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

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Image1 = imread('image.jpg');% image read
a=Image1(:,:,1);
what mean this line a=Image1(:,:,1);

Accepted Answer

Anand
Anand on 14 Feb 2014
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 Comment
Image Analyst
Image Analyst on 15 Feb 2014
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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