Use Matplotlib colormaps with OpenCV in Python.
Project description
cmapy
Use Matplotlib colormaps with OpenCV in Python.
Matplotlib provides a lot of nice colormaps. Cmapy exposes these colormaps as lists of colors that can be used with OpenCV to colorize images or for other drawing tasks in Python.
Original image | |||
---|---|---|---|
viridis |
See all of the available colormaps as of Matplotlib 2.2.3 in this all colormaps example.
Requirements
- Python 3.
- Matplotlib.
- OpenCV >= 3.3.0 (to use cv2.applyColorMap()).
Installation
pip3 install cmapy
How to use
Colorize images
Colorize means to apply a colormap to an image. This is done by calling the cv2.applyColorMap() function with a colormap, like this:
cv2.applyColorMap(img, cmapy.cmap('viridis'))
See the full colorize example.
Draw with colors
TODO: make an example.
Project details
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