CN102223581A - Video program searching method and video playing terminal - Google Patents
Video program searching method and video playing terminal Download PDFInfo
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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 existing mobile phone, the intelligent television video playing terminal such as (smart TV), when the user need watch the video frequency programs such as program of certain television channel, need know this video program information earlier, manually be searched for then or switch, just can watch.For example on mobile phone,, manual operation just can play if the user uses CMMB (China Mobile Multimedia Broadcasting, China Mobile multimedia broadcasting) to watch the program of certain television channel; If internet television, then want earlier manually search program 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, so be necessary to be improved on reality is used.
Summary of the invention
At 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;
From described image, extract video program information;
Search for the video frequency program of described video program information correspondence.
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 the described image by image recognition, then from described image, extract described effective TV channel station mark if exist, otherwise prompting can not search corresponding television channel;
The step of the video frequency program of described search video program information correspondence comprises: the effective TV channel station mark and the described mapping table that will extract from described image are compared, find out the television channel of described effective TV channel station mark correspondence, and search for the video frequency program of described television channel.
Preferably, the step of the video frequency program of described search video program information correspondence also comprises: the program inventory of obtaining described television channel, determine video frequency program corresponding in the 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 to obtain image;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used to search for the video frequency program of described video program information correspondence.
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 Receiving submodule is used for obtaining described image from external data source.
Preferably, described image collection module also is used to obtain the rise time of 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 to prestore and includes 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, then 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, the effective TV channel station mark and the described mapping table that are used for extracting from described image are compared, and find out the television channel of described effective TV channel station mark correspondence;
The program searching submodule is used for determining the video frequency program that described image is corresponding according to the program inventory of this television channel and the rise time of image, and searches for described video frequency program.
Preferably, described program searching module also comprises:
Program inventory is obtained submodule, is used to obtain 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 to obtain image;
The image sending module is used for image is sent to video server;
The program acquisition module is used to obtain the program searching result of video server.
Described video server further comprises:
The image receiver module is used for the image that the receiver, video playback terminal is sent;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used to search for the video frequency program of described video program information correspondence;
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 Receiving submodule is used for obtaining described image from external data source.
Preferably, described image collection module also is used to obtain the rise time of 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 to prestore and includes 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, then 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, the effective TV channel station mark and the described mapping table that are used for extracting from described image are compared, and find out the television channel of described effective TV channel station mark correspondence;
The program searching submodule is used for determining the video frequency program that described image is corresponding according to the program inventory and the image rise time of this television channel, and searches for described video frequency program.
Preferably, described program searching module also comprises:
Program inventory is obtained submodule, is used to obtain the program inventory of described television channel.
The present invention is by increasing image identification function on video playing terminal, after for example obtaining image such as television image, from described image, extract video program information by image recognition technology, 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 the video frequency program of described video program information correspondence quickly and automatically, so that 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 a large amount of time and efforts.Preferably, can prestore in the 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 the television channel and the video frequency program thereof of described effective TV channel station mark correspondence rapidly; Further, obtain the program inventory of described television channel, program inventory and image rise time according to this television channel are determined video frequency program corresponding in the image, and search for described video frequency program, and described two kinds of optimal technical scheme realize simply, 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 the first embodiment of the invention; And
Fig. 5 is the method flow diagram of search video frequency program in the second embodiment of the invention;
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification 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 among Fig. 1 of the present invention also can comprise the control that is used for complete machine work and the master controller of coordination; The memory that is used for graphics, 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 to receive user's the communication module of input instruction and input equipment etc., because it is a technology well known in the art, so 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 the image by image recognition, can search for the video frequency program of this video program information correspondence automatically and quickly then, so that allow the user obtain quickly and easily to want the programme content of watching.
In fact, video playing terminal 100 also can increase functions such as image recognition, but allows the video server in the network realize correlation functions such as image recognition, search program.
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 to obtain image;
The image sending module is used for image is sent to video server;
The program acquisition module is used to obtain the program searching result of video server.
Described video server further comprises:
The image receiver module is used for the image that the receiver, video playback terminal is sent;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used to search for the video frequency program of described video program information correspondence;
Feedback module is used for to video playing terminal feedback search result.
In another embodiment of the present invention, after video playing terminal 100 got access to image by image collection module, the image sending module was given video server with image uploading; The image receiver module of video server receives described image, and information extraction modules is extracted video program informations such as TV channel station mark from described image; Behind the video frequency program of program searching block search video program information correspondence, the result is fed back to video playing terminal 100 by feedback module.So also can realize searching for automatically and quickly the video frequency program of this video program information correspondence, 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, playing programs module 50, wherein:
Fig. 2 is the structural representation of the video playing terminal in the preferred embodiment of the present invention, and different with described first embodiment is, the program searching module 30 in the second embodiment of the invention also includes program inventory and obtains submodule 33, wherein:
Program inventory is obtained submodule 33, is used to obtain the program inventory of television channel, and described program inventory is obtained submodule 33 can obtain television channel in real time from network program inventory, also can obtain and preserve described program inventory in advance.
Fig. 3 shows the method flow that the present invention searches for video frequency program, and described method can be by realizing that as Fig. 1 or video playing terminal shown in Figure 2 100 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 be obtained at least one video earlier, more at least one described image of intercepting in described video.
Step S302, from the image that is obtained, extract video program information, 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, the video frequency program of search video program information correspondence, this step can be realized by program searching module 30.
Fig. 4 is the method flow diagram of search video frequency program in the first embodiment of the invention, and this method can realize that described method comprises that step is as follows by video playing terminal 100 as shown in Figure 2:
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, promptly obtain image from external data sources such as external equipment, networks by Data Receiving submodule 12, for example receive the image in the 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 the described image by image recognition, if there is then 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, the effective TV channel station mark and the described mapping table that will extract from image are compared, find out the television channel of described effective TV channel station mark correspondence, for example find out the Phoenix Satellite TV of Phoenix Satellite TV station symbol correspondence, 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 realize by playing programs module 50.In this step, can play pairing video frequency program automatically, also can further instruct and play pairing video frequency program according to the user.
Step S407 if do not have effective TV channel station mark in the image, then can not search corresponding television channel to user prompt.
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 the width of cloth television image that current television channel is play with other video playing terminal of carrying 100 such as mobile phones before going out; When outside the space being arranged, can take out mobile phone,, proceed to watch football match then, remove from and manually searched the spent time and efforts of television channel according to the automatic television channel searching of the television image that takes Deng the user.
Fig. 5 is the method flow diagram of search video frequency program in the second embodiment of the invention, and this method can realize that described method comprises that step is as follows by video playing terminal 100 as shown in Figure 2:
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 is meant the initial time that generates this image, this step can be realized by image collection module 10.Preferably, video playing terminal 100 can be taken by the shooting submodule that carries 11 obtain image, perhaps obtains image from external data source, promptly obtains image by Data Receiving submodule 12 from external data sources such as external equipment, networks.
Step S503 judges whether there is effective TV channel station mark in the described image by image recognition, if there is then 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, the effective TV channel station mark and the described mapping table that will extract from image are compared, and find out the television channel of described effective TV channel station mark correspondence, and this step can be realized by channel search submodule 31.
Step S506 obtains the program inventory of the television channel of described effective TV channel station mark correspondence, and this step can be obtained submodule 33 by program inventory and realize.Each television channel or video website all can be issued the program inventory of the video frequency program that is used to predict, and can obtain the program inventory of television channel in this step in real time from network, also can obtain and preserve described program inventory in advance.
Step S507 determines video frequency program corresponding in the 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 known television channel corresponding in the image among the step S505, from the program inventory of described television channel, can know the video program content that definite television channel is at that time play according to the rise time of image so.Can also comprise the video frequency program of playing described television channel after this step, can realize by playing programs module 50.In this step, can play pairing video frequency program automatically, also can further instruct and play pairing video frequency program according to the user.
Step S508 if do not have effective TV channel station mark in the image, then can not search corresponding television channel to user prompt.
In sum, the present invention is by increasing image identification function on video playing terminal, after for example obtaining image such as television image, from described image, extract video program information by image recognition technology, 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 the video frequency program of described video program information correspondence, so that 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 a large amount of time and efforts.Preferably, can prestore in the 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 the television channel and the video frequency program thereof of described effective TV channel station mark correspondence rapidly; Further, obtain the program inventory of described television channel, determine video frequency program corresponding in the 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; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a method of searching for video frequency program is characterized in that, described method comprises that step is as follows:
Obtain image;
From described image, extract video program information;
Search for the video frequency program of described video program information correspondence.
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. according to the method for each described search video frequency program of claim 1～2, it is characterized in that described video program information is TV channel station mark, television channel name, video frequency program title, website logo and/or website.
4. the method for search video frequency program according to claim 3 is characterized in that, 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 the described image by image recognition, then from described image, extract described effective TV channel station mark if exist, otherwise prompting can not search corresponding television channel;
The step of the video frequency program of described search video program information correspondence comprises: the effective TV channel station mark and the described mapping table that will extract from described image are compared, find out the television channel of described effective TV channel station mark correspondence, and search for the video frequency program of described television channel.
5. the method for search video frequency program according to claim 3 is characterized in that, 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 obtaining image also comprises: the rise time of obtaining described image;
The described step of extracting video program information from image comprises: judge whether there is effective TV channel station mark in the described image by image recognition, then from described image, extract described effective TV channel station mark if exist, otherwise prompting can not search corresponding television channel;
The step of the video frequency program of described search video program information correspondence comprises: the effective TV channel station mark and the described mapping table that will extract from described image are compared, find out the television channel of described effective TV channel station mark correspondence, and obtain the program inventory of described television channel, determine video frequency program corresponding in the described image according to the program inventory of this television channel and the rise time of image, and search for described video frequency program.
6. a video playing terminal is characterized in that, includes:
Image collection module is used to obtain image;
Information extraction modules is used for extracting video program information from described image;
The program searching module is used to search for the video frequency program of described video program information correspondence.
7. video playing terminal according to claim 6 is characterized in that, described image collection module includes:
The shooting submodule is used for obtaining described image by shooting; And/or
The Data Receiving submodule is used for obtaining described image from external data source.
8. according to each described video playing terminal of claim 6～7, it is characterized in that described video program information is TV channel station mark, television channel name, video frequency program title, website logo and/or website.
9. video playing terminal according to claim 8 is characterized in that described video playing terminal also comprises memory module, and described memory module is used to prestore and includes 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, then 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, the effective TV channel station mark and the described mapping table that are used for extracting from described image are compared, and find out the television channel of described effective TV channel station mark correspondence;
The program searching submodule is used to search for the video frequency program of described television channel.
10. video playing terminal according to claim 8 is characterized in that described video playing terminal also comprises memory module, and described memory module is used to prestore and includes the mapping table of TV channel station mark and television channel corresponding relation;
Described image collection module, the rise time that is used to obtain described image and described image;
Described information extraction modules is used for judging by image recognition whether described image exists effective TV channel station mark, then 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, the effective TV channel station mark and the described mapping table that are used for extracting from described image are compared, and find out the television channel of described effective TV channel station mark correspondence;
Program inventory is obtained submodule, is used to obtain the program inventory of described television channel;
The program searching submodule is used for determining the video frequency program that described image is corresponding according to the program inventory of this television channel and the rise time of image, and searches for described video frequency program.
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