g;
the screen stability of each display screen corresponding to the current monitoring time point is analyzed, and the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point is obtained:
normalizing the number of abnormal positions of the pictures and the abnormal area of the abnormal positions of each picture corresponding to the current monitoring time point of each display screen, and taking the numerical value of the abnormal positions, and simultaneously according to a formulaCalculating the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point>A6 and a7 are respectively expressed as set weight factors;
the synchronicity monitoring analysis module is used for carrying out matching analysis on the playing video of each display screen corresponding to the current monitoring time point, acquiring a reference audio fragment and an actual audio fragment of each display screen corresponding to the current monitoring time point, obtaining a third parameter of each display screen corresponding to the current monitoring time point, and analyzing synchronicity of each display screen corresponding to the current monitoring time point, so as to obtain a synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point;
the display screen early warning analysis module is used for analyzing the early warning parameters of the display screens corresponding to the current monitoring time points to obtain the early warning parameters of the display screens corresponding to the current monitoring time points:
comparing the brightness coincidence coefficient of each display screen corresponding to the current monitoring time point with a set brightness coincidence coefficient threshold value, and judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen brightness early warning if the brightness coincidence coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set brightness coincidence coefficient threshold value;
comparing the screen stability evaluation coefficient of each display screen corresponding to the current monitoring time point with a set screen stability evaluation coefficient threshold value, and if the screen stability evaluation coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set screen stability evaluation coefficient threshold value, judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen stability early warning;
comparing the synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point with a set synchronicity evaluation coefficient threshold value, and if the synchronicity evaluation coefficient of a certain display screen corresponding to the current monitoring time point is smaller than the set synchronicity evaluation coefficient threshold value, judging that the early warning parameter of the display screen corresponding to the current monitoring time point is screen synchronicity early warning;
counting to obtain early warning parameters of each display screen corresponding to the current monitoring time point;
and running an early warning terminal, wherein the early warning terminal is used for carrying out corresponding early warning based on early warning parameters of each display screen corresponding to the current monitoring time point.
2. The LED display screen operation monitoring and early warning system according to claim 1, wherein the third parameter of each display screen corresponding to the current monitoring time point comprises a reference audio segment and an actual audio segment of each display screen corresponding to the current monitoring time point, and the specific acquisition mode is as follows:
matching the screen picture of each display screen corresponding to the current monitoring time point with the playing video corresponding to each screen picture in the database to obtain the playing video corresponding to each display screen;
recording the time length from the current monitoring time point to the next monitoring time point as a current monitoring section, and extracting audio fragments of screen pictures in the current monitoring section corresponding to each display screen from the playing video corresponding to each display screen to serve as reference audio fragments of the current monitoring time point corresponding to each display screen;
acquiring actual audio segments of the display screens corresponding to the current monitoring segment to obtain actual audio segments of the display screens corresponding to the current monitoring segment, wherein the actual audio segments are used as actual audio segments of the display screens corresponding to the current monitoring time point;
and forming a third parameter of each display screen corresponding to the current monitoring time point by the reference audio fragment and the actual audio fragment of each display screen corresponding to the current monitoring time point.
3. The LED display screen operation monitoring and early warning system according to claim 1, wherein the analyzing the synchronicity of each display screen corresponding to the current monitoring time point is as follows:
carrying out volume equalization processing on the reference audio frequency fragment and the actual audio frequency fragment of each display screen corresponding to the current monitoring time point, carrying out noise reduction processing on the reference audio frequency fragment and the actual audio frequency fragment of each display screen corresponding to the current monitoring time point, obtaining the processed reference audio frequency fragment and the processed actual audio frequency fragment of each display screen corresponding to the current monitoring time point, and respectively recording the processed reference audio frequency fragment and the processed actual audio frequency fragment of each display screen corresponding to the current monitoring time point as a reference audio frequency fragment and a collected audio frequency fragment of each display screen;
acquiring the waveform diagram of the reference audio segment corresponding to the current monitoring time point of each display screen, and acquiring the waveform diagram of the acquired audio segment corresponding to the current monitoring time point of each display screen to obtain the reference audio waveform diagram and the acquired audio waveform diagram corresponding to the current monitoring time point of each display screen;
acquiring the length of each display screen corresponding to the reference audio waveform diagram in the current monitoring time point, and marking the length as；
Overlapping and comparing the acquired audio waveform diagram of each display screen corresponding to the current monitoring time point with the corresponding reference audio waveform diagram to obtainThe overlapping length of the audio waveform of the acquired audio waveform diagram corresponding to the current monitoring time point and the corresponding reference audio waveform diagram of each display screen is recorded as the overlapping length of the waveform, and the overlapping length of the waveform corresponding to the current monitoring time point of each display screen is obtained and marked as；
Extracting each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point from the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, acquiring the value of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, marking the value as a reference value, acquiring the value of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time point, marking the value as the reference value of each extreme point in each display screen corresponding to the current monitoring time point, marking the value as a reference value of each extreme point in each display screen corresponding to the current monitoring time point, and marking the value as a reference value of each extreme point in each display screenR denotes the number of each extreme point, r=1, 2, …, k;
extracting each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time from the acquired audio waveform diagram of each display screen corresponding to the current monitoring time according to the position of each extreme point in the reference audio waveform diagram of each display screen corresponding to the current monitoring time, obtaining each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time, obtaining the value of each acquisition point in the acquired audio waveform diagram of each display screen corresponding to the current monitoring time, taking the value as the acquisition value of each extreme point in each display screen corresponding to the current monitoring time, and marking as the acquisition value of each extreme point in each display screen corresponding to the current monitoring time；
According to the formulaCalculating the synchronicity evaluation coefficient of each display screen corresponding to the current monitoring time point>，/>Expressed as a set allowed value difference, +.>Respectively expressed as set coefficient factors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310790579.5A CN116504163B (en) | 2023-06-30 | 2023-06-30 | LED display screen operation monitoring and early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310790579.5A CN116504163B (en) | 2023-06-30 | 2023-06-30 | LED display screen operation monitoring and early warning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116504163A CN116504163A (en) | 2023-07-28 |
| CN116504163B true CN116504163B (en) | 2023-08-29 |
Family
ID=87327109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310790579.5A Active CN116504163B (en) | 2023-06-30 | 2023-06-30 | LED display screen operation monitoring and early warning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116504163B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116719271B (en) * | 2023-08-04 | 2023-10-13 | 深圳市华茂欧特科技有限公司 | Remote data monitoring system for PLC controller |
| CN116959348B (en) * | 2023-09-19 | 2023-12-12 | 山东泰克信息科技有限公司 | Network data processing analysis method, device and storage medium |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970010813U (en) * | 1995-08-23 | 1997-03-29 | 삼성전자주식회사 | Auto diagnosis system of PC video signal |
| JP2002006824A (en) * | 2000-06-23 | 2002-01-11 | Nec Mitsubishi Denki Visual Systems Kk | Display device |
| JP2005165387A (en) * | 2003-11-28 | 2005-06-23 | Seiko Epson Corp | Method and device for detecting stripe defective of picture and display device |
| JP2005233788A (en) * | 2004-02-19 | 2005-09-02 | Sony Corp | Inspection device and inspection method |
| CN102282532A (en) * | 2009-01-20 | 2011-12-14 | 夏普株式会社 | Area sensor and liquid crystal display device with area sensor |
| CN103327274A (en) * | 2012-03-21 | 2013-09-25 | 精工爱普生株式会社 | Image processing device, projector, and method of controlling projector |
| CN105939468A (en) * | 2015-03-03 | 2016-09-14 | 株式会社理光 | Image display control device and method, image display control system |
| CN106782422A (en) * | 2017-03-23 | 2017-05-31 | 南京巨鲨显示科技有限公司 | A kind of full frame digital brightness balanced device of liquid crystal display and its bearing calibration |
| CN106782235A (en) * | 2016-11-30 | 2017-05-31 | 广州日滨科技发展有限公司 | The abnormal detection method of display screen, device and display device |
| CN112394069A (en) * | 2020-12-04 | 2021-02-23 | 深圳市华星光电半导体显示技术有限公司 | Display panel abnormality detection method and device |
| CN113920909A (en) * | 2021-10-29 | 2022-01-11 | 俱朝 | System and method capable of quickly positioning fault of LED large-screen box body in real time |
| CN115035841A (en) * | 2022-05-18 | 2022-09-09 | 京东方科技集团股份有限公司 | Display module, display device and abnormality detection method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011002520A (en) * | 2009-06-16 | 2011-01-06 | Sony Corp | Self-luminous display device, power consumption reduction method, and program |
-
2023
- 2023-06-30 CN CN202310790579.5A patent/CN116504163B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970010813U (en) * | 1995-08-23 | 1997-03-29 | 삼성전자주식회사 | Auto diagnosis system of PC video signal |
| JP2002006824A (en) * | 2000-06-23 | 2002-01-11 | Nec Mitsubishi Denki Visual Systems Kk | Display device |
| JP2005165387A (en) * | 2003-11-28 | 2005-06-23 | Seiko Epson Corp | Method and device for detecting stripe defective of picture and display device |
| JP2005233788A (en) * | 2004-02-19 | 2005-09-02 | Sony Corp | Inspection device and inspection method |
| CN102282532A (en) * | 2009-01-20 | 2011-12-14 | 夏普株式会社 | Area sensor and liquid crystal display device with area sensor |
| CN103327274A (en) * | 2012-03-21 | 2013-09-25 | 精工爱普生株式会社 | Image processing device, projector, and method of controlling projector |
| CN105939468A (en) * | 2015-03-03 | 2016-09-14 | 株式会社理光 | Image display control device and method, image display control system |
| CN106782235A (en) * | 2016-11-30 | 2017-05-31 | 广州日滨科技发展有限公司 | The abnormal detection method of display screen, device and display device |
| CN106782422A (en) * | 2017-03-23 | 2017-05-31 | 南京巨鲨显示科技有限公司 | A kind of full frame digital brightness balanced device of liquid crystal display and its bearing calibration |
| CN112394069A (en) * | 2020-12-04 | 2021-02-23 | 深圳市华星光电半导体显示技术有限公司 | Display panel abnormality detection method and device |
| CN113920909A (en) * | 2021-10-29 | 2022-01-11 | 俱朝 | System and method capable of quickly positioning fault of LED large-screen box body in real time |
| CN115035841A (en) * | 2022-05-18 | 2022-09-09 | 京东方科技集团股份有限公司 | Display module, display device and abnormality detection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116504163A (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116504163B (en) | LED display screen operation monitoring and early warning system | |
| US9665932B2 (en) | Camera based cable inspection system | |
| CN112182068B (en) | Remote fault judging system and method based on Internet of things technology | |
| JP5087112B2 (en) | Self-monitoring camera device | |
| US8712149B2 (en) | Apparatus and method for foreground detection | |
| CN111144262A (en) | Process anomaly detection method based on monitoring video | |
| TW201713120A (en) | Method and device for monitoring video advertisement displaying | |
| CN108401152B (en) | Method for automatically detecting and calibrating film projection quality | |
| CN110443196A (en) | Fire-fighting road occupying detection method based on SSIM algorithm | |
| WO2006024698A1 (en) | A method for testing electronic devices | |
| CN107180425B (en) | Automatic identification method and device for track fastener | |
| CN116959348B (en) | Network data processing analysis method, device and storage medium | |
| US11947345B2 (en) | System and method for intelligently monitoring a production line | |
| CN108072664B (en) | Appearance detection system and method | |
| US11927944B2 (en) | Method and system for connected advanced flare analytics | |
| CN106782235A (en) | The abnormal detection method of display screen, device and display device | |
| CN113297913B (en) | Identification method for dressing specification of distribution network field operators | |
| CN109313442A (en) | Automatic vision and acoustic analysis for event detection | |
| CN113487166A (en) | Chemical fiber floating filament quality detection method and system based on convolutional neural network | |
| CN109413413B (en) | Video quality evaluation method and device | |
| CN112364884A (en) | Method for detecting moving object | |
| CN115953405A (en) | Bridge crack identification method and device for augmented reality equipment | |
| Ueda et al. | A Two-Stage Deep Learning-Based Approach for Automatic Reading of Analog Meters | |
| CN111355948B (en) | Method for performing an operation status check of a camera and camera system | |
| US20130308003A1 (en) | Flash characterization for camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |