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

Question

Akhilesh Singh 2014-2-14

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/116172-how-can-i-remove-the-black-color-from-inside-the-white-curve-boundary

编辑： Akhilesh Singh 2014-5-22

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

what mean this line a=Image1(:,:,1);

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Answer 1

Anand 2014-2-14

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/116172-how-can-i-remove-the-black-color-from-inside-the-white-curve-boundary#answer_124427

在 MATLAB Online 中打开

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);

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Image Analyst 2014-2-15

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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