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ICA
2007
Springer
15 years 11 months ago
Underdetermined Source Separation Using Mixtures of Warped Laplacians
In a previous work, the authors have introduced a Mixture of Laplacians model in order to cluster the observed data into the sound sources that exist in an underdetermined two-sens...
Nikolaos Mitianoudis, Tania Stathaki
ICASSP
2009
IEEE
15 years 11 months ago
Geometrical interpretation and improvements of the Blahut-Arimoto's algorithm
The paper first recalls the Blahut Arimoto algorithm for computing the capacity of arbitrary discrete memoryless channels, as an example of an iterative algorithm working with pro...
Ziad Naja, Florence Alberge, Pierre Duhamel
ICASSP
2009
IEEE
15 years 11 months ago
Learning to maximize signal-to-noise ratio for reverberant speech segregation
Monaural speech segregation in reverberant environments is a very difficult problem. We develop a supervised learning approach by proposing an objective function that directly rel...
Zhaozhang Jin, DeLiang Wang
ICSAP
2010
15 years 11 months ago
An Enhanced Implementation of Brain Tumor Detection Using Segmentation Based on Soft Computing
—Image Segmentation is an important and challenging factor in the medical image segmentation. This paper describes segmentation method consisting of two phases. In the first phas...
T. Logeswari, M. Karnan
ASAP
2006
IEEE
119views Hardware» more  ASAP 2006»
15 years 9 months ago
From Bit Level Systolic Arrays to HDTV Processor Chips
The paper starts presents the work initially carried out by Queen's University and RSRE (now Qinetiq) in the development of advanced architectures and microchips based on sys...
John V. McCanny, Roger F. Woods, John G. McWhirter