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» On the Processing of Decimated Signals
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CIBCB
2007
IEEE
14 years 5 months ago
Spectral Decomposition of Signaling Networks
—Many dynamical processes can be represented as directed attributed graphs or Petri nets where relationships between various entities are explicitly expressed. Signaling networks...
Bahram Parvin, Nirmalya Ghosh, Laura Heiser, Merri...
CVPR
2000
IEEE
14 years 3 months ago
Segmentation with Invisible Keying Signal
Croma keying is the process of segmenting objects from images and video using color cues. A blue (or green) screen placed behind an object during recording is used in special effe...
Moshe Ben-Ezra
AMC
2010
83views more  AMC 2010»
13 years 11 months ago
Windowed Fourier transform of two-dimensional quaternionic signals
In this paper, we generalize the classical windowed Fourier transform (WFT) to quaternionvalued signals, called the quaternionic windowed Fourier transform (QWFT). Using the spect...
Mawardi Bahri, Eckhard S. M. Hitzer, Ryuichi Ashin...
TASLP
2008
106views more  TASLP 2008»
13 years 10 months ago
Multipitch Analysis of Polyphonic Music and Speech Signals Using an Auditory Model
A method is described for estimating the fundamental frequencies of several concurrent sounds in polyphonic music and multiple-speaker speech signals. The method consists of a comp...
Anssi Klapuri
JMM2
2007
113views more  JMM2 2007»
13 years 10 months ago
Signalling Cases and QoS Management within TISPAN NGN Residential Environments
Abstract— The TISPAN group from ETSI is currently working on the specification a Next Generation Network (NGN), based on the IP Multimedia Subsystem (IMS) as the service control...
Iván Vidal, Francisco Valera, Jaime Garc&ia...