Results 91 to 100 of about 1,345 (218)

High-capacity reversible watermarking for 2D-Vectordata

, 2022
S.409-417This paper describes an efficient and high-capacity reversible 2-D vector data embedding method, which provides a promising solution to GIS (geographic information system) data hiding and authentication applications with a high requirement of ...
Voigt, M., Yang, B., Busch, C.
core   +1 more source

Reversible Image Watermarking Using Modified Quadratic Difference Expansion and Hybrid Optimization Technique.

International Journal of Interactive Multimedia and Artificial Intelligence
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

Analisis Watermarking Citra Digital Manggunakan Reversible Contrast Mapping [PDF]

, 2008
ABSTRAKSI: Watermarking merupakan cabang dari steganography. Watermarking adalah suatu teknik penyembunyian data di dalam data digital (citra, audio, video) namun keberadaannya tidak terlihat oleh indra manusia.
I Made Sudarsana
core  

Reversible Watermarking Based on Sorting Prediction Algorithm

, 2015
Reversible watermarking has drawn a lot of interest in recent years. Sachnev et al proposed reversible watermarking algorithm by combining prediction technology, histogram shifting technology and sorting technology, which has good performance.However ...
Tuty Asmawaty, Abdul Kadir, Khalid, Edris, Jasni, Mohamad Zain   +2 more
core   +1 more source

Reversible watermarking for medical images using ROI-based tamper localization and recovery

Franklin Open
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, Teguh Bharata Adji, Syukron Abu Ishaq Alfarozi, Hanung Adi Nugroho   +3 more
doaj   +1 more source

An Improved Commutative Reversible Watermarking and Encryption for Fingerprint Image

, 2019
A fingerprint system database requires: 1. immunity against offensives like unauthorized data injection, denial of service; 2. privacy protection.
Vaibhav B Joshi, Mehul S Raval
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Block-based optimization for enhancing reversible watermarking using reduce difference expansion

Communications in Science and Technology
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

A proposed security technique based on watermarking and encryption for digital imaging and communications in medicine

Egyptian Informatics Journal, 2013
Nowadays; modern Hospital Data Management Systems (HDMSs) are applied in a computer network; in addition medicinal equipments produce medical images in a digital form.
Mohamed M. Abd-Eldayem
doaj   +1 more source

Difference-Expansion Based Reversible and Visible Image Watermarking Scheme

, 2018
A reversible image watermarking scheme recovers the original cover image after extracting the embedded watermarks. A visible image watermarking scheme embeds watermarks to create a visible watermark effect on the cover image.
Chien-Chang Chen, Yao-Hong Tsai, Hsin-Cheng Yeh
core  

Multi-Purpose Watermarking with QR Code Applications

, 2020
: Watermarking plays an important role in the applications of copyright protection and data authentication. In this paper, we apply the commonly used discrete cosine transform (DCT), and embed two watermarks into color images.
Chi-Tuan Tseng, Feng-Cheng Chang, Yueh-Hong Chen, Huang, H.-C.;Chen, Y.-H.;Chang, F.-C.;Tseng, C.-T., Hsiang-Cheh Huang   +4 more
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