Convert Some Pixel from binary image

2019 6 1
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更新时间：2019 6 3
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Dear all
If I have a binary image like the one below,
how i can remove the black color inside the white color?

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Walter Roberson
Walter Roberson 2019-6-2

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mohammed alany
mohammed alany 2019-6-2
thanks but i faced another problem,
how i can convert the image bellow
i need to remove just the small holesques2.jpg
Walter Roberson
Walter Roberson 2019-6-2
编辑：Image Analyst 2019-6-2
Complement the image, then call bwareafilt, then complement again.
mohammed alany
mohammed alany 2019-6-2
Dear Walter Roberson
still i cannot solve the problem,
Walter Roberson
Walter Roberson 2019-6-2
YourFilledImage = imcomplement(bwareafilt(imcomplement(im2bw(YourImage)),2));
mohammed alany
mohammed alany 2019-6-3
Many thanks for your help,

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