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CVPR
2008
IEEE
14 years 6 months ago
Performance evaluation of state-of-the-art discrete symmetry detection algorithms
Symmetry is one of the important cues for human and machine perception of the world. For over three decades, automatic symmetry detection from images/patterns has been a standing ...
Minwoo Park, Seungkyu Lee, Po-Chun Chen, Somesh Ka...
PAMI
2010
174views more  PAMI 2010»
13 years 3 months ago
Skewed Rotation Symmetry Group Detection
—We present a novel and effective algorithm for affinely skewed rotation symmetry group detection from real-world images. We define a complete skewed rotation symmetry detectio...
Seungkyu Lee, Yanxi Liu
CVPR
2008
IEEE
13 years 11 months ago
Rotation symmetry group detection via frequency analysis of frieze-expansions
We present a novel and effective algorithm for rotation symmetry group detection from real-world images. We propose a frieze-expansion method that transforms rotation symmetry gro...
Seungkyu Lee, Robert T. Collins, Yanxi Liu
CATS
2008
13 years 6 months ago
On the Efficiency of Pollard's Rho Method for Discrete Logarithms
Pollard's rho method is a randomized algorithm for computing discrete logarithms. It works by defining a pseudo-random sequence and then detecting a match in the sequence. Ma...
Shi Bai, Richard P. Brent
ICB
2009
Springer
586views Biometrics» more  ICB 2009»
13 years 11 months ago
Face Image Quality Evaluation for ISO/IEC Standards 19794-5 and 29794-5
Face recognition performance can be significantly influenced by face image quality. The approved ISO/IEC standard 19794-5 has specified recommendations for face photo taking for...
Jitao Sang, Zhen Lei, Stan Z. Li