Features extraction based on the Discrete Hartley Transform for closed contour
Pere Martí-Puig, Ramón Reig-Bolaño, J. Danés · AI Communications · 2015
In this paper the authors propose a new closed contour descriptor that could be seen as a Feature Extractor of closed contours based on the Discrete Hartley Transform (DHT), its main characteristic is that uses only half of the coefficients required