发明授权
US07912298B2 Video evaluation device, frame rate determination device, video process device, video evaluation method, and video evaluation program
有权
视频评估装置,帧率确定装置,视频处理装置,视频评估方法和视频评估程序
- 专利标题: Video evaluation device, frame rate determination device, video process device, video evaluation method, and video evaluation program
- 专利标题(中): 视频评估装置,帧率确定装置,视频处理装置,视频评估方法和视频评估程序
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申请号: US11226317申请日: 2005-09-15
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公开(公告)号: US07912298B2公开(公告)日: 2011-03-22
- 发明人: Sadaatsu Kato , Choong Seng Boon , Tsutomu Horikoshi
- 申请人: Sadaatsu Kato , Choong Seng Boon , Tsutomu Horikoshi
- 申请人地址: JP Tokyo
- 专利权人: NTT DoCoMo, Inc.
- 当前专利权人: NTT DoCoMo, Inc.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JPP2004-270123 20040916; JPP2005-229618 20050808
- 主分类号: G06K9/36
- IPC分类号: G06K9/36 ; H04N11/02 ; G06K9/46
摘要:
A frame rate is determined in accordance with the smoothness in movement of a video. An amount of change detection section extracts an amount of change based on a plurality of frame pictures included in an input video signal input as a moving picture signal from the outside and outputs an amount of change to an evaluation value calculation section. The evaluation value calculation section computes an amount of change in time between each of the frame pictures based on the amount of change and the time interval between frame pictures based on frame rate information and evaluates an evaluation value for evaluating the smoothness in movement of an input video based on the amount of change in time. The evaluation value is output to the outside as a factor for determining a frame rate.
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