le/witec_image_1.mat&quot;</span><span class="p">,</span> <span class="o">...</span><span class="p">,</span> <span class="s2">&quot;path/to/file/witec_image_n.mat&quot;</span><span class="p">]</span>
<span class="n">raman_image_stack</span> <span class="o">=</span> <span class="p">[</span><span class="n">rp</span><span class="o">.</span><span class="n">load</span><span class="o">.</span><span class="n">witec</span><span class="p">(</span><span class="n">image_layer_file</span><span class="p">)</span> <span 