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.
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.