MATLAB: How to get a noise free binary image? Specifically, what type of filters do I need to use to reduce noise

Question

I need to convert the gray scale image into binary image. But after conversion to binary, it produces noise. Now, I need to make the binary image noise free. What to do?

Here, the gray scale image as well as processed binary image are attached.

Answer 1

I hope these links help you.

https://in.mathworks.com/matlabcentral/answers/56974-how-to-reduce-noise-in-image#answer_68932 https://in.mathworks.com/matlabcentral/answers/328608-remove-noise-from-binary-image https://in.mathworks.com/matlabcentral/answers/326280-how-to-remove-noise-in-binary-image