CN106572380A - User terminal and video dynamic thumbnail generating method - Google Patents
User terminal and video dynamic thumbnail generating method Download PDFInfo
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- CN106572380A CN106572380A CN201610911401.1A CN201610911401A CN106572380A CN 106572380 A CN106572380 A CN 106572380A CN 201610911401 A CN201610911401 A CN 201610911401A CN 106572380 A CN106572380 A CN 106572380A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000000605 extraction Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims description 18
- 239000000284 extract Substances 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000003786 synthesis reaction Methods 0.000 claims description 9
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011017 operating method Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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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 or rendering scenes according to encoded video stream scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8549—Creating video summaries, e.g. movie trailer
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Television Signal Processing For Recording (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention provides a user terminal and a video dynamic thumbnail generating method. The user terminal comprises an extraction module, a generation module and an addition module, and is characterized in that the extraction module is used for extracting a plurality of image frames of a video file; the generation module is used for synthesizing the plurality of extracted image frames into a dynamic thumbnail; and the addition module is used for adding the synthesized dynamic thumbnail to a thumbnail image set. According to the user terminal and the video dynamic thumbnail generating method provided by the invention, a dynamic thumbnail of video can be automatically generated in the thumbnail image set, so that a user is enabled to acquire main information of the video quickly before watching the video, operating steps of the user are simplified, and the user experience is improved.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of user terminal and video dynamic thumbnail map generalization side
Method.
Background technology
As the electronic user terminal units such as the fast development of science and technology, mobile phone, flat board, computer are in the daily life of people
Increasingly popularize in work, and as network coverage is more and more extensive, user can be by multiple terminal equipment in connection
Video is watched in the case of network, in order to enrich the life of people, miscellaneous video starts appearance, such as TV play, electricity
Shadow, competitive sports, variety show, music program, network courses, learning materials etc..People can be set by various user terminals
It is standby to watch above-mentioned video frequency program.Additionally, for the ease of subsequently repeating viewing, or can also see in the case of no network
Video is seen, video can be downloaded by people, be stored in user terminal local.However, either video service provider passes through
Page mode is supplied to the video of user, or user it is locally downloading be video, its preview interface thumbnail is generally all adopted
With static picture, those static pictures are generally all the first two field pictures of video, or the video that Video service business provides
The sectional drawing of poster or front cover.However, singly seeing the static thumbnail of this width, user cannot understand the main contents of the video, special
Be not currently the majority video content it is far from each other with the title of video, therefore, whether user cannot be to watching the video
Make decision.And if it is intended to understanding details, way at this stage is, for local video is had been downloaded into, user can only
Point opens video, slowly watches or the fast browsing by the way of progress bar is drawn, and adopts in this way, and user operation is number
It is tired, and lose time；For the video being present on network, in addition it is also necessary in the case of network connection, video buffer is waited,
Could slowly watch or the fast browsing in the way of F.F. after the completion for the treatment of video buffer, waste time and energy.Therefore, how to regard in viewing
Before frequency, quickly allow user to understand the content of video by video thumbnails, be current problem demanding prompt solution.
The content of the invention
The invention provides a kind of user terminal and video dynamic thumbnail drawing generating method, regard in viewing to solve user
The problem of video content cannot be understood before frequency, is made user learn the main information of video at short notice, is improved Consumer's Experience.
In order to solve the above problems, the invention provides a kind of user terminal, including：Extraction module, for extracting video
The multiple images frame of file；Generation module, for the multiple images frame synthesis dynamic thumbnail that will be extracted；Add module, is used for
The dynamic thumbnail of synthesis is added to into thumbnail image concentration.
Preferably, the user terminal also includes detection module, and the detection module connects extraction module, regards for detection
Whether the length of frequency file exceed predetermined time period, if so, then in selecting video file a predetermined time period piece of video
Duan Zuowei extracts the video source of picture frame；If it is not, then using whole video file all as the video source for extracting picture frame.
Preferably, if the length of the video file exceedes predetermined time period, the detection module selecting video text
The video segment of one predetermined time period of part beginning is used as the video source for extracting picture frame.
Preferably, the user terminal also includes identification module, and the identification module is used to recognize extracted picture frame
In whether there is key images frame, if so, then control the extraction module extract again any one key images frame and and its
Adjacent several picture frames are used to generate dynamic thumbnail.
Preferably, if having multiple key images frames in described image frame, the identification module controls the extraction mould
Block extracts again one and there is the key images frame and several picture frames for being adjacent of face to be used to generate dynamic thumbnail.
Present invention also offers a kind of generation method of video dynamic thumbnail, comprises the steps：Extract video file
Multiple images frame；By the multiple images frame synthesis dynamic thumbnail for extracting；The dynamic thumbnail of synthesis is added to into thumbnail
In image set.
Preferably, the multiple images frame for extracting video file comprises the steps：Detection video file length be
It is no more than predetermined time period, if so, then in selecting video file the video segment of a predetermined time period as extracting image
The video source of frame；If it is not, then using whole video file all as the video source for extracting picture frame.
Preferably, if the length of the video file exceedes predetermined time period, the one of selecting video file beginning is pre-
If the video segment of time span is used as the video source for extracting picture frame.
Preferably, the multiple images frame for extracting video file comprises the steps：In the extracted picture frame of identification
Whether there is key images frame, the several picture frames for if so, then extracting again a key images frame and being adjacent are used to generate
Dynamic thumbnail.
Preferably, if having multiple key images frames in described image frame, extract again a crucial figure with face
As frame and the several picture frames being adjacent are used to generate dynamic thumbnail.
User terminal and the generation method of video dynamic thumbnail that the present invention is provided, by extracting the multiple of video file
Picture frame, and the plurality of picture frame is synthesized into dynamic thumbnail, the dynamic thumbnail is added to into thumbnail image concentration finally,
So that user is before viewing video, it is possible to quickly learn the main information of video, simplify the operating procedure of user,
Improve the experience of user.
Description of the drawings
Accompanying drawing 1 is the structural representation of user terminal of the present invention；
Accompanying drawing 2 is the generation method flow chart of video dynamic thumbnail of the present invention.
Specific embodiment
The user terminal that below in conjunction with the accompanying drawings present invention is provided and the concrete reality of the generation method of video dynamic thumbnail
The mode of applying elaborates.
The invention provides a kind of user terminal, accompanying drawing 1 is the structural representation of user terminal of the present invention.As shown in figure 1,
The user terminal that the present invention is provided includes extraction module 11, generation module 12 and add module 13.
The extraction module 11 is used for the multiple images frame for extracting video file.Wherein, the video file is by many
The file of the forms such as MPEG, AVI, MOV, FLV that two field picture is compressed and generates, it is as video file is typically all than larger, right
The all images frame of video file carries out extracting task amount than larger, easily increases the burden of the CUP of user terminal, thus, can
To adopt special Video Decoder first to decode to the video file, then, by extracting decoded video file
Multiple images frame constitute dynamic thumbnail can facilitate user's preview.The method for extracting multiple images frame, people in the art
Member can be set according to actual needs, for example, can adopt the random method extracted, although the method is simple, exist
The picture frame of extraction can not accurately reflect the problem of video main information, it is preferred, therefore, that the extraction module can first to institute
State video file to be decoded, after decoding, extract multiple images frame from the video file according still further to default interval, wherein,
It at equal intervals, for example, can be to extract a frame every 20 frames that the default interval can be；Can also be unequal interval, this area
Technical staff can be set according to actual needs.
It is furthermore preferred that those skilled in the art are could be aware that in video file typically according to its ordinary technical knowledge grasped
All there is key images frame, so-called key images frame, the original painting being equivalent in 2 D animation, refer to role or object of which movement or
That frame residing for key operations in change.Therefore, in order to allow user more accurately to understand the main letter of former video file
Breath, the user terminal also include identification module 15, and the identification module 15 connects the extraction module 11, is carried for identification
Whether there is key images frame in the picture frame for taking, if so, then control the extraction module 11 and extract again any one key
Picture frame and the several picture frames being adjacent are used to generate dynamic thumbnail, if it is not, the figure for then initially being extracted by extraction module
As frame generates dynamic thumbnail.Adopt the video dynamic thumbnail that formed in this way due to containing key images frame, therefore,
It is capable of the main information of accurate reflecting video file.
It is furthermore preferred that in general, in a video file, face is the representative mark of comparison, therefore, it is
The main information of the dynamic thumbnail that ultimately generates more accurately reflecting video file is caused, irrelevant contents are effectively filtered, if
There are in described image frame multiple key images frames, then the identification module 15 controls the extraction module 11 and extracts again a tool
The key images frame for having face and the several picture frames being adjacent are used to generate dynamic thumbnail.Wherein it is possible to adopt ability
Face recognition technology identification known to field technique personnel
Further, since the video dynamic thumbnail of production is only intended to the main contents for allowing user to understand former video file,
It is not required to it is to be understood that details, therefore, the extraction module 11 only needs to the picture frame for extracting former video file, it is not necessary to original
The audio-frequency information of video file is processed, certainly, the sound that those skilled in the art can also according to actual needs to former video
Frequency information is extracted.
The generation module 12 synthesizes dynamic thumbnail for the multiple images frame that will be extracted.So-called thumbnail, refers to net
The compressed mode of picture on picture frame or user terminal on page, in video process after little figure.As thumbnail is compact, plus
Carry speed fast, Jing is commonly used for fast browsing, the dynamic thumbnail includes being capable of the video file of dynamic play or multiple
The compressed dynamic GIF pictures for obtaining of picture frame.As GIF picture committed memories are few, generation type is simple, preferably the dynamic
Thumbnail is GIF pictures.During GIF pictures are formed, GIF codings are additionally provided with inside the generation module 12
Device, is compressed coding to multiple images frame, be compressed into one can dynamic play GIF pictures, wherein, above-mentioned GIF encoders
Quote the GIF coding standards of unification of the motherland.
The add module 13 is concentrated for dynamic thumbnail is added to thumbnail image.The add module 13 is by institute
State generation module 12 generation dynamic thumbnail add to thumbnail image concentrate stored.Wherein, the thumbnail image
Collection can be stored in the local photograph album of user terminal, it is also possible to be stored in the high in the clouds photograph album of the webserver.
It is furthermore preferred that in order that the dynamic thumbnail for ultimately generating is representative, being capable of accurate reflecting video text
The main information of part, the user terminal also include detection module 14, and the detection module 14 connects the extraction module 11, uses
Whether exceed predetermined time period in the length of detection video file, if so, a then predetermined time period in selecting video file
Video segment as extract picture frame video source；If it is not, then whole video file is all regarded as extracting picture frame
Frequency source.Wherein, the preset time range can be 5 minutes or 10 minutes etc..If the length of the video file exceedes default
Between length, then the detection module 14 randomly select the video segment of a predetermined time period as the video for extracting picture frame
Source, it is furthermore preferred that for the information of more accurately reflecting video file, the one of the detection module selecting video file beginning is pre-
If the video segment of time span is used as the video source for extracting picture frame.
The user terminal that the present invention is provided, by the multiple images frame for extracting video file, and the plurality of picture frame is closed
Into dynamic thumbnail, the dynamic thumbnail is added to into thumbnail image concentration finally so that user viewing video it
Before, it is possible to the main information of video is quickly learned, the operating procedure of user is simplified, the experience of user is improve.
Moreover, present invention also offers a kind of generation method of video dynamic thumbnail, accompanying drawing 2 is video of the present invention
The generation method flow chart of dynamic thumbnail.As shown in Fig. 2 the generation method of described video dynamic thumbnail includes following step
Suddenly：
Step S21, extracts the multiple images frame of video file.Wherein, the video file is pressed by many two field picture Jing
The file of the forms such as MPEG, AVI, MOV, the FLV for contracting and generating, as video file is typically all than larger, to video file
All images frame carries out extracting task amount than larger, easily increases the burden of the CUP of user terminal, therefore, it is possible to using special
Video Decoder first the video file is decoded, then, by the multiple images for extracting decoded video file
Frame constitutes dynamic thumbnail and can facilitate user's preview.The method for extracting multiple images frame, those skilled in the art can basis
It is actually needed and is set, for example, can adopts the random method extracted, although the method is simple, there is the image for extracting
Frame can not accurately reflect the problem of video main information, it is preferred, therefore, that the extraction module can first to the video file
Decoded, after decoding, extracted multiple images frame from the video file according still further to default interval, wherein, it is described default
It at equal intervals, for example, can be to extract a frame every 20 frames that interval can be；Can also be unequal interval, those skilled in the art can
To be set according to actual needs.
It is furthermore preferred that those skilled in the art are could be aware that in video file typically according to its ordinary technical knowledge grasped
All there is key images frame, so-called key images frame, the original painting being equivalent in 2 D animation, refer to role or object of which movement or
That frame residing for key operations in change.Therefore, in order to allow user more accurately to understand the main letter of former video file
Breath, the multiple images frame for extracting video file comprise the steps：Whether there is key in the extracted picture frame of identification
Picture frame, the several picture frames for if so, then extracting again a key images frame and being adjacent are used to generate dynamic thumbnail.Institute
Stating user terminal also includes identification module 15, and the identification module 15 connects the extraction module 11, is extracted for identification
Whether there is key images frame in picture frame, if so, then control the extraction module 11 and extract again any one key images
Frame and the several picture frames being adjacent are used to generate dynamic thumbnail, if it is not, the picture frame for then initially being extracted by extraction module
Generate dynamic thumbnail.Adopt the video dynamic thumbnail that formed in this way due to containing key images frame, therefore, it is possible to
The main information of accurate reflecting video file.
It is furthermore preferred that in general, in a video file, face is the representative mark of comparison, therefore, it is
The main information of the dynamic thumbnail that ultimately generates more accurately reflecting video file is caused, irrelevant contents are effectively filtered, if
There are in described image frame multiple key images frames, then the identification module 15 controls the extraction module 11 and extracts again a tool
The key images frame for having face and the several picture frames being adjacent are used for Production development thumbnail.Wherein it is possible to adopt ability
Face recognition technology identification known to field technique personnel
Further, since the video dynamic thumbnail of production is only intended to the main contents for allowing user to understand former video file,
It is not required to it is to be understood that details, therefore, the extraction module 11 only needs to the picture frame for extracting former video file, it is not necessary to original
The audio-frequency information of video file is processed, certainly, the sound that those skilled in the art can also according to actual needs to former video
Frequency information is extracted.
Step S22, so-called thumbnail refer to that the picture on the picture frame or user terminal on webpage, in video is compressed
Mode process after little figure.As thumbnail is compact, loading velocity fast, Jing is commonly used for fast browsing, the dynamic thumbnail
Including the compressed dynamic GIF pictures for obtaining of the video file or multiple images frame for being capable of dynamic play.As GIF pictures are accounted for
Few with internal memory, generation type is simple, and preferably the dynamic thumbnail is GIF pictures.During GIF pictures are formed, in institute
State and inside generation module 12, be additionally provided with a GIF encoders, coding is compressed to multiple images frame, being compressed into one can dynamic
The GIF pictures of broadcasting, wherein, above-mentioned GIF encoders quote the GIF coding standards of unification of the motherland.
The dynamic thumbnail of synthesis is added to thumbnail image concentration by step S23.The add module 13 is by the life
Into module 12 generate dynamic thumbnail add to thumbnail image concentrate stored.Wherein, the thumbnail image collection can
To be stored in the local photograph album of user terminal, it is also possible to be stored in the high in the clouds photograph album of the webserver.
It is furthermore preferred that in order that the dynamic thumbnail for ultimately generating is representative, being capable of accurate reflecting video text
The main information of part, the multiple images frame of the extraction video file comprise the steps：Whether the length of detection video file
More than predetermined time period, if so, then in selecting video file the video segment of a predetermined time period as extracting picture frame
Video source；If it is not, then using whole video file all as the video source for extracting picture frame.The user terminal also includes inspection
Module 14 is surveyed, the detection module 14 connects the extraction module 11, for detecting it is default whether the length of video file exceedes
Time span, if so, then in selecting video file a predetermined time period video segment as extract picture frame video source；
If it is not, then using whole video file all as the video source for extracting picture frame.Wherein, the preset time range can be 5 points
Clock or 10 minutes etc..If the length of the video file exceedes predetermined time period, the detection module 14 randomly selects one
The video segment of predetermined time period as the video source for extracting picture frame, it is furthermore preferred that for more accurately reflecting video text
The information of part, the video segment of a predetermined time period of the detection module selecting video file beginning is used as extraction picture frame
Video source.
User terminal and the generation method of video dynamic thumbnail that the present invention is provided, by extracting the multiple of video file
Picture frame, and the plurality of picture frame is synthesized into dynamic thumbnail, the dynamic thumbnail is added to into thumbnail image concentration finally,
So that user is before viewing video, it is possible to quickly learn the main information of video, simplify the operating procedure of user,
Improve the experience of user.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, can also make some improvements and modifications, and these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of user terminal, it is characterised in that include：
Extraction module, for extracting the multiple images frame of video file；
Generation module, for the multiple images frame synthesis dynamic thumbnail that will be extracted；
Add module, for the dynamic thumbnail of synthesis is added to thumbnail image concentration.
2. user terminal according to claim 1, it is characterised in that the user terminal also includes detection module, described
Detection module connects extraction module, for detecting whether the length of video file exceedes predetermined time period, if so, then chooses and regards
In frequency file, the video segment of a predetermined time period is used as the video source for extracting picture frame；If it is not, then by whole video file
All as the video source for extracting picture frame.
3. user terminal according to claim 2, it is characterised in that if the length of the video file exceedes Preset Time
Length, then the video segment of a predetermined time period of the detection module selecting video file beginning is used as extraction picture frame
Video source.
4. user terminal according to claim 1, it is characterised in that the user terminal also includes identification module, described
Whether identification module has key images frame in being used to recognize extracted picture frame, if so, then controls the extraction module weight
The new several picture frames for extracting a key images frame and being adjacent are used to generate dynamic thumbnail.
5. user terminal according to claim 4, it is characterised in that if having multiple key images in described image frame
Frame, then the identification module control the extraction module and extract again a key images frame and the number being adjacent with face
Individual picture frame is used to generate dynamic thumbnail.
6. a kind of generation method of video dynamic thumbnail, it is characterised in that comprise the steps：
Extract the multiple images frame of video file；
By the multiple images frame synthesis dynamic thumbnail for extracting；
The dynamic thumbnail of synthesis is added to into thumbnail image concentration.
7. the generation method of video dynamic thumbnail according to claim 6, it is characterised in that the extraction video file
Multiple images frame comprise the steps：
Whether the length of detection video file exceedes predetermined time period, and if so, then in selecting video file, a Preset Time is long
The video segment of degree is used as the video source for extracting picture frame；If it is not, then using whole video file all as extraction picture frame
Video source.
8. the generation method of video dynamic thumbnail according to claim 7, it is characterised in that if the video file
Length exceedes predetermined time period, then the video segment of a predetermined time period of selecting video file beginning is used as extraction image
The video source of frame.
9. the generation method of video dynamic thumbnail according to claim 6, it is characterised in that the extraction video file
Multiple images frame comprise the steps：
Whether there is key images frame in the extracted picture frame of identification, if so, then extract again a key images frame and and its
Adjacent several picture frames are used to generate dynamic thumbnail.
10. the generation method of video dynamic thumbnail according to claim 9, it is characterised in that if in described image frame
With multiple key images frames, then extracting again a key images frame and the several picture frames being adjacent with face is used for
Generate dynamic thumbnail.
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| CN201610911401.1A CN106572380A (en) | 2016-10-19 | 2016-10-19 | User terminal and video dynamic thumbnail generating method |
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| CN201610911401.1A CN106572380A (en) | 2016-10-19 | 2016-10-19 | User terminal and video dynamic thumbnail generating method |
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Cited By (16)
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| CN107172475A (en) * | 2017-04-21 | 2017-09-15 | 腾讯科技（深圳）有限公司 | The playing method and device of video |
| CN107948724A (en) * | 2017-11-30 | 2018-04-20 | 广东欧珀移动通信有限公司 | Method for controlling video transmission, device and storage medium and mobile terminal |
| CN107958030A (en) * | 2017-11-17 | 2018-04-24 | 北京奇虎科技有限公司 | Video front cover recommended models optimization method and device |
| CN108632668A (en) * | 2018-05-04 | 2018-10-09 | 百度在线网络技术（北京）有限公司 | Method for processing video frequency and device |
| CN108632641A (en) * | 2018-05-04 | 2018-10-09 | 百度在线网络技术（北京）有限公司 | Method for processing video frequency and device |
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| CN108833787A (en) * | 2018-07-19 | 2018-11-16 | 百度在线网络技术（北京）有限公司 | Method and apparatus for generating short-sighted frequency |
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| CN110582016A (en) * | 2019-09-06 | 2019-12-17 | 北京达佳互联信息技术有限公司 | video information display method, device, server and storage medium |
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| CN113014993A (en) * | 2021-03-24 | 2021-06-22 | 北京奇艺世纪科技有限公司 | Picture display method, device, equipment and storage medium |
| CN113316016A (en) * | 2021-05-28 | 2021-08-27 | Tcl通讯（宁波）有限公司 | Video processing method and device, storage medium and mobile terminal |
| CN113747080A (en) * | 2021-09-29 | 2021-12-03 | 维沃移动通信（杭州）有限公司 | Shooting preview method, shooting preview device, electronic equipment and medium |
| CN113784178A (en) * | 2021-01-22 | 2021-12-10 | 北京沃东天骏信息技术有限公司 | Video preview method, video preview device, electronic equipment and storage medium |
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Application publication date: 20170419 |