[magick-users] convert -convolve , Convolution problem

[duc.sequere.aut.de.via.decede at imagemagick.org]

> convert b1.tif -convolve "0,1,0,1,1,1,0,1,0" out1.tif

Try the following

   convert b1.tif -convolve "0,1,0,1,1,1,0,1,0" out1.tif
   compare -metric mae b1.tif out1.tif out1.png

If the results of compare is 0, no changes were made to your original image.

In our tests, your convolution filter blurred the original.  We're using
ImageMagick 6.3.9-1.