n:</p>

<precode type='matlab'>
[r,f] = vl_mser(I') ;
[i,j] = sub2ind(size(I'),r) ;
r  = ind2sub(size(I),j,i) ;
</precode>

<p>The command line utility <code>mser</code> uses the normal image
convention (because images are rasterized in column-major
order). Therefore the image frames are in the standard format, and the
region seeds are in column major format.</p>

<p>In order to convert from the command line utility convention to
the MATLAB convention one needs also to recall that MATLAB coordinates
starts 