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Parallel algorithms for approximation of distance maps on parametric surfaces
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ACM Transactions on Graphics (TOG) archive
Volume 27 ,  Issue 4  (October 2008) table of contents
Article No. 104  
Year of Publication: 2008
ISSN:0730-0301
Authors
Ofir Weber  Technion Israel Institute of Technology
Yohai S. Devir  Technion Israel Institute of Technology
Alexander M. Bronstein  Technion Israel Institute of Technology
Michael M. Bronstein  Technion Israel Institute of Technology
Ron Kimmel  Technion Israel Institute of Technology
Publisher
ACM  New York, NY, USA
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ABSTRACT

We present an efficient O(n) numerical algorithm for first-order approximation of geodesic distances on geometry images, where n is the number of points on the surface. The structure of our algorithm allows efficient implementation on parallel architectures. Two implementations on a SIMD processor and on a GPU are discussed. Numerical results demonstrate up to four orders of magnitude improvement in execution time compared to the state-of-the-art algorithms.


REFERENCES

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Collaborative Colleagues:
Ofir Weber: colleagues
Yohai S. Devir: colleagues
Alexander M. Bronstein: colleagues
Michael M. Bronstein: colleagues
Ron Kimmel: colleagues