CN107493461B - A kind of control method of extended pattern digital video switching box - Google Patents
A kind of control method of extended pattern digital video switching box Download PDFInfo
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- CN107493461B CN107493461B CN201710884538.7A CN201710884538A CN107493461B CN 107493461 B CN107493461 B CN 107493461B CN 201710884538 A CN201710884538 A CN 201710884538A CN 107493461 B CN107493461 B CN 107493461B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000013481 data capture Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 14
- 101150012579 ADSL gene Proteins 0.000 description 4
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 4
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000173529 Aconitum napellus Species 0.000 description 1
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical compound C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The present invention relates to a kind of control methods of extended pattern digital video switching box, and the method includes using extended pattern digital video switching box while recognizing flame, to close digital video conversion equipment, the extended pattern digital video switching box includes：Digital video conversion equipment, it is connect by wire cable with display equipment, including the metal monitoring body of rod, LED display device, key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder, the metal monitoring body of rod, LED display device and key switch are all disposed within the front end of the rectangle installation part of installation digital video conversion equipment, and key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder are all disposed within the inside of the rectangle installation part of installation digital video conversion equipment；Wherein, the digital video conversion equipment further includes rf attenuation module and down conversion module, and rf attenuation module and down conversion module are all disposed within the inside of the rectangle installation part of installation digital video conversion equipment.
Description
Technical field
The present invention relates to image processing field more particularly to a kind of control methods of extended pattern digital video switching box.
Background technology
The basic function of digital video switching box is to receive DTV, in addition to this, also following functions：
(1) electronic program guides (EPG) provides the user with one and is easy use, friendly interface, can quickly access and want to see
A kind of mode of program；
(2) it is various to provide the user with quotations on the stock market, ticket information, electronic newspaper, Top Site etc. for high-speed datacasting
Message；
(3) on-line software updating, on-line software updating can regard one of application of data broadcasting as.Broadcast data server
Get off soft cast is upgraded by DVB data broadcast standards, digital video switching box can identify the version number of the software, in version
The software is asynchronously received, and the software of preservation in memory is updated；
(4) internet access and Email, digital video switching box can be convenient by built-in cable modem
Realize internet access function in ground.User can be surfed the Internet by the browser built in digital video switching box, send Email,
Digital video switching box can also provide various interfaces and be connected with PC simultaneously, be connect with internet with PC；
(5) core of Conditional Access, Conditional Access is the scrambling of digital video switching box and encryption, digital video transformation
Box should have the function of to descramble and decrypt.
In addition, according to user's customized demand, the function of some digital video switching box can also include：(1) broadcast is received
The simulated television and digital television program of mode, (2) high speed access Internet receive and dispatch e-mail, (3) video on demand (VOD)
With Music on Demand function, (4) phone, videophone, video conferencing, (5) connect the function of the consumption electronic products such as VCR, VCD,
(6) electronic business transaction, (7) electronic game etc..
For the digital video switching box that environment indoors uses, people need to carry out using its characteristic distributions related
The region detection of target, especially for the digital video switching box in residential building.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of control methods of extended pattern digital video switching box, existing
Some digital video switching box are integrated with indoor fire behavior detection function, to meet the greater demand of user.
According to an aspect of the present invention, a kind of control method of extended pattern digital video switching box, the method are provided
Including using extended pattern digital video switching box while recognizing flame, to close digital video conversion equipment, the expansion
Exhibition type digital video switching box includes：
Digital video conversion equipment is connect with display equipment by wire cable, including the metal monitoring body of rod, LED are shown
Equipment, key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder, metal monitor the body of rod, LED display device
It is all disposed within the front end of the rectangle installation part of installation digital video conversion equipment with key switch, it is key switch, tuner, orthogonal
Amplitude Demodulators, demultiplexer and decoder are all disposed within the inside of the rectangle installation part of installation digital video conversion equipment；
Wherein, the digital video conversion equipment further includes rf attenuation module and down conversion module, rf attenuation module
The inside of the rectangle installation part of installation digital video conversion equipment is all disposed with down conversion module.
Camera set is arranged in a manner of being spacedly distributed on the metal monitoring body of rod, including main camera and more
It is a from camera, the field range of main camera is multiple 2 times from camera view range, each camera has work
Operation mode and battery saving mode both of which, under default conditions, main camera is in operating mode and is work camera, Ge Gecong
Camera is in battery saving mode, and in operating mode, each camera carries out data capture to obtain to the scene in its visual field
Successive image frame is obtained and exports, in battery saving mode, each camera stops catching the scene progress data in its visual field
It obtains；When wherein main camera detection its obtain picture frame include moving object when, based on the tandem of time shaft to it
The picture frame of capture carries out the analysis of the direction of motion of moving object, to determine the current kinetic direction of moving object.
The present invention at least has important inventive point at following two：
(1) by the determination of the direction of motion and real time position to moving object in the visual field, realize multiple cameras to fortune
Animal body is continuously tracked, and keeps moving object that can not flee from camera view range, improves the figure acquired to moving object
The validity of picture；
(2) judged by traversal to all pixels in image after binaryzation and curve matching, to the profile in image
Point has carried out multiple confirmation, to improve the accuracy of flame object extraction.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is the structural schematic diagram according to the extended pattern digital video switching box shown in embodiment of the present invention.
Fig. 2 is to be shown according to the structure of the camera set of the extended pattern digital video switching box shown in embodiment of the present invention
It is intended to.
Specific implementation mode
The embodiment of the extended pattern digital video switching box of the present invention is described in detail below with reference to accompanying drawings.
In order to overcome above-mentioned deficiency, the present invention has built a kind of control method of extended pattern digital video switching box, described
Method includes using extended pattern digital video switching box with while recognizing flame, closes digital video conversion equipment, from
And enrich the function of existing digital video switching box.
Fig. 1 is the structural schematic diagram according to the extended pattern digital video switching box shown in embodiment of the present invention, the change
Changing box includes：
Digital video conversion equipment is connect with display equipment by wire cable, including the metal monitoring body of rod, LED are shown
Equipment, key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder, metal monitor the body of rod, LED display device
It is all disposed within the front end of the rectangle installation part of installation digital video conversion equipment with key switch, it is key switch, tuner, orthogonal
Amplitude Demodulators, demultiplexer and decoder are all disposed within the inside of the rectangle installation part of installation digital video conversion equipment；
Wherein, the digital video conversion equipment further includes rf attenuation module and down conversion module, rf attenuation module
The inside of the rectangle installation part of installation digital video conversion equipment is all disposed with down conversion module.
Then, continue that the concrete structure of the extended pattern digital video switching box of the present invention is further detailed.
Can also include in the extended pattern digital video switching box：
As shown in Fig. 2, camera set, is arranged on the metal monitoring body of rod, including a master in a manner of being spacedly distributed
Camera and multiple from camera, the field range of main camera are multiple 2 times from camera view range, each camera shooting
Head all has operating mode and battery saving mode both of which, and under default conditions, main camera is in operating mode and is taken the photograph for work
Each to be in battery saving mode from camera as head, in operating mode, each camera is to the scene in its visual field into line number
According to capture to obtain and export successive image frame, in battery saving mode, each camera stops to the scene in its visual field
Carry out data capture；When wherein main camera detection its obtain picture frame include moving object when, before time shaft
The picture frame that sequence captures it afterwards carries out the analysis of the direction of motion of moving object, to determine the current kinetic side of moving object
To.
Can also include in the extended pattern digital video switching box：
The camera set further includes mode selection device, is connect with main camera, in one demifacet of moving object
Product is when deflecting away from main camera view and receiving current kinetic direction, based on each from the opposite position of camera and main camera
Set select it is adjacent from camera using as next work camera on the current kinetic direction of main camera, by selection
It is switched to operating mode from camera from battery saving mode.
Can also include in the extended pattern digital video switching box：
Depth of field detection device is arranged in metal monitoring bar body, is connect with each camera, for being obtained to each camera
The depth of field of moving object in the picture frame obtained is detected respectively to obtain multiple depth of field.
Can also include in the extended pattern digital video switching box：
Image selection device is arranged in metal monitoring bar body, is connect with depth of field detection device, for receiving multiple scapes
It is deep, and exported with the picture frame corresponding to the most matched depth of field of default field depth as pending image；
Binary conversion treatment equipment executes binary conversion treatment to obtain simultaneously for receiving pending image to pending image
Export corresponding binary image；
Pixel traverses equipment, is connect with binary conversion treatment equipment, for receiving binary image, from a left side for binary image
Upper angle begins stepping through each pixel of image, for each pixel, if around it more than the pixel of 6 points all be black appliances
Flat pixel or around it more than the pixel of 6 points all be white level pixel, then using the pixel as interior pixels, otherwise, the picture
Element is used as preliminary contour pixel；
Profile point confirms equipment, connect, is used for all preliminary wire-frame images in binary image with pixel traversal equipment
Element is connected and is fitted to obtain multiple fitting closed curves, and the preliminary contour pixel being fitted except closed curve is repaiied
Interior pixels are changed to, using the preliminary contour pixel that do not changed as final profile pixel；
Embedded processing equipment, with profile point confirm equipment connect, for by all final profile pixels connect with
Multiple closed areas are obtained, using shape closest to the closed area of preset flame shape as flame subgraph, and in sungpan monkshood root
When the area percentage that image occupies binary image is more than or equal to preset ratio threshold value, flame alarm signal is sent out, is closed simultaneously
Close digital video conversion equipment；
Wherein, mode selection device in the slave camera that will be selected after battery saving mode is switched to operating mode, with choosing
The slave camera selected continues to detect the direction of motion of the moving object in the picture frame that it is obtained as next work camera
For the selection of next one work camera.
In the extended pattern digital video switching box：All inoperative cameras in camera set all remain province
Power mode.
In the extended pattern digital video switching box：Black level pixel is the pixel that pixel value is 0, and white level pixel is
The pixel that pixel value is 255.
In addition, the extended pattern digital video switching box can be with integrated wireless routing function.Wireless router
(Wireless Router) cans be compared to the extended pattern product for being combined into one pure wireless aps and broadband router, he not only has
Standby pure wireless aps institute is functional such as to be supported dhcp client, supports VPN, fire wall, supports WEP encryptions, but also
Include network address translation (NAT) function, the network connection of LAN subscriber can be supported shared.Family wireless network can be achieved
In Internet connections it is shared, realize the wireless sharing access of ADSL, Cable modem and partial wideband.Wireless router
ADSL MODEM or the CABLE MODEM that can be connect with all Ethernets are connected directly, can also when in use by interchanger/
The locals net mode such as hub, broadband router accesses again.It is built-in with simple virtual dial-up software, can store user name
It surfs the Internet with cipher dialing, can be implemented as ADSL, CM of dial-up access Internet etc. and automatic dialing is provided, without hand
One computer of dynamic dialing or occupancy does server use.Prevent in addition, wireless router is generally also equipped with relatively more perfect safety
Protective function.
3G routers are mainly embedded in wireless 3G module users first in former router and are inserted using a rate card (usim card)
3G routers carry out dial-up networking by operator 3G network WCDMA, TD-SCDMA etc., so that it may to realize data transmission, online
Equal routers have WIFI function to realize shared verification, have wireless network card as long as mobile phone, computer, psp or with wifi functions as long as energy
Internet is accessed by 3G wireless routers, great convenience is provided to realize that WLAN shares 3G wireless networks.Portion
Man of subsidiary factory also carries wired broadband interface, and internet also can be normally accessed without 3G.By 3G wireless routers, may be implemented
Broadband connection meets or exceeds the network bandwidth of current ADSL, becomes very extensive in the applications such as internet.
Extended pattern digital video switching box using the present invention has a single function for digital video switching box in the prior art
The technical issues of, in high precision image acquisition and on the basis of image procossing, all final profiles for will being obtained after image procossing
Pixel is connected to obtain multiple closed areas, using shape closest to the closed area of preset flame shape as flame subgraph
Picture, and when flame subgraph occupies the area percentage of binary image more than or equal to preset ratio threshold value, send out flame report
Alert signal, simultaneously closes off digital video conversion equipment.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention is right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (1)
1. a kind of control method of extended pattern digital video switching box, the method includes using extended pattern digital video switching box
While recognizing flame, to close digital video conversion equipment, the extended pattern digital video switching box includes：
Digital video conversion equipment, with display equipment connect by wire cable, including metal monitoring the body of rod, LED display device,
Key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder, metal monitor the body of rod, LED display device and press
Key switch is all disposed within the front end of the rectangle installation part of installation digital video conversion equipment, key switch, tuner, quadrature amplitude
Demodulator, demultiplexer and decoder are all disposed within the inside of the rectangle installation part of installation digital video conversion equipment；
Wherein, the digital video conversion equipment further includes rf attenuation module and down conversion module, and rf attenuation module is under
Frequency-variable module is all disposed within the inside of the rectangle installation part of installation digital video conversion equipment；
Camera set, be arranged in a manner of being spacedly distributed metal monitoring the body of rod on, including a main camera and it is multiple from
Camera, the field range of main camera are multiple 2 times from camera view range, each camera has Working mould
Formula and battery saving mode both of which, under default conditions, main camera is in operating mode and is work camera, each from camera shooting
Head is in battery saving mode, and in operating mode, each camera carries out data capture to obtain simultaneously to the scene in its visual field
Successive image frame is exported, in battery saving mode, each camera stops carrying out data capture to the scene in its visual field；When
When its picture frame obtained of wherein main camera detection includes moving object, what the tandem based on time shaft captured it
Picture frame carries out the analysis of the direction of motion of moving object, to determine the current kinetic direction of moving object；
The camera set further includes mode selection device, is connect with main camera, for inclined in one semi-area of moving object
When going out main camera view and receiving current kinetic direction, selected from the relative position of camera and main camera based on each
Select it is adjacent from camera using as next work camera on the current kinetic direction of main camera, by selection from taking the photograph
As head is switched to operating mode from battery saving mode；
Depth of field detection device is arranged in metal monitoring bar body, is connect with each camera, for what is obtained to each camera
The depth of field of moving object in picture frame is detected respectively to obtain multiple depth of field；
It is characterized in that, the switching box further includes：
Image selection device is arranged in metal monitoring bar body, is connect with depth of field detection device, for receiving multiple depth of field, and
It is exported with the picture frame corresponding to the most matched depth of field of default field depth as pending image；
Binary conversion treatment equipment executes binary conversion treatment to obtain and export for receiving pending image to pending image
Corresponding binary image；
Pixel traverses equipment, is connect with binary conversion treatment equipment, for receiving binary image, from the upper left corner of binary image
Each pixel for beginning stepping through image, for each pixel, if around it more than the pixel of 6 points all be black level picture
Element or around it be more than the pixel of 6 points all be white level pixel, then using the pixel as interior pixels, otherwise, the pixel work
For preliminary contour pixel；
Profile point confirms equipment, is connect with pixel traversal equipment, for connecting all preliminary contour pixels in binary image
It picks up and comes and be fitted to obtain multiple fitting closed curves, the preliminary contour pixel being fitted except closed curve is revised as
Interior pixels, using the preliminary contour pixel that do not changed as final profile pixel；
Embedded processing equipment confirms that equipment is connect with profile point, for connecting all final profile pixels to obtain
Multiple closed areas, using shape closest to the closed area of preset flame shape as flame subgraph, and in flame subgraph
When occupying the area percentage of binary image more than or equal to preset ratio threshold value, flame alarm signal is sent out, number is simultaneously closed off
Word video transformation equipment；
Wherein, mode selection device in the slave camera that will be selected after battery saving mode is switched to operating mode, with selection
From camera as next work camera continue to detect the direction of motion of the moving object in the picture frame that it is obtained with
In the selection of next one work camera.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884538.7A CN107493461B (en) | 2017-09-26 | 2017-09-26 | A kind of control method of extended pattern digital video switching box |
| CN201711394787.4A CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710884538.7A CN107493461B (en) | 2017-09-26 | 2017-09-26 | A kind of control method of extended pattern digital video switching box |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711394787.4A Division CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
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| Publication Number | Publication Date |
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| CN107493461A CN107493461A (en) | 2017-12-19 |
| CN107493461B true CN107493461B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711394787.4A Active CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
| CN201710884538.7A Expired - Fee Related CN107493461B (en) | 2017-09-26 | 2017-09-26 | A kind of control method of extended pattern digital video switching box |
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| CN201711394787.4A Active CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337485A (en) * | 2018-03-27 | 2018-07-27 | 中冶华天工程技术有限公司 | Caller management method based on video motion track |
| CN110529762A (en) * | 2018-10-29 | 2019-12-03 | 永康市道可道科技有限公司 | Desk lamp light-emitting mode control system |
| CN111163246A (en) * | 2018-11-08 | 2020-05-15 | 佳维技术有限公司 | High-altitude falling object monitoring system |
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| CN101454811A (en) * | 2006-06-06 | 2009-06-10 | 三星电子株式会社 | Home security applications for television with digital video cameras |
| CN102984564A (en) * | 2011-05-03 | 2013-03-20 | Lg电子株式会社 | Remote controller and image display apparatus controllable by remote controller |
| CN102663869A (en) * | 2012-04-23 | 2012-09-12 | 国家消防工程技术研究中心 | Indoor fire detection method based on video monitoring platform |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108063963A (en) | 2018-05-22 |
| CN107493461A (en) | 2017-12-19 |
| CN108063963B (en) | 2019-12-06 |
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