The following publications are possibly variants of this publication:
- GIS Vector Map Perceptual Encryption Scheme Using Geometric ObjectsPham Ngoc Giao, Suk Hwan Lee, Kwang-Seok Moon, Ki-Ryong Kwon. wisa 2017: 210-220 [doi]
- Perceptual encryption method for vector map based on geometric transformationsPham Ngoc Giao, Oh Jun Kwon, Suk Hwan Lee, Ki-Ryong Kwon. apsipa 2016: 1-4 [doi]
- Perceptual Encryption Based on Features of Interpolating Curve for Vector MapNgoc-Giao Pham, Suk Hwan Lee, Ki-Ryong Kwon. ieicet, 100-A(5):1156-1164, 2017. [doi]