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CORR
2007
Springer
167views Education» more  CORR 2007»
13 years 9 months ago
Optimal Solutions for Sparse Principal Component Analysis
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a linear combination of the input variables while constraining the number of nonze...
Alexandre d'Aspremont, Francis R. Bach, Laurent El...
CVPR
2010
IEEE
14 years 5 months ago
Human Identity Recognition in Aerial Images
Human identity recognition is an important yet underaddressed problem. Previous methods were strictly limited to high quality photographs, where the principal techniques heavily...
Omar Oreifej, Ramin Mehran, and Mubarak Shah
CIVR
2007
Springer
247views Image Analysis» more  CIVR 2007»
14 years 3 months ago
Near-duplicate keyframe retrieval with visual keywords and semantic context
Near-duplicate keyframes (NDK) play a unique role in large-scale video search, news topic detection and tracking. In this paper, we propose a novel NDK retrieval approach by explo...
Xiao Wu, Wanlei Zhao, Chong-Wah Ngo
IBPRIA
2005
Springer
14 years 2 months ago
Robust Person-Independent Visual Sign Language Recognition
Sign language recognition constitutes a challenging field of research in computer vision. Common problems like overlap, ambiguities, and minimal pairs occur frequently and require...
Jörg Zieren, Karl-Friedrich Kraiss
MM
2010
ACM
164views Multimedia» more  MM 2010»
13 years 7 months ago
Visual search applications for connecting published works to digital material
Visual search connects physical (offline) objects with (online) digital media. Using objects from the environment, like newspapers, magazines, books and posters, we can retrieve s...
Jamey Graham, Jorge Moraleda, Jonathan J. Hull, Ti...