9 search results - page 2 / 2 » Quantization-Based Data Hiding Robust to Linear-Time-Invaria... |
SPIESR
1998
13 years 5 months ago
1998
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the h...
SIBGRAPI
2007
IEEE
13 years 10 months ago
2007
IEEE
This paper presents a data hiding technique for printed bicolor documents. It inserts tiny dots, hardly noticeable at normal reading distance, to embed the message. For message ex...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
This paper proposes a method to hide information into images that achieves robustness against printing and scanning with blind decoding. A significant contribution of this paper i...
JSW
2008
13 years 4 months ago
2008
Based on the invariant features and data distribution in time domain before and after attacking on the audio, it is clearly that the standard variance shows good invariant statisti...