Quickly Creating Illumination-Controllable Point-Based Models from Photographs

Conference paper
Part of the Advances in Intelligent and Soft Computing book series (AINSC, volume 145)

Abstract

Based on the theory of visual hulls, this paper presents a method to create point based models for real objects. Instead of using the expensive special equipments such as 3D laser scanners, this method deals with some silhouette images of the objects, and generates uniformly point-sampled models. We adopt a uniform-interval index table to organize the silhouette edges of each sample image, which provides much flexibility for point sampling. Moreover, combining the surface splatting technology and Layered Depth Buffers (LDB), we introduce a new algorithm to judge the visibilities of the points. The experimental results have shown the high accuracy of the visibility judgment.

Keywords

point based modeling illumination layered depth buffer 

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.College of Information ScienceBeijing Language and Culture UniversityBeijingChina

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