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CVPR
2008
IEEE
16 years 6 months ago
Robust null space representation and sampling for view-invariant motion trajectory analysis
In this paper, we propose a novel robust retrieval and classification system for video and motion events based on null space representation. In order to analyze the robustness of ...
Xu Chen, Dan Schonfeld, Ashfaq A. Khokhar
ICIP
2005
IEEE
16 years 5 months ago
Expression-invariant face recognition via spherical embedding
Recently, it was proven empirically that facial expressions can be modelled as isometries, that is, geodesic distances on the facial surface were shown to be significantly less se...
Alexander M. Bronstein, Michael M. Bronstein, Ron ...
ICIP
2004
IEEE
16 years 5 months ago
A hidden markov model framework for traffic event detection using video features
We present a novel approach for highway traffic event detection. Our algorithm extracts features directly from the compressed video and automatically detects traffic events using ...
Xiaokun Li, Fatih Murat Porikli
DAC
2006
ACM
16 years 5 months ago
Fast analysis of structured power grid by triangularization based structure preserving model order reduction
In this paper, a Triangularization Based Structure preserving (TBS) model order reduction is proposed to verify power integrity of on-chip structured power grid. The power grid is...
Hao Yu, Yiyu Shi, Lei He
CHI
2003
ACM
16 years 4 months ago
Reflowing digital ink annotations
Annotating paper documents with a pen is a familiar and indispensable activity across a wide variety of work and educational settings. Recent developments in pen-based computing p...
David Bargeron, Tomer Moscovich