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110
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ICIP
2006
IEEE
16 years 3 months ago
Invertible Filter Banks on the 2-Sphere
Multiscale filtering methods, such as wavelets and steerable pyramids, are widely used in processing and analysis of planar images and promise similar benefits in application to s...
B. T. Thomas Yeo, Wanmei Ou, Polina Golland
59
Voted
ISCAS
2007
IEEE
93views Hardware» more  ISCAS 2007»
15 years 8 months ago
High Speed Sphere Decoding Based on Vertically Incremental Computation
— Sphere decoding enables maximum likelihood (ML) detection with lower complexity than other decoding algorithms, but it still suffers from large computational delay. This paper ...
Se-Hyeon Kang, In-Cheol Park
CGF
2008
137views more  CGF 2008»
15 years 1 months ago
Real-Time Indirect Illumination and Soft Shadows in Dynamic Scenes Using Spherical Lights
We present a method for rendering approximate soft shadows and diffuse indirect illumination in dynamic scenes. The proposed method approximates the original scene geometry with a...
P. Guerrero, Stefan Jeschke, Michael Wimmer
ECCV
1998
Springer
16 years 3 months ago
Faithful Least-Squares Fitting of Spheres, Cylinders, Cones and Tori for Reliable Segmentation
Abstract. This paper addresses a problem arising in the reverse engineering of solid models from depth-maps. We wish to identify and fit surfaces of known type wherever these are a...
A. David Marshall, Gábor Lukács, Ral...
ICIP
2005
IEEE
15 years 7 months ago
Curvelet transform on the sphere
We present in this paper new multiscale transforms on the sphere, namely the isotropic undecimated wavelet transform, the pyramidal wavelet transform, the ridgelet transform and t...
Pierrick Abrial, Jean-Luc Starck, Yassir Moudden, ...