GEGL edge-detect operations
artistic blend blur color compositors core debug denoise display distort dither edge-detect enhance fractal frequency generic gradient grayscale heal hidden illusions input layout light map math matting meta misc noise noise-reduction output porter-duff programming render scramble script segmentation sharpen svgfilter tile tonemapping transform transparency vector video
gegl:difference-of-gaussians
gegl:edge
gegl:edge-laplace
gegl:edge-neon
gegl:edge-sobel
gegl:image-gradient
