Sciweavers

43 search results - page 4 / 9
» A blind watermarking technique for multiple watermarks
Sort
View
MMSEC
2004
ACM
126views Multimedia» more  MMSEC 2004»
15 years 3 months ago
Key-dependency for a wavelet-based blind watermarking algorithm
When a host image is watermarked multiple times by the same algorithm collisions can occur. This makes it difficult for an image to host multiple watermarks. But this hosting is n...
Michael Brachtl, Andreas Uhl, Werner Dietl
3DPVT
2004
IEEE
159views Visualization» more  3DPVT 2004»
15 years 1 months ago
Blind Watermarking of 3D Shapes using Localized Constraints
This paper develops a digital watermarking methodology for 3-D graphical objects defined by polygonal meshes. In watermarking or fingerprinting the aim is to embed a code in a giv...
Adrian G. Bors
DRM
2005
Springer
15 years 3 months ago
Watermarking and ownership problem: a revisit
Watermarking technologies have been envisioned as a potential means for establishing ownership on digital media objects. However, achievable robustness and false-positive rates of...
Husrev T. Sencar, Nasir D. Memon
IJNSEC
2008
113views more  IJNSEC 2008»
14 years 9 months ago
A Fragile Associative Watermarking on 2D Barcode for Data Authentication
Two-dimensional (2D) barcode has improved the information encoded capacity, and it also has enriched the applications of barcode technique. Recently, there are researches dealing ...
Jau-Ji Shen, Po-Wei Hsu
ISW
2001
Springer
15 years 2 months ago
Oblivious Image Watermarking Robust against Scaling and Geometric Distortions
Abstract. Watermarking stays the main technical safeguard of electronic copyright. This paper presents the first public-domain oblivious watermarking scheme for images which survi...
Francesc Sebé, Josep Domingo-Ferrer