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PR
2010
184views more  PR 2010»
15 years 5 months ago
Total variation, adaptive total variation and nonconvex smoothly clipped absolute deviation penalty for denoising blocky images
The total variation-based image denoising model has been generalized and extended in numerous ways, improving its performance in different contexts. We propose a new penalty func...
Aditya Chopra, Heng Lian
STTT
2010
134views more  STTT 2010»
15 years 4 months ago
A case study to evaluate the suitability of graph transformation tools for program refactoring
This article proposes a case study to evaluate the suitability of graph transformation tools for program refactoring. In order to qualify for this purpose, a graph transformation s...
Francisco Javier Pérez, Yania Crespo, Berth...
ICIP
2009
IEEE
15 years 4 months ago
A novel two-tier Bayesian based method for hair segmentation
In this paper, a novel two-tier Bayesian based method is proposed for hair segmentation. In the first tier, we construct a Bayesian model by integrating hair occurrence prior prob...
Dan Wang, Shiguang Shan, Wei Zeng, Hongming Zhang,...
JMLR
2010
93views more  JMLR 2010»
15 years 1 months ago
Distinguishing between cause and effect
We propose a novel method for inferring whether X causes Y or vice versa from joint observations of X and Y . The basic idea is to model the observed data using probabilistic late...
Joris M. Mooij, Dominik Janzing
TWC
2010
15 years 1 months ago
Performance of an Energy Detector over Channels with Both Multipath Fading and Shadowing
This paper analyzes the performance of an energy detector over wireless channels with composite multipath fading and shadowing effects. These effects are modeled by using the and ...
Saman Atapattu, Chintha Tellambura, Hai Jiang