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Discontinuous deformation analysis and recent crustal movement
Authors:Wang Zemin  Liu Jingnan
Institution:1. Dept. of Electrical &2. Electronic Engineering , University of Strathclyde , Giasgow , England
Abstract:This paper describes a Fast Finding and Fitting (FFF) Algorithm based on the geometric symmetry of the circle. A comparison with other circle detection approaches, in particular the Hough Transform and its extensions is presented. A method to determine a relevant estimation of accuracy is also given. Experiments show that FFF possesses advantages in memory usage, high speed, reliability and accuracy are also presented.
Keywords:circle detection  geometrically symmetric axes  least-square estimation
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