Results 31 to 40 of about 23,277 (209)

Combining Haar Wavelet and Karhunen-Loeve Transform for Robust and Imperceptible Data Hiding Using Digital Images

open access: yesJournal of Intelligent Systems, 2018
In this paper, we present an introduction of digital image watermarking followed by important characteristics and potential applications of digital watermarks.
Sharma Akankasha   +2 more
doaj   +1 more source

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

A Digital Watermarking Encryption Technique Based on FPGA Cloud Accelerator

open access: yesIEEE Access, 2020
Digital watermarking has the properties such as invisibility and anti-aggression, so the digital watermarking technology has been widely used in copyright protection, information hiding. The watermarking technology takes into account the invisibility and
Yanpeng Cao, Feng Yu, Yongming Tang
doaj   +1 more source

Watermarking for multimedia security using complex wavelets [PDF]

open access: yes, 2010
This paper investigates the application of complex wavelet transforms to the field of digital data hiding. Complex wavelets offer improved directional selectivity and shift invariance over their discretely sampled counterparts allowing for better ...
Bouridane, Ahmed   +3 more
core   +2 more sources

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

Copyright Protection of Color Imaging Using Robust-Encoded Watermarking [PDF]

open access: yes, 2015
In this paper we present a robust-encoded watermarking method applied to color images for copyright protection, which presents robustness against several geometric and signal processing distortions.
Cedillo-Hernandez, A.   +4 more
core   +2 more sources

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 novel semi-fragile forensic watermarking scheme for remote sensing images [PDF]

open access: yes, 2011
Peer-reviewedA semi-fragile watermarking scheme for multiple band images is presented. We propose to embed a mark into remote sensing images applying a tree structured vector quantization approach to the pixel signatures, instead of processing each band ...
Aiazzi B.   +24 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  

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