CN107493461A - 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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- CN107493461A CN107493461A CN201710884538.7A CN201710884538A CN107493461A CN 107493461 A CN107493461 A CN 107493461A CN 201710884538 A CN201710884538 A CN 201710884538A CN 107493461 A CN107493461 A CN 107493461A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000013481 data capture Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims 1
- 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
- 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
- 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
- 230000009993 protective function Effects 0.000 description 1
- 238000012546 transfer Methods 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
Landscapes
- 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 method of extended pattern digital video switching box, including the use of extended pattern digital video switching box while flame is recognized, to close digital video conversion equipment, the extended pattern digital video switching box includes methods described：Digital video conversion equipment, it is connected with display device by wire cable, 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 installed 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 installed part of installation digital video conversion equipment；Wherein, the digital video conversion equipment also 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 installed 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 method of extended pattern digital video switching box.
Background technology
The basic function of digital video switching box is to receive DTV, in addition, also following functions：
(1) electronic program guides (EPG), an easy use, friendly interface is provided the user with, can quickly access and want to see
A kind of mode of program；
(2) high-speed datacasting, it is various that quotations on the stock market, ticket information, electronic newspaper, Top Site etc. can be provided the user with
Message；
(3) on-line software updating, on-line software updating can regard one of application of data broadcasting as.Broadcast data server
Get off by DVB data broadcast standards by soft cast is upgraded, digital video switching box can identify the version number of the software, in version
The software is asynchronously received, and the software to preserving 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 Net 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, with PC and Internet connection；
(5) Conditional Access, the core of Conditional Access is the scrambling of digital video switching box and encryption, and digital video converts
Box, which should have, descrambles and decrypts function.
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 request program (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 correlation using its characteristic distributions
The region detection of target, especially for the digital video switching box in residential building.
The content of the invention
In order to solve the above problems, the invention provides a kind of control method of extended pattern digital video switching box, existing
Some digital video switching box are integrated with indoor condition of a fire detection function, so as to meet the greater demand of user.
According to an aspect of the present invention, there is provided a kind of control method of extended pattern digital video switching box, methods described
Including the use of extended pattern digital video switching box with while flame is recognized, digital video conversion equipment, the expansion are closed
Exhibition type digital video switching box includes：
Digital video conversion equipment, it is connected with display device by wire cable, including the metal monitoring body of rod, LED are shown
Equipment, key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder, the metal monitoring body of rod, LED display device
It is all disposed within the front end of the rectangle installed 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 installed part of installation digital video conversion equipment；
Wherein, the digital video conversion equipment also includes rf attenuation module and down conversion module, rf attenuation module
The inside of the rectangle installed part of installation digital video conversion equipment is all disposed within down conversion module.
Camera set, it is arranged in a manner of being spacedly distributed on the metal monitoring body of rod, including main camera and more
It is individual from camera, the field range of main camera is multiple 2 times from camera view scope, and each camera has work
Operation mode and battery saving mode both of which, under default conditions, main camera is in mode of operation and is work camera, Ge Gecong
Camera is in battery saving mode, and in mode of operation, each camera carries out data capture to obtain to the scene in its visual field
Obtain and export successive image frame, in battery saving mode, each camera stops catching the scene progress data in its visual field
Obtain；When the picture frame that wherein main camera detects its acquisition includes moving object, 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 direction of motion to moving object in the visual field and the determination of real time position, realize multiple cameras to fortune
The continuous tracking of animal body, keep moving object can not flee from camera view scope, improve the figure to moving object collection
The validity of picture；
(2) judged by the traversal to all pixels in image after binaryzation, and curve matching, to the profile in image
Point has carried out multiple confirmation, so as to improve the accuracy of flame object extraction.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein：
Fig. 1 is the structural representation of the extended pattern digital video switching box according to embodiment of the present invention.
Fig. 2 is that the structure of the camera set of the extended pattern digital video switching box according to embodiment of the present invention is shown
It is intended to.
Embodiment
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 with while flame is recognized, closes digital video conversion equipment including the use of extended pattern digital video switching box, from
And enrich the function of existing digital video switching box.
Fig. 1 is the structural representation of extended pattern digital video switching box according to embodiment of the present invention, the change
Changing box includes：
Digital video conversion equipment, it is connected with display device by wire cable, including the metal monitoring body of rod, LED are shown
Equipment, key switch, tuner, Quadrature Amplitude Demodulators, demultiplexer and decoder, the metal monitoring body of rod, LED display device
It is all disposed within the front end of the rectangle installed 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 installed part of installation digital video conversion equipment；
Wherein, the digital video conversion equipment also includes rf attenuation module and down conversion module, rf attenuation module
The inside of the rectangle installed part of installation digital video conversion equipment is all disposed within down conversion module.
Then, continue that the concrete structure of the extended pattern digital video switching box of the present invention is further detailed.
It can also include in the extended pattern digital video switching box：
As shown in Fig. 2 camera set, is arranged in a manner of being spacedly distributed on the metal monitoring body of rod, including a master
Camera and multiple from camera, the field range of main camera are multiple 2 times from camera view scope, each shooting
Head all has mode of operation and a battery saving mode both of which, and under default conditions, main camera is in mode of operation and taken the photograph for work
As head, each to be in battery saving mode from camera, in mode of operation, each camera enters line number to the scene in its visual field
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 the picture frame that wherein main camera detects its acquisition includes moving object, before time shaft
The picture frame that order captures to it afterwards carries out the analysis of the direction of motion of moving object, to determine the current kinetic side of moving object
To.
It can also include in the extended pattern digital video switching box：
The camera set also includes mode selection device, is connected with main camera, in the demifacet of moving object one
Product is when deflecting away from main camera view and receiving current kinetic direction, based on each from the relative position of camera and main camera
It is adjacent from camera using as next work camera on the current kinetic direction of main camera to put selection, by selection
Mode of operation is switched to from camera from battery saving mode.
It can also include in the extended pattern digital video switching box：
Depth of field detection device, it is arranged in metal monitoring bar body, is connected with each camera, for is obtained to each camera
The depth of field of moving object in the picture frame obtained is detected to obtain multiple depth of field respectively.
It can also include in the extended pattern digital video switching box：
Image selection device, it is arranged in metal monitoring bar body, is connected with depth of field detection device, for receiving multiple scapes
It is deep, and the picture frame corresponding to the depth of field that will most be matched with default field depth exports as pending image；
Binary conversion treatment equipment, for receiving pending image, binary conversion treatment is performed to pending image to obtain simultaneously
Export corresponding binary image；
Pixel travels through equipment, is connected 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 the pixel around it more than 6 points is all black appliances
Flat pixel or pixel around it more than 6 points are all white level pixel, then using the pixel as interior pixels, otherwise, the picture
Element is used as preliminary contour pixel；
Profile point confirms equipment, is connected with pixel traversal equipment, for by all preliminary wire-frame images in binary image
Element is connected and is fitted to obtain multiple fitting closed curves, and the preliminary contour pixel being fitted outside closed curve is repaiied
Interior pixels are changed to, using the preliminary contour pixel do not changed as final profile pixel；
Embedded processing equipment, with profile point confirm equipment be connected, for by all final profile pixels connect with
Obtain multiple closed areas, using shape closest to the closed area of preset flame profile 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, is closed simultaneously
Close digital video conversion equipment；
Wherein, mode selection device by selection from camera after battery saving mode is switched to mode of operation, with choosing
Continuing from camera as next work camera of selecting detects the direction of motion of the moving object in the picture frame that it is obtained
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
Pixel value is 255 pixel.
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, and 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 to share.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 joined directly together, can also when in use by interchanger/
The local net mode such as hub, broadband router accesses again.It is built-in with simple virtual dial-up software, can store user name
Surfed the Net with cipher dialing, it is possible to achieve automatic dialing is provided for dial-up access Internet ADSL, CM etc., without hand
One computer of dynamic dialing or occupancy does server use.Prevent in addition, wireless router is typically also equipped with relatively more perfect safety
Protective function.
3G routers are mainly embedded in wireless 3G module users first in former router and inserted using a rate card (usim card)
3G routers, dial-up networking is carried out by operator 3G network WCDMA, TD-SCDMA etc., it is possible to realize data transfer, surf the Net
There is WIFI function to realize shared verification Deng routers, as long as mobile phone, computer, psp have wireless network card or with wifi functions with regard to 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.Pass through 3G wireless routers, it is possible to achieve
Broadband connection, current ADSL network bandwidth is met or exceeded, become very extensive in the application such as internet.
Using the extended pattern digital video switching box of the present invention, it is single to convert kit function for digital video in the prior art
Technical problem, on the basis of high precision image collection and 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 profile as flame subgraph
Picture, and when the area percentage that flame subgraph occupies binary image is more than or equal to preset ratio threshold value, send flame report
Alert signal, simultaneously closes off digital video conversion equipment.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all 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 change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (7)
1. a kind of control method of extended pattern digital video switching box, methods described is including the use of extended pattern digital video switching box
While flame is recognized, to close digital video conversion equipment, the extended pattern digital video switching box includes：
Digital video conversion equipment, be connected with display device 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 pressed
Key switch is all disposed within the front end of the rectangle installed 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 installed part of installation digital video conversion equipment；
Wherein, the digital video conversion equipment also includes rf attenuation module and down conversion module, and rf attenuation module is with
Frequency-variable module is all disposed within the inside of the rectangle installed part of installation digital video conversion equipment.
2. the method as described in claim 1, it is characterised in that the switching box also includes：
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 scope, and each camera has Working mould
Formula and battery saving mode both of which, under default conditions, main camera is in mode of operation and is work camera, each from shooting
Head is in battery saving mode, and in mode of operation, 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 the picture frame that wherein main camera detects its acquisition includes moving object, what the tandem based on time shaft captured to it
Picture frame carries out the analysis of the direction of motion of moving object, to determine the current kinetic direction of moving object.
3. method as claimed in claim 2, it is characterised in that the switching box also includes：
The camera set also includes mode selection device, is connected with main camera, for inclined in the semi-area of moving object one
When going out main camera view and receiving current kinetic direction, selected based on each from the relative position of camera and main camera
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 from battery saving mode is switched to mode of operation.
4. method as claimed in claim 3, it is characterised in that the switching box also includes：
Depth of field detection device, it is arranged in metal monitoring bar body, is connected with each camera, for what is is obtained to each camera
The depth of field of moving object in picture frame is detected to obtain multiple depth of field respectively.
5. method as claimed in claim 4, it is characterised in that the switching box also includes：
Image selection device, it is arranged in metal monitoring bar body, is connected with depth of field detection device, for receiving multiple depth of field, and
The picture frame corresponding to the depth of field that will most be matched with default field depth exports as pending image；
Binary conversion treatment equipment, for receiving pending image, binary conversion treatment is performed to pending image to obtain and export
Corresponding binary image；
Pixel travels through equipment, is connected with binary conversion treatment equipment, for receiving binary image, from the upper left corner of binary image
Each pixel of image is begun stepping through, for each pixel, if the pixel around it more than 6 points is all black level picture
Element or the pixel around it more than 6 points are all white level pixel, then using the pixel as interior pixels, otherwise, the pixel is made
For preliminary contour pixel；
Profile point confirms equipment, is connected with pixel traversal equipment, for all preliminary contour pixels in binary image to be connected
Pick up and come and be fitted to obtain multiple fitting closed curves, the preliminary contour pixel being fitted outside closed curve is revised as
Interior pixels, using the preliminary contour pixel do not changed as final profile pixel；
Embedded processing equipment, confirm that equipment is connected with profile point, for all final profile pixels to be connected to obtain
Multiple closed areas, using shape closest to the closed area of preset flame profile as flame subgraph, and in flame subgraph
When occupying the area percentage of binary image and being more than or equal to preset ratio threshold value, flame alarm signal is sent, simultaneously closes off number
Word video transformation equipment；
Wherein, mode selection device by selection from camera after battery saving mode is switched to mode of operation, with selection
Continue as next work camera to detect from camera 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.
6. method as claimed in claim 5, it is characterised in that：
All inoperative cameras in camera set all remain battery saving mode.
7. method as claimed in claim 6, it is characterised in that：
Black level pixel is the pixel that pixel value is 0, and white level pixel is the pixel that pixel value is 255.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394787.4A CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
| CN201710884538.7A CN107493461B (en) | 2017-09-26 | 2017-09-26 | A kind of control method of extended pattern digital video switching box |
Applications Claiming Priority (1)
| 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 true CN107493461A (en) | 2017-12-19 |
| CN107493461B CN107493461B (en) | 2018-07-13 |
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| 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 |
| CN201711394787.4A Active CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
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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 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| CN111163246A (en) * | 2018-11-08 | 2020-05-15 | 佳维技术有限公司 | High-altitude falling object monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108063963B (en) | 2019-12-06 |
| CN107493461B (en) | 2018-07-13 |
| CN108063963A (en) | 2018-05-22 |
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