The week's pick
Reseach Article
Digital Watermarking for Vector Drawings based on Discrete Haar Wavelet Transform
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 182 - Number 49 |
| Year of Publication: 2019 |
| Authors: Yuichi Nakai, Kuya Kohara |
10.5120/ijca2019918752
|
Yuichi Nakai, Kuya Kohara . Digital Watermarking for Vector Drawings based on Discrete Haar Wavelet Transform. International Journal of Computer Applications. 182, 49 ( Apr 2019), 1-6. DOI=10.5120/ijca2019918752
Abstract
Recently, a massive amount of cartoons or “manga” comics are distributed in digital format. Although raster format is a current mainstream format, it will be likely to use vector format from the viewpoint of data capacity and image quality. In such a situation, copyright protection technology for vector format is strongly required. In this paper, we propose a novel digital watermarking scheme for vector drawings based on discrete Haar wavelet transform. By utilizing Haar wavelet transform, the proposed method has robustness against geometric transformations such as translation, rotation, and scaling. Experimental results show that the proposed method can successfully embed watermarks without causing significant degradation to the original drawings and it also has robustness against geometric transformations.
References
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