20 search results - page 2 / 4 » Constrained Wavelet Tree Quantization for Image Watermarking |
TCSV
2008
14 years 9 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
14 years 10 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
15 years 11 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
15 years 11 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
15 years 11 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 ...