Counting black pixels in a binary image

How can I write a code to count the black pixels and the white pixels in a binary image?

Answer 1

[Turlough Hughes]

Let's say you have a binary image B. You can get the number of black pixels by:

numBlack=nnz(~B);

and the number of white pixels by:

numWhite=nnz(B);

[Turlough Hughes]

Fatema, did this help/work?

[fatema ali]

Yes it did, thank you.