Computational Approaches to Image Understanding
ACM Computing Surveys (CSUR)
From Images to Surfaces: A Computational Study of the Human Early Visual System
From Images to Surfaces: A Computational Study of the Human Early Visual System
Computer Vision
Surface Perception from Local Analysis of Texture and Contour
Surface Perception from Local Analysis of Texture and Contour
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An extremum principle is developed that determines three-dimensional surface orientation from a two-dimensional contour. The principle maximizes (he ratio of the area to the square of the perimeter, a measure of the compactness or symmetry of the three-dimensional surface. The principle interprets regular figures correctly, it interprets skew symmetries as oriented real symmetries, and it is approximated by he maximum likelihood method on irregular figures.