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DICTA
2003
15 years 1 months ago
Adaptive Magnetic Resonance Image Denoising Using Mixture Model and Wavelet Shrinkage
Abstract. This paper proposes a new adaptive wavelet-based Magnetic Resonance images denoising algorithm. A Rician distribution for background-noise modelling is introduced and a M...
Lei Jiang, Wenhui Yang
WSCG
2004
245views more  WSCG 2004»
15 years 1 months ago
Pel-Recursive Motion Estimation Using the Expectation-Maximization Technique and Spatial Adaptation
Pel-recursive motion estimation is a well-established approach. However, in the presence of noise, it becomes an ill-posed problem that requires regularization. In this paper, mot...
Vania V. Estrela, Luís A. Rivera, Marcos H....
107
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APNOMS
2006
Springer
15 years 4 months ago
Improving Handoff Performance by Using Distance-Based Dynamic Hysteresis Value
Abstract. In this study, an adaptive handoff algorithm with a dynamic hysteresis value, based on the distance between the mobile station and the serving base station, is proposed f...
Huamin Zhu, Kyung Sup Kwak
ICASSP
2011
IEEE
14 years 4 months ago
An adaptive time-frequency resolution approach for Non-negative Matrix Factorization based single channel sound source separatio
In this paper, we propose an adaptive time-frequency resolution approach for the single channel source separation problem. The aim is to improve the quality and intelligibility of...
Serap Kirbiz, Paris Smaragdis
ISPDC
2008
IEEE
15 years 7 months ago
Token Loss Detection for Random Walk based Algorithm
Self-stabilizing token circulation algorithms are not always adapted for dynamic networks. Random walks are well known to play a crucial role in the design of randomized algorithm...
Thibault Bernard, Alain Bui, Devan Sohier