www.gusucode.com > vision 源码程序 matlab案例代码 > vision/ComputeAndDisplayOpticalFlowExample.m
%% Compute Optical Flow Using Horn-Schunck Method % Read in a video file. % Copyright 2015 The MathWorks, Inc. vidReader = VideoReader('viptraffic.avi'); %% % Create optical flow object. opticFlow = opticalFlowHS; %% % Estimate the optical flow of objects in the video. while hasFrame(vidReader) frameRGB = readFrame(vidReader); frameGray = rgb2gray(frameRGB); flow = estimateFlow(opticFlow,frameGray); imshow(frameRGB) hold on plot(flow,'DecimationFactor',[5 5],'ScaleFactor',25) hold off end