Visual hull construction based on line segments

In this paper we address the problem of automated visual hull computation. This problem is important for various tasks from three dimensional object modeling to markerless motion capture. Different from classical visual hull method that are based on volume or surface, we compute the visual hull through operations on line segments. General intersection and surface reconstruction operations on line segments are proposed together with efficient algorithms. Experimental results demonstrate that the proposed approach can generate a robust and reliable visual hull. ©2010 IEEE.