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Digital Watermarking for Vector Drawings based on Discrete Haar Wavelet Transform

by Yuichi Nakai, Kuya Kohara
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

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

@article{ 10.5120/ijca2019918752,
author = { Yuichi Nakai, Kuya Kohara },
title = { Digital Watermarking for Vector Drawings based on Discrete Haar Wavelet Transform },
journal = { International Journal of Computer Applications },
issue_date = { Apr 2019 },
volume = { 182 },
number = { 49 },
month = { Apr },
year = { 2019 },
issn = { 0975-8887 },
pages = { 1-6 },
numpages = {9},
url = { },
doi = { 10.5120/ijca2019918752 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-07T01:14:44.908072+05:30
%A Yuichi Nakai
%A Kuya Kohara
%T Digital Watermarking for Vector Drawings based on Discrete Haar Wavelet Transform
%J International Journal of Computer Applications
%@ 0975-8887
%V 182
%N 49
%P 1-6
%D 2019
%I Foundation of Computer Science (FCS), NY, USA

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.

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Index Terms

Computer Science
Information Sciences


Digital watermarking vector drawing discrete Haar wavelet transform