www.gusucode.com > vision 源码程序 matlab案例代码 > vision/FindPointTracksAcrossASequenceOfImagesExample.m
%% Find Point Tracks Across Sequence of Images % % Load images. imageDir = fullfile(toolboxdir('vision'),'visiondata','structureFromMotion'); images = imageSet(imageDir); %% % Compute features for the first image. I = rgb2gray(read(images, 1)); pointsPrev = detectSURFFeatures(I); [featuresPrev,pointsPrev] = extractFeatures(I,pointsPrev); %% % Create a |viewSet| object. vSet = viewSet; vSet = addView(vSet,1,'Points',pointsPrev); %% % Compute features and matches for the rest of the images. for i = 2:images.Count I = rgb2gray(read(images,i)); points = detectSURFFeatures(I); [features, points] = extractFeatures(I,points); vSet = addView(vSet,i,'Points',points); pairsIdx = matchFeatures(featuresPrev,features); vSet = addConnection(vSet,i-1,i,'Matches',pairsIdx); featuresPrev = features; end %% % Find point tracks. tracks = findTracks(vSet);