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Fast Depth-Image Messhing and Warping

By Renato Pajarola, Yu Meng and Miguel Sainz


In this paper we present a novel and efficient depthimage warping technique based on a piece-wise linear approximation of the depth-image as a textured and simplified triangle mesh. We describe the application of a hierarchical triangulation method to generate triangulated depthmeshes efficiently from depth-images, discuss alternative depth-mesh segmentation methods to avoid occlusion artifacts, and propose a new technique to reduce exposure artifacts that exploits hardware accelerated warping and weighted blending of multiple depth-images in real-time. Applications of our technique include image-based object representations, large scale walk-through visualization systems, as well as terrain rendering

Topics: accelerated
Year: 2002
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