colour_hdri.recovery.highlights Module

Clipped Highlights Recovery

Defines the clipped highlights recovery objects:

See also

Colour - HDRI - Examples: Merge from Raw Files Jupyter Notebook

colour_hdri.recovery.highlights.highlights_recovery_blend(RGB, multipliers, threshold=0.99)[source]

Performs highlights recovery using Coffin (1997) method from dcraw.

Parameters:
  • RGB (array_like) – RGB colourspace array.
  • multipliers (array_like) – Normalised camera white level or white balance multipliers.
  • threshold (numeric, optional) – Threshold for highlights selection.
Returns:

Highlights recovered RGB colourspace array.
Return type:

ndarray

References

[1]Coffin, D. (2015). dcraw. Retrieved from https://www.cybercom.net/~dcoffin/dcraw/
colour_hdri.recovery.highlights.highlights_recovery_LCHab(RGB, threshold=None, RGB_colourspace=<Mock name='mock.sRGB_COLOURSPACE' id='139671442522744'>)[source]

Performs highlights recovery in CIE LCHab colourspace.

Parameters:
  • RGB (array_like) – RGB colourspace array.
  • threshold (numeric, optional) – Threshold for highlights selection, automatically computed if not given.
  • RGB_colourspace (RGB_Colourspace, optional) – Working RGB colourspace to perform the CIE LCHab to and from.
Returns:

Highlights recovered RGB colourspace array.
Return type:

ndarray