Results 31 to 40 of about 2,172,252 (181)

A Semi-Fragile, Inner-Outer Block-Based Watermarking Method Using Scrambling and Frequency Domain Algorithms

open access: yes, 2023
Image watermarking is most often used to prove that an image belongs to someone and to make sure that the image is the same as was originally produced.
Ahmet E. Topcu   +7 more
core   +1 more source

Reversible watermarking scheme with image-independent embedding capacity [PDF]

open access: yes, 2005
Permanent distortion is one of the main drawbacks of all the irreversible watermarking schemes. Attempts to recover the original signal after the signal passing the authentication process are being made starting just a few years ago. Some common problems,
C.-T. Li, Li, Chang-Tsun
core   +1 more source

A novel secured Euclidean space points algorithm for blind spatial image watermarking

open access: yesEURASIP Journal on Image and Video Processing, 2022
Digital raw images obtained from the data set of various organizations require authentication, copyright protection, and security with simple processing.
Shaik Hedayath Basha, Jaison B
doaj   +1 more source

Advanced Watermarking of Digital Images Showing Robust, Semi-Fragile and Fragile Behaviour

open access: yes, 2021
Digital Image Watermarking plays an important role when it comes to maintaining digital color picture authentication information. The proposed paper consists mainly of a digital watermarking scheme consisting of discrete wavelet transformation and ...
Shivanand Pujar   +10 more
core   +1 more source

Content-Fragile Commutative Watermarking-Encryption Based on Pixel Entropy [PDF]

open access: yes, 2015
Content-fragile commutative watermarking-encryption requires that both the content-fragile image signature and the watermarking process are invariant under encryption.
Grecos, Christos   +11 more
core   +1 more source

Multipurpose zero watermarking algorithm for medical image based on SVD and SAE

open access: yesDianxin kexue, 2017
A multipurpose zero watermarking algorithm was proposed according to the copyright protection and tamper location of medical image.The two information matrices were executed the XOR operation with the original robust watermarking image and the original ...
Jieli SUN   +3 more
doaj   +2 more sources

Robust and Semi-fragile Watermarking Techniques for Image Content Protection [PDF]

open access: yes, 2020
In this report, the concept of robust and semi-fragile watermarking is described for copyright protection and authentication of digital images. A number of different transforms and algorithms used for robust and semi-fragile image watermarking are ...
Zhao, Xi
core   +1 more source

Common Threats and Managing Reputation in Executive Search Firms

open access: yesBritish Journal of Management, Volume 30, Issue 4, Page 847-868, October 2019., 2019
Abstract A free video abstract to accompany this article can be found online at: https://www.youtube.com/watch?v=IziwDorbeGU This paper provides important insights into how executive search firms can successfully manage their reputations to overcome major threats to their organizations. The paper focuses on three threats faced by executive search firms:
William S. Harvey   +2 more
wiley   +1 more source

A Cloud‐User Protocol Based on Ciphertext Watermarking Technology

open access: yesSecurity and Communication Networks, Volume 2017, Issue 1, 2017., 2017
With the growth of cloud computing technology, more and more Cloud Service Providers (CSPs) begin to provide cloud computing service to users and ask for users’ permission of using their data to improve the quality of service (QoS). Since these data are stored in the form of plain text, they bring about users’ worry for the risk of privacy leakage ...
Keyang Liu   +3 more
wiley   +1 more source

Semi-Fragile Watermarking For Video Surveillance Applications

open access: yes, 2012
Publication in the conference proceedings of EUSIPCO, Bucharest, Romania ...
Marwen Hasnaoui, Mihai Mitrea
openaire   +4 more sources

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