422 search results - page 52 / 85 » Effective image compression using evolved wavelets |
EGITALY
2006
13 years 9 months ago
2006
Palette re-ordering is a well known and very effective approach for improving the compression of color-indexed images. If the spatial distribution of the indexes in the image is s...
MMSEC
2006
ACM
14 years 1 months ago
2006
ACM
We present an efficient JPEG2000-based image authentication scheme, which is robust to JPEG compression and other allowed signal processing operations. Positive wavelet-based wate...
IPAS
2007
13 years 10 months ago
2007
A practical impossibility of prediction of signs of DCT coefficients is generally accepted. Therefore each coded sign of DCT coefficients occupies usually 1 bit of memory in compr...
AISS
2010
13 years 5 months ago
2010
Nuclear explosion produce immediate and delayed destructive effects, so identifying parameters has become inevitable for detecting nuclear tests conducted anywhere in the world. T...
JMIV
2002
13 years 7 months ago
2002
In our recent work, a class of parametric transforms, including family of Haar-like transforms, was introduced and studied in application to image compression. Parametric Haar-lik...