146 search results - page 4 / 30 » Enhance Performance of Secure Image Using Wavelet Compressio... |
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
JPEG 2000 is a lossy integer-to-integer transform-based compression method that first quantizes the separable 2-D wavelet transform coefficients, then entropy codes them. The imag...
ICIP
2000
IEEE
15 years 11 months ago
2000
IEEE
This paper describes methods for adapting the scanning order through wavelet transform values used in the Wavelet Difference Reduction (WDR) algorithm of Tian and Wells. These new...
ICDE
2002
IEEE
15 years 2 months ago
2002
IEEE
We consider the use of wavelet transformations as a dimensionality reduction technique to permit efficient similarity search over high-dimensional time-series data. While numerou...
ICIP
2000
IEEE
15 years 11 months ago
2000
IEEE
We develop an information?theoretic analysis of dependencies between image wavelet coefficients. The dependencies are measured using mutual information, which has a direct link wi...
88
Voted
ACTAC
1999
14 years 9 months ago
1999
A new image compression algorithm, Distortion Limited Wavelet Image Codec (DLWIC), is introduced. The codec is designed to be simple to implement, fast and have modest requirement...