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ISCAS
2007
IEEE
181views Hardware» more  ISCAS 2007»
15 years 10 months ago
Image Compression using 2D Dual-tree Discrete Wavelet Transform (DDWT)
—In this paper, we investigate image compression using 2D Dual-tree Discrete Wavelet Transform (DDWT), which is an overcomplete transform with direction-selective basis functions...
Jing-Yu Yang, Wenli Xu, Qionghai Dai, Yao Wang
119
Voted
AHS
2006
IEEE
124views Hardware» more  AHS 2006»
15 years 10 months ago
Embedded Reconfigurable Array Fabrics for Efficient Implementation of Image Compression Techniques
The discrete wavelet Transform (DWT), as defined by the Image Compression Standard JPEG-2000, is one of the most time-consuming computations which cannot be efficiently executed o...
Sajid Baloch, Tughrul Arslan, Adrian Stoica
131
Voted
TIP
1998
128views more  TIP 1998»
15 years 3 months ago
Nonlinear wavelet image processing: variational problems, compression, and noise removal through wavelet shrinkage
This paper examines the relationship between wavelet-based image processing algorithms and variational problems. Algorithms are derived as exact or approximate minimizers of varia...
Antonin Chambolle, Ronald A. DeVore, Nam-Yong Lee,...
126
Voted
DCC
2008
IEEE
16 years 3 months ago
Compression of Hyperspectral Images with LVQ-SPECK
We discuss the use of lattice vector quantizers in conjunction with a quadtree-based sorting algorithm for the compression of multidimensional data sets, as encountered, for examp...
Alessandro J. S. Dutra, William A. Pearlman, Eduar...
144
Voted
ICASSP
2009
IEEE
15 years 10 months ago
Accelerated 3D MRI of vocal tract shaping using compressed sensing and parallel imaging
3D MRI of the upper airway has provided valuable insights into vocal tract shaping and data for the modeling of speech production. Small movements of articulators can lead to larg...
Yoon-Chul Kim, Shrikanth S. Narayanan, Krishna S. ...