946 search results - page 27 / 190 » On the analytic wavelet transform |
MMSEC
2004
ACM
15 years 3 months ago
2004
ACM
When a host image is watermarked multiple times by the same algorithm collisions can occur. This makes it difficult for an image to host multiple watermarks. But this hosting is n...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
This paper presents a new image coding technique based on oriented 1D multiscale decompositions on a quincunx sampling grid. A transform obtained by adapting the lifting steps of ...
TSP
2010
14 years 4 months ago
2010
The dual-tree complex wavelet transform (DT- WT) is known to exhibit better shift-invariance than the conventional discrete wavelet transform. We propose an amplitude-phase represe...
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Online Scientific Applications (OSA) require statistical analysis of large multidimensional datasets. Towards this end, we have designed and developed a data storage and retrieval...
INFORMATICALT
2006
14 years 9 months ago
2006
In this paper, a digital watermarking algorithm for copyright protection based on the concept of embed digital watermark and modifying frequency coefficients in discrete wavelet tr...