matlab program to seperate the tracking object

iam new to matlab.i detect tracking object.now i need to seperate tracking object(taken out object). i used the code from moving object tracking based on back ground subtraction by diego barragan .i dont know how to seperate.pls help to me .i need that rectangle seperate.

Answer 1

[Image Analyst]

Use imcrop().

Answer 2

[project9 batch]

how to separate background from original image sir please help me for this

[Walter Roberson]

https://www.mathworks.com/matlabcentral/linkexchange/links/4074-matlab-code-for-background-subtraction-and-blob-detection