VahadaneExtractor¶
- class VahadaneExtractor(luminosity_threshold=0.8, regularizer=0.1)[source]¶
Vahadane stain extractor.
Get the stain matrix as defined in:
Vahadane, Abhishek, et al. “Structure-preserving color normalization and sparse stain separation for histological images.” IEEE transactions on medical imaging 35.8 (2016): 1962-1971.
This class contains code inspired by StainTools [https://github.com/Peter554/StainTools] written by Peter Byfield.
- Parameters:
Examples
>>> from tiatoolbox.tools.stainextract import VahadaneExtractor >>> from tiatoolbox.utils import imread >>> extractor = VahadaneExtractor() >>> img = imread('path/to/image') >>> stain_matrix = extractor.get_stain_matrix(img)
Initialize
VahadaneExtractor
.Methods
Stain matrix estimation.
- get_stain_matrix(img)[source]¶
Stain matrix estimation.
- Parameters:
img (
numpy.ndarray
) – Input image used for stain matrix estimationself (VahadaneExtractor)
- Returns:
Estimated stain matrix.
- Return type: