A Reversible Watermarking Scheme for 2D Vector Drawings Based on Difference Expansion

摘要：

This paper proposed a reversible watermarking scheme for 2D vector drawings based on difference expansion DE. Few researches have been conducted on reversible watermarking method of 2D vector drawings till now. In our scheme, Information data including watermark is embedded into the nearest pairs of vertexes sequence in x-direction or in y-direction instead of the pairs of neighbouring vertexes, and as a result the capacity of watermark will be increased and shape distortions be reduced. The Hash value from the original drawings is also embedded as a part of watermark in order to exactly estimate the completeness of the extracted data. Experimental results demonstrate that the proposed reversible watermarking algorithm can accurately separate and completely extract the watermark as well as host data. Generally it shows better performances than the previous ones.

关键词： Reversible Watermark 2D Vector Drawings Difference Expansion DE

作者: Zhao Hua Du Shoujian Zhang Daozhen

作者单位: Shandong Water Polytechnic Institute Rizhao City, Shandong Province, China

会议类型: 国际会议

会议名称: 2010 IEEE 11th International Conference on Computer-Aided Industrial Design & Conceptual Design(2010年第11届国际计算机辅助工业设计与概念设计学术会议)

会议地点: 浙江义乌

会议语种:英文

页码: 1441-1446

在线出版日期: 2010-11-17（万方平台首次上网日期，不代表论文的发表时间）