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TIP
2002
131views more  TIP 2002»
15 years 7 months ago
Optimal edge-based shape detection
Abstract--We propose an approach to accurately detecting twodimensional (2-D) shapes. The cross section of the shape boundary is modeled as a step function. We first derive a one-d...
Hankyu Moon, Rama Chellappa, Azriel Rosenfeld
PR
2007
109views more  PR 2007»
15 years 7 months ago
Unsupervised multiscale oil slick segmentation from SAR images using a vector HMC model
This study focuses on the segmentation and characterization of oil slicks on the sea surface from synthetic aperture radar (SAR) observations. In fact, an increase in viscosity du...
Stéphane Derrode, Grégoire Mercier
ICIP
2007
IEEE
16 years 9 months ago
Analysis of Nonlinear Collusion Attacks on Fingerprinting Systems for Compressed Multimedia
In this paper, we analyze the effect of various collusion attacks on fingerprinting systems for compressed multimedia. We evaluate the effectiveness of the collusion attacks in te...
Avinash L. Varna, Shan He, Ashwin Swaminathan, Min...
ICIP
2002
IEEE
16 years 9 months ago
A comparison between an objective quality measure and the mean annoyance values of watermarked videos
In this paper, a comparison between an objective quality measure and the perceived mean annoyance values of watermarked videos is presented. A psychophysical experiment has been p...
Mylene Christine Queiroz de Farias, Marco Carli, S...
MICCAI
2007
Springer
16 years 8 months ago
A Probabilistic Model for Haustral Curvatures with Applications to Colon CAD
Among the many features used for classification in computer-aided detection (CAD) systems targeting colonic polyps, those based on differences between the shapes of polyps and fold...
John Melonakos, Paulo R. S. Mendonça, Rahul...