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Keywords: Sparse representation
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Journal Articles
COMPEL (2013) 33 (1-2): 556–566.
Published: 20 December 2013
... Sub-Nyquist sampling Compressed sensing Sparse representation Signal reconstruction An ultra-wide-band (UWB) signal processing system is characterized by its bandwidth that is up to several gigahertz. To capture an UWB signal, a very high sampling rate is required according to Shannon...
Journal Articles
COMPEL (2013) 32 (2): 721–727.
Published: 01 March 2013
.../approach Sparse representations of low‐resolution image patches are used to reconstruct the high‐resolution image patches with high resolution dictionary. By using different factors, the scheme weights the two dictionaries in the high‐ and low‐resolution spaces in the training process. It is reasonable...
