发明名称 |
METHOD AND APPARATUS TO EXTRACT KEY VIDEO FRAMES FROM ONLINE EDUCATION |
摘要 |
A method stored in a computer readable medium, including identifying a predetermined object having viewable information from a plurality of frames, identifying a movement of the predetermined object from a video stream of the plurality of frames, identifying a current state of the predetermined object based on a movement of another object or region from the plurality of frames having an occlusion region of a current frame, determining an information change of the viewable information in the plurality of frames, marking a frame with maximum information of the viewable information in the predetermined object as a key frame; and serializing the key frame according to time stamps. |
申请公布号 |
US2017092333(A1) |
申请公布日期 |
2017.03.30 |
申请号 |
US201514869320 |
申请日期 |
2015.09.29 |
申请人 |
International Business Machines Corporation |
发明人 |
Li Feng;Li Qi Cheng;Mei Li Jun;Zhou Xin |
分类号 |
G11B27/22;G09B5/02;G06K9/00;G11B27/34;G11B27/06 |
主分类号 |
G11B27/22 |
代理机构 |
|
代理人 |
|
主权项 |
1. A method stored in a computer readable medium, comprising:
identifying a predetermined object having viewable information from a plurality of frames; identifying a movement of the predetermined object from a video stream of the plurality of frames; identifying a current state of the predetermined object based on a movement of another object or region from the plurality of frames having an occlusion region of a current frame; determining an information change of the viewable information in the plurality of frames; marking a frame with maximum information of the viewable information in the predetermined object as a key frame; and serializing the key frame according to time stamps. |
地址 |
Armonk NY US |