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This example draw rectangle on the image in matlab using imrect function .

Code:


    NumberArrays
=[20 20 120 120]
    % 
Show the Image
    figure
(1), imshow('000067.jpg');
    
imrect(gcaNumberArrays);
    
addNewPositionCallback(h,@(ptitle(mat2str(p,3)));
    % 
recall function to draw the rectangle
    
fcn makeConstrainToRectFcn('imrect',get(gca,'XLim'),get(gca,'YLim'));
    
setPositionConstraintFcn(h,fcn); 

 




_________________
M. S. Rakha, Ph.D.
Queen's University
Canada


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