rgb2xyz skimage.color.rgb2xyz(rgb)

felzenszwalb skimage.segmentation.felzenszwalb(image, scale=1, sigma=0.8, min_size=20)

rag_boundary skimage.future.graph.rag_boundary(labels, edge_map, connectivity=2)

rag_mean_color skimage.future.graph.rag_mean_color(image, labels, connectivity=2, mode='distance', sigma=255.0)

deltaE_cie76 skimage.color.deltaE_cie76(lab1, lab2)

vprewitt skimage.filters.vprewitt(*args, **kwargs)

find_contours skimage.measure.find_contours(array, level, fully_connected='low', positive_orientation='low')

polygon_perimeter skimage.draw.polygon_perimeter(cr, cc, shape=None, clip=False)

canny skimage.feature.canny(image, sigma=1.0, low_threshold=None, high_threshold=None, mask=None, use_quantiles=False)

denoise_bilateral skimage.restoration.denoise_bilateral(image, win_size=None, sigma_color=None, sigma_spatial=1, bins=10000