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ICIP
2006
IEEE
16 years 8 months ago
Wavelet-Domain Soft-Thresholding for Non-Stationary Noise
This paper describes a new wavelet-based denoising algorithm based on a non-stationary noise assumption. Even though stationary noise models can simplify the development and imple...
Wan Yee Lo, Ivan W. Selesnick
ICIP
2005
IEEE
16 years 8 months ago
Threshold dynamics for shape reconstruction and disocclusion
We propose a very efficient numerical algorithm for minimizing certain curvature dependent functionals that appear in a variety of well known variational models of image processin...
Selim Esedoglu, Steven J. Ruuth, Richard Tsai
ICIP
2004
IEEE
16 years 8 months ago
Automatic image decomposition
The decomposition of an image into its primitive components, such as cartoon plus texture, is a fundamental problem in image processing. In [11, 16], the authors proposed a techni...
Kedar A. Patwardhan, Guillermo Sapiro
ICIP
1997
IEEE
16 years 8 months ago
An Optimization Approach to Unsupervised Hierarchical Texture Segmentation
In this paper we introduce a novel optimization framework for hierarchical data clustering and apply it to the problem of unsupervised texture segmentation. The proposed objective...
Thomas Hofmann, Jan Puzicha, Joachim M. Buhmann
ICML
2005
IEEE
16 years 8 months ago
Preference learning with Gaussian processes
In this paper, we propose a probabilistic kernel approach to preference learning based on Gaussian processes. A new likelihood function is proposed to capture the preference relat...
Wei Chu, Zoubin Ghahramani