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SIAMMA
2011
71views more  SIAMMA 2011»
13 years 4 months ago
Reconstruction of Penetrable Obstacles in Acoustic Scattering
We develop a reconstruction algorithm to determine penetrable obstacles inside a domain in the plane from acoustic measurements made on the boundary. This algorithm uses complex g...
Sei Nagayasu, Gunther Uhlmann, Jenn-Nan Wang
ICIP
2010
IEEE
13 years 7 months ago
A fast accurate implicit polynomial fitting approach
This paper presents a novel hybrid approach that combines state of the art fitting algorithms: algebraic-based and geometric-based. It consists of two steps; first, the 3L algorit...
Mohammad Rouhani, Angel Domingo Sappa
TSMC
2010
13 years 4 months ago
Geometric Distortion Insensitive Image Watermarking in Affine Covariant Regions
Feature-based image watermarking schemes, which aim to survive various geometric distortions, have attracted great attention in recent years. Existing schemes have shown robustness...
Xinbo Gao, Cheng Deng, Xuelong Li, Dacheng Tao
ISSAC
1997
Springer
194views Mathematics» more  ISSAC 1997»
14 years 1 months ago
The Minimised Geometric Buchberger Algorithm: An Optimal Algebraic Algorithm for Integer Programming
IP problems characterise combinatorial optimisation problems where conventional numerical methods based on the hill-climbing technique can not be directly applied. Conventional me...
Qiang Li, Yike Guo, Tetsuo Ida, John Darlington