Results 21 to 30 of about 1,461 (222)

Semi-Fragile Watermarking Authentication with Local and Global Watermarks [PDF]

open access: yes, 2006
In this paper, a novel semi-fragile watermarking authentication scheme is proposed, which is based on two watermarks: the local watermark and the global watermark. The two watermarks complement each other. The local watermark is generated from the quantized ACs in 8×8 DCT block.
Jinwei Wang   +4 more
openaire   +1 more source

Hybrid Blind Audio Watermarking for Proprietary Protection, Tamper Proofing, and Self-Recovery

open access: yesIEEE Access, 2019
The paper presents a lifting wavelet transform (LWT)-based framework for multi-purpose blind audio watermarking. The proposed schemes can be used to carry out robust watermarking for intellectual property protection as well as fragile watermarking for ...
Hwai-Tsu Hu, Tung-Tsun Lee
doaj   +1 more source

Self-Embedding Fragile Watermarking Scheme to Detect Image Tampering Using AMBTC and OPAP Approaches

open access: yesApplied Sciences, 2021
Research on self-embedding watermarks is being actively conducted to solve personal privacy and copyright problems by image attack. In this paper, we propose a self-embedded watermarking technique based on Absolute Moment Block Truncation Coding (AMBTC ...
Cheonshik Kim, Ching-Nung Yang
doaj   +1 more source

The Most Common Characteristics of Fragile Video Watermarking

open access: yesARO-The Scientific Journal of Koya University, 2023
The progress of network and multimedia technologies has been phenomenal during the previous two decades. Unauthorized users will be able to copy, retransmit, modify reproduction, and upload the contents more easily as a result of this innovation ...
Yasmin A. Hassan, Abdul Monem S. Rahmah
doaj   +1 more source

Advanced audio watermarking benchmarking

open access: yes, 2022
S.224-235Digital watermarking is envisaged as a potential technology for copyright protection and manipulation recognition. A key issue in the usage of robust watermarking is the evaluation of robustness and security. StirMark Benchmarking has been taken
Zmudizinski, S.   +3 more
core   +1 more source

A Fragile Zero Watermarking Scheme to Detect and Characterize Malicious Modifications in Database Relations

open access: yesThe Scientific World Journal, 2013
We put forward a fragile zero watermarking scheme to detect and characterize malicious modifications made to a database relation. Most of the existing watermarking schemes for relational databases introduce intentional errors or permanent distortions as ...
Aihab Khan, Syed Afaq Husain
doaj   +1 more source

A Self-Recovery Fragile Image Watermarking with Variable Watermark Capacity

open access: yesApplied Sciences, 2018
Currently, the watermark capacity of most self-recovery fragile image watermarking schemes is fixed. That means for smooth regions and texture regions, the length of watermark information is always the same. However, it is impractical since more recovery
Chengyou Wang, Heng Zhang, Xiao Zhou
doaj   +1 more source

A DCT domain smart vicinity reliant fragile watermarking technique for DIBR 3D-TV

open access: yesAutomatika, 2020
This work presents a vicinity reliant intelligent fragile watermarking scheme for depth image-based rendering technique used for three-dimensional television. Depth map of a centre image is implicitly inserted in the block-based discrete cosine transform
Tariq Bashir   +4 more
doaj   +1 more source

A Novel Multipurpose Watermarking Scheme Capable of Protecting and Authenticating Images With Tamper Detection and Localisation Abilities

open access: yesIEEE Access, 2022
Technologies that fall under the umbrella of Industry 4.0 can be classified into one of its four significant components: cyber-physical systems, the internet of things (IoT), on-demand availability of computer system resources, and cognitive computing ...
Sunpreet Sharma, Ju Jia Zou, Gu Fang
doaj   +1 more source

Digital watermark

open access: yesKnjižnica, 2000
The huge amount of multimedia contents available on the World-Wide-Web is beginning to raise the question of their protection. Digital watermarking is a technique which can serve various purposes, including intellectual property protection ...
Jasna Maver
doaj   +1 more source

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