Premaratne, P.; Nguyen, Q.: 'Consumer electronics control system based on hand gesture moment invariants', IET Computer Vision, 2007, 1, (1), p. 35-41, DOI: 10.1049/iet-cvi:20060198
IET Digital Library, https://digital-library.theiet.org/;jsessionid=210naq3o68jw4.x-iet-live-01content/journals/10.1049/iet-cvi_20060198