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CVPR
2008
IEEE
15 years 11 months ago
Interactive image segmentation via minimization of quadratic energies on directed graphs
We propose a scheme to introduce directionality in the Random Walker algorithm for image segmentation. In particular, we extend the optimization framework of this algorithm to com...
Dheeraj Singaraju, Leo Grady, René Vidal
CVPR
2008
IEEE
15 years 11 months ago
An efficient algorithm for compressed MR imaging using total variation and wavelets
Compressed sensing, an emerging multidisciplinary field involving mathematics, probability, optimization, and signal processing, focuses on reconstructing an unknown signal from a...
Shiqian Ma, Wotao Yin, Yin Zhang, Amit Chakraborty
ASAP
2007
IEEE
107views Hardware» more  ASAP 2007»
15 years 4 months ago
A Hardware-Oriented Method for Evaluating Complex Polynomials
A hardware-oriented method for evaluating complex polynomials by solving iteratively a system of linear equations is proposed. Its implementation uses a digit-serial iterations on...
Milos D. Ercegovac, Jean-Michel Muller
DAC
1996
ACM
15 years 1 months ago
A Boolean Approach to Performance-Directed Technology Mapping for LUT-Based FPGA Designs
Abstract -- This paper presents a novel, Boolean approach to LUTbased FPGA technology mapping targeting high performance. As the core of the approach, we have developed a powerful ...
Christian Legl, Bernd Wurth, Klaus Eckl
TIT
2010
115views Education» more  TIT 2010»
14 years 4 months ago
On resource allocation in fading multiple-access channels-an efficient approximate projection approach
We consider the problem of rate and power allocation in a multiple-access channel. Our objective is to obtain rate and power allocation policies that maximize a general concave ut...
Ali ParandehGheibi, Atilla Eryilmaz, Asuman E. Ozd...