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» The Power of Linear Functions
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CVPR
2010
IEEE
14 years 3 months ago
Energy Minimization for Linear Envelope MRFs
Markov random fields with higher order potentials have emerged as a powerful model for several problems in computer vision. In order to facilitate their use, we propose a new rep...
Pushmeet Kohli, M. Pawan Kumar
ISSAC
2011
Springer
225views Mathematics» more  ISSAC 2011»
12 years 10 months ago
On the structure of compatible rational functions
A finite number of rational functions are compatible if they satisfy the compatibility conditions of a first-order linear functional system involving differential, shift and q-...
Shaoshi Chen, Ruyong Feng, Guofeng Fu, Ziming Li
CORR
2007
Springer
123views Education» more  CORR 2007»
13 years 7 months ago
Achieving the Gaussian Rate-Distortion Function by Prediction
Abstract— The “water-filling” solution for the quadratic ratedistortion function of a stationary Gaussian source is given in terms of its power spectrum. This formula natura...
Ram Zamir, Yuval Kochman, Uri Erez
VLSID
2006
IEEE
134views VLSI» more  VLSID 2006»
14 years 8 months ago
ADC Precision Requirement for Digital Ultra-Wideband Receivers with Sublinear Front-Ends: A Power and Performance Perspective
This paper presents the power and performance analysis of a digital, direct sequence ultra-wideband (DS-UWB) receiver operating in the 3 to 4 GHz band. The signal to noise and dis...
Ivan Siu-Chuang Lu, Neil Weste, Sri Parameswaran
GLOBECOM
2008
IEEE
13 years 7 months ago
Power Allocation for Cognitive Radios Based on Primary User Activity in an OFDM System
Efficient and reliable power allocation algorithm in Cognitive radio (CR) networks is a challenging problem. Traditional water-filling algorithm is inefficient for CR networks due ...
Ziaul Hasan, Ekram Hossain, Charles L. Despins, Vi...