Or: fooling around with image processing kernels. Original greyscale: Edge fit + bw cutoff: Partition into multiple bw images and taking Laplacians: Plain Laplacian + bw cutoff: High frequency removal by partitioning into multiple bw images: Sexy dark high frequency removal: Subtracting low frequencies from original image: Overshooting Laplace central element (does this filter make … More The many faces of Mona Lisa