Results 31 to 40 of about 11,462,552 (176)

A NOVEL DIGITAL IMAGE WATERMARKING SCHEME USING BIORTHOGONAL WAVELETS [PDF]

open access: yesICTACT Journal on Image and Video Processing, 2011
Copyright protection is considered as an issue of vital significance owing to the escalating utilization of internet and effortless copying, tampering and distribution of digital images.
G. Yamuna, D. Sivakumar
doaj  

Combining Digital Watermarking and Fingerprinting Techniques to Identify Copyrights for Color Images

open access: yesThe Scientific World Journal, 2014
This paper presents a copyright identification scheme for color images that takes advantage of the complementary nature of watermarking and fingerprinting.
Shang-Lin Hsieh   +2 more
doaj   +1 more source

Comparison of DCT, SVD and BFOA based multimodal biometric watermarking system

open access: yesAlexandria Engineering Journal, 2015
Digital image watermarking is a major domain for hiding the biometric information, in which the watermark data are made to be concealed inside a host image imposing imperceptible change in the picture.
S. Anu H. Nair, P. Aruna
doaj   +1 more source

An Improved Watermarking Technique for Copyright Protection Based on Tchebichef Moments

open access: yesIEEE Access, 2019
Watermarking technique is a method to protect ownership of digital multimedia. Most existing watermarking techniques achieve a good level of imperceptibility and robustness.
Ferda Ernawan, Muhammad Nomani Kabir
doaj   +1 more source

A Hybrid robust watermarking system based on discrete cosine transform, discrete wavelet transform, and singular value decomposition

open access: yesJournal of King Saud University: Computer and Information Sciences, 2022
Digital data sharing is increased day by day due to the rapid access of the Internet by mass people. Multimedia, for example text, image, video, and audio can be easily accessed by unauthorized users.
Mahbuba Begum   +2 more
doaj   +1 more source

A Robust Image Watermarking Scheme Based on SVD in the Spatial Domain

open access: yesFuture Internet, 2017
With the development of image processing technology, the copyright protection of digital images has become an urgent problem to be solved. As an effective method, the robust digital watermarking technique emerges at a historic moment.
Heng Zhang, Chengyou Wang, Xiao Zhou
doaj   +1 more source

Attack characterisation of compressed images [PDF]

open access: yes, 2003
We propose the use of robust watermarks to enable the characterisation of attacks even after lossy compression, such as JPEG and JPEG2000. A previously constructed Bayesian framework is used to allow characterisation of attacks from a predetermined ...
Knowles, HD   +3 more
core   +1 more source

PERFORMANCE ANALYSIS OF SECURE MEDICAL IMAGE COMMUNICATION WITH DIGITAL SIGNATURE AND REVERSIBLE WATERMARKING [PDF]

open access: yesICTACT Journal on Image and Video Processing, 2013
Protection of Medical image contents becomes the important issue in computer network security. Digital Watermarking has becomes a promising technique for medical content authentication, it allows to embed relevant information with the image, which ...
A. Umamageswari, G. R. Suresh
doaj  

Parallel Digital Watermarking Process on Ultrasound Medical Images in Multicores Environment

open access: yesInternational Journal of Biomedical Imaging, 2016
With the advancement of technology in communication network, it facilitated digital medical images transmitted to healthcare professionals via internal network or public network (e.g., Internet), but it also exposes the transmitted digital medical images
Hui Liang Khor   +2 more
doaj   +1 more source

Geometric correction code‐based robust image watermarking

open access: yesIET Image Processing, 2023
Digital image watermarking is one of the effective schemes to protect the copyrights of still images. However, the existing watermarking schemes are still not robust enough to the common geometric transformation attacks such as arbitrary rotation ...
Zhili Zhou   +4 more
doaj   +1 more source

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