An Improved Self-Embedding Algorithm: A Robust Protection against Lossy Compression Attacks in Digital Image Watermarking

Pratheepan Yogarajah, Joan Condell, Kevin Curran, Paul McKevitt, Abbas Cheddad

Research output: Contribution to journalArticle

Abstract

Watermarking is the process of embedding watermark into an image such that embedded watermark can be extracted later. Lossy compression attacks in digital watermarking are one of the major issues in digital watermarking. Cheddad et al. proposed a robust secured self-embedding method which is resistant to a certain amount of JPEG compression. Our experimental results show that the self-embedding method is resistant to JPEG compression attacks and not resistant to other lossy compression attacks such as Block Truncation Coding (BTC) and Singular Value Decomposition (SVD). Therefore we improved Cheddad et al’s. method to give better protection against BTC and SVD compression attacks.
Original languageEnglish
Pages (from-to)47-59
JournalImage Processing and Communications
Volume15
Issue number1
Publication statusPublished - 1 Dec 2010

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