CN107295384B - A kind of multifunctional set top box control method - Google Patents

A kind of multifunctional set top box control method Download PDF

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Publication number
CN107295384B
CN107295384B CN201710733257.1A CN201710733257A CN107295384B CN 107295384 B CN107295384 B CN 107295384B CN 201710733257 A CN201710733257 A CN 201710733257A CN 107295384 B CN107295384 B CN 107295384B
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China
Prior art keywords
top box
luminance
set top
light
video screen
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CN201710733257.1A
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CN107295384A (en
Inventor
刘文山
苏志培
张济雨
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Quanzhou Aowei Electronics Co. Ltd.
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Quanzhou Aowei Electronics Co Ltd
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Priority to CN201710733257.1A priority Critical patent/CN107295384B/en
Priority to CN201711274933.XA priority patent/CN107959871B/en
Publication of CN107295384A publication Critical patent/CN107295384A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42202Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] environmental sensors, e.g. for detecting temperature, luminosity, pressure, earthquakes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43637Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44008Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream

Abstract

The present invention relates to a kind of multifunctional set top box control method, methods described is including the use of multifunctional set top box control platform to realize to the control of the various switches of set top box, the platform includes light luminance sensor, luminance frequency analyzer, MMC storage devices and settop box control facility, the light luminance sensor is used to sense the light luminance around set top box, the luminance frequency analyzer is analyzed the light luminance in each preset time period based on the various benchmark video screen light luminance information that the MMC storage devices store, with determine in the light around set top box whether the light component sent comprising video screen, the settop box control facility is connected with the luminance frequency analyzer, the control strategy to set top box is determined for the analysis result based on the luminance frequency analyzer.By means of the invention it is possible to realize the various control functions to set top box.

Description

A kind of multifunctional set top box control method
Technical field
The present invention relates to digital TV field, more particularly to a kind of multifunctional set top box control method.
Background technology
Digital video switching box (English:Set Top Box, abbreviation STB), box commonly referred to as on set top box or machine, is one The equipment of individual connection television set and outside source.The data signal of compression can be changed into television content by him, and in television set On show.Signal can come from wire cable, satellite antenna, broadband network and terrestrial broadcasting.
The content that set top box receives in addition to image that simulated television can provide, sound is more that number can be received Word content, including electronic program guides, internet webpage, captions etc..Enable users to watch numeral electricity on existing television set Depending on program, and formula digitlization amusement, education and commercialization activity can be interacted by network.
It will be apparent that set top box can control the beginning and closing that its content of TV program connected is sent, so as to control electricity Beginning and stopping depending on playing program.And physically and mentally healthy influence of the TV to minor is self-evident.How to deposit indoors The TV programme played are interrupted in the case of without minor, are the controlling mechanisms lacked in the prior art.
The content of the invention
In order to solve the above problems, the invention provides a kind of multifunctional set top box control method, and transformation is in the prior art Set top box switching mechanism, by receiving the indoor light brightness in each preset time period based on time shaft, and based on storage Various benchmark video screen light luminance information the light luminance in each preset time period is analyzed, to determine machine In light around top box whether the light component sent comprising video screen, TV be present receiving in settop box control facility Screen exit rays signal and receive in the presence of be not grown up signal when, close set top box automatically.
According to an aspect of the present invention, there is provided a kind of multifunctional set top box control method, methods described is including the use of more For function set top box control platform to realize the various switches control to set top box, the multifunctional set top box control platform includes light Line luminance sensor, luminance frequency analyzer, MMC storage devices and settop box control facility, the light luminance sensor are used Light luminance around sensing set top box, the MMC storage devices are used to prestore various benchmark video screen light Monochrome information;
The luminance frequency analyzer is connected with the light luminance sensor and the MMC storage devices respectively, is used for Light luminance in each preset time period is received based on time shaft, and based on the various benchmark of MMC storage devices storage Video screen light luminance information is analyzed the light luminance in each preset time period, to determine around set top box Whether light component that video screen send is included in light, and the settop box control facility connects with the luminance frequency analyzer Connect, the control strategy to set top box is determined for the analysis result based on the luminance frequency analyzer.
More specifically, in the multifunctional set top box control platform:The luminance frequency analyzer is deposited based on the MMC The various benchmark video screen light luminance information of storage equipment storage are divided the light luminance in each preset time period Analysis includes:Light luminance in each preset time period is matched with various benchmark video screen light luminance information, The match is successful then sends and video screen light signal be present, and it fails to match then sends in the absence of video screen light signal;
Wherein, various benchmark video screen light luminances include the datum ray brightness that all kinds video screen is sent Information, the datum ray monochrome information that each type video screen is sent include datum ray Luminance Distribution scope and base Quasi- light luminance change frequency;
Wherein, the light luminance in each preset time period and various benchmark video screen light luminance information are carried out Matching includes:The base that the brightness value of light luminance in each preset time period and each type video screen are sent Datum ray Luminance Distribution scope in quasi-optical line monochrome information is matched, and by the light in each preset time period Datum ray brightness in the datum ray monochrome information that the change frequency of brightness is sent with each type video screen becomes Change frequency to be matched;
Wherein, the brightness value of the light luminance in each preset time period and each type video screen are sent Datum ray monochrome information in datum ray Luminance Distribution scope matched, and by each preset time period Datum ray in the datum ray monochrome information that the change frequency of light luminance is sent with each type video screen is bright Degree change frequency is matched, and the two is sent and video screen light signal be present, otherwise, send and be not present when all the match is successful Video screen light signal.
More specifically, in the multifunctional set top box control platform, in addition to:
Panoramic shooting equipment, the surface of set top box is arranged on, for carrying out high-definition image collection around set top box;The back of the body Scape analytical equipment, it is connected with panoramic shooting equipment, for receiving high-definition image and analyzing the background situation of high-definition image, works as judgement When background is movement background, background detection time interval is determined, when judging background for static background, background detection time interval For 0;
Background extracting equipment, be connected with context analyzer equipment, for determined based on context analyzer equipment background detection when Between be spaced, every background detection time interval, a background image is extracted from high-definition image, when background detection time interval is When 0, the background image of extraction still before use;Background segment equipment, connect respectively with image smoothing equipment and background extracting equipment Connect, for being partitioned into background image from high-definition image to be exported as foreground image;
Moving target recognition equipment, it is connected with background segment equipment, for analyzing multiple moving targets in foreground image, And multiple target subgraphs corresponding with multiple moving targets difference are partitioned into from foreground image;Human bioequivalence equipment, with fortune Moving-target extraction equipment connects, for receiving multiple target subgraphs, the length-width ratio of target rectangle where determining target subgraph, When the length-width ratio of the target rectangle is in the range of 1.2-8, mesh corresponding to the target subgraph in the target rectangle is determined It is designated as human body target;
Target type detection device, it is connected with human bioequivalence equipment, for receiving mesh corresponding to multiple human body targets difference Subgraph is marked, the shape of each target subgraph is matched with each default pattern of not being grown up, the match is successful when existing It is default be not grown up pattern when, send in the presence of not being grown up signal, otherwise, send no minor's signal;
Wherein, the target rectangle is the minimum rectangle that can include target subgraph;The settop box control facility point It is not connected with the luminance frequency analyzer and the target type detection device, for video screen light be present receiving Signal and receive in the presence of be not grown up signal when, close set top box automatically.
More specifically, in the multifunctional set top box control platform:The panoramic shooting equipment passes including flake panorama Sensor, optical filter, optical lens and shooting support;
Wherein, the flake sensor total field of view, the optical filter and the optical lens are all disposed within the shooting branch On frame.
More specifically, in the multifunctional set top box control platform, in addition to:Display device, it is arranged on set top box Lower section, it is connected with the settop box control facility, each item data received for settop box control facility described in real-time display.
More specifically, in the multifunctional set top box control platform:Light luminance sensor, luminance frequency are analyzed Instrument, MMC storage devices are integrated on same surface-mounted integrated circuit.More specifically, in the multifunctional set top box control platform: The display device is LCD display or light-emitting diode display.
More specifically, in the multifunctional set top box control platform, in addition to:Remote control equipment, for machine top The mobile terminal of box user establishes wireless communication link connection, the unlatching inputted for receiving set up box user to its mobile terminal Control signal and closing control signal;
Wherein, the settop box control facility is connected with the remote control equipment, for receiving unlatching control letter Number when, automatically open up set top box, be additionally operable to, when receiving closing control signal, close set top box automatically.
Brief description of the drawings
Embodiment of the present invention is described below with reference to accompanying drawing, wherein:
Fig. 1 is the block diagram of the multifunctional set top box control platform according to embodiment of the present invention.
Reference:1 light luminance sensor;2 luminance frequency analyzers;3 MMC storage devices;The control of 4 set top boxes is set It is standby
Embodiment
The embodiment of the multifunctional set top box control platform of the present invention is described in detail below with reference to accompanying drawings.
The basic function of top box of digital machine is that the TV for receiving DTV to connect to it provides content of TV program.Number Word machine top box also includes following functions.
(1) electronic program guides (EPG).An easy use, friendly interface are 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, set top box can identify the version number of the software, be connect in version difference The software is received, and the software to preserving in memory is updated.
(4) internet access and Email.Top box of digital machine can be easily real by built-in cable modem Existing internet access function.User can be surfed the Net by the browser built in set top box, send Email.With set-top box Various interfaces can be provided with PC to be connected, with PC and Internet connection.
(5) condition reception.The core of Conditional Access be set top box scrambling and encryption, top box of digital machine should have descrambling and Decrypt function.
The function of set top box of new generation should include:1. the simulated television and digital television program of broadcast mode are received, it is 2. high Speed accesses Internet, receives and dispatches e-mail, 3. video request program (VOD) and Music on Demand function, 4. phone, videophone, meeting TV, 5. connect the function of the consumption electronic products such as VCR, VCD, 6. electronic business transaction, 7. electronic game etc..
However, minor to interior in the prior art be present, but not at the scene, and TV still plays the feelings of video to parent Condition lacks adaptive solution, causes under many circumstances, and minor still is able to contact with program of televising for a long time, So as to which the psychological development to minor and physiology growth cause certain adverse effect.
In order to overcome above-mentioned deficiency, the present invention has built a kind of multifunctional set top box control method, and methods described includes making The various switches of set top box are controlled with realizing with multifunctional set top box control platform.By the analysis to indoor light composition with Judge whether that TV programme play situation, be recognized accurately by high-precision image recognition apparatus indoor with the presence or absence of not Adult, and based on the basis of above-mentioned judgement, close set top box from source, cut away the programming source of TV, so as to will not into Year, people kept apart in TV programme.
Fig. 1 is the block diagram of the multifunctional set top box control platform according to embodiment of the present invention, described flat Platform includes light luminance sensor, luminance frequency analyzer, MMC storage devices and settop box control facility, the light luminance Sensor is used to sense the light luminance around set top box, and the MMC storage devices are used to prestore various benchmark TVs Screen exit rays monochrome information;
The luminance frequency analyzer is connected with the light luminance sensor and the MMC storage devices respectively, is used for Light luminance in each preset time period is received based on time shaft, and based on the various benchmark of MMC storage devices storage Video screen light luminance information is analyzed the light luminance in each preset time period, to determine around set top box Whether light component that video screen send is included in light, and the settop box control facility connects with the luminance frequency analyzer Connect, the control strategy to set top box is determined for the analysis result based on the luminance frequency analyzer.
Then, continue that the concrete structure of the multifunctional set top box control platform of the present invention is further detailed.
In the platform:The various benchmark TVs that the luminance frequency analyzer is stored based on the MMC storage devices Screen exit rays monochrome information carries out analysis to the light luminance in each preset time period to be included:By each preset time period Interior light luminance is matched with various benchmark video screen light luminance information, and the match is successful then sends and video screen be present Light signal, it fails to match then sends in the absence of video screen light signal;
Wherein, various benchmark video screen light luminances include the datum ray brightness that all kinds video screen is sent Information, the datum ray monochrome information that each type video screen is sent include datum ray Luminance Distribution scope and base Quasi- light luminance change frequency;
Wherein, the light luminance in each preset time period and various benchmark video screen light luminance information are carried out Matching includes:The base that the brightness value of light luminance in each preset time period and each type video screen are sent Datum ray Luminance Distribution scope in quasi-optical line monochrome information is matched, and by the light in each preset time period Datum ray brightness in the datum ray monochrome information that the change frequency of brightness is sent with each type video screen becomes Change frequency to be matched;
Wherein, the brightness value of the light luminance in each preset time period and each type video screen are sent Datum ray monochrome information in datum ray Luminance Distribution scope matched, and by each preset time period Datum ray in the datum ray monochrome information that the change frequency of light luminance is sent with each type video screen is bright Degree change frequency is matched, and the two is sent and video screen light signal be present, otherwise, send and be not present when all the match is successful Video screen light signal.
In the platform, in addition to:
Panoramic shooting equipment, the surface of set top box is arranged on, for carrying out high-definition image collection around set top box;The back of the body Scape analytical equipment, it is connected with panoramic shooting equipment, for receiving high-definition image and analyzing the background situation of high-definition image, works as judgement When background is movement background, background detection time interval is determined, when judging background for static background, background detection time interval For 0;
Background extracting equipment, be connected with context analyzer equipment, for determined based on context analyzer equipment background detection when Between be spaced, every background detection time interval, a background image is extracted from high-definition image, when background detection time interval is When 0, the background image of extraction still before use;Background segment equipment, connect respectively with image smoothing equipment and background extracting equipment Connect, for being partitioned into background image from high-definition image to be exported as foreground image;
Moving target recognition equipment, it is connected with background segment equipment, for analyzing multiple moving targets in foreground image, And multiple target subgraphs corresponding with multiple moving targets difference are partitioned into from foreground image;Human bioequivalence equipment, with fortune Moving-target extraction equipment connects, for receiving multiple target subgraphs, the length-width ratio of target rectangle where determining target subgraph, When the length-width ratio of the target rectangle is in the range of 1.2-8, mesh corresponding to the target subgraph in the target rectangle is determined It is designated as human body target;
Target type detection device, it is connected with human bioequivalence equipment, for receiving mesh corresponding to multiple human body targets difference Subgraph is marked, the shape of each target subgraph is matched with each default pattern of not being grown up, the match is successful when existing It is default be not grown up pattern when, send in the presence of not being grown up signal, otherwise, send no minor's signal;
Wherein, the target rectangle is the minimum rectangle that can include target subgraph;The settop box control facility point It is not connected with the luminance frequency analyzer and the target type detection device, for video screen light be present receiving Signal and receive in the presence of be not grown up signal when, close set top box automatically.
More specifically, in the multifunctional set top box control platform:The panoramic shooting equipment passes including flake panorama Sensor, optical filter, optical lens and shooting support;
Wherein, the flake sensor total field of view, the optical filter and the optical lens are all disposed within the shooting branch On frame.
In the platform, in addition to:Display device, the lower section of set top box is arranged on, with the settop box control facility Connection, each item data received for settop box control facility described in real-time display.
In the platform:Light luminance sensor, luminance frequency analyzer, MMC storage devices are integrated in same On surface-mounted integrated circuit.More specifically, in the multifunctional set top box control platform:The display device be LCD display or Light-emitting diode display.
In the platform, in addition to:Remote control equipment, channel radio is established for the mobile terminal with set-top box users Believe link connection, the opening control signal and closing control signal inputted for receiving set up box user to its mobile terminal;
Wherein, the settop box control facility is connected with the remote control equipment, for receiving unlatching control letter Number when, automatically open up set top box, be additionally operable to, when receiving closing control signal, close set top box automatically.
In addition, DTV STB receives digital television program, processing data business and the parsing for completing a variety of applications. All kinds of information sources encode before cable TV network is entered by two-stage, and the first order is the message sink coding of video/audio signal, and will All information sources are packaged into transport stream, and the second level is the channel coding of transmission.It is corresponding to front end, DTV STB first from Transport layer extracts channel encoded signal, completes channel demodulation, then reduces the source coded signal of compression, recover original video and audio Stream, while complete the reception of data service and a variety of applications, parsing.
The course of work of DTV STB:DTV STB selects channel by Network Interface Module, goes forward side by side Row demodulation channel decoding process, MPEG-2 MPTS data are exported, give demultiplexer, demultiplexer is from MPEG-2 Transmit video and audio basic flow (PES) data packed for extracting a program in flow data out, including set-top box video PES, sound Frequency PES and assistance data PES, a descrambling engine is included in demultiplexer, data that can be in transport stream layer and PES layers to scrambling Descrambled, demultiplexer output is the video and audio PES descrambled.Video PES is sent into Video Decoder, takes out MPEG-2 and regards Frequency according to and after decoding it, be output to analog encoder, be encoded into analog video signal, then export through video output circuit. Audio PES is sent into audio decoder, takes out MPEG-2 voice datas and decodes it, output PCM audio data to audio D/A becomes Parallel operation, audio D/A converters output analog stereo audio signal, is exported through audio output circuit.
, can not be by minor and TV programme for prior art using the multifunctional set top box control platform of the present invention The technical problem being effectively isolated, it is respectively completed by indoor light testing mechanism and off-the-air picture testing mechanism to TV be present Program and the detection and judgement that minor's target be present, and video screen light signal and reception be present it is determined that receiving When not being grown up signal to presence, set top box is closed automatically, so as to solve above-mentioned technical problem.
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 (1)

1. a kind of multifunctional set top box control method, methods described is including the use of multifunctional set top box control platform to realize to machine The various switches control of top box, it is characterised in that the multifunctional set top box control platform includes:
Light luminance sensor, luminance frequency analyzer, MMC storage devices and settop box control facility, the light luminance pass Sensor is used to sense the light luminance around set top box, and the MMC storage devices are used to prestore various benchmark TV screens Curtain light luminance information, the luminance frequency analyzer connect with the light luminance sensor and the MMC storage devices respectively Connect, for receiving the light luminance in each preset time period based on time shaft, and based on each of MMC storage devices storage Kind benchmark video screen light luminance information is analyzed the light luminance in each preset time period, to determine set top box Whether light component that video screen send, the settop box control facility and the luminance frequency point are included in the light of surrounding Analyzer connects, for determining the switch control to set top box based on the video screen light luminance information monitoring and teenage identification System strategy;
The various benchmark video screen light luminance information pair that the luminance frequency analyzer is stored based on the MMC storage devices Light luminance in each preset time period, which carries out analysis, to be included:By the light luminance in each preset time period with it is various Benchmark video screen light luminance information is matched, and the match is successful then sends and video screen light signal be present, and it fails to match Then send in the absence of video screen light signal;
Wherein, various benchmark video screen light luminances include the datum ray brightness letter that all kinds video screen is sent Breath, the datum ray monochrome information that each type video screen is sent include datum ray Luminance Distribution scope and benchmark Light luminance change frequency;
Wherein, the light luminance in each preset time period is matched with various benchmark video screen light luminance information Including:The reference light that the brightness value of light luminance in each preset time period and each type video screen are sent Datum ray Luminance Distribution scope in line monochrome information is matched, and by the light luminance in each preset time period The datum ray monochrome information that is sent of change frequency and each type video screen in datum ray brightness change frequency Rate is matched;
Wherein, the base brightness value of the light luminance in each preset time period and each type video screen sent Datum ray Luminance Distribution scope in quasi-optical line monochrome information is matched, and by the light in each preset time period Datum ray brightness in the datum ray monochrome information that the change frequency of brightness is sent with each type video screen becomes Change frequency to be matched, the two is sent and video screen light signal be present, otherwise, send in the absence of TV when all the match is successful Screen exit rays signal;
Panoramic shooting equipment, the surface of set top box is arranged on, for carrying out high-definition image collection around set top box;
Context analyzer equipment, it is connected with panoramic shooting equipment, for receiving high-definition image and analyzing the background situation of high-definition image, When judging background for movement background, background detection time interval is determined, when judging background for static background, during background detection Between at intervals of 0;
Background extracting equipment, it is connected with context analyzer equipment, between background detection time for being determined based on context analyzer equipment Every, every background detection time interval, a background image is extracted from high-definition image, when background detection time interval is 0, The background image still extracted before use;
Background segment equipment, it is connected respectively with image smoothing equipment and background extracting equipment, for being partitioned into from high-definition image Background image as foreground image to export;
Moving target recognition equipment, it is connected with background segment equipment, for analyzing multiple moving targets in foreground image, and from Multiple target subgraphs corresponding with multiple moving targets difference are partitioned into foreground image;
Human bioequivalence equipment, it is connected with moving target recognition equipment, for receiving multiple target subgraphs, determines target subgraph The length-width ratio of place target rectangle, when the length-width ratio of the target rectangle is in the range of 1.2-8, determine in the target rectangle Target subgraph corresponding to target be human body target;
Target type detection device, it is connected with human bioequivalence equipment, for receiving target corresponding to multiple human body targets difference Image, the shape of each target subgraph is matched with each default pattern of not being grown up, when pre- in the presence of what the match is successful If be not grown up pattern when, send in the presence of not being grown up signal, otherwise, send no minor's signal;
Wherein, the target rectangle is the minimum rectangle that can include target subgraph;
Wherein, the settop box control facility connects with the luminance frequency analyzer and the target type detection device respectively Connect, for receive exist video screen light signal and receive in the presence of be not grown up signal when, close set top box automatically.
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