How do I cut out the white border in this binary image, but keep the rest?

I want to be able to delete the white border for the image attached, but keep everything else. How do I go about doing this?

Answer 1

[Akira Agata]

Another possible way is to use bwconvfull function, like:

% Read and binarize the image
I = imread('inTT.png');
BW = imbinarize(rgb2gray(I));

% Delete white background using bwconvfull
BWConv = bwconvhull(~BW);
BW2 = BW & BWConv;

Answer 2

[KSSV]

https://in.mathworks.com/matlabcentral/answers/297568-how-to-remove-white-background-from-image