137 search results - page 9 / 28 » Multispectral loss-less compression using approximation meth... |
TIFS
2008
13 years 7 months ago
2008
This paper presents a method for detection of double JPEG compression and a maximum likelihood estimator of the primary quality factor. These methods are essential for construction...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Visual data comprises of multi-scale and inhomogeneous signals. In this paper, we exploit these characteristics and develop an adaptive data approximation technique based on a hie...
DCC
1995
IEEE
13 years 11 months ago
1995
IEEE
Compression with Reversible Embedded Wavelets (CREW) is a uni ed lossless and lossy continuous-tone still image compression system. It is wavelet-based using a \reversible" a...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Both compressed sensing (CS) and parallel imaging effectively reconstruct magnetic resonance images from undersampled data. Combining both methods enables imaging with greater und...
PG
1999
IEEE
13 years 12 months ago
1999
IEEE
In this paper we introduce a mesh approximation method that uses a volume-based metric. After a geometric simplification, we minimize the volume between the simplified mesh and th...