A semi-fragile watermarking algorithm for authenticating 2D CAD engineering graphics based on log-polar transformation

Fei Peng, Re-Si Guo, Chang-Tsun Li, Min Long. A semi-fragile watermarking algorithm for authenticating 2D CAD engineering graphics based on log-polar transformation. Computer-Aided Design, 42(12):1207-1216, 2010. [doi]

Abstract

Abstract is missing.