How can i remove the black color from inside the white curve boundary

 采纳的回答

Use imfill with the 'holes' option.
% read the image
im = imread('http://www.mathworks.com/matlabcentral/answers/uploaded_files/8143/ar1.jpg');
% binarize it
bw = rgb2gray(im)>100;
% fill holes
out = imfill(bw,'holes');
% display image
imshow(out);

1 个评论

That finds the area of the completely filled white area. Exactly what do you mean when you say "the area of inside the white area". Do you mean the area of the black region that is inside the white area? If so, which one? There are several black regions inside the white region.

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