基于Matlab编程的汽车框定[Matlab编程].zip

clc [fname,pname,index] = uigetfile({'*.jpg';'*.bmp'},'选择图片'); str = [pname fname]; gray_img= imread(str); mainfc; bw_img=gray_img<200; bw_img=~bw_img; figure(1) subplot(121),imshow(gray_img);title('原图'); subplot(122),imshow(bw_img);title('初步定位图'); se=strel('disk',30); img2=imdilate(bw_img,se); figure(2);imshow(img2);title('膨胀运算'); %%去除最小面积 img4=bwareaopen(img2,10000); %%%去除面积大于10000的像素块,bw为二值图 figure(3) imshow(img4); title('去除最小面积'); %%显示缺陷 Img = gray_img .* uint8(img4); figure(4) imshow(Img); title('留下定位到的区域图'); %%%定位计数 L = bwlabel(img4);%默认8连通； bwlabe(bw,4); STATS = regionprops(L,'all');%STATS中含有所有连通域的properations %在bw图像上绘制出连通域的矩形框 figure(5); imshow(gray_img); title('定位图') hold on for i = 1 : size(STATS, 1) boundary = STATS(i).BoundingBox; rectangle('Position',boundary,'edgecolor','r' ); end