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How to generate a bitmap image without using function...Please help

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Sreeda M A
Sreeda M A 2016-6-29
评论： Sreeda M A 2016-8-10
How can i generate bitmap representation of an image using thresholding?? below code didn't work....
for i=1:r
for j=1:s
thresh=C(i,j)+Di;
if(imean(i,j)>=thresh)
bm(i,j)=1;
else
bm(i,j)=0;
end
end
end
figure
imshow(bm);
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Image Analyst
Image Analyst 2016-7-4
编辑：Image Analyst 2016-7-4
I fixed your formatting for you, but please read this.
Also to do a locally adaptive threshold like you did, you can do it vectorized if you just create an m1 (or n1) image with conv2() or imfilter(), then use >=. Let me know if you can't figure it out.
bm =

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回答（1 个）

Walter Roberson
Walter Roberson 2016-6-29
thresh = C + Di;
bm = imean >= thresh;
No loop required.

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