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ICASSP
2008
IEEE
16 years 1 months ago
Reconstructing sparse signals from their zero crossings
Classical sampling records the signal level at pre-determined time instances, usually uniformly spaced. An alternative implicit sampling model is to record the timing of pre-deter...
Petros Boufounos, Richard G. Baraniuk
ICASSP
2008
IEEE
16 years 1 months ago
On nonlinear transformations of stochastic variables and its application to nonlinear filtering
A class of nonlinear transformation-based filters (NLTF) for state estimation is proposed. The nonlinear transformations that can be used include first (TT1) and second (TT2) or...
Fredrik Gustafsson, Gustaf Hendeby
ICC
2008
IEEE
123views Communications» more  ICC 2008»
16 years 1 months ago
A Simple Modulation Code with Peak Power Reduction and Coding Gain
Abstract— In this paper, a simple modulation code called symbol insertion for band-limited single-carrier systems is proposed. This code can reduce the peak-to-average power rati...
Makoto Tanahashi, Hideki Ochiai
3DIM
2007
IEEE
16 years 27 days ago
Silhouette Extraction with Random Pattern Backgrounds for the Volume Intersection Method
In this paper, we present a novel approach for extracting silhouettes by using a particular pattern that we call the random pattern. The volume intersection method reconstructs th...
Masahiro Toyoura, Masaaki Iiyama, Koh Kakusho, Mic...
AVSS
2007
IEEE
16 years 27 days ago
Detecting shopper groups in video sequences
We present a generalized extensible framework for automated recognition of swarming activities in video sequences. The trajectory of each individual is produced by the visual trac...
Alex Leykin, Mihran Tuceryan