- Tytuł:
- Digital watermarking scheme based on curvelet transform and multiple chaotic maps
- Autorzy:
-
Xiao, Yi
Xu, Ya-Chen
Zhou, Nan-Run
Lin, Zhen-Rong - Powiązania:
- https://bibliotekanauki.pl/articles/27310097.pdf
- Data publikacji:
- 2023
- Wydawca:
- Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
- Tematy:
-
digital watermarking
curvelet transform
multiple chaotic map - Opis:
- The rapid development of digital products brings security issues. Digital watermarking technology is an important means to handle these problems. To enhance the imperceptibility of watermark and locate the possible tampering as well, a digital watermarking scheme based on curvelet transform is presented by combining with multiple chaotic maps. The host image is decomposed into three parts, i.e., coarse layer, detail layer and fine layer, with curvelet transform, and a robust watermark is embedded into the coarse layer for copyright protection of digital products. In addition, an authentication watermark is embedded into the fine layer to detect and locate the illegal changes. Simulation results show that the proposed digital watermarking scheme possesses acceptable robustness and security.
- Źródło:
-
Optica Applicata; 2023, 53, 2; 291--305
0078-5466
1899-7015 - Pojawia się w:
- Optica Applicata
- Dostawca treści:
- Biblioteka Nauki
Artykuł