#cb30-4" aria-hidden="true" tabindex="-1"></a>  <span class="at">fill =</span> <span class="st">"white"</span>,</span>
<span id="cb30-5"><a href="#cb30-5" aria-hidden="true" tabindex="-1"></a>  <span class="at">alpha =</span> <span class="dv">1</span></span>
<span id="cb30-6"><a href="#cb30-6" aria-hidden="true" tabindex="-1"></a>)</span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
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<p>Because these images are binary valued the exclusive-or 