Interactive rendering of optical effects in wet hair
Proceedings of the 2007 ACM symposium on Virtual reality software and technology
Dual scattering approximation for fast multiple scattering in hair
ACM SIGGRAPH 2008 papers
Advanced techniques in real-time hair rendering and simulation
ACM SIGGRAPH 2010 Courses
Optimized framework for real time hair simulation
CGI'06 Proceedings of the 24th international conference on Advances in Computer Graphics
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Simulating fast and realistic complex light effect within hair is one of the most challenging problems in the field of virtual humans, both in terms of research and of development. In this paper we propose a scattering-based fast and efficient algorithm that handles both the local specular highlights and global self-shadow in animated hair at interactive rates. We introduce a fast refinement technique for incorporating illumination variations in animated hair from the encoded hair density changes considering the spatial coherency in hair data. Our method does pre-computations for any static hairstyle, optimizes it and then efficiently utilizes it along with the refined data for the animated hairstyle. The various optimizations implemented result in interactive simulation while maintaining the aesthetic visual appearance of the hair.