Lee, Donq-Liang; You, Wei-Shiuan: 'Recognition of complex static hand gestures by using the wristband-based contour features', IET Image Processing, 2018, 12, (1), p. 80-87, DOI: 10.1049/iet-ipr.2016.1139 IET Digital Library, https://digital-library.theiet.org/;jsessionid=2aud8asvdvwr0.x-iet-live-01content/journals/10.1049/iet-ipr.2016.1139