CN106851395B - Video playing method and player - Google Patents
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- CN106851395B CN106851395B CN201510885354.3A CN201510885354A CN106851395B CN 106851395 B CN106851395 B CN 106851395B CN 201510885354 A CN201510885354 A CN 201510885354A CN 106851395 B CN106851395 B CN 106851395B
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- 238000000605 extraction Methods 0.000 claims description 6
- 238000007781 pre-processing Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 14
- 230000001815 facial effect Effects 0.000 description 7
- 241000736839 Chara Species 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008447 perception Effects 0.000 description 4
- 238000009432 framing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
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- 230000037430 deletion Effects 0.000 description 2
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47205—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for manipulating displayed content, e.g. interacting with MPEG-4 objects, editing locally
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Abstract
The invention provides a video playing method and a player, and relates to the technical field of multimedia. The video playing method comprises the following steps: the player captures a face image in the video image; determining a role name corresponding to the face image; and identifying the role name at the corresponding position of the face image in the video. By the method, the player can capture the face image in the video image, identify and label the face image, ensure that a user can easily identify the role in the video when watching the movie, understand the plot more easily and improve the user experience.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to a video playing method and a player.
Background
With the development of the movie and television play market, more and more foreign movies and television plays are introduced, and the more and more complicated and diversified plays cause certain obstacles to the watching of common audiences. These obstacles mainly include:
1. complicated roles and a large number of characters. Some movie and television plays with built-on history for self-construction of world views often need numerous characters and characters, story lines are complex, character relations are complex, and if the characters cannot be accurately identified and memorized, the whole work is difficult to understand. For example: the game and the magic ring are played.
2. Heterology effects and perceptual narrowing. Due to the evolutionary demand, human perception development is commonly accompanied by "perception narrowing" and loss of ability to distinguish between different facial features. The plots of the foreign films, the English drama and the American drama are interesting and fine in production, are deeply favored by audiences, but the distinguishing of the faces of the foreign people is not easy for the domestic audiences.
3. Perception defect: face recognition disorders. Some people have perception defects, and compared with ordinary people, the people can not recognize and memorize the growth of other people.
However, viewers want the viewing to be easy. Viewers often wish to relax mood, adjust mood, and concentrate on the scenario rather than putting energy on the memory character by viewing the film.
Disclosure of Invention
One object of the present invention is to solve the problem that it is difficult for a user to recognize a character when viewing a movie.
According to an aspect of the present invention, a video playing method is provided, including: the player captures a face image in the video image; determining a role name corresponding to the face image; and identifying the role name at the corresponding position of the face image in the video.
Further, determining the role name corresponding to the face image includes: the player extracts the characteristics of the face image; the player compares the characteristics with the role characteristic library to determine the role name corresponding to the face image.
Further, identifying the character name in the corresponding position of the face image in the video comprises: determining face coordinates and an appearing frame number of the face image; and framing the face image in the video according to the face coordinate and the frame number, and identifying the role name of the face image.
Further, still include: acquiring a role face sample image; acquiring a role name; and extracting the feature information of the character face image, and associating the feature information with the character name to form a character feature library.
Further, a character face sample image is obtained, and the name of the character is obtained as follows: and obtaining a character face sample image and a character name through upgrading of a player sample library.
Further, still include: acquiring a role identifier deleting instruction of a user; and stopping identifying the face image of the corresponding role according to the role identification deleting instruction.
Further, capturing the face image in the video image comprises: preprocessing a video file to obtain a face image in frame data of the video file; determining the role name corresponding to the face image comprises: determining a role name corresponding to a face image in video file frame data; the video playing method further comprises the following steps: generating role identification information according to the role name, the face coordinate position of the face image and the frame number of the face image; identifying the role name at the corresponding position of the face image in the video comprises: and during playing, according to the character identification information, identifying the corresponding character name at the corresponding face coordinate position of the corresponding frame number in the video.
By the method, the player can capture the face image in the video image, identify and label the face image, ensure that a user can easily identify the role in the video when watching the movie, understand the plot more easily and improve the user experience.
According to another aspect of the present invention, there is provided a player comprising: the face capturing module is used for capturing a face image in the video; the role recognition module is used for determining the role name corresponding to the face image; and the role identification module is used for identifying the role name at the corresponding position of the face image in the video.
Furthermore, the role recognition module is also used for extracting the characteristics of the face image; and comparing the characteristics with the role characteristic library to determine the role name corresponding to the face image.
Furthermore, the role identification module is also used for determining the face coordinates and the appearing frame sequence number of the face image; and framing the face image in the video according to the face coordinate and the frame number, and identifying the role name of the face image.
Further, the system further comprises a feature library acquisition module, configured to acquire a role feature library, including: a sample extraction unit for obtaining a character face sample image; a role acquiring unit for acquiring a role name; and the feature library extracting unit is used for extracting feature information of the character face image, and the feature information is associated with the character name to form a character feature library.
Further, the feature library obtaining module is further configured to obtain the character face sample image and the character name through the player sample library upgrading stage.
Further, still include: the user interaction module is used for acquiring a role identifier deleting instruction of a user; and the role identification module is also used for stopping identifying the face image of the corresponding role according to the role identification deleting instruction.
Further, the face capturing module is also used for preprocessing the video file and acquiring a face image in the frame data of the video file; the role recognition module is also used for extracting the characteristics of the face image in the video file frame data and determining the role name corresponding to the face image; the player also comprises an identification information generation module which is used for generating role identification information according to the role name, the face coordinate position of the face image and the frame number of the face image; and the role identification module is also used for identifying the corresponding role name in the video according to the corresponding face coordinate position of the corresponding frame number in the video according to the role identification information during playing.
The player can capture the face image in the video image, identify and label the face image, ensure that a user can easily identify roles in the video when watching the movie, understand the plot more easily and improve the user experience.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a video playing method according to an embodiment of the present invention.
Fig. 2 is a flowchart of sample input in another embodiment of the video playing method of the present invention.
Fig. 3 is a schematic diagram of a sample image input in an embodiment of a video playing method according to the present invention.
Fig. 4 is a flowchart illustrating a user deleting a character id according to another embodiment of the video playing method of the present invention.
Fig. 5 is a schematic diagram of a user deleting a role identifier in an embodiment of a video playing method according to the present invention.
Fig. 6 is a flowchart of a video playing method according to still another embodiment of the present invention.
Fig. 7 is a schematic diagram of an embodiment of the player of the present invention.
Fig. 8 is a schematic diagram of another embodiment of the player of the present invention.
Fig. 9 is a schematic diagram of a player according to another embodiment of the present invention.
Fig. 10 is a schematic diagram of a player according to still another embodiment of the present invention.
Fig. 11 is a schematic diagram of another embodiment of the player of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
A flow chart of one embodiment of a video playback method of the present invention is shown in fig. 1.
In step 101, the player captures a face image in a video image. The existing face recognition technology can be adopted to judge whether a face exists in the image and determine the position of the face, the position of facial organs and the like. The player can detect the face image frame by frame.
In step 102, the character name corresponding to the face image is determined. The role names can be determined by extracting the facial image features and matching in the existing face recognition technology.
In step 103, the character name is marked at the corresponding position of the face image in the video image. The face image can be framed by adopting a framing mode, and the role name is marked around the corresponding face image.
By the method, the player can capture the face image in the video image, identify and label the face image, ensure that a user can easily identify the role in the video when watching the movie, understand the plot more easily and improve the user experience.
In one embodiment, the player extracts feature information in the face image according to the captured face image, compares the feature information with the role feature library, and determines the role name of the face image. By the method, the player can quickly confirm the role based on the role feature library and identify the role.
In one embodiment, the player determines the face coordinates of the face image and the frame number of the frame in which the face image appears, frames the face image in the video based on the face coordinates and the frame number, and identifies the character name. By the method, the role identification can be marked at the corresponding face position of the corresponding frame of the face image, so that a user can easily identify the role, and particularly, when a plurality of role face images appear in the image at the same time, the names of all roles can be distinguished.
A flowchart of sample input in another embodiment of the video playback method of the present invention is shown in fig. 2.
In step 201, the player obtains a character face sample image. The character face sample image may be as shown in fig. 3, including front and side images of each character. The player can obtain the character face sample image of the video from the server by upgrading the sample library.
In step 202, the player obtains a character name corresponding to the character face sample image. The player can obtain the role name corresponding to the role face sample image of the video from the server in a mode of upgrading the sample library.
In step 203, feature information in the character face image is extracted from the character face image acquired in step 201.
In step 204, the character name acquired in step 202 is associated with the character facial feature information extracted in step 203, and a character feature library is generated.
By the method, the role feature library can be generated based on the role face sample image, so that the player can identify the role name of the face image in the video according to the role feature library and display the role name to a user, and the face image identification accuracy is good.
A flowchart of a user deleting a character id in another embodiment of the video playing method of the present invention is shown in fig. 4.
In step 401, the player acquires a role identification deletion instruction of the user. As shown in the upper diagram in fig. 5, a delete button may be provided on a frame icon of a character face image in a video, and a user can send a delete instruction for the character identification to the player by clicking the delete button.
In step 402, the player stops identifying the face image of the corresponding character according to the character identification deleting instruction. As shown in the lower diagram in fig. 5, after the user selects to delete the identification of character a, the player no longer displays the identification for character a during playback.
By the method, a way for operating the user identification can be provided for the user, the user can freely select and delete the identification of the role which can be identified, and the user experience is further improved.
A flow chart of yet another embodiment of the video playback method of the present invention is shown in fig. 6.
In step 601, the player preprocesses the video file to obtain a face image in frame data of the video file.
In step 602, the role name corresponding to the face image is determined by extracting the features corresponding to the face image and comparing the extracted features with the role feature library.
In step 603, character identification information is generated according to the frame number of the frame in which the face image appears, the face coordinate position of the face image, and the determined character name. The role identification information may exist in a manner that identifies the result file.
In step 604, when the user plays the video, the player reads the character identification information, frames a face image at a corresponding position of a corresponding frame in the video according to a frame number, face coordinates, and a character name in the character identification information, and marks the character name.
By the method, the face image can be recognized before playing, the role marking information is generated, the role marking can be realized only by reading and displaying the role marking information during playing, and the requirement on a processor is reduced; the preprocessing mode can also realize the repeated use of the role marking information, thereby saving the processor resources.
In one embodiment, the role identification information may be as follows:
Frame＝1:
[chara＝’Tom’:(center＝’331,180’,width＝’35’,hight＝’60’)；
chara＝’Mary’:(center＝’680,253’,width＝’50’,hight＝’75’)]
Frame＝2:
[chara＝’Tom’:(center＝’121,100’,width＝’35’,hight＝’60’)；
chara＝’Mary’:(center＝’600,203’,width＝’50’,hight＝’75’)]
……
the character identification information takes the frame number as an index, the name of the character appearing in each frame where the face image appears and the coordinate information of the face image are marked, and the player can display the name of the character at the corresponding position of the corresponding frame according to the character identification information.
A schematic diagram of one embodiment of the player of the present invention is shown in fig. 7. 701 is a human face capturing module, which can capture human face images in video images. The face capture module 701 may determine whether a face exists in the image by using the existing face recognition technology, and determine the position of the face, the position of facial organs, and the like. And 702, a role recognition module capable of determining a role name corresponding to the face image. The role recognition module 702 can determine the role name by extracting the facial image features and performing matching in the existing facial recognition technology. 703 is a role identification module, which can label the role name at the corresponding position of the face image in the video image. The role identification module 703 may select a face image by a frame selection method, and mark the role name around the corresponding face image.
The player can capture the face image in the video image, identify and label the face image, ensure that a user can easily identify roles in the video when watching the movie, understand the plot more easily and improve the user experience.
In one embodiment, the role recognition module 702 extracts feature information in the face image according to the captured face image, compares the feature information with a role feature library, and determines a role name of the face image. The player can perform quick role confirmation and role identification based on the role feature library.
In one embodiment, the character identification module 703 determines the face coordinate position of the face image and the frame number of the frame in which the face image appears, frames the face image in the video according to the face coordinate and the frame number, and identifies the character name. The player can mark the role identification at the corresponding face position of the corresponding frame where the face image appears, so that a user can easily identify the role, and particularly, when a plurality of role face images appear in the image at the same time, the names of all roles can be distinguished.
A schematic diagram of another embodiment of the player of the present invention is shown in fig. 8. The structures and functions of the face capture module 801, the character recognition module 802 and the character identification module 803 are similar to those of the embodiment of fig. 7. The player further includes a feature library acquisition module 804 capable of acquiring a character feature library. The feature library acquisition module 804 includes a sample extraction unit 814, a character acquisition unit 824, and a feature library extraction unit 834, wherein the sample extraction unit 814 is capable of acquiring a character face sample image. The character face sample images may include front and side images of respective characters, and the sample extraction unit 814 may acquire the character face sample images of the video from the server by upgrading the sample library. The character obtaining unit 824 can obtain a character name corresponding to the character face sample image, and the character obtaining unit 824 can obtain the character name corresponding to the character face sample image of the video from the server by upgrading the database. The feature library extracting unit 834 extracts feature information in the character face image from the character face image acquired by the sample extracting unit 814, and generates a character feature library in association with the character name acquired by the character acquiring unit 824. The player can generate the role feature library based on the role face sample image, so that the role name of the face image in the video can be identified according to the role feature library and displayed to a user, and the player has good face image identification accuracy.
A schematic diagram of yet another embodiment of the player of the present invention is shown in fig. 9. The structure and function of the face capture module 901, the character recognition module 902 and the character identification module 903 are similar to those of the embodiment of fig. 7. The player further comprises a user interaction module 904 capable of obtaining a role identification deletion instruction of the user. The user interaction module 904 may provide an operation interface to a user by setting a delete button on a frame-selected icon of a character face image in the video, and the user may send a delete instruction for the character identifier to the player by clicking the delete button. When the user selects to delete the identity of a role, the role identity module 903 no longer displays the identity for the role.
The player can provide a way for the user to operate the role identification, and the user can freely select to delete the identification of the role which can be identified, so that the user experience is further improved.
A schematic diagram of yet another embodiment of the player of the present invention is shown in fig. 10. The face capture module 1001 may be configured to pre-process a video file and obtain a face image in frame data of the video file. The role recognition module 1002 determines the role name corresponding to the face image by extracting the features corresponding to the face image and comparing the extracted features with a role feature library. The identification information generation module 1004 can generate character identification information according to the frame number of the frame in which the face image appears, the face coordinate position of the face image, and the determined character name, and the character identification information can exist in a manner of identifying a result file. The role identification module 1003 can read the role identification information during playing, select a face image according to a frame number, face coordinates and a corresponding position of a corresponding frame of the role name in the video, and mark the role name.
The player can complete the recognition of the face image before playing to generate the role marking information, and the marking of the role can be realized only by reading and displaying the role marking information during playing, so that the requirement on a processor is reduced; the preprocessing mode can also realize the repeated use of the role marking information, and avoids the video processing during each playing.
A schematic diagram of another embodiment of the player of the present invention is shown in fig. 11. The playback includes, in addition to the face capture module 1101, the character recognition module 1102, and the character identification module 1103, a decoder 1104 including various decoding algorithms for decoding video files, such as WMV, DVX, and the like. The playback engine 1105 can decode the video file using the decoding algorithm in the decoder 1104; user interface 1106 has a delete identification for the user to select the delete role identification.
The player can realize the identification of roles in the video images and the identification and labeling of the face images while playing the video, ensures that a user can easily identify the roles in the video during watching the movie and can understand the plot more easily; the user can selectively label the role name, and the user experience is further improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (10)
1. A video playback method, comprising:
the player captures a face image in the video image;
determining a role name corresponding to the face image;
identifying the role name at the corresponding position of the face image in the video, including: determining face coordinates of the face image and an appearing frame number, wherein the face coordinates comprise a center point coordinate, a width and a height; selecting face images in a frame according to the face coordinates and the frame serial number, and marking the role names around the corresponding face images;
and if the role identification deleting instruction of the user is obtained, stopping identifying the face image of the corresponding role according to the role identification deleting instruction.
2. The method of claim 1,
the determining the role name corresponding to the face image comprises:
the player extracts the characteristics of the face image;
and the player compares the characteristics with a role characteristic library to determine the role name corresponding to the face image.
3. The method of claim 1, further comprising:
acquiring a role face sample image;
acquiring a role name corresponding to the role face sample image;
and extracting the feature information of the character face image, and associating the feature information with the character name corresponding to the character face sample image to form a character feature library.
4. The method of claim 3, wherein the obtaining of the character face sample image comprises obtaining a character name corresponding to the character face sample image:
and upgrading the player sample library to obtain the role face sample image and the role name corresponding to the role face sample image.
5. The method of claim 1,
the capturing of the face image in the video image comprises: preprocessing a video file to obtain a face image in frame data of the video file;
the determining the role name corresponding to the face image comprises: determining a role name corresponding to the face image in video file frame data;
the video playing method further comprises the following steps: generating role identification information according to the role name, the face coordinate position of the face image and the frame number of the face image, wherein the role identification information comprises the frame number, the face coordinate and the corresponding position of the role name in the corresponding frame of the video;
the identifying the role name at the corresponding position of the face image in the video comprises: and identifying the corresponding role name at the corresponding face coordinate position of the corresponding frame number in the video according to the role identification information during playing.
6. A player, comprising:
the face capturing module is used for capturing a face image in the video;
the role recognition module is used for determining the role name corresponding to the face image;
the role identification module is used for identifying the role name at the corresponding position of the face image in the video, and comprises: determining face coordinates of the face image and an appearing frame number, wherein the face coordinates comprise a center point coordinate, a width and a height; selecting face images in a frame according to the face coordinates and the frame serial number, and marking the role names around the corresponding face images;
the user interaction module is used for acquiring a role identifier deleting instruction of a user;
and the role identification module is also used for stopping identifying the face image of the corresponding role according to the role identification deleting instruction.
7. Player according to claim 6,
the role recognition module is also used for extracting the characteristics of the face image; and comparing the characteristics with a role characteristic library to determine the role name corresponding to the face image.
8. The player of claim 6, further comprising a feature library acquisition module for acquiring a character feature library, comprising:
a sample extraction unit for obtaining a character face sample image;
the role acquisition unit is used for acquiring role names corresponding to the role face sample images;
and the feature library extracting unit is used for extracting feature information of the character face image, and the feature information is associated with the character name corresponding to the character face sample image to form a character feature library.
9. Player according to claim 8,
the feature library obtaining module is further configured to obtain the role face sample image and the role name corresponding to the role face sample image through the player sample library upgrading.
10. Player according to claim 6,
the face capturing module is also used for preprocessing the video file and acquiring a face image in the frame data of the video file;
the role recognition module is also used for extracting the characteristics of the face image in the video file frame data and determining the role name corresponding to the face image;
the player also comprises an identification information generation module which is used for generating role identification information according to the role name, the face coordinate position of the face image and the frame number of the face image, wherein the role identification information comprises the frame number, the face coordinate and the corresponding position of the corresponding frame of the role name in the video;
and the role identification module is also used for identifying the corresponding role name in the video according to the corresponding face coordinate position of the corresponding frame number in the video according to the role identification information during playing.
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| CN108337531A (en) * | 2017-12-27 | 2018-07-27 | 北京酷云互动科技有限公司 | Method for visualizing, device, server and the system of video feature information |
| CN108174270B (en) * | 2017-12-28 | 2020-12-01 | Oppo广东移动通信有限公司 | Data processing method, data processing device, storage medium and electronic equipment |
| CN108401176A (en) * | 2018-02-06 | 2018-08-14 | 北京奇虎科技有限公司 | A kind of method and apparatus for realizing video personage mark |
| CN109688455B (en) * | 2018-12-27 | 2021-03-09 | 北京字节跳动网络技术有限公司 | Video playing method, device and equipment |
| CN110837580A (en) * | 2019-10-30 | 2020-02-25 | 平安科技（深圳）有限公司 | Pedestrian picture marking method and device, storage medium and intelligent device |
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| CN101668176A (en) * | 2009-09-25 | 2010-03-10 | 北京酷联天下科技有限公司 | Multimedia content-on-demand and sharing method based on social interaction graph |
| CN101833569A (en) * | 2010-04-08 | 2010-09-15 | 中国科学院自动化研究所 | Method for automatically identifying film human face image |
| CN102521340A (en) * | 2011-12-08 | 2012-06-27 | 中国科学院自动化研究所 | Method for analyzing TV video based on role |
| CN104105010A (en) * | 2013-04-01 | 2014-10-15 | 云联（北京）信息技术有限公司 | Video playing method and device |
| CN103428537A (en) * | 2013-07-30 | 2013-12-04 | 北京小米科技有限责任公司 | Video processing method and video processing device |
| CN104602128A (en) * | 2014-12-31 | 2015-05-06 | 北京百度网讯科技有限公司 | Video processing method and device |
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