422 search results - page 55 / 85 » Effective image compression using evolved wavelets |
JMIV
2006
13 years 7 months ago
2006
Centroidal Voronoi tessellations (CVT's) are special Voronoi tessellations for which the generators of the tessellation are also the centers of mass (or means) of the Voronoi ...
CIMAGING
2009
13 years 8 months ago
2009
Nonlinear image reconstruction based upon sparse representations of images has recently received widespread attention with the emerging framework of compressed sensing (CS). This ...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
to appear in Proc. IEEE Int’l Conf. on Acoustics, Speech, and Signal Processing, March, 2008 High-dynamic-range medical images take intensity values which cannot be visualized o...
VIS
2004
IEEE
14 years 9 months ago
2004
IEEE
Noise reduction is an important preprocessing step for many visualization techniques that make use of feature extraction. We propose a method for denoising 2-D vector fields that ...
TIP
2010
13 years 6 months ago
2010
—This paper proposes a selective data pruning-based compression scheme to improve the rate-distortion relation of compressed images and video sequences. The original frames are p...