ad of transposing the frames, one can start by transposing
the image. In this case, the frames <code/>f</code> have the standard
image convention, but the region seeds are in column-major format and
may need to be &quot;transposed&quot; as in:</p>

<div class="highlight"><pre><span class="p">[</span><span class="n">r</span><span class="p">,</span><span class="n">f</span><span class="p">]</span> <span class="p">=</span> <span class="n">vl_mser</span><span class="p">(</span><span class="n">I</span><span class