How to convert colour image into binary image based on Threshold using MATLAB?

Query=> How to convert colour  image into binary image based on Threshold using MATLAB?...

Ans=> To convert colour image into binary image we have to use the syntax “im2bw”...An example is given below for reference...

a=imread('cameraman.tif');          %reading an image
b=im2bw(a,0.3);                          %coverting to binary based on Th value
figure,                                          %opening figure window
subplot(1,2,1),subimage(a);        %display colour image
subplot(1,2,2),subimage(b);        %display binary image

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