Design and Evaluation of More Accurate Gradient Operators on Hexagonal Lattices
IEEE Transactions on Pattern Analysis and Machine Intelligence
By Tetsuo Shima, Suguru Saito, Masayuki Nakajima
Publication Date: November 2009
Digital two-dimensional images are usually sampled on square lattices, while the receptors of the human eye are following a hexagonal structure. It is the main motivation for adopting hexagonal lattices. The fundamental operation in many image processing a...