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IPMI
2005
Springer
15 years 12 months ago
Linearization of Mammograms Using Parameters Derived from Noise Characteristics
A method is proposed for converting digitized mammograms to a normalized representation, in which pixel values are linearly related to the logarithm of x-ray exposure. This method ...
Nico Karssemeijer, Peter R. Snoeren, Wei Zhang
ICASSP
2011
IEEE
14 years 10 months ago
Robust underdetermined blind audio source separation of sparse signals in the time-frequency domain
We address the problem of blind source separation in the underdetermined and instantaneous mixture case. The proposed method is based on an algorithm developed by Aissa-El-Bey and...
Si-Mohamed Aziz Sbai, Abdeldjalil Aïssa-El-Be...
ATMOS
2010
169views Optimization» more  ATMOS 2010»
15 years 4 months ago
Traffic Signal Optimization Using Cyclically Expanded Networks
Traditionally, the coordination of multiple traffic signals and the traffic assignment problem in an urban street network are considered as two separate optimization problems. How...
Ekkehard Köhler, Martin Strehler
INFORMATICALT
2007
167views more  INFORMATICALT 2007»
15 years 6 months ago
Ultrasound Quantitative Evaluation of Human Eye Cataract
Abstract. A technique to improve an eye cataract early detection and quantitative evaluation of maturity using ultrasound was investigated. A broadband coherent signal, backscatter...
Alvydas Paunksnis, Skaidra Kurapkiene, Audris Maci...
IH
2004
Springer
15 years 11 months ago
An Asymmetric Security Mechanism for Navigation Signals
Abstract. Existing navigation services, such as GPS, offer no signalintegrity (anti-spoof) protection for the general public, especially not with systems for remote attestation of...
Markus G. Kuhn