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ICDAR
2009
IEEE
13 years 6 months ago
Evaluation of Different Strategies to Optimize an HMM-Based Character Recognition System
Different strategies for combination of complementary features in an HMM-based method for handwritten character recognition are evaluated. In addition, a noise reduction method is...
Murilo Santos, Albert Hung-Ren Ko, Luiz S. Oliveir...
TSP
2011
140views more  TSP 2011»
13 years 3 months ago
Innovation Rate Sampling of Pulse Streams With Application to Ultrasound Imaging
Signals comprised of a stream of short pulses appear in many applications including bio-imaging and radar. The recent finite rate of innovation framework, has paved the way to lo...
Ronen Tur, Yonina C. Eldar, Zvi Friedman
CORR
2010
Springer
220views Education» more  CORR 2010»
13 years 8 months ago
Multichannel Sampling of Pulse Streams at the Rate of Innovation
We consider minimal-rate sampling schemes for streams of delayed and weighted versions of a known pulse shape. Such signals belong to the class of finite rate of innovation (FRI) m...
Kfir Gedalyahu, Ronen Tur, Yonina C. Eldar
TSP
2008
116views more  TSP 2008»
13 years 8 months ago
Nonideal Sampling and Regularization Theory
Shannon's sampling theory and its variants provide effective solutions to the problem of reconstructing a signal from its samples in some "shift-invariant" space, wh...
Sathish Ramani, Dimitri Van De Ville, Thierry Blu,...
INFOCOM
2010
IEEE
13 years 7 months ago
A Frequency Domain Model to Predict the Estimation Accuracy of Packet Sampling
—In network measurement systems, packet sampling techniques are usually adopted to reduce the overall amount of data to collect and process. Being based on a subset of packets, t...
Luigi Alfredo Grieco, Chadi Barakat