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» Convexity, Duality and Effects
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CVPR
2011
IEEE
12 years 11 months ago
A Non-convex Relaxation Approach to Sparse Dictionary Learning
Dictionary learning is a challenging theme in computer vision. The basic goal is to learn a sparse representation from an overcomplete basis set. Most existing approaches employ a...
Jianping Shi, Xiang Ren, Jingdong Wang, Guang Dai,...
CN
2004
130views more  CN 2004»
13 years 7 months ago
The effect of bandwidth and buffer pricing on resource allocation and QoS
Congestion-based pricing of network resources is a common approach in evolving network architectures that support Quality of Service (QoS). Resource usage and QoS will thus fluctu...
Nan Jin, Scott Jordan
ICIP
2008
IEEE
14 years 9 months ago
Automated line flattening of Atomic Force Microscopy images
In this paper, an automated algorithm to flatten lines from Atomic Force Microscopy (AFM) images is presented. Due to the mechanics of the AFM, there is a curvature distortion (bo...
Sotirios A. Tsaftaris, Jana Zujovic, Aggelos K. Ka...
IDA
2010
Springer
13 years 6 months ago
Clustering with feature order preferences
We propose a clustering algorithm that effectively utilizes feature order preferences, which have the form that feature s is more important than feature t. Our clustering formulati...
Jun Sun, Wenbo Zhao, Jiangwei Xue, Zhiyong Shen, Y...
ICC
2007
IEEE
14 years 2 months ago
Energy and Utility Optimization in Wireless Networks with Random Access
— Energy consumption is a main issue of concern in wireless networks. Energy minimization increases the time that networks’ nodes work properly without recharging or substituti...
Amir Mahdi Khodaian, Babak Hossein Khalaj