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| video motion analysis ： ウィキペディア英語版 |
video motion analysis
Video motion analysis is a technique used to get information about moving objects from video. Examples of this include gait analysis,〔Gait Analysis 〕 sport replays, speed and acceleration calculations and, in the case of team or individual sports, task performance analysis. The motions analysis technique usually involves a high-speed camera and a computer that has software allowing frame-by-frame playback of the video.
==Uses==
Traditionally, video motion analysis has been used in scientific circles for calculation of speeds of projectiles, or in sport for improving play of athletes. Recently, computer technology has allowed other applications of video motion analysis to surface including things like teaching fundamental laws of physics to school students, or general educational projects in sport and science.
In sport, systems have been developed to provide a high level of task, performance and physiological data to coaches, teams and players. The objective is to improve individual and team performance and/or analyse opposition patterns of play to give tactical advantage. The repetitive and patterned nature of sports games lends itself to video analysis in that over a period of time real patterns, trends or habits can be discerned.
Police and forensic scientists analyse CCTV video when investigating criminal activity. Police use software which performs video motion analysis to search for key events in video and find suspects.〔(【引用サイトリンク】url=http://www.riskmanager.ie/index.php/blog/northgate-teams-with-dublin-tech-firm-kinesense-to-help-police-video-analysis/ )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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