scholarly journals A DFT-DWT Domain Invisible Blind Watermarking Techniques for Copyright Protection of Digital Images

10.5772/38304 ◽  
2012 ◽  
Author(s):  
Munesh Chandra
Keyword(s):  
Copyright Protection ◽  
Digital Images ◽  
Blind Watermarking

An efficient ROI based copyright protection scheme for digital images with SVD and orthogonal polynomials transformation

Optik ◽  
2018 ◽  
Vol 170 ◽  
pp. 242-264 ◽  
Author(s):  
P. Murali ◽  
Veeramalai Sankaradass
Keyword(s):  
Orthogonal Polynomials ◽  
Copyright Protection ◽  
Digital Images ◽  
Protection Scheme

A Digital Rights Management System and Copyright Protection for Digital Images of the Official Web Portal of the Hellenic Culture

2003 ◽  
pp. 217-228
Author(s):  
D. K. Tsolis ◽  
V. Fotopoulos ◽  
G. K. Tsolis ◽  
E. G. Karatzas ◽  
S. N. Nikolopoulos ◽  
...  
Keyword(s):  
Copyright Protection ◽  
Management System ◽  
Digital Images ◽  
Digital Rights Management ◽  
Web Portal ◽  
Digital Rights ◽  
Rights Management

Two Spatial Watermarking Techniques for Digital Images

2013 ◽  
pp. 691-712
Author(s):  
Dumitru Dan Burdescu ◽  
Liana Stanescu ◽  
Marian Cristian Mihaescu
Keyword(s):  
Digital Watermarking ◽  
Copyright Protection ◽  
Digital Images ◽  
Multimedia Data ◽  
Effective Measure ◽  
Digital Multimedia ◽  
Black And White ◽  
Robust Watermark ◽  
Multimedia Technologies ◽  
New Algorithms

The rapid growth of digital multimedia technologies brings tremendous attention to the field of digital authentication. Digital watermarking has become widely recognized as an effective measure for copyright protection of multimedia data. The owner or the distributor of the digital images can insert a unique watermark into copies for different customers or receivers, which will be helpful to identify the source of illegal copies. In this chapter the authors present two original spatial authentication techniques for digital images. These new algorithms yield an invisible watermark that is robust to various kinds of attacks. The main principle is the utilization of a virtual (2D or 3D) graph embedded into the digital images. Then, the colors of some vertices of the virtual graph are slightly modified for obtaining the watermark. The proposed techniques modify pixels or voxels of the object by a spatial watermark insertion scheme. These techniques can be used for all kinds of digital images, color or black and white, and the new algorithms produce an invisible robust watermark. The techniques lower the computational complexity that normally rises with the traditional watermarking algorithms. This approach reduces computation and implementation complexity of the algorithms. These techniques seem to replace advantages of the transform domain techniques with those of the spatial domain techniques.

Wavelet-based copyright-protection scheme for digital images based on local features

2009 ◽  
Vol 179 (19) ◽  
pp. 3349-3358 ◽  
Author(s):  
Tzu-Chao Lin ◽  
Chao-Ming Lin
Keyword(s):  
Copyright Protection ◽  
Digital Images ◽  
Local Features ◽  
Protection Scheme

Copyright protection of digital images by means of frequency domain watermarking

1998 ◽  
Author(s):  
Alessandro Piva ◽  
Mauro Barni ◽  
Franco Bartolini
Keyword(s):  
Frequency Domain ◽  
Copyright Protection ◽  
Digital Images

Robust copyright protection scheme for digital images using the low-band characteristic

2006 ◽  
Vol 45 (10) ◽  
pp. 107002 ◽  
Author(s):  
Der-Chyuan Lou
Keyword(s):  
Copyright Protection ◽  
Digital Images ◽  
Protection Scheme ◽  
Band Characteristic
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