Textons, the elements of texture perception, and their interactions.
Research with texture pairs having identical second-order statistics has revealed that the pre-attentive texture discrimination system cannot globally process third- and higher-order statistics, and that discrimination is the result of a few local conspicuous features, called textons. It seems that only the first-order statistics of these textons have perceptual significance, and the relative phase between textons cannot be perceived without detailed scrutiny by focal attention.
D001288:Attention; D004192:Discrimination, Psychological; D005556:Form Perception; D006801:Humans; D008433:Mathematics; D008960:Models, Psychological; D010364:Pattern Recognition, Visual