title: Nearly preprocessing-free method for skeletonization of gray-scale electronic speckle pattern interferometry fringe patterns via partial differential equations.
abstract: We describe a novel method for skeletonization of gray-scale electronic speckle pattern interferometry (ESPI) fringe patterns. Our method is based on the gradient vector field (GVF). We propose a new partial differential equation model for calculating the GVF of ESPI fringe patterns. Further, we propose rules used to measure the possibility of each pixel on the skeleton based on the topological analysis of the GVF. The final skeletons are traced, which mimics the behavior of edge detection based on these rules. The proposed method works directly on the gray-scale images.
authors.affiliation: Department of Applied Physics, University of Tianjin, Tianjin, 300072, China. tangchen@tju.edu.cn
authors.forename: Chen
authors.initials: C
authors.lastname: Tang
authors.forename: Wenjing
authors.initials: W
authors.lastname: Lu
authors.forename: Yuanxue
authors.initials: Y
authors.lastname: Cai
authors.forename: Lin
authors.initials: L
authors.lastname: Han
authors.forename: Gao
authors.initials: G
authors.lastname: Wang