Sciweavers

2200 search results - page 235 / 440
» Objective reduction using a feature selection technique
Sort
View
124
Voted
ICCV
2007
IEEE
16 years 6 months ago
Shape Reconstruction Based on Similarity in Radiance Changes under Varying Illumination
This paper presents a technique for determining an object's shape based on the similarity of radiance changes observed at points on its surface under varying illumination. To...
Imari Sato, Takahiro Okabe, Qiong Yu, Yoichi Sato
ICML
2008
IEEE
16 years 5 months ago
Expectation-maximization for sparse and non-negative PCA
We study the problem of finding the dominant eigenvector of the sample covariance matrix, under additional constraints on the vector: a cardinality constraint limits the number of...
Christian D. Sigg, Joachim M. Buhmann
JMLR
2012
13 years 6 months ago
Sparse Higher-Order Principal Components Analysis
Traditional tensor decompositions such as the CANDECOMP / PARAFAC (CP) and Tucker decompositions yield higher-order principal components that have been used to understand tensor d...
Genevera Allen
ICPR
2002
IEEE
16 years 5 months ago
Spatial Texture Analysis: A Comparative Study
Image texture analysis has received a considerable amount of attention over the last few years as it forms the basis of most object recognition methods. It has been suggested by a...
Maneesha Singh, Sameer Singh
CIVR
2007
Springer
227views Image Analysis» more  CIVR 2007»
15 years 10 months ago
Video parsing based on head tracking and face recognition
In this paper, we describe a fully automatic video retrieval prototype system that uses an image or a video sequence of an interested identity as probe. The system is based on fac...
Pengxu Li, Haizhou Ai, Yuan Li, Chang Huang