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73
Voted
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper proposes a new class of lifting wavelet transform which can guarantee losslessness of specific signals, e.g. white balance. The 5/3 wavelet transform composed of two li...
80
Voted
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
We examine the application of current research in sparse signal recovery to the problem of channel estimation. Specifically, using an Orthogonal Frequency Division Multiplexed (O...
70
Voted
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
In the case of multicomponent AM-FM signals, the idealized representation which consists of weighted trajectories on the time-frequency (TF) plane, is intrinsically sparse. Recent...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
Consider a scenario where a distributed signal is sparse and is acquired by various sensors that see different versions. Thus, we have a set of sparse signals with both some commo...
83
Voted
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
Digital images can be captured or generated by a variety of sources including digital cameras, scanners and computer graphics softwares. In many cases it is important to be able t...