Source code for histomicstk.preprocessing.color_deconvolution.rgb_separate_stains_xu_snmf

from ..color_conversion import rgb_to_sda
from .separate_stains_xu_snmf import separate_stains_xu_snmf


[docs] def rgb_separate_stains_xu_snmf(im_rgb, I_0, *args, **kwargs): """Compute the stain matrix for color deconvolution with SNMF from an RGB image or matrix. Parameters ---------- im_rgb : array_like Image (MxNx3) or matrix (3xN) in RGB space for which to compute the stain matrix. I_0 : float or array_like Per-channel background intensities, or one intensity to use for all channels if a float. Returns ------- w : array_like A 3x3 matrix of stain column vectors, in SDA space Note ---- This is a thin wrapper around separate_stains_xu_snmf and as such the w_init parameter must be manually passed. For additional input arguments and documentation, please see histomicstk.preprocessing.color_deconvolution.separate_stains_xu_snmf. im_sda is computed and passed as part of this routine. See Also -------- histomicstk.preprocessing.color_deconvolution.separate_stains_xu_snmf """ im_sda = rgb_to_sda(im_rgb, I_0) return separate_stains_xu_snmf(im_sda, *args, **kwargs)