CN105812921A - Method and terminal for controlling media information play - Google Patents
Method and terminal for controlling media information play Download PDFInfo
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- CN105812921A CN105812921A CN201610270573.5A CN201610270573A CN105812921A CN 105812921 A CN105812921 A CN 105812921A CN 201610270573 A CN201610270573 A CN 201610270573A CN 105812921 A CN105812921 A CN 105812921A
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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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
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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
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
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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
- H04N21/44—Processing 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
- H04N21/44008—Processing 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
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
- H04N21/4542—Blocking scenes or portions of the received content, e.g. censoring scenes
Abstract
The invention discloses a method for controlling media play information. The method comprises the following steps: acquiring play information of a media terminal, and decoding the play information to acquire decoding data, wherein the decoding data comprises video data and/or audio data; separately matching the video data and/or the audio data with preset feature data, and judging whether the video data and/or the audio data are matched with the feature data or not, wherein if the decoding data is audio-video mixed data, the mixed audio data and video data are separated before matching; and if so, executing an operation of shielding the video data and/or the audio data. The invention further discloses a terminal for controlling media play information. By adopting the method and the terminal, program contents of pictures and/or sound which are unhealthy and not suitable for children can be shielded in the play process, so that the movie watching protection measure for children is perfected and the audio-visual environment of children is purified.
Description
Technical field
The present invention relates to technical field of media play, particularly relate to a kind of method controlling media information broadcasting and terminal.
Background technology
Development along with media industry, the resource of video display play is more abundant, but the picture of video display play broadcasting and/or sound are not entirely health, be suitable to juvenile's audiovisual, in order to prevent on a public occasion as parlor is play unsound, it is unsuitable for picture and/or the sound of juvenile's audiovisual, existing display terminal such as intelligent television can shield treated particular program as added the program that rank describes, but can not shield not past the common film source processed as do not added the program that rank describes, unsound when comprising in general programs, when being unsuitable for picture and/or the sound of juvenile's audiovisual, play this type of program and can cause that juvenile contacts with bad media information, thus have impact on the audio visual environment of juvenile.
Summary of the invention
Present invention is primarily targeted at provide a kind of control media information play method and terminal, it is intended to shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound.
For achieving the above object, the present invention provides a kind of method controlling media play information, said method comprising the steps of:
Obtaining the broadcast information of media termination, decode described broadcast information and obtain decoding data, described decoding data include video data and/or voice data；
Described video data and/or described voice data are mated with preset characteristic respectively, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the decoding data obtained include video data, then the image information extracted from described video data is mated, wherein, if the information that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling；
If so, then perform to shield the operation of described video data and/or described voice data.
Preferably, if the decoding data obtained include video data, then described described decoding data are mated with preset characteristic, it is judged that the step whether described decoding data mate with described characteristic includes:
Obtain the video sequence of described video data；
Separate described video sequence and obtain bi-directional predicted frames B two field picture；
Split described bi-directional predicted frames B two field picture, the bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
Obtain the object information data of the bi-directional predicted frames B two field picture processed through Boundary Extraction with Contour tracing；
Described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
The described operation performing to shield described video data includes:
If described object information data mates with described characteristic, then the bi-directional predicted frames B two field picture in described video sequence is carried out stamp process.
Preferably, if the decoding data obtained include voice data, then described described decoding data are mated with preset characteristic, it is judged that the step whether described voice data mates with described characteristic includes:
Obtain the intra-coded frame I frame data of described voice data；
Described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described intra-coded frame I frame data mate with described characteristic；
The described operation performing to shield described voice data includes:
If described intra-coded frame I frame data mate with described characteristic, then described intra-coded frame I frame data are carried out shielding processing.
Preferably, decoding media termination broadcast information, obtain described broadcast information decoding data step before also include:
Obtaining the preset characteristic being stored in property data base, wherein, described characteristic includes compromising feature data, terrified characteristic, dirty word characteristic, the bloody characteristic of violence and nude and adult's characteristic.
Preferably, the step of described fuzzy matching includes:
Obtain described video data and/or the key frame data of described voice data；
Characteristic is extracted from described key frame data；
Described characteristic and preset characteristic are contrasted.
Additionally, for achieving the above object, the present invention also provides for a kind of terminal controlling media information broadcasting, and described terminal includes:
Decoder module, for obtaining the broadcast information of media termination, decodes described broadcast information and obtains decoding data, and described decoding data include video data and/or voice data；
Matching module, for described video data and/or described voice data are mated with preset characteristic respectively, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the information that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling；
Shroud module, for when described video data and/or described voice data mate with described characteristic, performing to shield the operation of described decoding data.
Preferably, if the decoding data obtained include video data, then described matching module is additionally operable to:
Obtain the video sequence of described video data；
Separate described video sequence and obtain bi-directional predicted frames B two field picture；
Split described bi-directional predicted frames B two field picture, the bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
Obtain the object information data of the bi-directional predicted frames B two field picture processed through Boundary Extraction with Contour tracing；
Described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
Described shroud module is additionally operable to:
If described object information data mates with described characteristic, then the bi-directional predicted frames B two field picture in described video sequence is carried out stamp process.
Preferably, if the decoding data obtained include voice data, then described judgement information module is additionally operable to:
Obtain the intra-coded frame I frame data of described voice data；
Described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described intra-coded frame I frame data mate with described characteristic；
Described shroud module is additionally operable to:
If described intra-coded frame I frame data mate with described characteristic, then described intra-coded frame I frame data are carried out shielding processing.
Preferably, the terminal that described control media information is play also includes:
Obtain characteristic module, for obtaining preset characteristic, wherein, described characteristic includes compromising feature data, terrified characteristic, dirty word characteristic, the bloody characteristic of violence and/or nude and adult's characteristic, is stored in property data base.
Preferably, the step of described fuzzy matching includes:
Obtain described video data and/or the key frame data of described voice data；
Characteristic is extracted from described key frame data；
Described characteristic and preset characteristic are contrasted.
The present invention provides a kind of method controlling media play information and terminal, when media termination plays program, obtain the broadcast information of described media termination, the broadcast information decoding described media termination obtains decoding data, described decoding data include video data and/or voice data, described video data and/or described voice data are mated with preset characteristic, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the data that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling, if, then perform to shield the operation of described video data and/or described voice data.Owing to the present invention can in playing process; respectively voice data and video data can be easily separated extraction; and shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound; thus the perfect protective measure watching video display play for juvenile, purify the audio visual environment of juvenile.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the present invention controls method one embodiment of media play information；
Fig. 2 is the schematic flow sheet that the present invention controls method two embodiment of media play information；
Fig. 3 is the schematic flow sheet that the present invention controls method three embodiment of media play information；
Fig. 4 is the high-level schematic functional block diagram that the present invention controls terminal one embodiment of media play information；
Fig. 5 is the high-level schematic functional block diagram that the present invention controls terminal two embodiment of media play information.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of method controlling media play information and terminal.
It is the schematic flow sheet that the present invention controls method one embodiment of media play information with reference to Fig. 1, Fig. 1.
In one embodiment, the method for this control media play information includes:
Step S10, obtains the broadcast information of media termination, decodes described broadcast information and obtains decoding data, and wherein, described decoding data include video data and/or voice data；
In the present embodiment, when media termination plays program, obtain the broadcast information of described media termination, by decoding technique, described broadcast information is decoded, obtains the decoding data of described broadcast information, wherein, described decoding data include video data and/or voice data, specifically, described decoding technique, in this no limit.
In one embodiment, described program includes internet program and local program.Specifically, user can be pointed out before user watches program to select, in this no limit.Owing to the present invention can monitor the broadcasting content of internet program or local program, when the content needing shielding of user preset occurs in internet program or local program, then perform the masking operation to the content needing shielding in described internet program or described local program, expand the opereating specification of shielding program.
Step S20, described video data and/or described voice data are mated with preset characteristic respectively, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the decoding data obtained include video data, then the image information extracted from described video data is mated；
If the data that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling.By separating audio data and video data, then voice data and video data can be carried out masking operation respectively, it is possible to make shielding have more specific aim, it is to avoid the content that shielding need not shield.
When obtaining video data and/or voice data, characteristic preset with user to described video data and/or described voice data is contrasted, judge through whether the data of decoding meet default shielding condition by comparing result, wherein, if the decoding data obtained include video data, then the image information extracted from described video data is mated.In one embodiment, when described video data and/or the described voice data characteristic preset with user are consistent, then judge that described video data and/or described voice data need to perform the operation of shielding, when described video data and/or described voice data are not inconsistent with described characteristic, then judge that described video data and/or described voice data need not perform the operation of shielding.
Step S30, if described video data and/or described voice data mate with described characteristic, then performs to shield the operation of described video data and/or described voice data.
If comparing result meets the shielding condition of user preset, then described video data and/or described voice data are shielded.In one embodiment, shielding object includes the video data and/or the voice data that possess the other complete programs of descriptive level or program fragment, and lack the complete programs of rank description and the video data of program fragment and/or voice data, by the mode covering and/or replacing, described video data and/or described voice data are shielded, specifically, described shielding mode, in this no limit.Owing to the present invention can shielding video data and/or voice data; when the information needing shielding of user setup occurs in broadcast information; according to the shielding condition of user preset, described information can be shielded; the perfect protective measure watching video display play for juvenile, has purified the audio visual environment of juvenile.
The present embodiment is by obtaining the broadcast information of media termination, described broadcast information is decoded, obtain the decoding data of described broadcast information, wherein, described decoding data include video data and/or voice data, when obtaining video data and/or voice data, characteristic preset with user to described video data and/or described voice data is contrasted, judge whether described video data and/or described voice data meet default shielding condition by comparing result, if comparing result meets the shielding condition of user preset, then described video data and/or described voice data are shielded.Due to the present invention can in playing process, shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, thus the perfect protective measure watching video display play for juvenile, purified the audio visual environment of juvenile.
Further, in other embodiments, if the decoding data obtained are described video datas, then above-mentioned steps S20 may include that
Obtain the video sequence of described video data；
Separate described video sequence and obtain bi-directional predicted frames B two field picture；
Split described bi-directional predicted frames B two field picture, the bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
Obtain the object information data of the bi-directional predicted frames B two field picture processed through Boundary Extraction with Contour tracing；
Described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
Above-mentioned steps S30 may include that
If described object information data mates with described characteristic, then the bi-directional predicted frames B two field picture in described video sequence is carried out stamp process.
In the present embodiment, when the decoding data obtained include video data, by obtaining the video sequence of described video data, separate described video sequence and obtain bi-directional predicted frames B two field picture, split described bi-directional predicted frames B two field picture, bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing, bi-directional predicted frames B two field picture according to processing through Boundary Extraction and Contour tracing obtains object information data, described object information data and preset characteristic are carried out fuzzy matching, judge whether described object information data mates with described characteristic, if coupling, then described bi-directional predicted frames B two field picture is carried out stamp process.In one embodiment, described video is played out by the form of video sequence GOP, wherein, video sequence GOP includes an intra-coded frame I frame, two or more forward predicted frame P frames and multiple bi-directional predicted frames B frame, specifically, the quantity of described forward predicted frame P frame and described bi-directional predicted frames B frame, in this no limit.The frame per second that the video of different broadcast formats is corresponding different, frame per second scope is typically in 20 frames per second between 120 frames, corresponding 2 to 10 video sequence GOP.In order to save cpu resource, a bi-directional predicted frames B two field picture is extracted every 500 milliseconds, by obtaining the bi-directional predicted frames B two field picture in described video sequence GOP, described bi-directional predicted frames B two field picture is carried out dividing processing, by bi-directional predicted frames B two field picture through over-segmentation of Boundary Extraction and Contour tracing technical finesse, obtain the object information data of bi-directional predicted frames B two field picture.Described object information data and preset characteristic are carried out fuzzy matching, judge described object information data and can described characteristic the match is successful, wherein, due to OpenCV storehouse, computer vision storehouse of increasing income integrated in media termination, the work of fuzzy matching can be passed through to call the interface in OpenCV storehouse, computer vision storehouse of increasing income and be completed, wherein, OpenCV storehouse, computer vision of increasing income storehouse can be directly integrated in media termination software, by call instruction, image is processed, result passes through media termination output display, but can not intuitively check untreated image and processed image.OpenCV storehouse, computer vision of increasing income storehouse may be used for recognition of face as identified specific face in tens thousand of photos, the technology of certain recognition of face requires higher, it is relatively low that technology towards the monitoring identification of program requires to compare recognition of face, advantage is in that the object range that monitoring identifies is relatively wide, similar with the identification technology adopted in automatic driving.When the match is successful, then bi-directional predicted frames B two field picture is carried out stamp process, specifically, stamp form, in this no limit.The technological means describing shielding video data carrier and video according to rank is not adopted due to the present invention; but adopt the technological means according to the video data play and video content mute video picture; in playing process; shield pack containing unsound, be unsuitable for juvenile viewing picture; thus the perfect protective measure watching video display play for juvenile, purify the visual environment of juvenile.
Further, in other embodiments, if the decoding data obtained include voice data, then above-mentioned steps S20 may include that
Obtain the intra-coded frame I frame data of described voice data；
Described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described intra-coded frame I frame data mate with described characteristic；
Above-mentioned steps S30 may include that
If described intra-coded frame I frame data mate with described characteristic, then described intra-coded frame I frame data are carried out shielding processing.
In the present embodiment, when the decoding data obtained are voice datas, the intra-coded frame I frame data of described voice data are obtained by described voice data, described intra-coded frame I frame data are mated with preset characteristic, judge whether described intra-coded frame I frame data mate with described characteristic, if meeting the matched rule of fuzzy matching, then described intra-coded frame I frame data are carried out shielding processing.In one embodiment, described audio frequency is played out by the form of intra-coded frame I frame, described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that described intra-coded frame I frame data are with can described characteristic the match is successful.When the match is successful, then described intra-coded frame I frame data are carried out shielding processing.Owing to the present invention can shield voice data, when juvenile watches video display play, it is possible to process the information that juvenile hears, purified the acoustic environments of juvenile, juvenile is stoped to contact with bad media information further.
It is the schematic flow sheet that the present invention controls method two embodiment of media play information with reference to Fig. 2, Fig. 2, on the basis of above-described embodiment, also included before above-mentioned steps S10:
Step S100, obtains the preset characteristic being stored in property data base, and wherein, described characteristic includes compromising feature data, terrified characteristic, dirty word characteristic, the bloody characteristic of violence and/or nude and adult's characteristic.
In the present embodiment, characteristic is stored in property data base, and property data base is by being stored in the label information auto-associating in the characteristic tag library that user is preset.In one embodiment, user can pass through in UI interface input password enter characteristic tag library interface is set, the label information needing to perform the characteristic of masking operation is set, described label information and described property data base Auto-matching, wherein, property data base can include compromising feature data base, terrified property data base, dirty word property data base, the bloody property data base of violence and nude and adult's property data base, in this no limit.Described property data base obtains by running programming software MATLAB on computers, programming software MATLAB possesses image processing method and the function of relatively horn of plenty, picture and data comparatively intuitively can be obtained by these methods and function, wherein, described method and function can include reading and display, the point processing of image, the geometric operation of image, spatial domain and the image enhaucament of frequency domain, Color Image Processing, morphological images process, Morphological Segmentation and the feature extraction of image, in this no limit.By running simulation in programming software MATLAB, obtain picture and data comparatively intuitively, described picture and data are packaged into property data base integrated in display terminal software.Specifically, picture that described property data base can include containing harmful content and corresponding data, wherein, institute's data contain the picture of harmful content and are different from the basic colors information at specific properties such as personage's face position of other pictures and size, the head range of activity with the entirety ratio of height, hands and foot and each position described in being used for describing, in this no limit.Due to the present invention can in playing process, shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, thus the perfect protective measure watching video display play for juvenile, purified the audio visual environment of juvenile.
Further, on the basis of above-described embodiment, in other embodiments, the step of described fuzzy matching may include that
Obtain described video data and/or the key frame data of described voice data；
Characteristic is extracted from described key frame data；
Described characteristic and preset characteristic are contrasted.
In the present embodiment, by obtaining described video data and/or the key frame data of described voice data, and from described key frame data, extract characteristic, described characteristic and preset characteristic are contrasted.Due to the present invention can in playing process, shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, thus the perfect protective measure watching video display play for juvenile, purified the audio visual environment of juvenile.
With reference to Fig. 3, Fig. 3 is the schematic flow sheet that the present invention controls method three embodiment of media play information, further, on the basis of above-described embodiment, in one specifically embodiment, in media termination playing process shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, detailed process is as follows:
1: when media termination plays program, obtain the broadcast information of described media termination；
2: read the characteristic tag library that user is preset；
3: select the property data base of coupling according to the label of storage in described characteristic tag library；
4: create characteristic combinatorial libraries by combining described property data base, wherein, user needs the characteristic of shielding to be stored in described property data base and described characteristic combinatorial libraries；
5: by decoding technique, described broadcast information is decoded, obtain the decoding data of described broadcast information；
6: when the decoding data obtained include video data, obtain the video sequence of described video data；
7: separate described video sequence and obtain bi-directional predicted frames B two field picture；
8: split described bi-directional predicted frames B two field picture；
9: the bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
10: the bi-directional predicted frames B two field picture according to processing through Boundary Extraction and Contour tracing obtains object information data；
11: described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
12: if described object information data mates with described characteristic, then described bi-directional predicted frames B two field picture is carried out stamp process；
13: when the decoding data obtained include voice data, obtained the intra-coded frame I frame data of described voice data by described voice data；
14: described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described intra-coded frame I frame data mate with described characteristic；
15: if described intra-coded frame I frame data mate with described characteristic, then described intra-coded frame I frame data are carried out shielding processing.
The present invention further provides a kind of terminal controlling media play information.
It is the high-level schematic functional block diagram that the present invention controls terminal one embodiment of media play information with reference to Fig. 3, Fig. 3.
In one embodiment, the terminal of this control media play information includes:
Decoder module 01, for obtaining the broadcast information of media termination, decodes described broadcast information and obtains decoding data, and wherein, described decoding data include video data and/or voice data；
In the present embodiment, when media termination plays program, obtain the broadcast information of described media termination, by decoding technique, described broadcast information is decoded, obtains the decoding data of described broadcast information, wherein, described decoding data include video data and/or voice data, specifically, described decoding technique, in this no limit.In one embodiment, described program includes internet program and local program.Specifically, user can be pointed out before user watches program to select, in this no limit.Owing to the present invention can monitor the broadcasting content of internet program or local program, when the content needing shielding of user preset occurs in internet program or local program, then perform the masking operation to the content needing shielding in described internet program or described local program, expand the opereating specification of shielding program.
Matching module 02, for described video data and/or described voice data are mated with preset characteristic respectively, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the decoding data obtained include video data, then the image information extracted from described video data is mated；If the data that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling.By separating audio data and video data, then voice data and video data can be carried out masking operation respectively, it is possible to make shielding have more specific aim, it is to avoid the content that shielding need not shield.
When obtaining video data and/or voice data, characteristic preset with user to described video data and/or described voice data is contrasted, judges whether described video data and/or described voice data meet default shielding condition by comparing result.In one embodiment, when described video data and/or the described voice data characteristic preset with user are consistent, then judge that described video data and/or described voice data need to perform the operation of shielding, when described video data and/or described voice data are not inconsistent with described characteristic, then judge that described video data and/or described voice data need not perform the operation of shielding.
Shroud module 03, for when described video data and/or described voice data mate with described characteristic, then performing to shield the operation of described video data and/or described voice data.
If comparing result meets the shielding condition of user preset, then described video data and/or described voice data are shielded.In one embodiment, shielding object includes the video data and/or the voice data that possess the other complete programs of descriptive level or program fragment, and lack the complete programs of rank description and the video data of program fragment and/or voice data, by the mode covering and/or replacing, described video data and/or described voice data are shielded, specifically, described shielding mode, in this no limit.Owing to the present invention can shielding video data and/or voice data; when the information needing shielding of user setup occurs in broadcast information; according to the shielding condition of user preset, described information can be shielded; the perfect protective measure watching video display play for juvenile, has purified the audio visual environment of juvenile.
The present embodiment is by obtaining the broadcast information of media termination, described broadcast information is decoded, obtain the decoding data of described broadcast information, wherein, described decoding data include video data and/or voice data, when obtaining video data and/or voice data, characteristic preset with user to described video data and/or described voice data is contrasted, judge whether described video data and/or described voice data meet default shielding condition by comparing result, if comparing result meets the shielding condition of user preset, then described video data and/or described voice data are shielded.Due to the present invention can in playing process, shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, thus the perfect protective measure watching video display play for juvenile, purified the audio visual environment of juvenile.
Further, if the decoding data obtained include video data, then above-mentioned matching module 02 may be used for:
Obtain the video sequence of described video data；
Separate described video sequence and obtain bi-directional predicted frames B two field picture；
Split described bi-directional predicted frames B two field picture, the bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
Obtain the object information data of the bi-directional predicted frames B two field picture processed through Boundary Extraction with Contour tracing；
Described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
Above-mentioned shroud module 03 may be used for:
If described object information data mates with described characteristic, then the bi-directional predicted frames B two field picture in described video sequence is carried out stamp process.
In the present embodiment, when the decoding data obtained include video data, by obtaining the video sequence of described video data, separate described video sequence and obtain bi-directional predicted frames B two field picture, split described bi-directional predicted frames B two field picture, bi-directional predicted frames B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing, bi-directional predicted frames B two field picture according to processing through Boundary Extraction and Contour tracing obtains object information data, described object information data and preset characteristic are carried out fuzzy matching, judge whether described object information data mates with described characteristic, if coupling, then described bi-directional predicted frames B two field picture is carried out stamp process.In one embodiment, described video is played out by the form of video sequence GOP, wherein, video sequence GOP includes an intra-coded frame I frame, two or more forward predicted frame P frames and multiple bi-directional predicted frames B frame, specifically, the quantity of described forward predicted frame P frame and described bi-directional predicted frames B frame, in this no limit.The frame per second that the video of different broadcast formats is corresponding different, frame per second scope is typically in 20 frames per second between 120 frames, corresponding 2 to 10 video sequence GOP.In order to save cpu resource, a bi-directional predicted frames B two field picture is extracted every 500 milliseconds, by obtaining the bi-directional predicted frames B two field picture in described video sequence GOP, described bi-directional predicted frames B two field picture is carried out dividing processing, by bi-directional predicted frames B two field picture through over-segmentation of Boundary Extraction and Contour tracing technical finesse, obtain the object information data of bi-directional predicted frames B two field picture.Described object information data and preset characteristic are carried out fuzzy matching, judge described object information data and can described characteristic the match is successful, wherein, due to OpenCV storehouse, computer vision storehouse of increasing income integrated in media termination, the work of fuzzy matching can be passed through to call the interface in OpenCV storehouse, computer vision storehouse of increasing income and be completed, wherein, OpenCV storehouse, computer vision of increasing income storehouse can be directly integrated in media termination software, by call instruction, image is processed, result passes through media termination output display, but can not intuitively check untreated image and processed image.OpenCV storehouse, computer vision of increasing income storehouse may be used for recognition of face as identified specific face in tens thousand of photos, the technology of certain recognition of face requires higher, it is relatively low that technology towards the monitoring identification of program requires to compare recognition of face, advantage is in that the object range that monitoring identifies is relatively wide, similar with the identification technology adopted in automatic driving.When the match is successful, then bi-directional predicted frames B two field picture is carried out stamp process, specifically, stamp form, in this no limit.The technological means describing shielding video data carrier and video according to rank is not adopted due to the present invention; but adopt the technological means according to the video data play and video content mute video picture; in playing process; shield pack containing unsound, be unsuitable for juvenile viewing picture; thus the perfect protective measure watching video display play for juvenile, purify the visual environment of juvenile.
Further, if the decoding data obtained include voice data, then above-mentioned matching module 02 may be used for:
Obtain the intra-coded frame I frame data of described voice data；
Described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described intra-coded frame I frame data mate with described characteristic；
Above-mentioned shroud module 03 may be used for:
If described intra-coded frame I frame data mate with described characteristic, then described intra-coded frame I frame data are carried out shielding processing.
In the present embodiment, when the decoding data obtained include voice data, the intra-coded frame I frame data of described voice data are obtained by described voice data, described intra-coded frame I frame data are mated with preset characteristic, judge whether described intra-coded frame I frame data mate with described characteristic, if meeting the matched rule of fuzzy matching, then described intra-coded frame I frame data are carried out shielding processing.In one embodiment, described audio frequency is played out by the form of intra-coded frame I frame, described intra-coded frame I frame data and preset characteristic are carried out fuzzy matching, it is judged that described intra-coded frame I frame data are with can described characteristic the match is successful.When the match is successful, then described intra-coded frame I frame data are carried out shielding processing.Owing to the present invention can shield voice data, when juvenile watches video display play, it is possible to process the information that juvenile hears, purified the acoustic environments of juvenile, juvenile is stoped to contact with bad media information further.
It is the high-level schematic functional block diagram that the present invention controls terminal two embodiment of media play information with reference to Fig. 4, Fig. 4, on the basis of above-described embodiment, also included before above-mentioned decoder module 01:
Obtain characteristic module 101, for obtaining preset characteristic, wherein, described characteristic includes compromising feature data, terrified characteristic, dirty word characteristic, the bloody characteristic of violence and/or nude and adult's characteristic, is stored in property data base.
In the present embodiment, characteristic is stored in property data base, and property data base is by being stored in the label information auto-associating in the characteristic tag library that user is preset.In one embodiment, user can pass through in UI interface input password enter characteristic tag library interface is set, the label information needing to perform the characteristic of masking operation is set, described label information and described property data base Auto-matching, wherein, property data base can include compromising feature data base, terrified property data base, dirty word property data base, the bloody property data base of violence and nude and adult's property data base, in this no limit.Described property data base obtains by running programming software MATLAB on computers, programming software MATLAB possesses image processing method and the function of relatively horn of plenty, picture and data comparatively intuitively can be obtained by these methods and function, wherein, described method and function can include reading and display, the point processing of image, the geometric operation of image, spatial domain and the image enhaucament of frequency domain, Color Image Processing, morphological images process, Morphological Segmentation and the feature extraction of image, in this no limit.By running simulation in programming software MATLAB, obtain picture and data comparatively intuitively, described picture and data are packaged into property data base integrated in display terminal software.Specifically, picture that described property data base can include containing harmful content and corresponding data, wherein, institute's data contain the picture of harmful content and are different from the basic colors information at specific properties such as personage's face position of other pictures and size, the head range of activity with the entirety ratio of height, hands and foot and each position described in being used for describing, in this no limit.Due to the present invention can in playing process, shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, thus the perfect protective measure watching video display play for juvenile, purified the audio visual environment of juvenile.
Further, on the basis of above-described embodiment, in other embodiments, the step of described matching module fuzzy matching may include that
Obtain described video data and/or the key frame data of described voice data；
Characteristic is extracted from described key frame data；
Described characteristic and preset characteristic are contrasted.
In the present embodiment, by obtaining described video data and/or the key frame data of described voice data, and from described key frame data, extract characteristic, described characteristic and preset characteristic are contrasted.Due to the present invention can in playing process, shield pack containing unsound, be unsuitable for the picture of juvenile's audiovisual and/or the programme content of sound, thus the perfect protective measure watching video display play for juvenile, purified the audio visual environment of juvenile.
The terminal controlling media play information of the present invention is control the method system and device one to one of media play information with the present invention, the terminal controlling media play information of the present invention is not described in detail at this.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to above-described embodiment method and realize, hardware can certainly be passed through, but in a lot of situation, the former is embodiment more preferably.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer.Server, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. the method controlling media play information, it is characterised in that said method comprising the steps of:
Obtaining the broadcast information of media termination, decode described broadcast information and obtain decoding data, described decoding data include video data and/or voice data；
Described video data and/or described voice data are mated with preset characteristic respectively, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the data that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling；
If so, then perform to shield the operation of described video data and/or described voice data.
2. the method controlling media play information as claimed in claim 1, it is characterized in that, if the decoding data obtained include video data, then described described video data is mated with preset characteristic, it is judged that the step whether described video data mates with described characteristic includes:
Obtain the video sequence of described video data；
Separate described video sequence and obtain B two field picture；
Split described B two field picture, the B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
Obtain the object information data of the B two field picture processed through Boundary Extraction with Contour tracing；
Described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
The described operation performing to shield described video data includes:
If described object information data mates with described characteristic, then the B two field picture in described video sequence is carried out stamp process.
3. the method controlling media play information as claimed in claim 1, it is characterized in that, if the decoding data obtained include voice data, then described described voice data is mated with preset characteristic, it is judged that the step whether described voice data mates with described characteristic includes:
Obtain the I frame data of described voice data；
Described I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described I frame data mate with described characteristic；
The described operation performing to shield described voice data includes:
If described I frame data mate with described characteristic, then described I frame data are carried out shielding processing.
4. in claims 1 to 3 as described in any one control media play information method, it is characterised in that the broadcast information of described decoding media termination, obtain described broadcast information decoding data step before also include:
Obtaining the preset characteristic being stored in property data base, wherein, described characteristic includes compromising feature data, terrified characteristic, dirty word characteristic, the bloody characteristic of violence and/or nude and adult's characteristic.
5. the method controlling media play information as claimed in claim 2 or claim 3, it is characterised in that the step of described fuzzy matching includes:
Obtain described video data and/or the key frame data of described voice data；
Characteristic is extracted from described key frame data；
Described characteristic and preset characteristic are contrasted.
6. the terminal controlling media play information, it is characterised in that described terminal includes:
Decoder module, for obtaining the broadcast information of media termination, decodes described broadcast information and obtains decoding data, and described decoding data include video data and/or voice data；
Matching module, for described video data and/or described voice data are mated with preset characteristic respectively, judge whether described video data and/or described voice data mate with described characteristic, wherein, if the data that described decoding data are audio frequency and video mixing, also included separating the described voice data of mixing and described video data before described coupling；
Shroud module, for when described video data and/or described voice data mate with described characteristic, performing to shield the operation of described video data and/or described voice data.
7. the terminal controlling media play information as claimed in claim 6, it is characterised in that if the decoding data obtained include video data, then described matching module is additionally operable to:
Obtain the video sequence of described video data；
Separate described video sequence and obtain B two field picture；
Split described B two field picture, the B two field picture through over-segmentation is carried out Boundary Extraction and Contour tracing；
Obtain the object information data of the B two field picture processed through Boundary Extraction with Contour tracing；
Described object information data and preset characteristic are carried out fuzzy matching, it is judged that whether described object information data mates with described characteristic；
Described shroud module is additionally operable to:
If described object information data mates with described characteristic, then the B two field picture in described video sequence is carried out stamp process.
8. the terminal controlling media play information as claimed in claim 6, it is characterised in that if the decoding data obtained include voice data, then described judgement information module is additionally operable to:
Obtain the I frame data of described voice data；
Described I frame data and preset characteristic are carried out fuzzy matching, it is judged that whether described I frame data mate with described characteristic；
Described shroud module is additionally operable to: if described I frame data mate with described characteristic, then described I frame data are carried out shielding processing.
9. the terminal controlling media play information as described in any one in claim 6 to 8, it is characterised in that also include:
Obtain characteristic module, for obtaining the preset characteristic being stored in property data base, wherein, described characteristic includes compromising feature data, terrified characteristic, dirty word characteristic, the bloody characteristic of violence and/or nude and adult's characteristic.
10. control the terminal of media play information as claimed in claim 7 or 8, it is characterised in that the step of described fuzzy matching includes: obtain described video data and/or the key frame data of described voice data；
Characteristic is extracted from described key frame data；
Described characteristic and preset characteristic are contrasted.
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