15 search results - page 2 / 3 » Double Embedding In The Quantization Index Modulation Framew... |
MTA
2011
12 years 11 months ago
2011
Quantization index modulation is one of the best methods for performing blind watermarking, due to its simplicity and good rate-distortion-robustness tradeoffs. In this paper, a ne...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore, the scaling factor needs to be estimated at the decoder side, such that the received (attac...
CVIU
2008
13 years 4 months ago
2008
This paper presents a search engine architecture, RETIN, aiming at retrieving complex categories in large image databases. For indexing, a scheme based on a two-step quantization ...
TIP
2010
12 years 11 months ago
2010
We present a new framework for data hiding in images printed with clustered dot halftones. Our application scenario, like other hardcopy embedding methods, encounters fundamental c...
ICIP
2009
IEEE
14 years 5 months ago
2009
IEEE
In this paper, security evaluation of an important watermarking class based on quantization is given. Theoretical developments and practical simulations are used to measure the se...