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ICIP
2002
IEEE
16 years 8 months ago
Image restoration under wavelet-domain priors: an expectation-maximization approach
This paper describes an expectation-maximization (EM) algorithm for wavelet-based image restoration (deconvolution). The observed image is assumed to be a convolved (e.g., blurred...
Robert D. Nowak, Mário A. T. Figueiredo
ICIP
1999
IEEE
16 years 8 months ago
Perceptual Grouping of 3-D Features in Aerial Image Using Decision Tree Classifier
We address a new perceptual grouping algorithmfor aerial images, which employs a decision tree classifier and hierarchical multilevel grouping strategy an a bottom-up fashion. In ...
In Kyu Park, Kyoung Mu Lee, Sang Uk Lee
ICIP
1998
IEEE
16 years 8 months ago
B-spline Snakes and a JAVA Interface: An Intuitive Tool for General Contour Outlining
We present a novel formulation for B-spline snakes that can be used as a tool for fast and intuitive contour outlining. The theory is implemented in a platform independent JAVA in...
Patrick Brigger, Robert Engel, Michael Unser
ICIP
1998
IEEE
16 years 8 months ago
Semantic Visual Templates: Linking Visual Features to Semantics
The rapid growth of visual data over the last few years has lead to many schemes for retrieving such data. With content-based systems today, there exists a significant gap between...
Shih-Fu Chang, William Chen, Hari Sundaram
ICIP
1997
IEEE
16 years 8 months ago
Biorthogonal Quincunx Coifman Wavelets
We de ne and construct a new family of compactly supported, nonseparable two-dimensional wavelets, biorthogonal quincunx Coifman wavelets" BQCWs, from their one-dimensional c...
Dong Wei, Brian L. Evans, Alan C. Bovik