Filling a part of binary image with zeros

How to fill a part of binary image using zeros

i used

BW2(2:202,112:339)= zeros(201,268);

But the result gives me a larger image than the input image and not filled properly with 0's

Answer 1

[Image Analyst]

Don't use a double array, just use a logical:

BW2(2:202,112:339)= false;