CN104349207A - Automatic control method of set-top box based on image recognition - Google Patents
Automatic control method of set-top box based on image recognition Download PDFInfo
- Publication number
- CN104349207A CN104349207A CN201410628919.5A CN201410628919A CN104349207A CN 104349207 A CN104349207 A CN 104349207A CN 201410628919 A CN201410628919 A CN 201410628919A CN 104349207 A CN104349207 A CN 104349207A
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- CN
- China
- Prior art keywords
- top box
- user
- set top
- threshold value
- image recognition
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Classifications
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- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
Abstract
The invention discloses an automatic control method of a set-top box based on image recognition. The method is characterized by comprising the following steps of arranging a rotary module and a camera shooting module on the set-top box, wherein the camera shooting module is used for shooting the face image of a user in the front of the set-top box, and the rotary module is used for adjusting the shooting angle of the camera shooting module; at work, firstly judging the quantity of the user in the front of the set-top box; in the case that the quantity of the user in the front of the set-top box is one, controlling the camera shooting module to shoot the face image of the user from the front side as much as possible; then calculating the ratio of the eyelid-covered area of pupils to the area of the pupils in the image; in the case that the obtained ratio is more than or equal to a predetermined ratio threshold value, judging that the user is in a sleeping state; in the case that the duration that the user is in the sleep state exceeds a predetermined power-off time threshold value, turning off the set-top box body and a television connected with the set-top box body. By applying the method, when the user sleeps, the set-top box and the television are automatically turned off; the energy is saved; meanwhile, the quality of user sleeping is higher.
Description
Technical field
The present invention relates to field of set-top, particularly relate to a kind of Set Top Box autocontrol method based on image recognition.
Background technology
When TV is from black-and-white TV to color TV transition, have employed compatible way, PAL-D continues into the present built in China always.From simulated television to high definition digital television transition, it is the transition of a great-leap-forward, cannot be directly compatible, that is all simulated televisions are non-serviceable, so it is unpractical for settling at one go, various countries have employed the way of a transition type--and both top box of digital machines, thus effectively avoids interference and loss that TV signal causes in transmitting procedure, the signal quality of television reception obtains and improves significantly.This is a kind of transition, because the scan line of simulated television is fixed, so it is compared with high definition digital television, also has sizable distance.
Digital TV set-top box is a kind of conversion equipment digital television signal being converted to analog signal, digital TV set-top box has become a kind of embedding assembly equipment, there is perfect real time operating system, powerful CPU computing capability is provided, be used for cooperation control Set Top Box each several part hardware facility, and easy-operating graphic user interface (Graphical User Interface is provided, GUI), as the electronic program guides of enhanced-quality television, provide the program description and background information that both pictures and texts are excellent to user.It is also a kind of Domestic electrical equipment of expansion functions of television set, be responsible for the various information (comprising TV programme) received to be converted to television set can the form of reality show on screen, simultaneously, ability that Set Top Box has " fool's computer ", bidirectional rebuilding is carried out a little like this by house software function with to network, being easy to realize as many services such as internet browsing, video request program, household electric business, telephone communications, is that a net is seized state power.
2010, China's digital TV set-top box industry came into the market the prosperity period of structural adjustment and deeply development.Within 2010, be 1 year of the fast development of China Digital TV Set Top Box, industry market stable development.National statistics office data shows: within 2010, the above digital TV set-top box enterprise of scale amounts to 317; Assets amount to 211.34 hundred million yuan; Enforcement sale takes in 214.48 hundred million yuan, increases by 30.65% on a year-on-year basis; The total value that earns a profit 10.92 hundred million yuan.
Along with constantly popularizing of digital TV set-top box, it will change the concept of our existing TV, also a brand-new consumption terminal will be provided for the Internet, and this consumption terminal will than other any terminals as PC, mobile phone, PDA all popularize, facilitate, attractive, because top box of digital machine is not only user terminal, or the network terminal, it can make simulated television turn to interactive digital TV (as video request program etc.) from passive reception simulated television, and can enter the Internet, make user enjoy the omnibearing information services such as TV, data, language.Some people thinks that Set Top Box is just used to make TV set internet, and this is the mistaken ideas in a kind of understanding.In fact, top box of digital machine is one of forming member of broadband integration information network before walking universal digital television.Along with the development of digital technology, multimedia technology and network technology, the built-in and whole cost of top box of digital machine will be impelled to decline, allowing most of user realize on general analog television machine can amusement, the many services such as to surf the Net again.
Existing Set Top Box generally has people's manual operation switch.A lot of people can look at TV and fall asleep, and after falling asleep, Set Top Box and TV are always in running order, and on the one hand, the light pollution that TV produces affects sleep quality, and on the other hand, TV and Set Top Box are all flogging a dead horse, and waste energy.
Patent " a kind of automatic stand-by implementation method of digital TV set-top box " (application number: 201410311654.6 applyings date: 2014-07-02) discloses a kind of automatic stand-by implementation method of digital TV set-top box, and described method is:
1, set-top box software can upgrade and the last remote controller of recording user and set-top-box system carry out the mutual time;
2, whether standby prompting is just provided when Set Top Box does not receive remote controller operation signal in a Preset Time;
3, countdown function is started, if user makes within the time of falling to count cancel standby response, then set-top box software recording user the last operation time and restart timing, if user do not have can fall meter time in make response, then Set Top Box realizes standby automatically.
This invention can be avoided because user forgets standby and energy waste that is that cause, but the Consumer's Experience of this mode is very bad, when user needs to continue to see TV time, also need the standby response of cancellation cancelling Set Top Box, when the time that Set Top Box is preset is shorter, people is allowed to feel bored especially.
Summary of the invention
Technical problem to be solved by this invention is for defect involved in background technology, provides a kind of Set Top Box autocontrol method based on image recognition.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Based on a Set Top Box autocontrol method for image recognition, comprise following steps:
Step 1), arranges rotary module and photographing module on the set-top box, and described photographing module is arranged on rotary module, and for the face image of user before camera top box, described rotary module is for adjusting the shooting angle of described photographing module;
Step 2), by the shooting Focussing of photographing module to minimum, the front of Set Top Box is tentatively taken;
Step 3), after carrying out filtering and noise reduction, identifies face wherein to the image of preliminary shooting, judges the quantity of user before Set Top Box;
Step 4), when the quantity of user before Set Top Box is 1, controls the shooting angle of rotary module adjustment photographing module, makes the face image taking this user from front of photographing module maximum possible;
Step 5), carries out filtering and noise reduction to the face image of shooting, and calculates pupil in this image and accounted for the ratio of pupil area by the area that eyelid lid is crossed;
Step 6), makes comparisons the ratio calculated and the proportion threshold value preset, if the ratio calculated is more than or equal to default proportion threshold value, judges that this user is in sleep state, if the ratio calculated is less than default proportion threshold value, then return step 2);
Step 7), if this user is in the dormant duration exceed default unused time threshold value, the television set of closing described Set Top Box body and being connected with described Set Top Box body.
As a kind of further prioritization scheme of Set Top Box autocontrol method based on image recognition of the present invention, the scope of described default proportion threshold value is 80% to 100%.
As a kind of further prioritization scheme of Set Top Box autocontrol method based on image recognition of the present invention, described default proportion threshold value is 90%.
As a kind of further prioritization scheme of Set Top Box autocontrol method based on image recognition of the present invention, the scope of described default unused time threshold value is 1 second to 10 seconds.
As a kind of further prioritization scheme of Set Top Box autocontrol method based on image recognition of the present invention, described default unused time threshold value is 5 seconds.
As a kind of further prioritization scheme of Set Top Box autocontrol method based on image recognition of the present invention, described photographing module adopts XL-1212C type camera.
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. structure is simple, easy to use;
2. be manual operation without the need to people, whether automatic decision user falls asleep, and automatically closes Set Top Box and television set when user falls asleep, and saves the energy, allows user's sleep quality higher simultaneously.
Embodiment
Below technical scheme of the present invention is described in further detail:
Based on a Set Top Box autocontrol method for image recognition, comprise following steps:
Step 1), arranges rotary module and photographing module on the set-top box, and described photographing module is arranged on rotary module, and for the face image of user before camera top box, described rotary module is for adjusting the shooting angle of described photographing module;
Step 2), by the shooting Focussing of photographing module to minimum, the front of Set Top Box is tentatively taken;
Step 3), after carrying out filtering and noise reduction, identifies face wherein to the image of preliminary shooting, judges the quantity of user before Set Top Box;
Step 4), when the quantity of user before Set Top Box is 1, controls the shooting angle of rotary module adjustment photographing module, makes the face image taking this user from front of photographing module maximum possible;
Step 5), carries out filtering and noise reduction to the face image of shooting, and calculates pupil in this image and accounted for the ratio of pupil area by the area that eyelid lid is crossed;
Step 6), makes comparisons the ratio calculated and the proportion threshold value preset, if the ratio calculated is more than or equal to default proportion threshold value, judges that this user is in sleep state, if the ratio calculated is less than default proportion threshold value, then return step 2);
Step 7), if this user is in the dormant duration exceed default unused time threshold value, the television set of closing described Set Top Box body and being connected with described Set Top Box body.
The scope of described default proportion threshold value is 80% to 100%, is preferably 90%.
The scope of described default unused time threshold value is 1 second to 10 seconds, is preferably 5 seconds.
Described photographing module adopts XL-1212C type camera.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1., based on a Set Top Box autocontrol method for image recognition, it is characterized in that, comprise following steps:
Step 1), arranges rotary module and photographing module on the set-top box, and described photographing module is arranged on rotary module, and for the face image of user before camera top box, described rotary module is for adjusting the shooting angle of described photographing module;
Step 2), by the shooting Focussing of photographing module to minimum, the front of Set Top Box is tentatively taken;
Step 3), after carrying out filtering and noise reduction, identifies face wherein to the image of preliminary shooting, judges the quantity of user before Set Top Box;
Step 4), when the quantity of user before Set Top Box is 1, controls the shooting angle of rotary module adjustment photographing module, makes the face image taking this user from front of photographing module maximum possible;
Step 5), carries out filtering and noise reduction to the face image of shooting, and calculates pupil in this image and accounted for the ratio of pupil area by the area that eyelid lid is crossed;
Step 6), makes comparisons the ratio calculated and the proportion threshold value preset, if the ratio calculated is more than or equal to default proportion threshold value, judges that this user is in sleep state, if the ratio calculated is less than default proportion threshold value, then return step 2);
Step 7), if this user is in the dormant duration exceed default unused time threshold value, the television set of closing described Set Top Box body and being connected with described Set Top Box body.
2. the Set Top Box autocontrol method based on image recognition according to claim 1, is characterized in that, the scope of described default proportion threshold value is 80% to 100%.
3. the Set Top Box autocontrol method based on image recognition according to claim 2, is characterized in that, described default proportion threshold value is 90%.
4. the Set Top Box autocontrol method based on image recognition according to claim 1, is characterized in that, the scope of described default unused time threshold value is 1 second to 10 seconds.
5. the Set Top Box autocontrol method based on image recognition according to claim 4, is characterized in that, described default unused time threshold value is 5 seconds.
6. the Set Top Box autocontrol method based on image recognition according to claim 1, is characterized in that, described photographing module adopts XL-1212C type camera.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410628919.5A CN104349207A (en) | 2014-11-11 | 2014-11-11 | Automatic control method of set-top box based on image recognition |
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| CN201410628919.5A CN104349207A (en) | 2014-11-11 | 2014-11-11 | Automatic control method of set-top box based on image recognition |
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| CN104349207A true CN104349207A (en) | 2015-02-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106131678A (en) * | 2016-07-31 | 2016-11-16 | 韩斌 | A kind of live image voice receiver based on Smart Home |
| WO2019014828A1 (en) * | 2017-07-18 | 2019-01-24 | 深圳市智晟达科技有限公司 | Method for adjusting playing mode according to user posture, and digital television |
| WO2019024027A1 (en) * | 2017-08-02 | 2019-02-07 | 深圳市智晟达科技有限公司 | Energy-efficient green digital television system |
| CN109348196A (en) * | 2018-10-25 | 2019-02-15 | 安克创新科技股份有限公司 | Portable projector and its control method and computer storage medium |
| CN111447497A (en) * | 2020-04-24 | 2020-07-24 | 深圳市爱深盈通信息技术有限公司 | Intelligent playing device and energy-saving control method thereof |
| CN116168375A (en) * | 2022-12-29 | 2023-05-26 | 中汽传媒(天津)有限公司 | Intelligent identification method and system for automobile parts |
| CN117097982A (en) * | 2023-10-17 | 2023-11-21 | 北京钧雷科技有限公司 | Target detection method and system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131678A (en) * | 2016-07-31 | 2016-11-16 | 韩斌 | A kind of live image voice receiver based on Smart Home |
| WO2019014828A1 (en) * | 2017-07-18 | 2019-01-24 | 深圳市智晟达科技有限公司 | Method for adjusting playing mode according to user posture, and digital television |
| WO2019024027A1 (en) * | 2017-08-02 | 2019-02-07 | 深圳市智晟达科技有限公司 | Energy-efficient green digital television system |
| CN109348196A (en) * | 2018-10-25 | 2019-02-15 | 安克创新科技股份有限公司 | Portable projector and its control method and computer storage medium |
| CN111447497A (en) * | 2020-04-24 | 2020-07-24 | 深圳市爱深盈通信息技术有限公司 | Intelligent playing device and energy-saving control method thereof |
| CN116168375A (en) * | 2022-12-29 | 2023-05-26 | 中汽传媒(天津)有限公司 | Intelligent identification method and system for automobile parts |
| CN117097982A (en) * | 2023-10-17 | 2023-11-21 | 北京钧雷科技有限公司 | Target detection method and system |
| CN117097982B (en) * | 2023-10-17 | 2024-04-02 | 北京钧雷科技有限公司 | Target detection method and system |
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Application publication date: 20150211 |