This question is about the picamera python module.

The docs have information about applying a number of built-in so called image_effects in real time.

Does anyone have info on how to create a totally custom image effect? For example, if I want to completely change the color-map or apply some image processing algorithm like histogram equalization or some other real-time image enhancement.

  • i think that the image effects are built into the camera itself
    – jsotola
    May 19 '18 at 5:42

The image effects are built into the closed-source firmware and likely a low priority feature. All camara APIs and libraires interface with this firmware, which finally controls the camera. You can apply any post-processing you want with NumPy or Pillow yourself, though.

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