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ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
We present a novel directionally adaptive image interpolation based on a multiple-direction wavelet transform, called directionlets. The algorithm uses directionlets to efficient...
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ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
We propose an extension of the recently devised SURE-LET grayscale denoising approach for multichannel images. Assuming additive Gaussian white noise, the unknown linear parameter...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
In this paper, we present a novel framework for resampling and complexity reduction of tapped delay line channel models. In contrast to related algorithms in this field, our fram...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
We consider a pilot-assisted interleave-division multiple access (IDMA) system transmitting over block-fading channels. We describe this system in terms of a factor graph and use ...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
We consider the estimation of doubly selective wireless channels within pulse-shaping multicarrier systems (which include OFDM systems as a special case). A new channel estimation...