tracking.rar_matlab 图像分割_目标检测_运动图像分割_运动目标_运动目标分割

function d = tracking (video) if ischar (video) avi = VideoReader (video); pixels = double (cat (4, avi(1:2:end).cdate))/255; clear avi else pixels = double (cat (4, video{1:2:end}))/255; clear vedio end nFrames = size (pixels,4); for f = 1:nFrames pixel(:,:,f) = (rgb2gray (pixels (:,:,f))); end [rows, cols]=size(pixel(:,:,1)); nrames = f; for l = 2:nrames d(:,:,l) = (abs(pixel( :, :, l) - pixel( :, :, l-1))); k = d( :, :, l); bw( :, :, l)=im2bw(k, .2); bw1 = bwlabel(bw( :, :, l)); inshow(bw( :, :, l)) hold on cou = 1; for h = 1:rows for w = 1:cols if(bw(h,w,l)>0.5) toplen = h; if (cou == 1) tpln = toplen; end cou = cou + 1; break end end end disp(toplen); coun = 1; for w = 1:cols for h = 1:rows if (bw(h,w,l)>0.5) leftsi = w; if (coun == 1) lftln = leftsi; coun = coun +1; end break end end end disp(leftsi); disp(lftln); widh = leftsi - lftln; heig = toplen - tpln; widt = widh/2; disp(widt); heit = heig/2; with = lftln + widt; heth = tpln + heit; wth(l) = with; hth(l) = heth; disp(heit); disp(widh); disp(heig); rectangle('Position', [lftln tpln widh heig], 'EdgeColor', 'r' ); disp(with); disp(heth); plot(with, heth, 'r*'); drawnow; hold off end