Expand description
Butteraugli metric calculation.
Butteraugli is a perceptual image quality metric developed by Google. Lower scores indicate better quality (more similar to reference).
Score interpretation:
- < 1.0: Imperceptible difference
- < 2.0: Marginal difference
- < 3.0: Subtle difference
- < 5.0: Noticeable difference
-
= 5.0: Degraded
§ICC Profile Support
Use calculate_butteraugli_icc for images with non-sRGB color profiles.
Functions§
- calculate_
butteraugli - Calculate Butteraugli distance between two images.
- calculate_
butteraugli_ icc - Calculate Butteraugli with ICC profile support.
- calculate_
butteraugli_ with_ intensity - Calculate Butteraugli with custom intensity target.