A simple hatching filter for digital images
Ovidiu Cosma, Gheorghe Ardelean, Oliviu Matei · DOAJ (DOAJ: Directory of Open Access Journals) · 2017
Hatching is a well-known technique of nonphotorealistic rendering. There have been proposed various computer hatching techniques that are trying to imitate the classic styles used by artists and designers. The hatch technique proposed in this article attempts to simulate as accurately as possible the gray tones in an image, using parallel lines placed horizontally or vertically