A Novel Visible Watermarking Scheme Based on Distance Transform. - Guo-Jian Chou; Ran-Zan Wang; Yeuan-Kuen Lee; Ching Yu Yang (IIH-MSP (1), 2017)

The Nested QR Code. - Guo-Jian Chou; Ran-Zan Wang (IEEE Signal Process. Lett., 2020)