CN108063963B - extended digital video conversion box - Google Patents
extended digital video conversion box Download PDFInfo
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- CN108063963B CN108063963B CN201711394787.4A CN201711394787A CN108063963B CN 108063963 B CN108063963 B CN 108063963B CN 201711394787 A CN201711394787 A CN 201711394787A CN 108063963 B CN108063963 B CN 108063963B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 230000006870 function Effects 0.000 description 17
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000013519 translation 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 invention relates to an extended digital video conversion box, comprising: the digital video conversion equipment is connected with the display equipment through a wired cable and comprises a metal monitoring rod body, LED display equipment, a key switch, a tuner, an orthogonal amplitude demodulator, a demultiplexer and a decoder, wherein the metal monitoring rod body, the LED display equipment and the key switch are all arranged at the front end of a rectangular mounting part for mounting the digital video conversion equipment; the digital video conversion equipment further comprises a radio frequency attenuation module and a down-conversion module, wherein the radio frequency attenuation module and the down-conversion module are arranged inside the rectangular mounting piece for mounting the digital video conversion equipment.
Description
the invention is a divisional application of a patent with the application number of 201710884538.7, the application date of 2017, 9 and 26, and the invention name of 'a control method of an extended digital video converter box'.
Technical Field
the invention relates to the field of image processing, in particular to an extended digital video conversion box.
Background
The basic function of the digital video conversion box is to receive digital television, and in addition, the following functions are provided:
(1) an Electronic Program Guide (EPG) that provides users with an easy-to-use, interface-friendly way to quickly access desired programs;
(2) The high-speed data broadcasting can provide various messages such as stock market quotation, ticket information, electronic newspaper, hot websites and the like for users;
(3) and the software is upgraded online, and the online upgrade of the software can be regarded as one of the applications of the data broadcast. The data broadcasting server broadcasts the upgrade software according to DVB data broadcasting standard, the digital video conversion box can identify the version number of the software, receive the software when the versions are different, and update the software stored in the memory;
(4) Internet access and e-mail, the digital video conversion box can conveniently realize the Internet access function through a built-in cable modem. The user can surf the internet through a browser arranged in the digital video conversion box and send an e-mail, and meanwhile, the digital video conversion box can also provide various interfaces to be connected with a PC (personal computer) and is connected with the Internet by the PC;
(5) and (3) conditional reception, wherein the core of the conditional reception is scrambling and encryption of a digital video transform box, and the digital video transform box is required to have descrambling and decryption functions.
in addition, according to the customized requirement of the user, the functions of some digital video transform boxes can further include: (1) receiving analog television and digital television programs in a broadcasting mode, (2) accessing the Internet at high speed, receiving and sending e-mail, (3) Video On Demand (VOD) and music on demand functions, (4) telephone, video conference, 5) connecting functions of consumer electronics such as VCR and VCD, (6) electronic shopping, and (7) electronic games.
For digital video cassettes used in indoor environments, people need to use their distribution characteristics to perform regional detection of relevant targets, especially for digital video cassettes in residential homes.
disclosure of Invention
in order to solve the above problems, the present invention provides an extended digital video converter box, which integrates an indoor fire detection function into the existing digital video converter box, thereby satisfying more needs of users.
according to an aspect of the present invention, there is provided an extended digital video cassette, including:
The digital video conversion equipment is connected with the display equipment through a wired cable and comprises a metal monitoring rod body, LED display equipment, a key switch, a tuner, an orthogonal amplitude demodulator, a demultiplexer and a decoder, wherein the metal monitoring rod body, the LED display equipment and the key switch are all arranged at the front end of a rectangular mounting part for mounting the digital video conversion equipment;
The digital video conversion equipment further comprises a radio frequency attenuation module and a down-conversion module, wherein the radio frequency attenuation module and the down-conversion module are arranged inside the rectangular mounting piece for mounting the digital video conversion equipment.
the camera set is arranged on the metal monitoring rod body in an equal interval distribution mode and comprises a main camera and a plurality of auxiliary cameras, the visual field range of the main camera is 2 times that of the auxiliary cameras, each camera has two modes, namely a working mode and a power saving mode, in a default state, the main camera is in the working mode and is a working camera, each auxiliary camera is in the power saving mode, in the working mode, each camera captures data of scenes in the visual field of the camera to obtain and output continuous image frames, and in the power saving mode, each camera stops capturing the scenes in the visual field of the camera; when the image frames obtained by the detection of the main camera comprise the moving object, the image frames captured by the main camera are analyzed in the moving direction of the moving object based on the front and back sequence of the time axis so as to determine the current moving direction of the moving object.
The invention has at least the following two important points:
(1) The moving direction and the real-time position of the moving object in the visual field are determined, so that the moving object can be continuously tracked by a plurality of cameras, the condition that the moving object cannot escape from the visual field range of the cameras is kept, and the effectiveness of images acquired by the moving object is improved;
(2) and through traversing all pixels in the binarized image and curve fitting judgment, contour points in the image are confirmed for multiple times, so that the accuracy of extracting the flame object is improved.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
Fig. 1 is a schematic structural diagram of an extended digital video cassette according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a camera assembly of an extended digital video converter box according to an embodiment of the present invention.
Detailed Description
an embodiment of an extended digital video cassette according to the present invention will be described in detail with reference to the accompanying drawings.
in order to overcome the defects, the invention builds the extended digital video conversion box, and closes the digital video conversion equipment while identifying flames, thereby enriching the functions of the existing digital video conversion box.
fig. 1 is a schematic structural diagram of an extended digital video cassette according to an embodiment of the present invention, where the cassette includes:
the digital video conversion equipment is connected with the display equipment through a wired cable and comprises a metal monitoring rod body, LED display equipment, a key switch, a tuner, an orthogonal amplitude demodulator, a demultiplexer and a decoder, wherein the metal monitoring rod body, the LED display equipment and the key switch are all arranged at the front end of a rectangular mounting part for mounting the digital video conversion equipment;
the digital video conversion equipment further comprises a radio frequency attenuation module and a down-conversion module, wherein the radio frequency attenuation module and the down-conversion module are arranged inside the rectangular mounting piece for mounting the digital video conversion equipment.
next, a specific configuration of the extended digital video transform box according to the present invention will be further described.
The extended digital video transform box may further include:
As shown in fig. 2, the camera set is arranged on the metal monitoring rod body in an equally-spaced distribution manner, and includes a main camera and a plurality of sub-cameras, the visual field range of the main camera is 2 times that of the sub-cameras, each camera has two modes, namely, a working mode and a power saving mode, in a default state, the main camera is in the working mode and is a working camera, each sub-camera is in the power saving mode, in the working mode, each camera captures data of scenes in the visual field thereof to obtain and output continuous image frames, and in the power saving mode, each camera stops capturing data of scenes in the visual field thereof; when the image frames obtained by the detection of the main camera comprise the moving object, the image frames captured by the main camera are analyzed in the moving direction of the moving object based on the front and back sequence of the time axis so as to determine the current moving direction of the moving object.
the extended digital video transform box may further include:
The camera set further comprises mode selection equipment, wherein the mode selection equipment is connected with the main camera and used for selecting an adjacent auxiliary camera in the current movement direction of the main camera to serve as a next working camera based on the relative position of each auxiliary camera and the main camera when a half area of a moving object deviates from the field of view of the main camera and receives the current movement direction, and switching the selected auxiliary camera from a power saving mode to a working mode.
the extended digital video transform box may further include:
and the depth of field detection equipment is arranged in the metal monitoring rod body, is connected with each camera and is used for respectively detecting the depth of field of the moving object in the image frame obtained by each camera so as to obtain a plurality of depth of field.
the extended digital video transform box may further include:
The image selection equipment is arranged in the metal monitoring rod body, is connected with the depth-of-field detection equipment, and is used for receiving a plurality of depth of fields and outputting an image frame corresponding to the depth of field which is most matched with a preset depth-of-field range as an image to be processed;
The binarization processing device is used for receiving the image to be processed and executing binarization processing on the image to be processed to obtain and output a corresponding binarization image;
The pixel traversing device is connected with the binarization processing device and is used for receiving the binarization image, traversing each pixel of the image from the upper left corner of the binarization image, and regarding each pixel, if the pixels of which the periphery exceeds 6 points are all black level pixels or the pixels of which the periphery exceeds 6 points are all white level pixels, taking the pixel as an internal pixel, otherwise, taking the pixel as a preliminary contour pixel;
the contour point confirming device is connected with the pixel traversing device and is used for connecting all the preliminary contour pixels in the binary image and fitting the preliminary contour pixels to obtain a plurality of fitting closed curves, modifying the preliminary contour pixels outside the fitting closed curves into internal pixels and taking the unmodified preliminary contour pixels as final contour pixels;
The embedded processing equipment is connected with the contour point confirming equipment and is used for connecting all final contour pixels to obtain a plurality of closed areas, taking the closed area with the shape closest to the appearance of the preset flame as a flame subimage, sending a flame alarm signal when the area percentage of the flame subimage occupying the binary image is more than or equal to a preset proportion threshold value, and simultaneously closing the digital video converting equipment;
After the selected slave camera is switched to the working mode from the power saving mode, the mode selection device continues to detect the moving direction of the moving object in the image frame obtained by the selected slave camera as the next working camera for the selection of the next working camera.
in the extended digital video transform box: all non-working cameras in the set of cameras remain in power saving mode.
in the extended digital video transform box: the black-level pixel is a pixel having a pixel value of 0, and the white-level pixel is a pixel having a pixel value of 255.
In addition, the extended digital video conversion box can also integrate a wireless routing function. Compared with an extended product which integrates a simple Wireless AP (access point) and a broadband Router into a whole, the Wireless Router (Wireless Router) not only has all functions of the simple Wireless AP, such as supporting a DHCP client, a VPN (virtual private network), a firewall, WEP (Web-based encryption) encryption and the like, but also has a Network Address Translation (NAT) function and can support network connection sharing of local area network users. The Internet connection sharing in the family wireless network can be realized, and the wireless sharing access of ADSL, Cable modem and cell broadband can be realized. The wireless router can be directly connected with all ADSL MODEM or CABLE MODEM connected with the Ethernet, and can also be accessed again in a local area network mode such as a switch/hub, a broadband router and the like when in use. The simple virtual dialing software is arranged in the network, the user name and the password can be stored for dialing and surfing the Internet, the automatic dialing function can be provided for ADSL, CM and the like which access the Internet by dialing, and manual dialing or occupation of a computer as a server are not needed. In addition, the wireless router generally has a relatively more complete security protection function.
the router has a WIFI function to realize shared Internet access, and the router can access the Internet through the 3G wireless router as long as the mobile phone, the computer and the psp have wireless network cards or have WIFI functions, so that great convenience is provided for realizing sharing of the 3G wireless network by the wireless local area network. And a part of manufacturers also have wired broadband interfaces, and can normally access the Internet without 3G. Through the 3G wireless router, broadband connection can be realized, the network bandwidth of the current ADSL is reached or exceeded, and the wireless router is widely applied to the Internet and the like.
By adopting the extended digital video transform box, aiming at the technical problem of single function of the digital video transform box in the prior art, on the basis of high-precision image acquisition and image processing, all final contour pixels obtained after image processing are connected to obtain a plurality of closed regions, the closed region with the shape closest to the appearance of the preset flame is taken as a flame subimage, and when the area percentage of the flame subimage occupying the binary image is more than or equal to the preset proportional threshold, a flame alarm signal is sent out, and simultaneously, digital video transform equipment is closed.
It is to be understood that while the present invention has been described in conjunction with the preferred embodiments thereof, it is not intended to limit the invention to those embodiments. It will be apparent to those skilled in the art from this disclosure that many changes and modifications can be made, or equivalents modified, in the embodiments of the invention without departing from the scope of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (1)
1. An extended digital video cassette, comprising:
the digital video conversion equipment is connected with the display equipment through a wired cable and comprises a metal monitoring rod body, LED display equipment, a key switch, a tuner, an orthogonal amplitude demodulator, a demultiplexer and a decoder, wherein the metal monitoring rod body, the LED display equipment and the key switch are all arranged at the front end of a rectangular mounting part for mounting the digital video conversion equipment;
The digital video conversion equipment further comprises a radio frequency attenuation module and a down-conversion module, wherein the radio frequency attenuation module and the down-conversion module are both arranged inside a rectangular mounting piece for mounting the digital video conversion equipment;
the camera set is arranged on the metal monitoring rod body in an equal interval distribution mode and comprises a main camera and a plurality of auxiliary cameras, the visual field range of the main camera is 2 times that of the auxiliary cameras, each camera has two modes, namely a working mode and a power saving mode, in a default state, the main camera is in the working mode and is a working camera, each auxiliary camera is in the power saving mode, in the working mode, each camera captures data of scenes in the visual field of the camera to obtain and output continuous image frames, and in the power saving mode, each camera stops capturing the scenes in the visual field of the camera; when the image frames obtained by the detection of the main camera comprise a moving object, analyzing the moving direction of the moving object on the image frames captured by the main camera based on the front and back sequence of the time axis so as to determine the current moving direction of the moving object;
the camera set further comprises mode selection equipment, wherein the mode selection equipment is connected with the main camera and is used for selecting an adjacent auxiliary camera in the current motion direction of the main camera as a next working camera based on the relative position of each auxiliary camera and the main camera when half area of a moving object deviates from the field of view of the main camera and the current motion direction is received, and switching the selected auxiliary camera from a power saving mode to a working mode;
The depth of field detection equipment is arranged in the metal monitoring rod body, is connected with each camera and is used for respectively detecting the depth of field of the moving object in the image frame obtained by each camera so as to obtain a plurality of depth of field;
The image selection equipment is arranged in the metal monitoring rod body, is connected with the depth-of-field detection equipment, and is used for receiving a plurality of depth of fields and outputting an image frame corresponding to the depth of field which is most matched with a preset depth-of-field range as an image to be processed;
The binarization processing device is used for receiving the image to be processed and executing binarization processing on the image to be processed to obtain and output a corresponding binarization image;
the pixel traversing device is connected with the binarization processing device and is used for receiving the binarization image, traversing each pixel of the image from the upper left corner of the binarization image, and regarding each pixel, if the pixels of which the periphery exceeds 6 points are all black level pixels or the pixels of which the periphery exceeds 6 points are all white level pixels, taking the pixel as an internal pixel, otherwise, taking the pixel as a preliminary contour pixel;
The contour point confirming device is connected with the pixel traversing device and is used for connecting all the preliminary contour pixels in the binary image and fitting the preliminary contour pixels to obtain a plurality of fitting closed curves, modifying the preliminary contour pixels outside the fitting closed curves into internal pixels and taking the unmodified preliminary contour pixels as final contour pixels;
the embedded processing equipment is connected with the contour point confirming equipment and is used for connecting all final contour pixels to obtain a plurality of closed areas, taking the closed area with the shape closest to the appearance of the preset flame as a flame subimage, sending a flame alarm signal when the area percentage of the flame subimage occupying the binary image is more than or equal to a preset proportion threshold value, and simultaneously closing the digital video converting equipment;
After the selected slave camera is switched to the working mode from the power saving mode, the mode selection equipment continuously detects the moving direction of a moving object in an image frame obtained by the selected slave camera as a next working camera for selecting the next working camera;
All non-working cameras in the set of cameras remain in power saving mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711394787.4A CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
Applications Claiming Priority (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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710884538.7A Division CN107493461B (en) | 2017-09-26 | 2017-09-26 | A kind of control method of extended pattern digital video switching box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108063963A CN108063963A (en) | 2018-05-22 |
| CN108063963B true CN108063963B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 Expired - Fee Related CN108063963B (en) | 2017-09-26 | 2017-09-26 | extended digital video conversion box |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (2) | CN107493461B (en) |
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 | Fallen Object Monitoring System |
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| CN102663869B (en) * | 2012-04-23 | 2013-09-11 | 国家消防工程技术研究中心 | Indoor fire detection method based on video monitoring platform |
| CN102810237A (en) * | 2012-07-30 | 2012-12-05 | 中山大学 | An Infrared Monitoring and Alarming System Based on Set Top Box |
| CN203532160U (en) * | 2013-09-29 | 2014-04-09 | 西安扩力机电科技有限公司 | Wind power generation remote monitoring system based on internet of things |
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| CN204598192U (en) * | 2015-06-02 | 2015-08-26 | 惠州奥视通电子有限公司 | A kind of novel information secure digital telstar receiver |
| CN105857177A (en) * | 2015-12-14 | 2016-08-17 | 乐视云计算有限公司 | Holographic driving recording device and method |
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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 |
| CN106210613A (en) * | 2015-04-30 | 2016-12-07 | 中兴通讯股份有限公司 | A kind of video frequency monitoring method, Apparatus and system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107493461A (en) | 2017-12-19 |
| CN108063963A (en) | 2018-05-22 |
| CN107493461B (en) | 2018-07-13 |
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Address after: No. 315 Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Applicant after: Ren Yun Address before: 061000 No. 1 Lanzhou Road, Cangzhou hi tech Industrial Development Zone, Cangzhou, Hebei. Applicant before: Ren Yun |
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