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ICCV
2005
IEEE
14 years 9 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....
ISSAC
1997
Springer
157views Mathematics» more  ISSAC 1997»
13 years 11 months ago
On the Worst-case Complexity of Integer Gaussian Elimination
Gaussian elimination is the basis for classical algorithms for computing canonical forms of integer matrices. Experimental results have shown that integer Gaussian elimination may...
Xin Gui Fang, George Havas
PVLDB
2008
107views more  PVLDB 2008»
13 years 6 months ago
Constrained locally weighted clustering
Data clustering is a difficult problem due to the complex and heterogeneous natures of multidimensional data. To improve clustering accuracy, we propose a scheme to capture the lo...
Hao Cheng, Kien A. Hua, Khanh Vu
DAS
2010
Springer
13 years 6 months ago
Automatic unsupervised parameter selection for character segmentation
A major difficulty for designing a document image segmentation methodology is the proper value selection for all involved parameters. This is usually done after experimentations o...
Georgios Vamvakas, Nikolaos Stamatopoulos, Basilio...
ICCD
2003
IEEE
143views Hardware» more  ICCD 2003»
14 years 25 days ago
Aggressive Test Power Reduction Through Test Stimuli Transformation
Excessive switching activity during shift cycles in scan-based cores imposes considerable test power challenges. To ensure rapid and reliable test of SOCs, we propose a scan chain...
Ozgur Sinanoglu, Alex Orailoglu