20 search results - page 2 / 4 » Constrained Wavelet Tree Quantization for Image Watermarking |
TCSV
2008
13 years 5 months ago
2008
A quality constrained compression algorithm based on Discrete Wavelet Transform (DWT) is proposed. The spatial-frequency decomposition property of DWT provides possibility for not...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
In this paper, an efficiently DWT-based watermarking technique is proposed to embed signatures in images to attest the owner identification and discourage the unauthorized copying...
ICIP
1994
IEEE
14 years 7 months ago
1994
IEEE
ABSTRACT the pyramid. Recently, a number of promising quanMultiresolution imagedecompositions (e. g., wavelets), in conjunction with a variety of quantization schemes, have been sh...
ICIP
2002
IEEE
14 years 7 months ago
2002
IEEE
In this paper a fully automatic system for embedding visually recognizable watermark patterns to video objects is proposed. The architecture consists of 3 main modules. During the...
ICIP
1998
IEEE
14 years 7 months ago
1998
IEEE
In this paper, we extend the statistical model-based Estimation-Quantization (EQ) wavelet image coding algorithm introduced in [?] to include an adaptive transform component. For ...