Human motion data is practically used in some domains such as movies, CGs and so on. Creators use motion data to produce exciting and dangerous scenes without real actors. Human motion data has following features: 1. correlation between body parts We control all body parts in cooperation and motion data consists of the information of cooperation. For example, we swing both arms in turn to keep walking straight. There exists correlation between arms and legs. 2. correlation in the ow of contents There is tendency that certain movement likely to occurs after another movement. For example, once we raise our hands, we probably put our hands down in certain interval of time. This is correlation in time flow of motion.
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