CN102223581B - Video program searching method and video playing terminal - Google Patents
Video program searching method and video playing terminal Download PDFInfo
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- CN102223581B CN102223581B CN 201110176716 CN201110176716A CN102223581B CN 102223581 B CN102223581 B CN 102223581B CN 201110176716 CN201110176716 CN 201110176716 CN 201110176716 A CN201110176716 A CN 201110176716A CN 102223581 B CN102223581 B CN 102223581B
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Abstract
The invention is applicable to the technical field of communication and provides a video program searching method and a video playing terminal. The method comprises the following steps of: acquiring an image; extracting video program information from the image; and searching a video program corresponding to the video program information; or preferably, the method comprises the following steps of: prestoring a mapping table containing a corresponding relationship between a television channel logo and a television channel in the video playing terminal; comparing an effective television channel logo extracted from the image with the mapping table to find out the television channel corresponding to the effective television channel logo; and searching the video program of the television channel; and more preferably, the method comprises the following steps of: acquiring a program list of the television channel; determining the corresponding video program in the image according to the program list of the television channel and the image generating time; and searching the video program. By the method, the video program can be searched automatically and quickly, so that a user can acquire a video program to be watched conveniently and quickly.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and video playing terminal of searching for video frequency program.
Background technology
On the video playing terminal such as existing mobile phone, intelligent television (smart TV), when the user need to watch the video frequency programs such as program of certain television channel, need to first know this video program information, then manually searched for or switch, just can watch.For example on mobile phone, if the user uses CMMB (China Mobile Multimedia Broadcasting, China Mobile multimedia broadcasting) to watch the program of certain television channel, manual operation just can play; If internet television, want first manually searching programs inventory, and then click and watch; So not only trouble but also efficient are low.
In summary, the search technique of existing video frequency program obviously exists inconvenience and defective, in actual use so be necessary to be improved.
Summary of the invention
For above-mentioned defective, the object of the present invention is to provide a kind of method and video playing terminal of searching for video frequency program, it can automatically, promptly search for video frequency program.
To achieve these goals, the invention provides a kind of method of searching for video frequency program, comprise that step is as follows:
Obtain image;
Extract video program information from described image;
Search for video frequency program corresponding to described video program information.
According to the method for search video frequency program of the present invention, the described step of obtaining image comprises: take and obtain described image, perhaps obtain described image from external data source.
The described step of obtaining image also comprises: the rise time of obtaining described image.
According to the method for search video frequency program of the present invention, described video program information is TV channel station mark, television channel name, video frequency program title, website logo and/or website.
According to the method for search video frequency program of the present invention, the described step of obtaining image also comprises before: prestoring includes the mapping table of TV channel station mark and television channel corresponding relation;
The described step of extracting video program information from image comprises: judge whether there is effective TV channel station mark in described image by image recognition, extract described effective TV channel station mark if exist from described image, otherwise prompting can not search corresponding television channel;
The step of the video frequency program that described search video program information is corresponding comprises: effective TV channel station mark and the described mapping table that will extract from described image are compared, find out television channel corresponding to described effective TV channel station mark, and search for the video frequency program of described television channel.
Preferably, the step of the video frequency program that described search video program information is corresponding also comprises: the program inventory of obtaining described television channel, determine video frequency program corresponding in described image according to the program inventory of this television channel and the rise time of image, and search for described video frequency program.
The present invention also provides a kind of video playing terminal, includes:
Image collection module is used for obtaining image;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used for searching for video frequency program corresponding to described video program information.
According to video playing terminal of the present invention, described image collection module includes:
The shooting submodule is used for obtaining described image by shooting; And/or
The data receiver submodule is used for obtaining described image from external data source.
Preferably, described image collection module is also for the rise time of obtaining described image.
According to video playing terminal of the present invention, described video program information is TV channel station mark, television channel name, video frequency program title, website logo and/or website.
According to video playing terminal of the present invention, described video playing terminal also comprises memory module, and described memory module is used for prestoring including the mapping table of TV channel station mark and television channel corresponding relation.
Described information extraction modules is used for judging by image recognition whether described image exists effective TV channel station mark, extract described effective TV channel station mark if exist from described image, otherwise prompting can not search corresponding television channel.
Described program searching module further comprises:
The channel search submodule is used for and will compares from effective TV channel station mark and described mapping table that described image extracts, finds out television channel corresponding to described effective TV channel station mark;
The program searching submodule is used for determining according to the program inventory of this television channel and the rise time of image the video frequency program that described image is corresponding, and searches for described video frequency program.
Preferably, described program searching module also comprises:
Program inventory is obtained submodule, is used for obtaining the program inventory of described television channel.
The invention provides a kind of system of searching for video frequency program, comprise video playing terminal and video server.
Described video playing terminal further comprises:
Image collection module is used for obtaining image;
The image sending module is used for image is sent to video server;
The program acquisition module is for the program searching result of obtaining video server.
Described video server further comprises:
The image receiver module is used for the image that the receiver, video playback terminal sends;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used for searching for video frequency program corresponding to described video program information;
Feedback module is used for to video playing terminal feedback search result.
According to the system of search video frequency program of the present invention, described image collection module includes:
The shooting submodule is used for obtaining described image by shooting; And/or
The data receiver submodule is used for obtaining described image from external data source.
Preferably, described image collection module is also for the rise time of obtaining described image.
According to the system of search video frequency program of the present invention, described video program information is TV channel station mark, television channel name, video frequency program title, website logo and/or website.
According to the system of search video frequency program of the present invention, described video server also comprises memory module, and described memory module is used for prestoring including the mapping table of TV channel station mark and television channel corresponding relation;
Described information extraction modules is used for judging by image recognition whether described image exists effective TV channel station mark, extract described effective TV channel station mark if exist from described image, otherwise prompting can not search corresponding television channel.
Described program searching module further comprises:
The channel search submodule is used for and will compares from effective TV channel station mark and described mapping table that described image extracts, finds out television channel corresponding to described effective TV channel station mark;
The program searching submodule is used for determining according to program inventory and the image rise time of this television channel the video frequency program that described image is corresponding, and searches for described video frequency program.
Preferably, described program searching module also comprises:
Program inventory is obtained submodule, is used for obtaining the program inventory of described television channel.
The present invention is by increasing image identification function on video playing terminal, obtain such as after the images such as television image, extract video program information by image recognition technology from described image, described video program information is preferably TV channel station mark, television channel name, video frequency program title, website logo and/or website etc., and can search for quickly and automatically video frequency program corresponding to described video program information, in order to allow the user obtain quickly and easily to want the video frequency program of watching, can avoid the user is that the search video frequency program expends plenty of time and energy.Preferably, can prestore in video playing terminal and include the mapping table of TV channel station mark and television channel corresponding relation, and effective TV channel station mark that will extract from image and described mapping table compare, and can find rapidly described effective TV channel station mark corresponding television channel and video frequency program thereof; Further, obtain the program inventory of described television channel, determine video frequency program corresponding in image according to the program inventory of this television channel and image rise time, and search for described video frequency program, that described two kinds of optimal technical scheme realize is simple, search speed is faster and cost is low.
Description of drawings
Fig. 1 is the structural representation of video playing terminal of the present invention;
Fig. 2 is the structural representation of the video playing terminal in the preferred embodiment of the present invention;
Fig. 3 is the method flow diagram that the present invention searches for video frequency program; And
Fig. 4 is the method flow diagram of search video frequency program in first embodiment of the invention; And
Fig. 5 is the method flow diagram of search video frequency program in second embodiment of the invention;
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows the structure of video playing terminal of the present invention, and described video playing terminal 100 includes image collection module 10, information extraction modules 20, program searching module 30 at least, wherein:
Be pointed out that, described video playing terminal 100 can be mobile phone, computer, TV etc., it is preferably the handheld video playback terminal, and 100 reality of the video playing terminal in Fig. 1 of the present invention also can comprise the master controller for control and the coordination of complete machine work; The memory that is used for storage figure, image, video content and other data messages; The multimedia processing module that is used for the encoding and decoding of responsible multimedia file; The display that is used for the output of video, picture material; Be used to video playing terminal 100 that the communication module of data communication facility is provided; Be used for to receive user's the communication module of input instruction and input equipment etc., because it is technology well known in the art, therefore repeat no more in the present embodiment.And the image collection module 10 of video playing terminal 100 of the present invention, information extraction modules 20, program searching module 30 can be the software units that is built in video playing terminal 100, hardware cell or software and hardware combining unit.
Key of the present invention is to have increased image identification function on video playing terminal 100, extract video program information in image by image recognition, then can search for automatically and quickly video frequency program corresponding to this video program information, in order to allow the user obtain quickly and easily to want the programme content of watching.
In fact, video playing terminal 100 also can increase the functions such as image recognition, but allows the video server in network realize the correlation functions such as image recognition, searching programs.
The present invention also provides a kind of system of searching for video frequency program, comprises video playing terminal and video server.
Described video playing terminal further comprises:
Image collection module is used for obtaining image;
The image sending module is used for image is sent to video server;
The program acquisition module is for the program searching result of obtaining video server.
Described video server further comprises:
The image receiver module is used for the image that the receiver, video playback terminal sends;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used for searching for video frequency program corresponding to described video program information;
Feedback module is used for to video playing terminal feedback search result.
In another embodiment of the present invention, after video playing terminal 100 gets image by image collection module, the image sending module with image uploading to video server; The image receiver module of video server receives described image, and information extraction modules is extracted the video program informations such as TV channel station mark from described image; After video frequency program corresponding to program searching block search video program information, by feedback module with result feedback to video playing terminal 100.So also can realize searching for automatically and quickly video frequency program corresponding to this video program information, at this moment video playing terminal 100 adopts the ordinary video playback terminals can and not need to carry out function to revise, thus implement more easy.
Fig. 2 is the structural representation of the video playing terminal in the preferred embodiment of the present invention, in first embodiment of the invention, described video playing terminal 100 is except including image collection module 10, information extraction modules 20, program searching module 30, also can further comprise memory module 40, program playing module 50, wherein:
Fig. 2 is the structural representation of the video playing terminal in the preferred embodiment of the present invention, and different from described the first embodiment is, the program searching module 30 in second embodiment of the invention also includes program inventory and obtains submodule 33, wherein:
Program inventory is obtained submodule 33, is used for obtaining the program inventory of television channel, and described program inventory is obtained submodule 33 can obtain the program inventory of television channel in real time from network, also can obtain in advance and preserve described program inventory.
Fig. 3 shows the method flow that the present invention searches for video frequency program, and described method can be by realizing as Fig. 1 or video playing terminal shown in Figure 2 100, and described method comprises that at least step is as follows:
Step S301 obtains at least one image, and this step can be realized by image collection module 10.Preferably, this step can first be obtained at least one video, then intercepts at least one described image in described video.
Step S302, extract video program information from the image that obtains, described video program information is preferably TV channel station mark, television channel name, video frequency program title, website logo and/or website etc., and this step can be realized by information extraction modules 20.
Step S303, video frequency program corresponding to search video program information, this step can be realized by program searching module 30.
Fig. 4 is the method flow diagram of search video frequency program in first embodiment of the invention, and the method can be by video playing terminal 100 realizations as shown in Figure 2, and described method comprises that step is as follows:
Step S401, prestoring includes the mapping table of TV channel station mark and television channel corresponding relation, and this step can be realized by memory module 40.
Step S402 obtains at least one image, and this step can be realized by image collection module 10.Preferably, video playing terminal 100 can be taken by the shooting submodule 11 that carries and be obtained image, perhaps obtain image from external data source, namely obtain image by data receiver submodule 12 from external data sources such as external equipment, networks, for example receive the image in camera, website by the Internet, microblogging, forum etc. download described image, obtain described image etc. by the note of mobile communications network.
Step S403 judges whether there is effective TV channel station mark in described image by image recognition, if there is execution in step S404, otherwise execution in step S407, this step can be realized by information extraction modules 20.
Step S404 extracts described effective TV channel station mark from image, this step can be realized by information extraction modules 20.
Step S405, effective TV channel station mark and the described mapping table that will extract from image are compared, find out television channel corresponding to described effective TV channel station mark, for example find out Phoenix Satellite TV corresponding to Phoenix Satellite TV station symbol, this step can be realized by channel search submodule 31.
Step S406, and the video frequency program of television channel searching, this step can be realized by program searching submodule 32.Can also comprise the video frequency program of playing described television channel after this step, can be realized by program playing module 50.In this step, can automatically play corresponding video frequency program, also can instruction further according to the user play corresponding video frequency program.
Step S407 if there is not effective TV channel station mark in image, can not search corresponding television channel to user's prompting.
A concrete application example of the present invention: if the user passes through the football match of television-viewing excellence at home, be in a hurry and will go out this moment, and the user just can take with other video playing terminal of carrying 100 such as mobile phones the width television image that the TV channel is play before going out; When outside the space being arranged Deng the user, can take out mobile phone, according to the television image automatic search television channel that takes, then proceed to watch football match, remove from and manually searched the spent time and efforts of television channel.
Fig. 5 is the method flow diagram of search video frequency program in second embodiment of the invention, and the method can be by video playing terminal 100 realizations as shown in Figure 2, and described method comprises that step is as follows:
Step S501, prestoring includes the mapping table of TV channel station mark and television channel corresponding relation, and this step can be realized by memory module 40.
Step S502, the rise time of obtaining at least one image and described image, the rise time of described image refers to generate the initial time of this image, and this step can be realized by image collection module 10.Preferably, video playing terminal 100 can be taken by the shooting submodule 11 that carries and be obtained image, perhaps obtains image from external data source, namely obtains image by data receiver submodule 12 from external data sources such as external equipment, networks.
Step S503 judges whether there is effective TV channel station mark in described image by image recognition, if there is execution in step S504, otherwise execution in step S508, this step can be realized by information extraction modules 20.
Step S504 extracts described effective TV channel station mark from image, this step can be realized by information extraction modules 20.
Step S505, effective TV channel station mark and the described mapping table that will extract from image are compared, and find out television channel corresponding to described effective TV channel station mark, and this step can be realized by channel search submodule 31.
Step S506 obtains the program inventory of television channel corresponding to described effective TV channel station mark, and this step can be obtained submodule 33 by program inventory and realize.Each television channel or video website can be issued the program inventory for the video frequency program of advance notice, and can obtain in real time the program inventory of television channel from network in this step, also can obtain in advance and preserve described program inventory.
Step S507 determines video frequency program corresponding in image according to the program inventory of this television channel and the rise time of image, and the search video frequency program, and this step can be realized by program searching submodule 32.Owing to having known television channel corresponding in image in step S505, can know according to the rise time of image the video program content that definite television channel is at that time play from the program inventory of described television channel so.Can also comprise the video frequency program of playing described television channel after this step, can be realized by program playing module 50.In this step, can automatically play corresponding video frequency program, also can instruction further according to the user play corresponding video frequency program.
Step S508 if there is not effective TV channel station mark in image, can not search corresponding television channel to user's prompting.
in sum, the present invention is by increasing image identification function on video playing terminal, obtain such as after the images such as television image, extract video program information by image recognition technology from described image, described video program information is preferably TV channel station mark, television channel name, the video frequency program title, website logo and/or website etc., and can be quick, automatically search for video frequency program corresponding to described video program information, in order to allow the user obtain quickly and easily to want the video frequency program of watching, can avoid the user is that the search video frequency program expends plenty of time and energy.Preferably, can prestore in video playing terminal and include the mapping table of TV channel station mark and television channel corresponding relation, and effective TV channel station mark that will extract from image and described mapping table compare, and can find rapidly described effective TV channel station mark corresponding television channel and video frequency program thereof; Further, obtain the program inventory of described television channel, determine video frequency program corresponding in image according to the program inventory of this television channel and the rise time of image, and search for described video frequency program, described two kinds of optimal technical scheme realize simply, search speed is faster and cost is low.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (4)
1. a method of searching for video frequency program, is characterized in that, described method comprises that step is as follows:
Prestore and include the mapping table of TV channel station mark and television channel corresponding relation;
Obtain the rise time of image and described image;
Judge whether there is effective TV channel station mark in described image by image recognition, extract described effective TV channel station mark if exist from described image, otherwise prompting can not search corresponding television channel; Effective TV channel station mark and the described mapping table that will extract from described image are compared, find out television channel corresponding to described effective TV channel station mark, and obtain the program inventory of described television channel, determine video frequency program corresponding in described image according to the program inventory of this television channel and the rise time of image, and search for described video frequency program.
2. the method for search video frequency program according to claim 1, is characterized in that, the described step of obtaining image comprises: take and obtain described image, perhaps obtain described image from external data source.
3. a video playing terminal, is characterized in that, includes:
Memory module, being used for prestores includes the mapping table of TV channel station mark and television channel corresponding relation;
Image collection module is used for the rise time of obtaining described image and described image;
Information extraction modules is used for judging by image recognition whether described image exists effective TV channel station mark, extract described effective TV channel station mark if exist from described image, otherwise prompting can not search corresponding television channel;
The program searching module, and described program searching module further comprises:
The channel search submodule is used for and will compares from effective TV channel station mark and described mapping table that described image extracts, finds out television channel corresponding to described effective TV channel station mark;
Program inventory is obtained submodule, is used for obtaining the program inventory of described television channel;
The program searching submodule is used for determining according to the program inventory of this television channel and the rise time of image the video frequency program that described image is corresponding, and searches for described video frequency program.
4. video playing terminal according to claim 3, is characterized in that, described image collection module includes:
The shooting submodule is used for obtaining described image by shooting; And/or
The data receiver submodule is used for obtaining described image from external data source.
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