Patent
Method for estimating volumetric distance maps from 2D depth images
Sarah F. Gibson,N. Perry Ronald +1 more
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TLDR
In this article, a volumetric distance map of an object is generated from one or more depth images of the object by casting parallel rays to the object and the parallel rays are cast perpendicular to the depth image.Abstract:
A volumetric distance map of an object is generated from one or more depth images of the object. Each depth image is projected onto the object by casting parallel rays to the object. The parallel rays are cast perpendicular to the depth image. Sample points in a projected distance volume represent distances from the distance map to a surface of the object. The magnitude of a local gradient at each sample point of the projected distance volume is determined, and each distance at each sample point is divided by the magnitude of the corresponding local gradient at each sample point to obtain a scalar distance to a closest surface of the object.read more
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References
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