CN108012189B - Live channel identification method and system of smart television - Google Patents
Live channel identification method and system of smart television Download PDFInfo
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- CN108012189B CN108012189B CN201710239477.9A CN201710239477A CN108012189B CN 108012189 B CN108012189 B CN 108012189B CN 201710239477 A CN201710239477 A CN 201710239477A CN 108012189 B CN108012189 B CN 108012189B
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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
- H04N21/43—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
- H04N21/441—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card
- H04N21/4415—Acquiring end-user identification, e.g. using personal code sent by the remote control or by inserting a card using biometric characteristics of the user, e.g. by voice recognition or fingerprint scanning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
Abstract
The invention relates to a live channel identification method and a live channel identification system of an intelligent television, which comprise the following steps: acquiring a control parameter file of the identification method when the terminal is networked; checking whether an identification function is opened or not according to a control parameter file of the identification method of the terminal; the current display interface of the terminal is subjected to screen capture, and a captured image is stored; and capturing a screen according to the current interface, comparing fingerprints, and finally confirming that the result of the identification parameter of the terminal station logo is consistent with that of the identification parameter of the live broadcast cloud, so as to finish the final identification of the live broadcast channel. The invention aims at different terminal devices, combines different hardware characteristics, carries out strategic identification method and obtains higher identification accuracy.
Description
Technical Field
The invention belongs to an intelligent television terminal, comprises a linux-like system intelligent television, and particularly relates to a method and a system for identifying a channel of a live scene of the intelligent television.
Background
How to operate a system to acquire a live broadcast channel of a television terminal through a convenient, simple and effective live broadcast identification method is a main problem in some key popularization of the smart television industry at present.
In order to solve the problem, some manufacturers at home and abroad also provide some technical products, which can be divided into two categories in terms of functions and forms: the first type is that station caption fingerprint identification is carried out at a terminal, and a current channel is obtained through comparison of collected station caption data fingerprints. The second category is live recognition for overall live screenshots.
For station logo identification, since there are many channels (there may be thousands) faced by station logo identification, false identification is very likely to occur when similar station logos are identified.
For live broadcast identification, the identification has the problem of long identification period due to the fact that terminal cloud end interaction is involved. In addition, the two methods have certain error recognition rate in similar station caption and homologous rebroadcasting scenes. The existing technical scheme has the condition of high error recognition rate due to single comparison, and has business risks both when the audience rating of the user is analyzed and when the user is accurately recommended.
Disclosure of Invention
The invention aims to provide a live channel identification method of an intelligent television, which aims at different terminal devices and combines different hardware characteristics to carry out a strategic identification method so as to obtain higher identification accuracy. The invention aims to provide a live channel identification system of an intelligent television.
In order to achieve the purpose, the invention has the following technical scheme:
the live channel identification method of the smart television comprises the steps of:
A. Acquiring a control parameter file of the identification method when the terminal is networked, wherein the control parameter file of the identification method comprises the following steps: whether the identification is started or not, timing the time interval parameter of the identification, starting the station caption identification parameter, identifying the threshold value, and starting the live broadcast cloud identification parameter;
B. checking whether an identification function is opened or not according to a control parameter file of the identification method of the terminal, and if the identification function is marked as true, starting C every time interval of parameter duration;
C. the current display interface of the terminal is subjected to screen capture, and a captured image is stored; according to the station caption identification parameters, if the local station caption identification parameters are opened, performing screenshot on a specific area of a current interface, according to images of the station caption area, combining a local station caption fingerprint library for identification and comparison, if the local station caption identification result is greater than an identification threshold value, judging that a current channel is a channel corresponding to the identified station caption, after the steps are completed, judging whether live broadcast cloud identification parameters are started, if the live broadcast cloud identification parameters are started, and if the similarity falls into an in-doubt interval, entering D;
D. and C, fingerprint extraction is carried out according to the current interface screen capture, the current fingerprint of the terminal is submitted to the cloud, fingerprint comparison is carried out by the cloud according to a fingerprint library acquired by the current live broadcast channel monitored in real time, a result of identifying the current channel is issued to the terminal after comparison, the terminal combines the identification result of the step D according to the step C, and if the identification results of the step C and the step D are consistent, the table mark identification parameter of the terminal is finally confirmed to be consistent with the identification parameter result of the live broadcast cloud, and the final identification of the live broadcast channel is completed.
Wherein:
before the step A, the method further comprises the following steps:
a0, registering the client software to the intelligent television for identifying software;
a1, installing a station logo fingerprint database in the smart television.
Wherein:
before the step A, the method further comprises the following steps:
b0, a set of live channel station logo fingerprint libraries is built and dynamically maintained at the cloud, the current latest station logo fingerprint library is obtained when the terminal is started, and the terminal fingerprint identification is carried out in the step C.
Wherein:
before the step A, the method further comprises the following steps:
c0, a set of monitoring and broadcasting system needing live broadcasting cloud identification is built at the cloud, continuous screenshots of the current monitoring and broadcasting channel are obtained, a fingerprint flow reservoir corresponding to each screenshot of each channel is obtained, comparison is carried out according to terminal screenshot fingerprints sent out in the terminal D step, and channel attribution of the live broadcasting cloud identification can be obtained.
The live channel identification system of the smart television comprises:
Identifying a software module:
the networking upgrading identification software module: the software upgrading system is used for checking whether the identified software version needs upgrading or not through the identified software;
platform logo fingerprint library module: the image is stored by the cloud and used for identification and comparison according to the image of the station caption area;
platform mark fingerprint storehouse upgrading module: the system is used for checking whether the current station logo fingerprint database needs to be upgraded or not;
a control parameter file module: the method comprises the steps of judging whether to start identification or not, starting station logo identification parameters and identification thresholds according to time interval parameters of timing identification, and starting live broadcast cloud identification parameters;
a screen capture module: judging whether the television is started or not according to the station caption identification parameters, if so, starting an identification action according to a timing strategy, and performing screen capture;
the local station logo identification and acquisition result unit: the system comprises a local station caption identification parameter acquisition unit, a local station caption identification parameter acquisition unit and a local station caption identification parameter acquisition unit, wherein the local station caption identification parameter acquisition unit is used for acquiring a local station caption identification parameter;
acquiring a live broadcast cloud identification result unit: the live broadcast cloud identification system is used for judging whether live broadcast cloud identification is started or not, if so, starting live broadcast cloud identification parameters and acquiring a cloud identification result;
finally, a live broadcast cloud identification parameter result judgment unit is completed: the system comprises a local station logo identification and acquisition result unit and a live broadcast cloud identification result unit, and is used for finally finishing the judgment of the live broadcast cloud identification parameter result by combining judgment conditions according to the identification results of the local station logo identification and acquisition result unit and the live broadcast cloud identification result unit;
the identification software module is linked with the networking upgrading identification software module, the networking upgrading identification software module is linked with the station logo fingerprint library upgrading module, the station logo fingerprint library upgrading module is respectively linked with the station logo fingerprint library module and the control parameter file module, the control parameter file module is linked with the screen capture module, the screen capture module is linked with the local station logo identification acquisition result unit, the local station logo identification acquisition result unit is linked with the live broadcast cloud identification result acquisition unit, the live broadcast cloud identification result acquisition unit is linked with the live broadcast cloud identification parameter result judgment unit which is finally completed.
Wherein:And the combination judgment condition is to confirm that the results of the identification parameters of the terminal station logo and the identification parameters of the live broadcast cloud are consistent, so that the final identification result of the live broadcast channel is completed.
Due to the adoption of the technical scheme, the invention has the advantages that:
1. the invention provides a novel live broadcast channel identification method which is characterized in that the method is characterized in that a cloud dynamic acquisition of a control parameter file of the identification method and a dynamic acquisition of a station caption sample library are carried out, a terminal station caption identification result and a cloud live broadcast identification result are comprehensively compared, the identification result is judged after a certain threshold value is reached, the identification rate is greatly improved, and the error identification rate is reduced.
2. The invention adopts a dynamic strategy, can configure different identification configuration parameters under different scenes aiming at different terminal hardware, and has both flexibility and reliability in actual operation.
Drawings
Fig. 1 is a schematic diagram of the general structure of the present invention.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1:
the live channel identification method of the intelligent television comprises the steps of:
A. Acquiring a control parameter file of the identification method when the terminal is networked, wherein the control parameter file of the identification method comprises the following steps: whether the identification is started or not, timing the time interval parameter of the identification, starting the station caption identification parameter, identifying the threshold value, and starting the live broadcast cloud identification parameter;
B. checking whether an identification function is opened or not according to a control parameter file of the identification method of the terminal, and if the identification function is marked as true, starting C every time interval of parameter duration;
C. the current display interface of the terminal is subjected to screen capture, and a captured image is stored; according to the station caption identification parameters, if the local station caption identification parameters are opened, performing screenshot on a specific area of a current interface, according to images of the station caption area, combining a local station caption fingerprint library for identification and comparison, if the local station caption identification result is greater than an identification threshold value, judging that a current channel is a channel corresponding to the identified station caption, after the steps are completed, judging whether live broadcast cloud identification parameters are started, if the live broadcast cloud identification parameters are started, and if the similarity falls into an in-doubt interval, entering D;
D. and C, fingerprint extraction is carried out according to the current interface screen capture, the current fingerprint of the terminal is submitted to the cloud, fingerprint comparison is carried out by the cloud according to a fingerprint library acquired by the current live broadcast channel monitored in real time, a result of identifying the current channel is issued to the terminal after comparison, the terminal combines the identification result of the step D according to the step C, and if the identification results of the step C and the step D are consistent, the table mark identification parameter of the terminal is finally confirmed to be consistent with the identification parameter result of the live broadcast cloud, and the final identification of the live broadcast channel is completed.
Wherein:
before the step A, the method further comprises the following steps:
a0, registering the client software to the intelligent television for identifying software;
a1, installing a station logo fingerprint database in the smart television.
Wherein:
before the step A, the method further comprises the following steps:
b0, a set of live channel station logo fingerprint libraries is built and dynamically maintained at the cloud, the current latest station logo fingerprint library is obtained when the terminal is started, and the terminal fingerprint identification is carried out in the step C.
Wherein:
before the step A, the method further comprises the following steps:
c0, a set of monitoring and broadcasting system needing live broadcasting cloud identification is built at the cloud, continuous screenshots of the current monitoring and broadcasting channel are obtained, a fingerprint flow reservoir corresponding to each screenshot of each channel is obtained, comparison is carried out according to terminal screenshot fingerprints sent out in the terminal D step, and channel attribution of the live broadcasting cloud identification can be obtained.
The live channel identification system of the smart television comprises:
Identifying a software module:
the networking upgrading identification software module: the software upgrading system is used for checking whether the identified software version needs upgrading or not through the identified software;
platform logo fingerprint library module: the image is stored by the cloud and used for identification and comparison according to the image of the station caption area;
platform mark fingerprint storehouse upgrading module: the system is used for checking whether the current station logo fingerprint database needs to be upgraded or not;
a control parameter file module: the method comprises the steps of judging whether to start identification or not, starting station logo identification parameters and identification thresholds according to time interval parameters of timing identification, and starting live broadcast cloud identification parameters;
a screen capture module: judging whether the television is started or not according to the station caption identification parameters, if so, starting an identification action according to a timing strategy, and performing screen capture;
the local station logo identification and acquisition result unit: the system comprises a local station caption identification parameter acquisition unit, a local station caption identification parameter acquisition unit and a local station caption identification parameter acquisition unit, wherein the local station caption identification parameter acquisition unit is used for acquiring a local station caption identification parameter;
acquiring a live broadcast cloud identification result unit: the live broadcast cloud identification method comprises the steps of judging whether live broadcast fingerprint identification is started or not, if so, starting a live broadcast cloud identification parameter, and acquiring a cloud identification result;
finally, a live broadcast cloud identification parameter result judgment unit is completed: the system comprises a local station logo identification and acquisition result unit and a live broadcast cloud identification result unit, and is used for finally finishing the judgment of the live broadcast cloud identification parameter result by combining judgment conditions according to the identification results of the local station logo identification and acquisition result unit and the live broadcast cloud identification result unit;
the identification software module is linked with the networking upgrading identification software module, the networking upgrading identification software module is linked with the station logo fingerprint library upgrading module, the station logo fingerprint library upgrading module is respectively linked with the station logo fingerprint library module and the control parameter file module, the control parameter file module is linked with the screen capture module, the screen capture module is linked with the local station logo identification acquisition result unit, the local station logo identification acquisition result unit is linked with the live broadcast cloud identification result acquisition unit, the live broadcast cloud identification result acquisition unit is linked with the live broadcast cloud identification parameter result judgment unit which is finally completed.
And the combination judgment condition is to confirm that the results of the identification parameters of the terminal station logo and the identification parameters of the live broadcast cloud are consistent, so as to finish the final identification result of the live broadcast channel. Station caption identification parameters are as follows: 1) the local station logo identification result is greater than 0.98; 2) the local station logo recognition result > is 0.95and the live broadcast recognition reliability > is 0.95.
Identifying software: the software is installed on the smart television terminal and is used as main software running in the terminal for channel identification, and mainly realizes functions of configuration analysis, screenshot, fingerprint identification, communication and the like.
Cloud: the method comprises the steps of allocating combined identification software, deploying running software at an internet platform server side, and comprising modules for terminal identification configuration management, station caption sample management, live broadcast acquisition, fingerprint identification and the like.
The invention establishes a live channel identification method and a live channel identification system of a network-enabled smart television, and the live channel identification method and the live channel identification system are triggered by a cloud issuing strategy; the terminal captures a screen of a current display interface of the intelligent television according to a strategy and a fingerprint library dynamically issued by the cloud, and identifies a comprehensive strategy of combining station mark identification and live broadcast identification on a captured image to obtain a television station identification result corresponding to a current live broadcast channel of the intelligent television.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (2)
1. A live channel identification system of an intelligent television is characterized by comprising:
identifying a software module;
the networking upgrading identification software module: the software upgrading system is used for checking whether the identified software version needs upgrading or not through the identified software;
platform logo fingerprint library module: the image is stored by the cloud and used for identification and comparison according to the image of the station caption area;
platform mark fingerprint storehouse upgrading module: the system is used for checking whether the current station logo fingerprint database needs to be upgraded or not;
a control parameter file module: the method comprises the steps of judging whether station caption identification parameters are started or not, timing identification time interval parameters, starting local station caption identification parameters, identifying a threshold value and starting live broadcast cloud identification parameters;
a screen capture module: judging whether the television is started or not according to the station caption identification parameters, if so, triggering an identification action according to a timing strategy to capture a screen;
the local station logo identification and acquisition result unit: the system comprises a local station caption identification parameter acquiring module, a local station caption identification parameter acquiring module and a local station caption identification parameter acquiring module, wherein the local station caption identification parameter acquiring module is used for judging whether to start a local station caption identification parameter or not, and if so, starting a local station caption identification parameter;
acquiring a live broadcast cloud identification result unit: the live broadcast cloud identification system is used for judging whether live broadcast cloud identification is started or not, if so, starting live broadcast cloud identification parameters and acquiring a cloud identification result;
finally, a live broadcast cloud identification parameter result judgment unit is completed: the system comprises a local station logo identification and acquisition result unit and a live broadcast cloud identification result unit, and is used for finally finishing the judgment of the live broadcast cloud identification parameter result by combining judgment conditions according to the identification results of the local station logo identification and acquisition result unit and the live broadcast cloud identification result unit;
the identification software module is linked with the networking upgrading identification software module, the networking upgrading identification software module is linked with the station logo fingerprint library upgrading module, the station logo fingerprint library upgrading module is respectively linked with the station logo fingerprint library module and the control parameter file module, the control parameter file module is linked with the screen capture module, the screen capture module is linked with the local station logo identification and acquisition result unit, the local station logo identification and acquisition result unit is linked with the live broadcast cloud identification result acquisition unit, and the live broadcast cloud identification result acquisition unit is linked with the final live broadcast cloud identification parameter result judgment unit;
the live channel identification system of the intelligent television can execute a live channel identification method of the intelligent television, and the method comprises the following steps:
A. acquiring a control parameter file of the identification method when the terminal is networked, wherein the control parameter file of the identification method comprises the following steps: whether station logo identification is started or not, time interval parameters of timing identification, local station logo identification parameters, identification threshold value and live broadcast cloud identification are started
Distinguishing parameters;
B. checking whether a station caption identification function is opened or not according to a control parameter file of the identification method of the terminal, and if the station caption identification function is true, starting C every time interval parameter duration;
C. the current display interface of the terminal is subjected to screen capture, and a captured image is stored; according to the local station logo identification parameters, if the local station logo identification parameters are opened, a specific area screenshot of a current interface is carried out, according to images of station logo areas, identification comparison is carried out by combining a local station logo fingerprint library, after the steps are completed, the local station logo identification result is judged, if the local station logo identification result is larger than an identification threshold value, namely the local station logo identification result is larger than 0.98, the current channel is judged to be a channel corresponding to the station logo identified by the local station logo, if the local station logo identification result falls into a storage doubt space, namely the local station logo identification result is larger than 0.95, whether live broadcast identification parameters are started or not is judged, and if the live broadcast identification parameters are started, the step D is carried out;
D. and C, fingerprint extraction is carried out according to the current interface screen capture, the current fingerprint of the terminal is submitted to the cloud, fingerprint comparison is carried out by the cloud according to a fingerprint library acquired by the current live broadcast channel monitored in real time, a result of identifying the current channel is issued to the terminal after comparison, the terminal combines the identification result of the step D according to the step C, and if the identification results of the step C and the step D are consistent, the table mark identification parameter of the terminal is finally confirmed to be consistent with the identification parameter result of the live broadcast cloud, and the final identification of the live broadcast channel is completed.
2. The live channel identification system of the smart television as claimed in claim 1, wherein the combination determination condition is to confirm that the result of the terminal logo identification parameter is consistent with the result of the live cloud identification parameter, thereby completing the determination of the final identification result of the live channel.
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