Introduction - If you have any usage issues, please Google them yourself
Three differential algorithm is an improved method of two-frame difference algorithm adjacent, it selected three consecutive frames of a video image difference operation, eliminate the effects of the movement and reveals the background to extract precise moving object silhouette information. The basic principle of the algorithm is to select a video sequence of three consecutive frame images
And calculating a difference image of two adjacent frames, respectively, then the differential image obtained by selecting the appropriate threshold binarization processing to obtain a binarized image, the final binary image obtained at each pixel and performs a logical operation to get together parts, thereby to obtain contour information of the moving object.