Convert Some Pixel from binary image

Dear all

If I have a binary image like the one below,

how i can remove the black color inside the white color?

Answer 1

[Walter Roberson]

https://www.mathworks.com/help/images/ref/imfill.html imfill() with 'holes'

[mohammed alany]

thanks but i faced another problem,

how i can convert the image bellow

i need to remove just the small holes

[Walter Roberson]

Complement the image, then call bwareafilt, then complement again.

[mohammed alany]

Dear Walter Roberson

still i cannot solve the problem,

[Walter Roberson]

YourFilledImage = imcomplement(bwareafilt(imcomplement(im2bw(YourImage)),2));

[mohammed alany]

Many thanks for your help,