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SCALESPACE
2005
Springer
15 years 3 months ago
Matrix-Valued Filters as Convex Programs
Matrix-valued images gain increasing importance both as the output of new imaging techniques and as the result of image processing operations, bearing the need for robust and effic...
Martin Welk, Florian Becker, Christoph Schnör...
CAIP
2011
Springer
253views Image Analysis» more  CAIP 2011»
13 years 10 months ago
Detection of Retinal Vascular Bifurcations by Trainable V4-Like Filters
Abstract. The detection of vascular bifurcations in retinal fundus images is important for finding signs of various cardiovascular diseases. We propose a novel method to detect su...
George Azzopardi, Nicolai Petkov
CEC
2008
IEEE
14 years 12 months ago
Learning defect classifiers for visual inspection images by neuro-evolution using weakly labelled training data
This article presents results from experiments where a detector for defects in visual inspection images was learned from scratch by EANT2, a method for evolutionary reinforcement l...
Nils T. Siebel, Gerald Sommer
ICIP
2008
IEEE
15 years 11 months ago
Cross-talk explained
The image sensor measurements are subject to degradation caused by the photon and electron leakage. The color image data acquired via a spatial subsampling procedure implemented a...
Keigo Hirakawa
MMSEC
2005
ACM
210views Multimedia» more  MMSEC 2005»
15 years 3 months ago
Composite signature based watermarking for fingerprint authentication
Digital watermarking is a technology to hide information in digital media. We extend the digital watermarking technique Phasemark™, originally developed solely for image authent...
Farid Ahmed, Ira S. Moskowitz