Image-Based Visual Hulls

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Image-Based Visual Hulls

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Title: Image-Based Visual Hulls
Author: Raskar, Ramesh; Matusik, Wojciech; Buehler, Chris; Gortler, Steven; McMillan, Leonard

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Citation: Matusik, Wojciech, Chris Buehler, Ramesh Raskar, Steven J. Gortler, and Leonard McMillan. 2000. Image based visual hulls. In Proceedings of the 27th annual conference on Computer graphics and interactive techniques (SIGGRAPH 2000), July 23-28, 2000, New Orleans, Louisiana, ed. SIGGRAPH and Kurt Akeley, 369-374. Computer graphics annual conference series. New York, N.Y.: Association for Computing Machinery.
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Abstract: In this paper, we describe an efficient image-based approach to computing and shading visual hulls from silhouette image data. Our algorithm takes advantage of epipolar geometry and incremental computation to achieve a constant rendering cost per rendered pixel. It does not suffer from the computation complexity, limited resolution, or quantization artifacts of previous volumetric approaches. We demonstrate the use of this algorithm in a real-time virtualized reality application running off a small number of video streams.
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