Results 11 to 20 of about 250 (209)

Perceptual Mapping-Based Image Tamper Detection and Recovery Algorithm

open access: yesAdvances in Multimedia, 2022
The importance of digital image authentication has grown in the last decade particularly with the widespread availability of digital media and image manipulation tools.
Taha Basheer Taha   +2 more
doaj   +1 more source

Blind Image Watermarking for Localization and Restoration of Color Images

open access: yesIEEE Access, 2020
Digital images have become easy to generate and share with tremendous growth in communication technology. Therefore, the threat of forgery and tampering in digital images has also been increased.
Rishi Sinhal   +2 more
doaj   +1 more source

Self-embedding Watermark Algorithm Based on Layered Embedded Authentication and Recovery [PDF]

open access: yesJisuanji gongcheng, 2016
To improve the ability of image tamper detection and recovery,this paper proposes a layered watermark algorithm based on the combination of the spatial and frequency domain.In layer 1,one part of the watermark information authenticating a single pixel in
SHI Yanan,LI Jiangyin,KANG Baosheng
doaj   +1 more source

Region-Based Hybrid Medical Image Watermarking Scheme for Robust and Secured Transmission in IoMT

open access: yesIEEE Access, 2022
With the growth in Internet and digital technology, Internet of Medical Things (IoMT) and Telemedicine have become buzzwords in healthcare. A large number of medical images and information is shared through a public network in these applications.
Priyanka Singh   +3 more
doaj   +1 more source

Toward Autonomous Physical Security Defenses Using Machine Learning

open access: yesIEEE Access, 2022
The sheer increase in interconnected devices, reaching 50 B in 2025, makes it easier for adversaries to have direct access to the target system and perform physical attacks. This risk is exacerbated by the proliferation of Internet-of-Battlefield Things (
Basel Halak   +7 more
doaj   +1 more source

A Fragile Image Watermarking Scheme in DWT Domain Using Chaotic Sequences and Error-Correcting Codes

open access: yesEntropy, 2023
With the rapid development of digital signal processing tools, image contents can be easily manipulated or maliciously tampered with. Fragile watermarking has been largely used for content authentication purposes. This article presents a new proposal for
Andy M. Ramos   +3 more
doaj   +1 more source

Disaster Tolerance and Backup Scheme of Power Data Based on Blockchain [PDF]

open access: yesJisuanji gongcheng, 2019
Due to the large volume,various types and high security requirements of power data,its disaster tolerance and backup scheme should provide scalability and privacy protection.Blockchain is tamper-resistant,decentralized and traceable,which caters to such ...
LAO Weilun, WANG Baiyong, ZHANG Rui, WANG Jiabei
doaj   +1 more source

A Secure Image Authentication Scheme with Tamper Localization and Recovery [PDF]

open access: yes, 2021
This paper proposes a secure image authentication scheme that can locate the tampered regions, recover the lost contents and hide application-specific sensitive data. In this scheme, an encrypted watermark that comprises tamper localization, recovery and application-specific information is placed in the selected pixels, which is extracted and decrypted
Neena Raj N.R., Shreelekshmi R.
openaire   +1 more source

Enhancing Telemedicine Security in Advanced Methods for Tamper Detection and Recovery in Color Medical Imaging

open access: yesIEEE Access
Increasing telemedicine security involves advanced tamper detection and recovery methods in colour medical imaging, ensuring data integrity, confidentiality, and authenticity while preventing unauthorized alterations during transmission and storage ...
Lakshmi Prasanna Meda   +1 more
doaj   +1 more source

A recent survey of self-embedding fragile watermarking scheme for image authentication with recovery capability

open access: yesEURASIP Journal on Image and Video Processing, 2019
The rapid developments of storage technology and information exchange encourage the development of research in the field of information security. In the process of sending information, tamper and issues about data ownership may occur.
Lusia Rakhmawati   +2 more
doaj   +1 more source

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