170 search results - page 19 / 34 » A dual watermarking technique for images |
JMM2
2008
14 years 9 months ago
2008
In this work, an adaptive image compression algorithm is proposed based on the prediction of AC coefficients in Discrete Cosine Transform (DCT) block during reconstruction of image...
ISW
1999
Springer
15 years 1 months ago
1999
Springer
There is a spate of research activities investigating digital image watermarking schemes in an effort to control the problem of illegal proliferation of creative digital data acros...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...
ICIP
1999
IEEE
15 years 11 months ago
1999
IEEE
This work concentrates on the problem of watermarking embedding and optimum detection in color images through the use of spread spectrum techniques, both in space (Direct Sequence...
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ICIP
2007
IEEE
15 years 11 months ago
2007
IEEE
This paper presents a composite blind digital watermarking technique, CompMark, to hide a visually meaningful grayscale logo in a host image. The multi-resolution fusion principle...