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ICASSP
2009
IEEE
14 years 2 months ago
Sparse LMS for system identification
We propose a new approach to adaptive system identification when the system model is sparse. The approach applies the ℓ1 relaxation, common in compressive sensing, to improve t...
Yilun Chen, Yuantao Gu, Alfred O. Hero III
VR
2008
IEEE
188views Virtual Reality» more  VR 2008»
14 years 2 months ago
A Universal Virtual Locomotion System: Supporting Generic Redirected Walking and Dynamic Passive Haptics within Legacy 3D Graphi
In this paper we introduce a virtual locomotion system that allows navigation within any large-scale virtual environment (VE) by real walking. In contrast to [5] we have developed...
Frank Steinicke, Timo Ropinski, Gerd Bruder, Klaus...
3DPVT
2006
IEEE
224views Visualization» more  3DPVT 2006»
14 years 1 months ago
3D Modeling Using Planar Segments and Mesh Elements
Range sensing technology allows the photorealistic modeling of large-scale scenes, such as urban structures. The generated 3D representations, after automated registration, are us...
Ioannis Stamos, Gene Yu, George Wolberg, Siavash Z...
ICIP
2002
IEEE
14 years 25 days ago
Video skims: taxonomies and an optimal generation framework
This paper presents a new conceptual framework for summarization that considers the relationship between entities, device properties and user information needs. We summarize using...
Hari Sundaram, Shih-Fu Chang
FOCS
1999
IEEE
14 years 5 days ago
Limits on the Efficiency of One-Way Permutation-Based Hash Functions
Naor and Yung show that a one-bit-compressing universal one-way hash function (UOWHF) can be constructed based on a one-way permutation. This construction can be iterated to build...
Jeong Han Kim, Daniel R. Simon, Prasad Tetali