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Lookup NU author(s): Professor Gui Yun TianORCiD
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The electronic speckle pattern interferometry (ESPI) is one of the important optical measurement methods. The extracting information of the ESPI fringes is one of the key technologies during ESPI application. A fringe center method for ESPI interferogram analysis and a method based on the fringe refinement algorithm are introduced. The thin skeletons are amending to be smooth. The method can automatically pick up the fringe skeletons. A measurement experiment by using this technique is used to detect and analyze the deformation of the sample. The result is in agreement with the actual situation.
Author(s): Wang H, Luo Q, Wan M, Jiang Z, Zhu Y, Tian G
Publication type: Article
Publication status: Published
Journal: Nanjing Hangkong Hangtian Daxue Xuebao/Journal of Nanjing University of Aeronautics and Astronautics
Print publication date: 01/02/2010
ISSN (print): 1005-2615
Publisher: Nanjing Hangkong Daxue