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ICCV
2005
IEEE
16 years 3 months ago
Passive Photometric Stereo from Motion
We introduce an iterative algorithm for shape reconstruction from multiple images of a moving (Lambertian) object illuminated by distant (and possibly time varying) lighting. Star...
Jongwoo Lim, Jeffrey Ho, Ming-Hsuan Yang, David J....
SIGMOD
2005
ACM
74views Database» more  SIGMOD 2005»
16 years 2 months ago
Online B-tree Merging
Many scenarios involve merging of two B-tree indexes, both covering the same key range. Increasing demand for continuous availability and high performance requires that such mergi...
Xiaowei Sun, Rui Wang 0002, Betty Salzberg, Chendo...
ICB
2009
Springer
140views Biometrics» more  ICB 2009»
15 years 8 months ago
A Discriminant Analysis Method for Face Recognition in Heteroscedastic Distributions
Linear discriminant analysis (LDA) is a popular method in pattern recognition and is equivalent to Bayesian method when the sample distributions of different classes are obey to t...
Zhen Lei, ShengCai Liao, Dong Yi, Rui Qin, Stan Z....
ICPR
2008
IEEE
15 years 8 months ago
Online personal identification in night using multiple face representations
This paper details a fully automated face authentication system using low-cost near infrared imaging. The image normalization step consists of eye center localization, scale corre...
Ajay Kumar, T. Srikanth
GFKL
2007
Springer
139views Data Mining» more  GFKL 2007»
15 years 8 months ago
The Noise Component in Model-based Cluster Analysis
The so-called noise-component has been introduced by Banfield and Raftery (1993) to improve the robustness of cluster analysis based on the normal mixture model. The idea is to ad...
Christian Hennig, Pietro Coretto