A New Digital Watermarking for Architectural Design Drawing Using LINES and ARCs Based on Vertex

건축설계도면상에서 꼭지점에 기반한 LINE과 ARC를 이용한 디지털 워터마킹

  • Jang, Bong-Ju (Dept. of Elec. and Computer Engineering, Pusan University of Foreign Studies) ;
  • Moon, Kwang-Seok (Division of Elec. and Telecomm. Eng., Pukyung National University) ;
  • Young Huh (Korea Electrotechnology Research Institute) ;
  • Kwon, Ki-Ryong (Dept. of Elec. and Computer Engineering, Pusan University of Foreign Studies)
  • Published : 2003.11.01

Abstract

This paper proposed to digital watermarking technique for architectural drawing using LINES and ARCs based on vertex in CAD system to prevent infringement of copyright from unlawfulness reproductions and distribution. After extract LINES and ARCs from designed drawing, we embed watermarks using adaptive algorithm in each characteristics. Watermarks robust to various attacks like as geometrical transformation as being embedded in LINE's length and ARC's angle information. Also, the proposed method satisfies enough transparency about watermarked drawing because have suitable embedding strength to each component. By experimental result, we confirmed robustness and invisibility of embedded watermarks in several conversions of architectural design drawing.

Keywords