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CVPR
2004
IEEE
14 years 10 months ago
Frame Synchronization and Multi-Level Subspace Analysis for Video Based Face Recognition
In this paper, we develop a new video-to-video face recognition algorithm. The major advantage of the video based method is that more information is available in a video sequence ...
Xiaoou Tang, Zhifeng Li
AAAI
2011
12 years 8 months ago
Convex Sparse Coding, Subspace Learning, and Semi-Supervised Extensions
Automated feature discovery is a fundamental problem in machine learning. Although classical feature discovery methods do not guarantee optimal solutions in general, it has been r...
Xinhua Zhang, Yaoliang Yu, Martha White, Ruitong H...
CVPR
2009
IEEE
1133views Computer Vision» more  CVPR 2009»
15 years 3 months ago
Sparse Subspace Clustering
We propose a method based on sparse representation (SR) to cluster data drawn from multiple low-dimensional linear or affine subspaces embedded in a high-dimensional space. Our ...
Ehsan Elhamifar, René Vidal
SDM
2009
SIAM
205views Data Mining» more  SDM 2009»
14 years 5 months ago
Identifying Information-Rich Subspace Trends in High-Dimensional Data.
Identifying information-rich subsets in high-dimensional spaces and representing them as order revealing patterns (or trends) is an important and challenging research problem in m...
Chandan K. Reddy, Snehal Pokharkar
AUTOMATICA
2005
61views more  AUTOMATICA 2005»
13 years 8 months ago
Subspace system identification for training-based MIMO channel estimation
The application of state-space-based subspace system identification methods to training-based estimation for quasi-static multiinput
Chengjin Zhang, Robert R. Bitmead