The image motion is obtained by the gray project and then the motion data is accurately detected by the grid detection and bit plane match method.

算法采用灰度投影获取全局运动，用网格检测和灰度切分图精确匹配的方法获取更准确的运动数据。

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"I'll have an idea -- an image of a horse race or a polo match -- and sketch it until I get something that has motion and movement, " he said.

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