Results 61 to 70 of about 420 (176)
Network Security Empowered Digital Teaching Data Protection Algorithm for Ceramic Technology
In this paper, a complete algorithm system covering sensitivity identification, feature fusion, encrypted transmission and cultural image protection is established based on the ceramic teaching scene enabled by network security. ABSTRACT The digitalization of ceramic technology teaching generates sensitive multiāmodal data, including personal ...
Yuting Zhu +3 more
wiley +1 more source
An improved robust reversible database watermarking scheme
Most existing database watermarking algorithms cause permanent distortion to original carrier data, and it is difficult to achieve a balance between watermark embedding capacity and data distortion.
Cheng Li, Xinhui Han, Wenfa Qi
doaj +1 more source
Robust Reversible Watermarking Algorithm for Diffusion Tensor Images [PDF]
Diffusion Tensor Imaging (DTI) is a commonly used nuclear magnetic resonance imaging technology. To protect the copyright of diffusion tensor images and ensure the integrity of diffusion tensor data, a two-stage robust reversible watermarking algorithm ...
LI Dandan, LI Zhi, ZHENG Long, ZHANG Li
doaj +1 more source
Novel Scheme of Reversible Watermarking With a Complementary Embedding Strategy
In this paper, a new scheme of reversible watermarking is proposed using a complementary embedding strategy in the spatial domain. The proposed scheme consists of two stages: horizontal direction embedding and vertical direction embedding.
Xiangguang Xiong
doaj +1 more source
Privacy-Aware Reversible Watermarking in Cloud Computing Environments
As an interdisciplinary research between watermarking and cryptography, privacy-aware reversible watermarking permits a party to entrust the task of embedding watermarks to a cloud service provider without compromising information privacy.
Ching-Chun Chang +2 more
doaj +1 more source
Survey on Reversible Watermarking
A number of research papers has been produced about reversible watermarking. Reversible watermarking is one of the important scheme of the watermarking schemes. Some security measures must be there to protect the records from unauthorized user and destruction of information.
openaire +1 more source
With increasing copyright violation cases, watermarking of digital images is a very popular solution for securing online media content. Since some sensitive applications require image recovery after watermark extraction, reversible watermarking is ...
H. R. Lakshmi, Surekha Borra
doaj +1 more source
An improved reversible image watermarking algorithm based on difference expansion
To improve the visual quality and the embedding rate of the existing reversible image watermarking algorithm, an improved reversible image watermarking algorithm based on difference expansion is proposed.
Zhengwei Zhang +4 more
doaj +1 more source
Reversible watermarking for medical images using ROI-based tamper localization and recovery
Medical image watermarking has received increasing attention in recent years for securing patient information and ensuring image integrity. To prevent diagnostic errors, data embedding must be fully reversible, and the watermarking scheme must detect and
Aulia Arham +3 more
doaj +1 more source
Block-based optimization for enhancing reversible watermarking using reduce difference expansion
In recent years, reversible watermarking has emerged as a promising technique that safely embeds data in digital images without compromising their originality.
Aulia Arham, Hanung Adi Nugroho
doaj +1 more source

