CN103338408A - Method, system and mobile terminal for selecting video preview frames - Google Patents
Method, system and mobile terminal for selecting video preview frames Download PDFInfo
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- CN103338408A CN103338408A CN2013102150634A CN201310215063A CN103338408A CN 103338408 A CN103338408 A CN 103338408A CN 2013102150634 A CN2013102150634 A CN 2013102150634A CN 201310215063 A CN201310215063 A CN 201310215063A CN 103338408 A CN103338408 A CN 103338408A
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Abstract
The present invention is suitable for the technical field of video processing, and provides a method, a system and a mobile terminal for selecting video preview frames. The method comprises the following steps: receiving setting of a user to a preview mode; calculating picture frames which accord with the preview mode in a video file according to the preview mode; and setting the picture frames which accord with the preview mode to preview frames. According to the method of the invention, because a video preview picture processing function is adopted, a mobile terminal can select frames characteristic for the user in the video file as the preview frames according to the preview mode which is selected by the user. The image which corresponds with the preview frame is displayed on a video file preview interface. When the user views the recorded video again, time, scenery and figure can be well distinguished through the preview frame, thereby facilitating the user to clear know whether the video file is required for brewing or checking through the image which corresponds with the preview frame displayed on the preview interface, and improving user experience.
Description
Technical field
The invention belongs to the processing technology field of video, relate in particular to a kind of choosing method, system and portable terminal of video preview frame.
Background technology
In the prior art scheme, after using the mobile terminal camera video recording, be to enroll at random that a certain frame picture is used as preview screen in the picture to the preview picture of video, it comprises following several mode: get last frame, perhaps get first frame, perhaps picked at random one frame, yet the preview screen of the video that the existing this mode of employing obtains is not representative, add if the user does not have a relatively name of standard to the video of preserving, in certain video of before searching, recording so, seem and need the comparison difficulty to click video preview and play; In addition, if the user has recorded two sections videos under Same Scene, but beginning is the same with the scene that finishes, and the user does not have a relatively name of standard to the video of preserving, in certain video of before searching, recording so, also be to show relatively difficulty, need to click the video preview broadcast equally and can find that section video that the user needs, therefore the preview screen that adopts prior art to obtain all is not easy to the user area and which is told is only the video that need check, checks that to the user video makes troubles.
Summary of the invention
The object of the present invention is to provide a kind of choosing method, system and portable terminal of video preview frame, be intended to solve the preview screen that adopts prior art to obtain and all be not easy to the user area and which is told be only the video that to check, check the problem that video is made troubles to the user.
The present invention is achieved in that a kind of choosing method of video preview frame, said method comprising the steps of:
Receive the user to the setting of preview mode;
Calculate the picture frame that meets described preview mode in the video file according to preview mode;
The described picture frame that meets described preview mode is set to preview frame.
Another object of the present invention is to provide a kind of selecting system of video preview frame, described system comprises:
Receiver module is used for receiving the user to the setting of preview mode;
Computing module is used for calculating the picture frame that video file meets described preview mode according to preview mode;
Module is set, is used for the described picture frame that meets described preview mode and is set to preview frame.
Another object of the present invention is to provide a kind of portable terminal that comprises the selecting system of video preview frame recited above.
In the present invention, owing to adopted video preview picture processing capacity, portable terminal can select in the video file according to the preview mode that the user selects relatively has the frame of characteristics as preview frame to the user, the image of described preview frame correspondence is presented on the video file preview interface, when the user watches the video of recording again, can fine difference be what scape and what personage when by this preview frame, thereby make things convenient for the user just can know clearly that by the image of the preview frame correspondence that shows on this preview interface whether this video file is that the user wants to browse or check, has improved user's experience.Solve the preview screen that adopts prior art to obtain and all be not easy to the user area and which tells be only the video that to check, checked the problem that video is made troubles to the user.
Description of drawings
Fig. 1 is the realization flow schematic diagram of the choosing method of the video preview frame that provides of the embodiment of the invention.
Fig. 2 is the structural representation of the selecting system of the video preview frame that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and beneficial effect 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 explaining the present invention, and be not used in restriction the present invention.
In embodiments of the present invention, by when choosing preview frame, the portable terminal backstage can intelligence pass through personage's characteristic or particular moment pattern, selecting relatively has the frame of characteristics as preview frame to the user, when the user watches the video of recording again, can fine difference be what scape and what personage when by this preview frame, have improved user's experience.Solve the preview screen that adopts prior art to obtain and all be not easy to the user area and which tells be only the video that to check, checked the problem that video is made troubles to the user.
See also Fig. 1, the realization flow of the choosing method of the video preview frame that provides for the embodiment of the invention, it may further comprise the steps:
In step S101, receive the user to the setting of preview mode;
In embodiments of the present invention, described preview mode comprises: common preview mode, personage's preview mode and particular moment preview mode.
As one embodiment of the invention, after the step S101, also comprise:
Read preview mode configuration file and video file;
According to the mode value in the configuration file that reads, judge whether described video file opens video preview picture processing capacity;
If judge and do not open video preview picture processing capacity, then handle by normal flow;
Open video preview picture processing capacity if judge, then further judge according to the mode value which kind of preview mode described video file belongs to.
In step S102, calculate the picture frame that meets described preview mode in the video file according to preview mode;
As one embodiment of the invention, described step S102 is specially:
When preview mode is personage's preview mode, calculate the number of person in each two field picture in the described video file;
According to result of calculation, obtain the maximum frame of number of person;
Further calculate the redundancy of the maximum frame of each described number of person; Wherein, redundancy, popular saying is exactly the multiplicity of data.The data that repeat in a data set are called data redundancy, are used for weighing the otherness parameter between frame and the frame.
According to redundancy, filter out the frame of redundancy maximum as preview frame.
As another embodiment of the present invention, described step S102 is specially:
When preview mode is particular moment during preview mode, obtain the time point that sets in advance;
Search the picture frame that meets described time point in the described video file, with the described picture frame of described time point that meets as preview frame.
In step S103, the described picture frame that meets described preview mode is set to preview frame.
As one embodiment of the invention, also comprise the implementation that generates configuration file, may further comprise the steps:
When receiving the instruction of preserving video file, show preview mode selection interface.
Receive the user to the setting of preview mode;
The preview mode of selecting according to the user arranges the mode value;
According to being set, the result generates configuration file.
As further embodiment of this invention, described step S102 is specially:
Identify a plurality of scenes in the described video file;
Choose the two field picture under the different scenes respectively;
The image sets of selecting is combined into a hypertonic sketch map, with described thumbnail as preview frame.
In specific implementation process, can identify a plurality of scenes by the following method: for example, when the similarity of a frame picture and previous frame during less than a threshold value (for example 10%), being judged as is the beginning of a new scene.
As another embodiment of the present invention, after step S103, also comprise:
The image of described preview frame correspondence is presented on the video file preview interface, thereby makes things convenient for the user just can know clearly by the image of the preview frame correspondence that shows on this preview interface whether this video file is that the user wants to browse or check.
Describe below be the embodiment of the invention application scenarios for example:
Scene one: when the user is giving the baby's recorded video of oneself, may a lot of incipient pictures all be the same, search certain video with regard to inconvenient user like this, if the technical scheme that the user has used the embodiment of the invention to provide, the user just can find corresponding video fast according to the frame picture that the meaning of representing is arranged most.
Scene two: when the user records a video for child in the kindergarten, if when choosing personage's preview mode, then choose the personage at most and a redundant maximum image is presented on the video file preview interface.Thereby make things convenient for the user just can know clearly by the image of the preview frame correspondence that shows on this preview interface whether this video file is that the user wants to browse or check.
See also Fig. 2, the structure of the selecting system of the video preview frame that provides for the embodiment of the invention for convenience of explanation, only shows the part relevant with the embodiment of the invention.The selecting system of described video preview frame comprises: receiver module 101, computing module 102 and module 103 is set.The selecting system of described video preview frame can be the unit that is built in software unit, hardware cell or software and hardware combining in the portable terminal.
Receiver module 101 is used for receiving the user to the setting of preview mode;
Computing module 102 is used for calculating the picture frame that video file meets described preview mode according to preview mode;
Module 103 is set, is used for the described picture frame that meets described preview mode and is set to preview frame.
As one embodiment of the invention, described system also comprises: read module, function judge module, processing and control module.
Read module is used for reading preview mode configuration file and video file;
The function judge module is used for the mode value according to the configuration file that reads, and judges whether described video file opens video preview picture processing capacity;
Processing and control module if being used for judging does not open video preview picture processing capacity, is then handled by normal flow; Open video preview picture processing capacity if judge, then further judge according to the mode value which kind of preview mode described video file belongs to.
As one embodiment of the invention, described system also comprises: number of person computing module, acquisition module, redundancy computing module and screening module.
The number of person computing module is used for calculating the number of person in each two field picture in the described video file when preview mode is personage's preview mode;
Acquisition module is used for according to result of calculation, obtains the maximum frame of number of person;
The redundancy computing module is used for the further redundancy of calculating the maximum frame of each described number of person;
The screening module is used for according to redundancy, filters out the frame of redundancy maximum as preview frame.
As another embodiment of the present invention, described system also comprises:
Time-obtaining module, be used for when preview mode be particular moment during preview mode, obtain the time point that sets in advance;
Search module, be used for searching the picture frame that described video file meets described time point, with the described picture frame of described time point that meets as preview frame.
As one embodiment of the invention, described system also comprises:
Identification module is for a plurality of scenes of the described video file of identification;
Select and synthesis module, be used for choosing respectively the two field picture under the different scenes, the image sets of selecting is combined into a hypertonic sketch map, with described thumbnail as preview frame.
In specific implementation process, can identify a plurality of scenes by the following method: for example, when the similarity of a frame picture and previous frame during less than a threshold value (for example 10%), being judged as is the beginning of a new scene.
As one embodiment of the invention, described system also comprises:
Interface display module is used for when receiving the instruction of preserving video file, shows preview mode selection interface;
The mode value arranges module, is used for according to the preview mode that the user selects the mode value being set;
Generation module is used for generating configuration file according to the result is set.
As another embodiment of the present invention, described system also comprises:
Display control module, be used for the image of described preview frame correspondence is presented at the video file preview interface, thereby make things convenient for the user just can know clearly by the image of the preview frame correspondence that shows on this preview interface whether this video file is that the user wants to browse or check.
In sum, the embodiment of the invention is owing to adopted video preview picture processing capacity, portable terminal can select in the video file according to the preview mode that the user selects relatively has the frame of characteristics as preview frame to the user, the image of described preview frame correspondence is presented on the video file preview interface, when the user watches the video of recording again, can fine difference be what scape and what personage when by this preview frame, thereby make things convenient for the user just can know clearly that by the image of the preview frame correspondence that shows on this preview interface whether this video file is that the user wants to browse or check, has improved user's experience.Solve the preview screen that adopts prior art to obtain and all be not easy to the user area and which tells be only the video that to check, checked the problem that video is made troubles to the user.
One of ordinary skill in the art will appreciate that all or part of step that realizes in above-described embodiment method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, described storage medium is as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the choosing method of a video preview frame is characterized in that, said method comprising the steps of:
Receive the user to the setting of preview mode;
Calculate the picture frame that meets described preview mode in the video file according to preview mode;
The described picture frame that meets described preview mode is set to preview frame.
2. the method for claim 1 is characterized in that, described preview mode comprises: common preview mode, personage's preview mode and particular moment preview mode.
3. method as claimed in claim 1 or 2 is characterized in that, and is described according to the step that meets the picture frame of described preview mode in the preview mode calculating video file, is specially:
When preview mode is personage's preview mode, calculate the number of person in each two field picture in the described video file;
According to result of calculation, obtain the maximum frame of number of person;
Further calculate the redundancy of the maximum frame of each described number of person;
According to redundancy, filter out the frame of redundancy maximum as preview frame.
4. method as claimed in claim 1 or 2 is characterized in that, and is described according to the step that meets the picture frame of described preview mode in the preview mode calculating video file, is specially:
When preview mode is particular moment during preview mode, obtain the time point that sets in advance;
Search the picture frame that meets described time point in the described video file, with the described picture frame of described time point that meets as preview frame.
5. method as claimed in claim 1 or 2 is characterized in that, and is described according to the step that meets the picture frame of described preview mode in the preview mode calculating video file, is specially:
Identify a plurality of scenes in the described video file;
Choose the two field picture under the different scenes respectively;
The image sets of selecting is combined into a hypertonic sketch map, with described thumbnail as preview frame.
6. the selecting system of a video preview frame is characterized in that, described system comprises:
Receiver module is used for receiving the user to the setting of preview mode;
Computing module is used for calculating the picture frame that video file meets described preview mode according to preview mode;
Module is set, is used for the described picture frame that meets described preview mode and is set to preview frame.
7. system as claimed in claim 6 is characterized in that, described system also comprises: described preview mode comprises: common preview mode, personage's preview mode and particular moment preview mode.
8. as claim 6 or 7 described systems, it is characterized in that described system also comprises:
The number of person computing module is used for calculating the number of person in each two field picture in the described video file when preview mode is personage's preview mode;
Acquisition module is used for according to result of calculation, obtains the maximum frame of number of person;
The redundancy computing module is used for the further redundancy of calculating the maximum frame of each described number of person;
The screening module is used for according to redundancy, filters out the frame of redundancy maximum as preview frame.
9. as claim 6 or 7 described systems, it is characterized in that described system also comprises:
Time-obtaining module, be used for when preview mode be particular moment during preview mode, obtain the time point that sets in advance;
Search module, be used for searching the picture frame that described video file meets described time point, with the described picture frame of described time point that meets as preview frame.
10. as claim 6 or 7 described systems, it is characterized in that described system also comprises:
Identification module is for a plurality of scenes of the described video file of identification;
Select and synthesis module, be used for choosing respectively the two field picture under the different scenes, the image sets of selecting is combined into a hypertonic sketch map, with described thumbnail as preview frame.
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Cited By (9)
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CN104869132A (en) * | 2014-02-21 | 2015-08-26 | 深圳市云帆世纪科技有限公司 | Media resource sharing system, method and server set based on Internet |
TWI571804B (en) * | 2015-11-20 | 2017-02-21 | 晶睿通訊股份有限公司 | Image Previewable Video File Playback System, Method Using The Same, and Computer Program Product Using The Same |
WO2019034108A1 (en) * | 2017-08-17 | 2019-02-21 | 北京达佳互联信息技术有限公司 | Method and device for storing and displaying video data, and smart glasses |
CN109756767A (en) * | 2017-11-06 | 2019-05-14 | 腾讯科技(深圳)有限公司 | Preview data playback method, device and storage medium |
CN110913241A (en) * | 2019-11-01 | 2020-03-24 | 北京奇艺世纪科技有限公司 | Video retrieval method and device, electronic equipment and storage medium |
CN111050132A (en) * | 2019-12-17 | 2020-04-21 | 浙江大华技术股份有限公司 | Monitoring preview generation method and device of monitoring equipment, terminal equipment and storage device |
CN111182359A (en) * | 2019-12-30 | 2020-05-19 | 咪咕视讯科技有限公司 | Video preview method, video frame extraction method, video processing device and storage medium |
CN113810452A (en) * | 2020-06-15 | 2021-12-17 | 交互标准有限责任公司 | System and method for exchanging ultra-short media content |
CN114915831A (en) * | 2022-04-19 | 2022-08-16 | 秦皇岛泰和安科技有限公司 | Preview determination method, device, terminal equipment and storage medium |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104869132A (en) * | 2014-02-21 | 2015-08-26 | 深圳市云帆世纪科技有限公司 | Media resource sharing system, method and server set based on Internet |
TWI571804B (en) * | 2015-11-20 | 2017-02-21 | 晶睿通訊股份有限公司 | Image Previewable Video File Playback System, Method Using The Same, and Computer Program Product Using The Same |
WO2019034108A1 (en) * | 2017-08-17 | 2019-02-21 | 北京达佳互联信息技术有限公司 | Method and device for storing and displaying video data, and smart glasses |
CN109756767A (en) * | 2017-11-06 | 2019-05-14 | 腾讯科技(深圳)有限公司 | Preview data playback method, device and storage medium |
CN110913241A (en) * | 2019-11-01 | 2020-03-24 | 北京奇艺世纪科技有限公司 | Video retrieval method and device, electronic equipment and storage medium |
CN111050132A (en) * | 2019-12-17 | 2020-04-21 | 浙江大华技术股份有限公司 | Monitoring preview generation method and device of monitoring equipment, terminal equipment and storage device |
CN111182359A (en) * | 2019-12-30 | 2020-05-19 | 咪咕视讯科技有限公司 | Video preview method, video frame extraction method, video processing device and storage medium |
CN113810452A (en) * | 2020-06-15 | 2021-12-17 | 交互标准有限责任公司 | System and method for exchanging ultra-short media content |
CN114915831A (en) * | 2022-04-19 | 2022-08-16 | 秦皇岛泰和安科技有限公司 | Preview determination method, device, terminal equipment and storage medium |
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