colour-science / colour / 23135380206

100%

develop: 100%

Pull #1397

github

Refactor *Munsell* module into a package and add *ONNX*-based conversions.

Restructure `colour.notation.munsell` from a single module into a package, splitting the existing code into `centore2014.py` and `value.py`.

Add `onnx.py` with pre-trained neural network models from the *colour-science/learning-munsell* *HuggingFace* repository for *Munsell* <-> *CIE xyY* conversions.

Add `colour.utilities.models` for downloading and caching remote files.

Performance improvements are as follows:

- xyY -> Munsell Colour: ~742x
- Munsell Colour -> xyY: ~27x

749 of 754 new or added lines in 13 files covered. (99.34%)

45380 of 45480 relevant lines covered (99.78%)

1.0 hits per line