Enhanced Forest Microexpression Recognition Based on Optical Flow Direction Histogram and Deep Multiview Network

<div>Photorheological chart of microexpression Sequence. (a) The original sequence of pictures in three stages of microexpression. (b) Optical flow direction histogram between adjacent frames in the whole process.</div>

Mathematical Problems in Engineering

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Figure 4: Enhanced Forest Microexpression Recognition Based on Optical Flow Direction Histogram and Deep Multiview Network 