CN109459873A - A kind of test method, device, Auto-Test System and storage medium - Google Patents
A kind of test method, device, Auto-Test System and storage medium Download PDFInfo
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- CN109459873A CN109459873A CN201811342617.6A CN201811342617A CN109459873A CN 109459873 A CN109459873 A CN 109459873A CN 201811342617 A CN201811342617 A CN 201811342617A CN 109459873 A CN109459873 A CN 109459873A
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/1309—Repairing; Testing
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Abstract
The present invention relates to a kind of test method, device, Auto-Test System and storage mediums, belong to technical field of liquid crystal display.Test method is applied to the industrial personal computer in Auto-Test System, Auto-Test System further includes the identification board being connect with industrial personal computer by PXIE serial line interface, identification board is used to for the vision signal that display control chip to be tested exports being converted into the identifiable image formatted data of industrial personal computer, and method includes: to receive the image formatted data of identification board transmission；Determine the similarity of image formatted data Yu goal-selling image data；Judge whether display control chip to be tested is qualified based on similarity result.This method is that the raw video signal based on display control chip to be tested output carries out, with the image being presented on liquid crystal display using camera shooting, again by the image of shooting compared with the scheme that desired image compares, test process is simplified, the accuracy and confidence level of test result are improved.
Description
Technical field
The invention belongs to technical field of liquid crystal display, and in particular to a kind of test method, device, Auto-Test System and deposit
Storage media.
Background technique
With the development of science and technology, the function of liquid crystal display systems is stronger and stronger, the function of display is more and more, shows function
It can be also at a very crucial test item.Currently, the test of liquid crystal display systems display function uses following two method.
The first, observes by the naked eye image that liquid crystal display is showed and whether desired image is consistent；Second
Kind, the image being presented on liquid crystal display is shot using camera, then the image of shooting is compared with desired image.First
Kind method, relies primarily on human eye and is judged, subjective, causes judging result uncertain, differs greatly, and hold very much
Easily there is visual fatigue.Second method, due to image shot by camera there are anamorphose, image is reflective the disadvantages of, additionally
Fixed camera, adjustment camera site, angle, effect etc. are needed, there is the defects of shooting difficulty is higher.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of test method, device, Auto-Test System and storage medium,
To effectively improve the above problem.
The embodiment of the present invention is achieved in that
In a first aspect, the embodiment of the invention provides a kind of test method, applied to the industrial personal computer in Auto-Test System,
The Auto-Test System further includes the identification board being connect with the industrial personal computer by PXIE serial line interface, the identification board
Vision signal for exporting display control chip to be tested is converted into the identifiable image formatted data of the industrial personal computer, institute
The method of stating includes: to receive the described image formatted data of the identification board transmission；It determines described image formatted data and presets
The similarity of destination image data；Judge whether the display control chip to be tested is qualified based on similarity result.The application
It is the original based on display control chip to be tested output when test display control chip to be tested is qualified or not in embodiment
What beginning vision signal carried out, i.e., the vision signal that display control chip to be tested exports being converted into the industrial personal computer first can know
Secondly other image formatted data determines the similarity of image formatted data and goal-selling image data, finally based on similar
Degree result judges whether display control chip to be tested is qualified, opposite with for the prior art, simplifies test process, improves
The accuracy and confidence level of test result.
A kind of possible embodiment with reference to first aspect, determines described image formatted data and goal-selling picture number
According to similarity, comprising: corresponding with goal-selling image data target picture is chosen from described image formatted data
Element collection data；Determine the similarity of object pixel collection data Yu the goal-selling image data.In the embodiment of the present application, first
By choosing object pixel collection data corresponding with goal-selling image data, then determining target picture from image formatted data
Element collection data and goal-selling image data similarity, be not by image formatted data all with goal-selling picture number
According to being compared, and then influence of the uncorrelated data to test result is eliminated, ensure that the accuracy of test result and credible
Degree.
A kind of possible embodiment with reference to first aspect, determines object pixel collection data and the goal-selling image
The similarity of data, comprising: will be in each pixel and the goal-selling image data in the object pixel collection data
Corresponding target pixel points compare one by one, obtain comparison result；The object pixel collection number is determined based on the comparison result
According to the similarity with the goal-selling image data.In the embodiment of the present application, by by each of object pixel collection data
Pixel compares one by one with corresponding target pixel points in goal-selling image data, then determines the two phase based on comparison result
It like degree, rather than randomly selects one part of pixel point and is compared, ensure that the accuracy of test result to the greatest extent, reduce
Influence of the accidental error to comparison result.
A kind of possible embodiment with reference to first aspect judges the display control to be tested based on similarity result
Whether chip is qualified, comprising: determines the display to be tested by judging whether the similarity result is more than or equal to threshold value
Whether qualified control chip, wherein the similarity result is more than or equal to threshold value and determines that the display control chip to be tested closes
Lattice.In the embodiment of the present application, determine that display control chip to be tested is qualified or not by judging whether similarity is greater than threshold value,
It is simple and fast, testing process is simplified to a certain extent.
Second aspect, the embodiment of the present application also provides a kind of Auto-Test Systems, comprising: identifies board and passes through
The industrial personal computer that PXIE serial line interface is connect with the identification board；The identification board is used for from display control chip to be tested
Place obtains vision signal, and the vision signal is converted into identifiable image formatted data；The industrial personal computer, for determining
The similarity of described image formatted data and goal-selling image data, and the display to be tested is judged based on similarity result
Whether qualified control chip.
In conjunction with a kind of possible embodiment of second aspect, the industrial personal computer is also used to from described image formatted data
It is middle to choose object pixel collection data corresponding with the goal-selling image data；Determine object pixel collection data with it is described pre-
If the similarity of destination image data.
In conjunction with a kind of possible embodiment of second aspect, the industrial personal computer is also used to the object pixel collection number
Each pixel in compares one by one with corresponding target pixel points in the goal-selling image data, obtains comparing knot
Fruit；The similarity of the object pixel collection data Yu the goal-selling image data is determined based on the comparison result.
In conjunction with a kind of possible embodiment of second aspect, the industrial personal computer is also used to by judging the similarity
As a result whether it is more than or equal to threshold value to determine whether the display control chip to be tested is qualified, wherein the similarity result
Determine that the display control chip to be tested is qualified more than or equal to threshold value.
The third aspect, the embodiment of the present application also provides a kind of test devices, applied to the industry control in Auto-Test System
Machine, the Auto-Test System further include the identification board being connect with the industrial personal computer by PXIE serial line interface, the identification
Board is used to the vision signal that display control chip to be tested exports being converted into the identifiable picture format number of the industrial personal computer
According to described device includes: receiving module, determining module and judgment module；The receiving module, for receiving the identification plate
Block the described image formatted data of transmission；The determining module, for determining described image formatted data and goal-selling image
The similarity of data；The judgment module, for judging whether the display control chip to be tested closes based on similarity result
Lattice.
In conjunction with a kind of possible embodiment of the third aspect, the determining module is also used to from described image format number
Object pixel collection data corresponding with the goal-selling image data are chosen according to middle；Determine object pixel collection data with it is described
The similarity of goal-selling image data.
In conjunction with a kind of possible embodiment of the third aspect, the determining module is also used to the object pixel collection
Each pixel in data compares one by one with corresponding target pixel points in the goal-selling image data, is compared
As a result；The similarity of the object pixel collection data Yu the goal-selling image data is determined based on the comparison result.
In conjunction with a kind of possible embodiment of the third aspect, the judgment module is also used to described similar by judging
Whether degree result is more than or equal to threshold value to determine whether the display control chip to be tested is qualified, wherein the similarity knot
Fruit is more than or equal to threshold value and determines that the display control chip to be tested is qualified.
Fourth aspect, the embodiment of the present application also provides a kind of storage mediums, are stored thereon with computer program, the meter
When calculation machine program is run by processor, above-mentioned first aspect embodiment and/or a kind of possible reality with reference to first aspect are executed
The method that the mode of applying provides.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that being understood by implementing the embodiment of the present invention.The objectives and other advantages of the invention can be by written
Specifically noted structure is achieved and obtained in specification, claims and attached drawing.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear.In whole
Identical appended drawing reference indicates identical part in attached drawing.Attached drawing, emphasis deliberately are not drawn by actual size equal proportion scaling
It is to show the gist of the present invention.
Fig. 1 shows a kind of structural schematic diagram of Auto-Test System provided in an embodiment of the present invention.
Fig. 2 shows a kind of structural schematic diagrams of industrial personal computer provided in an embodiment of the present invention.
Fig. 3 shows a kind of flow diagram of test method provided in an embodiment of the present invention.
Fig. 4 shows a kind of module diagram of test device provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " first ", " second ", " third " etc. are only used for distinguishing and retouch
It states, is not understood to indicate or imply relative importance.Furthermore term "and/or" in the application, only a kind of description is closed
Join the incidence relation of object, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A is deposited simultaneously
In A and B, these three situations of individualism B.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
First embodiment
With the development of science and technology, the function of liquid crystal display systems is stronger and stronger, the function of display is more and more, for example,
With the rapid development of electric car industry, automobile multimedia device-central display (abbreviation CDU, Central
Display Unit) also there is new development in electric automobiles, not only using Android operation system, integrated radio reception, navigation etc.
Component is more integrated with airconditioning control, bluetooth, WiFi, vehicle control, vehicle-mounted 4G module and realizes the function such as telecommunication, data upload
Energy.As function is more and more, screen is also increasing.Present inventor has found when studying the application: currently, liquid crystal
Show the test of system display function using following two method.The first, observes by the naked eye what liquid crystal display was showed
Whether image is consistent with desired image；Second, the image that is presented on liquid crystal display is shot using camera, then by shooting
Image is compared with desired image.Wherein, first method relies primarily on human eye and is judged, subjective, leads
It causes judging result uncertain, differs greatly, and it is easy to appear visual fatigues.Second method is come relative to first method
It says, although testing efficiency and accuracy improve much, but since there are anamorphose, image are reflective for image shot by camera
The disadvantages of, fixed camera, adjustment camera site, angle, effect etc. are additionally needed, there is the defects of shooting difficulty is higher.
For defect present in above scheme, be inventor being obtained after practicing and carefully studying as a result,
Therefore, the discovery procedure of the above problem and the solution that hereinafter embodiment of the present invention is proposed regarding to the issue above, all
It should be the contribution that inventor makes the present invention in process of the present invention.
In consideration of it, the embodiment of the present application provides a kind of Auto-Test System 100, as shown in Figure 1.The Auto-Test System
100 include: the industrial personal computer 120 for identifying board 110 and being connect by PXIE serial line interface with the identification board 110.
The identification board 110 obtains vision signal from display control chip to be tested, for example, from more matchmakers of electric car
Vision signal is obtained in body equipment at display control program.Wherein, which is responsible for the power supply of liquid crystal display
Management, image management, video output control etc., for example, display control program exports LVDS (Low Voltage
Differential Signaling) after vision signal, liquid crystal display obtains LVDS vision signal and is simultaneously shown to display screen,
Finally corresponding image is showed in display screen.Wherein, liquid crystal display is mainly responsible for driving liquid crystal display and shows human-computer interaction
Interface.As an alternative embodiment, identification board 110 can by way of harness of transferring from display control program from
Vision signal is obtained, LVDS vision signal is such as obtained.
Identify that after getting vision signal, after such as getting LVDS vision signal, which is converted for board 110
It is exported at the identifiable image formatted data of industrial personal computer 120.
As an alternative embodiment, above-mentioned identification board 110 can select the plate of model PXIE-1435
Card, in addition, it should be noted that, identification board 110 is at work, needing to be mounted on could work on corresponding mainboard, as
Memory bar, video card item are the same.As an alternative embodiment, the identification board 110 is when in use, model may be mounted at
In the cabinet of PXIE-1082, to there is the PXIE slot of the corresponding identification board 110 on the mainboard in the cabinet, in use, will
The identification board 110 is inserted on the corresponding PXIE slot of cabinet.
Wherein, above-mentioned vision signal is not limited to LVDS vision signal, can also be VGA vision signal, DVI video
The vision signals such as signal, HMDI vision signal, DP vision signal.Wherein, it should be noted that VGA vision signal refers to and passes through
The vision signal of USB interface output, DVI vision signal refer to that the vision signal exported by DVI interface, HMDI vision signal are
Refer to that the vision signal DP vision signal exported by HMDI interface refers to the vision signal exported by DP interface, LVDS video letter
Number refer to the vision signal exported by LVDS interface.
The industrial personal computer 120 is connect by PXIE serial line interface with identification board 110, which is receiving the identification
After the image formatted data that board 110 transmits, the similarity of the image formatted data Yu goal-selling image data, and base are determined
Judge whether the display control chip to be tested is qualified in similarity result.It is to be tested aobvious testing in the embodiment of the present application
It is that the raw video signal based on display control chip to be tested output carries out, i.e., first when showing that control chip is qualified or not
The vision signal that display control chip to be tested exports is converted into the identifiable image formatted data of the industrial personal computer 120,
The similarity of secondary determining image formatted data and goal-selling image data finally judges display to be tested based on similarity result
Whether qualified control chip, it is opposite with for the prior art, especially it is presented on liquid crystal display with using camera shooting
Image, then by the image of shooting compared with the scheme that desired image compares, the deformation of image is eliminated, there is no image is anti-
Light, fixed camera, adjustment camera position, angle, effect etc. simplify test process, improve test result accuracy and
Confidence level.
Wherein, goal-selling image data herein is the image data being previously stored in industrial personal computer 120, as mark
Quasi- data use.
Industrial personal computer 120 can be and first sentence when determining the similarity of the image formatted data and goal-selling image data
Whether disconnected image formatted data is consistent with the size of data of goal-selling image data, and such as the two size of data is consistent, such as
It, then can be directly by each pixel and goal-selling picture number in image formatted data comprising 1024*1024 pixel
Corresponding target pixel points compare one by one in, and obtaining comparison result, (which is to each picture in image formatted data
Vegetarian refreshments will be compared, and advantage is accuracy height, and the time that when defect spends can be relatively longer)；It is also possible to from image
Multiple pixels are randomly selected in formatted data (such as randomly selects 512*512 pixel from 1024*1024 pixel
Point), then selection is corresponding with the multiple pixels randomly selected out from image formatted data from goal-selling image data
Multiple pixels, then will be selected from the multiple pixels selected in image formatted data with from goal-selling image data
Multiple pixels compare one by one, obtaining comparison result, (which is that one part of pixel is randomly selected from image formatted data
Point is compared, and advantage is time-consuming few, the disadvantage is that accuracy is relatively low).Then the object pixel is being determined based on comparing result
Collect the similarity of data and the goal-selling image data.
If the size of data of image formatted data and goal-selling image data is inconsistent, for example, image formatted data ratio
Goal-selling image data is small, for example, image formatted data includes 512*512 pixel, and goal-selling image data packet
Containing 1024*1024 pixel, then it is based on image formatted data, is chosen and picture format number from goal-selling image data
According to corresponding object pixel collection data (namely from corresponding with image formatted data containing selection in 1024*1024 pixel
512*512 pixel), then again determine object pixel collection data and image formatted data similarity.Wherein, true
When the similarity of the set of pixels that sets the goal data and image formatted data, it can be each pixel in object pixel collection data
Target pixel points corresponding with image formatted data compare one by one, and obtaining comparison result, (which is to object pixel collection
Each pixel in data will be compared, and advantage is accuracy height, and the time that when defect spends can be relatively longer)；
It is also possible to randomly select multiple pixels from image formatted data (such as to randomly select from 512*512 pixel
368*368 pixel), then from object pixel collection data choose with randomly selected out from image formatted data it is multiple
The corresponding multiple pixels of pixel, then by the multiple pixels selected from image formatted data with from object pixel collection
The multiple pixels selected in data compare one by one, and obtaining comparison result, (which is selected at random from image formatted data
Take one part of pixel point to be compared, advantage be it is time-consuming few, the disadvantage is that accuracy is relatively low) then institute is being determined based on comparing result
State the similarity of object pixel collection data Yu the goal-selling image data.
If the size of data of image formatted data and goal-selling image data is inconsistent, for example, image formatted data institute
The pixel for including is fewer than the pixel that goal-selling image data is included, for example, image formatted data includes 512*512
A pixel, and goal-selling image data includes 1024*1024 pixel, then image formatted data is based on, from default mesh
Corresponding with image formatted data object pixel collection data are chosen in logo image data (namely from containing 1024*1024 pixel
512*512 pixel corresponding with image formatted data is chosen in point), object pixel collection data and figure are then determined again
As the similarity of formatted data.Wherein, when determining the similarity of object pixel collection data and image formatted data, can be by
Each pixel in object pixel collection data compares one by one with target pixel points corresponding in image formatted data, is compared
To result, (which will be compared to each pixel in object pixel collection data, and advantage is accuracy height, defect
When time for spending can be relatively longer)；Be also possible to randomly select from image formatted data multiple pixels (such as from
512*512 pixel randomly selects 368*368 pixel), then choose from object pixel collection data with from image pane
The multiple pixels randomly selected out in formula data corresponding multiple pixels, then will be selected from image formatted data
Multiple pixels compare one by one with the multiple pixels selected from object pixel collection data, obtain comparison result (which
To randomly select one part of pixel point from image formatted data to be compared, advantage be it is time-consuming few, the disadvantage is that accuracy is relatively low)
Then in the similarity for determining the object pixel collection data and described image formatted data based on comparing result.
If the size of data of image formatted data and goal-selling image data is inconsistent, for example, image formatted data institute
The pixel for including is more than the pixel that goal-selling image data is included, for example, image formatted data includes 1024*
1024 pixels, and goal-selling image data includes 512*512 pixel, then is based on goal-selling image data, from
Corresponding with goal-selling image data object pixel collection data are chosen in image formatted data (namely from containing 1024*1024
512*512 pixel corresponding with goal-selling image data is chosen in a pixel), object pixel is then determined again
Collect the similarity of data and goal-selling image data.Wherein, object pixel collection data and goal-selling image data are being determined
Similarity when, can be each pixel and the corresponding mesh in goal-selling image data in object pixel collection data
Mark pixel compares one by one, and obtaining comparison result, (which will be carried out to each pixel in object pixel collection data
Compare, advantage is accuracy height, and the time that when defect spends can be relatively longer)；It is also possible to from goal-selling image data
In randomly select multiple pixels (such as randomly selecting 368*368 pixel from 512*512 pixel), then from target
Multiple pixels corresponding with the multiple pixels randomly selected out from goal-selling image data are chosen in set of pixels data
Point, then by from the multiple pixels selected in goal-selling image data with selected from object pixel collection data it is multiple
Pixel compares one by one, and obtaining comparison result, (which is that one part of pixel point is randomly selected from goal-selling image data
Be compared, advantage be it is time-consuming few, the disadvantage is that accuracy is relatively low) then the object pixel collection number is being determined based on comparing result
According to the similarity with the goal-selling image data.
In order to facilitate understanding how based on comparison result determine both similarity, below citing be illustrated, such as from
The 368* of 368*368 pixel with selection corresponding from object pixel collection data is randomly selected in goal-selling image data
When 368 pixels are compared one by one, it is assumed that in 368*368 pixel, there are 124815 pixels consistent, it is remaining
Pixel is inconsistent, then similarity is (124815/135424) 100%=92.17%.Wherein, it should be noted that due to every
The pixel value of a pixel is between 0-255, therefore, each pixel when being compared with corresponding pixel, if
Even if consistent in allowable range of error, do not need it is completely the same, for example, a certain pixel in goal-selling image data
Pixel value is 126, and the pixel value for the pixel that is corresponding to it is 127, it is assumed that error permissible value is 2, due to above-mentioned two pixel
The error of point is 1, and in allowable range of error, therefore, comparison result is that the two pixels are consistent.
Based on similarity result it may determine that whether display control chip to be tested is qualified.Such as, by judging the phase
Whether being more than or equal to threshold value like degree result, whether display control chip to be tested is qualified to determine, wherein similarity result is big
Determine that display control chip to be tested is qualified in being equal to threshold value.Such as, threshold value 90, then similarity result is more than or equal to 90 and means that
Fixed display control chip to be tested is qualified, otherwise unqualified.Wherein, which is setting in advance, can be according to specifically used need
Different threshold values is set, for example, the threshold value can be with relatively small one when the requirement to display control chip to be tested is not very high
A bit, when the requirement to display control chip to be tested is very high, which can be relatively larger.
Wherein, above-mentioned similarity can also be replaced using score, such as determined described image formatted data and preset
The similarity of destination image data could alternatively be the consistency point for determining described image formatted data and goal-selling image data
Number.
As shown in Fig. 2, Fig. 2 shows a kind of structural block diagrams of industrial personal computer 120 provided in an embodiment of the present invention.The industry control
Machine 120 includes: test device 121, memory 122, storage control 123 and processor 124.
The memory 122, storage control 123, each element of processor 124 directly or indirectly electrically connect between each other
It connects, to realize the transmission or interaction of data.For example, these elements can pass through one or more communication bus or signal between each other
Line, which is realized, to be electrically connected.The test device 121 includes that at least one can be stored in the form of software or firmware (firmware)
In the memory 122 or the software that is solidificated in the operating system (operating system, OS) of the industrial personal computer 120
Functional module.The processor 124 is for executing the executable module stored in memory 122, such as the test device 121
Including software function module or computer program.
Wherein, memory 122 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-
Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory,
EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory,
EEPROM) etc..Wherein, memory 122 is for storing program, and the processor 124 is after receiving and executing instruction, described in execution
Program, method performed by the industrial personal computer 120 for the flow definition that aftermentioned any embodiment of the embodiment of the present invention discloses can be applied
It is realized in processor 124, or by processor 124.
Processor 124 may be a kind of IC chip, the processing capacity with signal.Above-mentioned processor can be
General processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network
Processor, NP) etc.；It can also be digital signal processor (DSP), specific integrated circuit (ASIC), field-programmable gate array
Arrange (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It may be implemented
Or disclosed each method, step and logic diagram in the execution embodiment of the present invention.General processor can be microprocessor
Or the processor is also possible to any conventional processor etc..
Second embodiment
Referring to Fig. 3, be a kind of test method applied to above-mentioned industrial personal computer 120 provided in an embodiment of the present invention, below
The step of will including to it in conjunction with Fig. 3, is illustrated.
Step S101: the described image formatted data of the identification board transmission is received.
The received image formatted data of industrial personal computer 120 is the view for identifying board 110 and exporting display control chip to be tested
Frequency signal is converted into the output of the industrial personal computer 120 identifiable image formatted data.
Step S102: the similarity of described image formatted data Yu goal-selling image data is determined.
Industrial personal computer 120 determines described image formatted data and goal-selling picture number after receiving image formatted data
According to similarity.
As an alternative embodiment, industrial personal computer 120 is chosen and the default mesh from described image formatted data
The corresponding object pixel collection data of logo image data, it is assumed that image formatted data includes 1024*1024 pixel, in advance
If destination image data includes 512*215 pixel, then the process be from containing being chosen in 1024*1024 pixel and
The corresponding 512*512 pixel of goal-selling image data.Then object pixel collection data and the goal-selling are determined
The similarity of image data.
Wherein, it when determining the similarity of object pixel collection data and goal-selling image data, can be target picture
Each pixel in element collection data compares one by one with corresponding target pixel points in goal-selling image data, is compared
As a result (which will be compared to each pixel in object pixel collection data, and advantage is accuracy height, when defect
The time of cost can be relatively longer)；Be also possible to randomly select from goal-selling image data multiple pixels (such as from
512*512 pixel randomly selects 368*368 pixel), then choose from object pixel collection data with from default mesh
The corresponding multiple pixels of the multiple pixels randomly selected out in logo image data, then will be from goal-selling image data
The multiple pixels selected compare one by one with the multiple pixels selected from object pixel collection data, obtain comparison result
(which is to randomly select one part of pixel point from goal-selling image data to be compared, and advantage is time-consuming few, the disadvantage is that
Accuracy is relatively low) then in the phase for determining the object pixel collection data with the goal-selling image data based on comparing result
Like degree.
Step S103: judge whether the display control chip to be tested is qualified based on similarity result.
For example, by judge the similarity result whether be more than or equal to threshold value to determine display control chip to be tested
It is whether qualified, wherein similarity result is more than or equal to threshold value and determines that display control chip to be tested is qualified.Such as, threshold value 90, then
Similarity result is more than or equal to 90 and means that display control chip surely to be tested is qualified, otherwise unqualified.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
3rd embodiment
The embodiment of the present application also provides a kind of test devices 121 applied in above-mentioned industrial personal computer 120, as shown in Figure 4.
The test device 121 includes: receiving module 1211, determining module 1212 and judgment module 1213.
Receiving module 1211, for receiving the described image formatted data of the identification board transmission.
Determining module 1212, for determining the similarity of described image formatted data Yu goal-selling image data.It is optional
Ground, the determining module 1212 are also used to choose from described image formatted data opposite with the goal-selling image data
The object pixel collection data answered；Determine the similarity of object pixel collection data Yu the goal-selling image data.Optionally, institute
State determining module 1212, be also used to by the object pixel collection data each pixel and the goal-selling image data
In corresponding target pixel points compare one by one, obtain comparison result；The object pixel collection is determined based on the comparison result
The similarity of data and the goal-selling image data.
Judgment module 1213, for judging whether the display control chip to be tested is qualified based on similarity result.It can
Selection of land, the judgment module 1213 are also used to by judging it is described to determine whether the similarity result is more than or equal to threshold value
Whether display control chip to be tested is qualified, wherein the similarity result is more than or equal to threshold value and determines the display to be tested
It is qualified to control chip.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
The technical effect and preceding method of test device 121 provided by the embodiment of the present invention, realization principle and generation
Embodiment is identical, and to briefly describe, Installation practice part does not refer to place, can refer in corresponding in preceding method embodiment
Hold.
Fourth embodiment
The embodiment of the present application also provides a kind of storage mediums, are stored thereon with computer program, the computer program
When being run by processor, method shown in above-mentioned second embodiment is executed.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, laptop, server or network equipment etc.) execute the whole of each embodiment the method for the present invention
Or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.It should be noted that, in this document, relational terms such as first and second and the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of test method, which is characterized in that applied to the industrial personal computer in Auto-Test System, the Auto-Test System is also
Including the identification board being connect with the industrial personal computer by PXIE serial line interface, the identification board is used to control display to be tested
The vision signal of coremaking piece output is converted into the identifiable image formatted data of the industrial personal computer, which comprises
Receive the described image formatted data of the identification board transmission；
Determine the similarity of described image formatted data Yu goal-selling image data；
Judge whether the display control chip to be tested is qualified based on similarity result.
2. the method according to claim 1, wherein determining described image formatted data and goal-selling picture number
According to similarity, comprising:
Object pixel collection data corresponding with the goal-selling image data are chosen from described image formatted data；
Determine the similarity of object pixel collection data Yu the goal-selling image data.
3. according to the method described in claim 2, it is characterized in that, determining object pixel collection data and the goal-selling image
The similarity of data, comprising:
By each pixel and the corresponding target picture in the goal-selling image data in the object pixel collection data
Vegetarian refreshments compares one by one, obtains comparison result；
The similarity of the object pixel collection data Yu the goal-selling image data is determined based on the comparison result.
4. the method according to claim 1, wherein judging the display control to be tested based on similarity result
Whether chip is qualified, comprising:
Determine whether the display control chip to be tested closes by judging whether the similarity result is more than or equal to threshold value
Lattice, wherein the similarity result is more than or equal to threshold value and determines that the display control chip to be tested is qualified.
5. a kind of Auto-Test System characterized by comprising
Identify board, the identification board, for obtaining vision signal from display control chip to be tested, and by the video
Signal is converted into identifiable image formatted data；
And the industrial personal computer being connect by PXIE serial line interface with the identification board, the industrial personal computer, for determining the figure
The display control core to be tested is judged as the similarity of formatted data and goal-selling image data, and based on similarity result
Whether piece is qualified.
6. Auto-Test System according to claim 5, which is characterized in that the industrial personal computer is also used to from described image
Object pixel collection data corresponding with the goal-selling image data are chosen in formatted data；Determine object pixel collection data
With the similarity of the goal-selling image data.
7. Auto-Test System according to claim 6, which is characterized in that the industrial personal computer is also used to the target
Each pixel in set of pixels data compares one by one with corresponding target pixel points in the goal-selling image data, obtains
To comparison result；Determine that the object pixel collection data are similar to the goal-selling image data based on the comparison result
Degree.
8. Auto-Test System according to claim 5, which is characterized in that the industrial personal computer is also used to by judging
State whether similarity result is more than or equal to threshold value to determine whether the display control chip to be tested is qualified, wherein the phase
It is more than or equal to threshold value like degree result and determines that the display control chip to be tested is qualified.
9. a kind of test device, which is characterized in that applied to the industrial personal computer in Auto-Test System, the Auto-Test System is also
Including the identification board being connect with the industrial personal computer by PXIE serial line interface, the identification board is used to control display to be tested
The vision signal of coremaking piece output is converted into the identifiable image formatted data of the industrial personal computer, and described device includes:
Receiving module, for receiving the described image formatted data of the identification board transmission；
Determining module, for determining the similarity of described image formatted data Yu goal-selling image data；
Judgment module, for judging whether the display control chip to be tested is qualified based on similarity result.
10. a kind of storage medium, which is characterized in that be stored thereon with computer program, the computer program is transported by processor
When row, such as method of any of claims 1-4 is executed.
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Application publication date: 20190312 |