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Optical Flow




Optical flow is useful in Pattern Recognition , Computer Vision , and other Image Processing applications. It is closely related to Motion Estimation and Motion Compensation . Often the term ''optical flow'' is used to describe a dense Motion Field with vectors at each pixel, as opposed to motion estimation or compensation which uses vectors for blocks of pixels, as in Video Compression methods such as MPEG . Some consider using optical flow as in Collision avoidance and Altitude acquisition system for Micro Air Vehicle s (MAVs).


SOME METHODS FOR DETERMINING OPTICAL FLOW