This package can let users use cv's built-in colormap in matplotlib, or use matplotlib's colormap in cv. To use an OpenCV colormap (e.g., jet) in a Matplotlib plot, use get_mpl_colormaps. This ...

According to matplotlib issue #20853 the interface for colormaps in matplotlib (mpl) changes. Method mpl.cm.get_cmap('name') is deprecated in version 3.7 and will be removed in version 3.9, probably ...