title: Apply MatplotLib or custom colormap to OpenCV image
body: <p>OpenCV has a limited amount of color maps. MatplotLib has many more color maps, but it is not straightforward to apply these colormaps to given OpenCV images. How to apply MatplotLib color maps from the page below to OpenCV images when using the Python API? This is similar to applying a custom colormap to a given image.</p>
  
  <p><a href="https://matplotlib.org/examples/color/colormaps_reference.html" rel="noreferrer">https://matplotlib.org/examples/color/colormaps_reference.html</a></p>