title: Superimpose two images in MATLAB
body: <p>I want to superimpose two images of same dimensions in matlab. I tried to use <code>imfuse</code> function but the image I got was not the same as I wanted. </p>
  
  <p>The first image is the negative of the image obtained after applying Canny edge detector to my original image. I want to impose this negative image with black edges onto my original image.</p>
  
  <p>Can someone suggest some other function or method for superimposition of two images ?? Thanks and Regards.</p>