1582 search results - page 21 / 317 » On sparse signal representations |
108
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ICIP
2010
IEEE
14 years 9 months ago
2010
IEEE
An image representation framework based on structured sparse model selection is introduced in this work. The corresponding modeling dictionary is comprised of a family of learned ...
109
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IGARSS
2009
14 years 9 months ago
2009
The paper presents a general framework for change detection in radar images, for an operational purpose and in the context of environmental monitoring. This framework is based on ...
TSP
2008
14 years 11 months ago
2008
One of the fundamental assumptions in traditional sampling theorems is that the signals to be sampled come from a single vector space (e.g. bandlimited functions). However, in many...
DAGSTUHL
2007
15 years 1 months ago
2007
We address the problem of finding sparse wavelet representations of high-dimensional vectors. We present a lower-bounding technique and use it to develop an algorithm for computi...
CORR
2010
Springer
14 years 12 months ago
2010
Springer
Recent work has demonstrated that using a carefully designed sensing matrix rather than a random one, can improve the performance of compressed sensing. In particular, a welldesign...