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CVPR
2012
IEEE
10 years 4 months ago
FREAK: Fast Retina Keypoint
A large number of vision applications rely on matching keypoints across images. The last decade featured an arms-race towards faster and more robust keypoints and association algo...
Alexandre Alahi, Raphael Ortiz, Pierre Vandergheyn...
CVPR
2012
IEEE
10 years 4 months ago
Geometric understanding of point clouds using Laplace-Beltrami operator
In this paper, we propose a general framework for approximating differential operator directly on point clouds and use it for geometric understanding on them. The discrete approxi...
Jian Liang, Rongjie Lai, Tsz Wai Wong, Hongkai Zha...
ICASSP
2011
IEEE
11 years 5 months ago
Efficient discrete fractional Hirschman optimal transform and its application
All of the existing N-point discrete fractional signal transforms require O(N2 ) computation complexity. In this paper, we propose a new discrete fractional signal transform whose...
Wen-Liang Hsue, Soo-Chang Pei, Jian-Jiun Ding
TPDS
2008
125views more  TPDS 2008»
12 years 1 months ago
Computation-Efficient Multicast Key Distribution
Efficient key distribution is an important problem for secure group communications. The communication and storage complexity of multicast key distribution problem has been studied ...
Lihao Xu, Cheng Huang
ESORICS
2006
Springer
12 years 5 months ago
Private Information Retrieval Using Trusted Hardware
Abstract. Many theoretical PIR (Private Information Retrieval) constructions have been proposed in the past years. Though information theoretically secure, most of them are impract...
Shuhong Wang, Xuhua Ding, Robert H. Deng, Feng Bao
ATAL
2004
Springer
12 years 7 months ago
Diagnosing a Team of Agents: Scaling-Up
Abstract. Agents in a team must be in agreement. Once a disagreement occurs we should detect the disagreement and diagnose it. Unfortunately, current diagnosis techniques do not sc...
Meir Kalech, Gal A. Kaminka
ICMCS
2005
IEEE
98views Multimedia» more  ICMCS 2005»
12 years 7 months ago
Hybrid Algorithm with Adaptive Complexity for Integer Pel Motion Estimation of H.264
Owing to the great computation complexity of the ME (motion estimation) in video coding, a lot of fast ME algorithms have been proposed in literature. Most of them are designed ba...
Li Zhang, Wen Gao
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