Height and Gradient from Shading

dc.creator	Horn, Berthold K.P.
dc.date	2004-10-04T14:36:21Z
dc.date	2004-10-04T14:36:21Z
dc.date	1989-05-01
dc.date.accessioned	2013-10-09T02:42:29Z
dc.date.available	2013-10-09T02:42:29Z
dc.date.issued	2013-10-09
dc.identifier	AIM-1105
dc.identifier	http://hdl.handle.net/1721.1/6030
dc.identifier.uri	http://koha.mediu.edu.my:8181/xmlui/handle/1721
dc.description	The method described here for recovering the shape of a surface from a shaded image can deal with complex, wrinkled surfaces. Integrability can be enforced easily because both surface height and gradient are represented. The robustness of the method stems in part from linearization of the reflectance map about the current estimate of the surface orientation at each picture cell. The new scheme can find an exact solution of a given shape-from-shading problem even though a regularizing term is included. This is a reflection of the fact that shape-from-shading problems are not ill-posed when boundary conditions are available or when the image contains singular points.
dc.format	63 p.
dc.format	12861846 bytes
dc.format	5187712 bytes
dc.format	application/postscript
dc.format	application/pdf
dc.language	en_US
dc.relation	AIM-1105
dc.subject	photoclinometry
dc.subject	smoothness
dc.subject	depth and slope
dc.subject	shape fromsshading
dc.subject	variational methods
dc.subject	digital elevation models
dc.title	Height and Gradient from Shading

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