Robust image watermarking against local geometric attacks using multiscale block matching method

Robust digital image watermarking method

Robust digital image watermarking method against geometrical attacks

✍ Bum-Soo Kim; Jae-Gark Choi; Chul-Hyun Park; Jong-Un Won; Dong-Min Kwak; Sang-Keu 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 947 KB

This paper proposes a new image watermarking scheme which is robust to RST attacks with cropping by improving Fourier-Mellin transform based watermarking (FMW). The proposed scheme reorders and modifies function blocks of FMW for improvement of realization and performance. Unlike FMW, our method use