motion capture
US /ˈmoʊ.ʃən ˌkæp.tʃər/
UK /ˈmoʊ.ʃən ˌkæp.tʃər/
1.
the process or technique of recording the movement of objects or people. It is used in military, entertainment, sports, medical applications, and for validation of computer vision and robotics.
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The film used advanced motion capture technology for the animated characters.
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Athletes often use motion capture to analyze and improve their performance.