146 search results - page 21 / 30 » Enhance Performance of Secure Image Using Wavelet Compressio... |
CF
2006
ACM
15 years 3 months ago
2006
ACM
The discrete wavelet transform (DWT) is used in several image and video compression standards, in particular JPEG2000. A 2D DWT consists of horizontal filtering along the rows fo...
ISCAS
1999
IEEE
15 years 1 months ago
1999
IEEE
A vector enhancement of Said and Pearlman's Set Partitioning in Hierarchical Trees (SPIHT) methodology, named VSPIHT, has recently been proposed for embedded wavelet image co...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
- Video sequences are compressed by processing individual macroblocks within frames. Traditional macroblock order of processing is linear from the left to the right, and from the t...
DCC
2005
IEEE
15 years 3 months ago
2005
IEEE
The widespread adoption of the JPEG2000 standard calls for the development of computationally efficient algorithms to analyze the content of imagery compressed using this standard...
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DRR
2008
14 years 10 months ago
2008
Degraded documents are frequently obtained in various situations. Examples of degraded document collections include historical document depositories, document obtained in legal an...