Problem regarding image processing in binary image

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Adrian Lim
Adrian Lim 2018 年 7 月 11 日
コメント済み: KALYAN ACHARJYA 2018 年 7 月 30 日
I'm currently working on image processing on an image on streets. Here are the codes I'm currently using
C=im2double(img);
B=im2double(bgd);
maxchan=max(B,[],3);
threshmax = multithresh(maxchan,4);Qmax=imquantize(maxchan,threshmax);
bw=bwareafilt( Qmax==2,1);
bw=imclose(bw,strel('disk',10));
D=rgb2gray(bw.*(C-B));
thresh=multithresh(D,2);
result=bwareafilt( imquantize(D,thresh)>1, [10,inf]);
result2=imfill(result,'holes')
imshow(result2)
Then, I'll have a result as following
Are there any solutions to get a more complete car-shaped white blob and remove the lines on the road ?? This is because I'm attempting to count the number of the cars. There is another problem where if i take another picture with different lighting or different angle, the result of the image could be worse where i could not see any blobs. The images of the current image are attached as .m files. Thank you in advance. The other pictures where I could not extract anything are also attached.

採用された回答

Image Analyst
Image Analyst 2018 年 7 月 11 日
I'd use imclose() first to connect some separate blobs, like the car split into two or 3 parts due to a luggage rack on the roof. Then use bwareaopen() or bwareafilt() to get rid of blobs smaller than a certain size.
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Adrian Lim
Adrian Lim 2018 年 7 月 11 日
I've tried searching for informations and I've looked through those sites. The problem that I am facing is im using images but not videos. I'm using a webcam to snapshot from the model by putting cars on it and trying subtraction method to remove the background and count the cars.

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その他の回答 (1 件)

KALYAN ACHARJYA
KALYAN ACHARJYA 2018 年 7 月 11 日
%% To remove roads
LB=2000;
seg=bwareaopen(result2,LB);
figure, imshow(seg)
  2 件のコメント
KALYAN ACHARJYA
KALYAN ACHARJYA 2018 年 7 月 30 日
Welcome

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