Title :
Kd-tree based fast facet visibility test in iterative physical optics
Author :
Hao Ding ; Pengcheng Gao ; Yubo Tao ; Hai Lin
Author_Institution :
State Key Lab. of CAD&CG, Zhejiang Univ., Hangzhou, China
Abstract :
This paper proposes a strict ray-based shadowing rule to compute the visibility between two facets in the iterative physical optics (IPO) method. This computation is further accelerated through the kd-tree structure to reduce the number of intersection tests between a ray and facets. Compared with previous IPO with a simplified shadowing rule, the proposed method is more efficient, accurate, and stable.
Keywords :
electromagnetic wave scattering; iterative methods; physical optics; ray tracing; trees (mathematics); IPO; intersection tests; iterative physical optics; kd-tree based fast facet visibility test; ray-based shadowing rule; strict shadowing test; Acceleration; Accuracy; Cavity resonators; Iterative methods; Life estimation; Physical optics; Shadow mapping;
Conference_Titel :
Antennas and Propagation Society International Symposium (APSURSI), 2013 IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
978-1-4673-5315-1
DOI :
10.1109/APS.2013.6711553
