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| 鲤鱼尾鳍瞬时三维形态测量 | |
| 引用本文： | 蒋明,张曙,何小元.鲤鱼尾鳍瞬时三维形态测量[J].光学精密工程,2009,17(9):2165-2169. |
| 作者姓名： | 蒋明 张曙 何小元 |
| 作者单位： | 1. 东南大学,土木学院,江苏,南京,210096;苏州科技学院,土木学院,江苏,苏州,215011 2. 中国科学技术大学,苏州研究院,江苏,苏州,215123 3. 东南大学,土木学院,江苏,南京,210096 |
| 基金项目： | 国家自然科学基金资助项目 |
| 摘 要： | 提出了鱼在自由游动状态下尾鳍实时三维形貌的测量方法。将影栅云纹投射在鲤鱼尾鳍表面，产生包含三维形态信息的云纹，由高速摄像机采集瞬时序列变形条纹，运用傅立叶变换轮廓术对序列图像进行处理，并将相位解包裹方法用于动态过程瞬时三维相位场的相位展开中，重建了鲤鱼尾鳍自由游动的瞬时三维形态，再现了尾鳍的连续摆动过程。 |
| 关 键 词： | 高速摄像 影栅云纹 傅立叶变换 鲤鱼尾鳍 瞬时三维形态 |
| 收稿时间： | 2008-08-26 |
| 修稿时间： | 2008-10-16 |
Instantaneous three-dimensional profile measurement of tail fin of carp |
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| JIANG Ming,ZHANG Shu,HE Xiao-yuan.Instantaneous three-dimensional profile measurement of tail fin of carp[J].Optics and Precision Engineering,2009,17(9):2165-2169. | |
| Authors: | JIANG Ming ZHANG Shu HE Xiao-yuan |
| Affiliation: | JIANG Ming1,2,ZHANG Shu3,HE Xiao-yuan1(1.College of Civil Engineering,Southeast University,Nanjing 210096,China,2.College of Civil Engineering,University of Science and Technology of Suzhou,Suzhou 215011,3.Suzhou Institute for Advanced Study,University of Science and Tcehnology of China,Suzhou 215123,China) |
| Abstract: | A method for instantaneous three-dimensional profile measurement of carp tail fin is proposed. The moiré fringes containing the three-dimensional information of a continually swimming carp tail fin, generated by the interference of the grating lines and their shadows, are captured by a high-speed CCD camera. Fourier transform profilometry (FTP) method is adopted to analyze the time-sequence fringe patterns. The phase unwrapping method is used to unwrap the phase in the kinematic process, the instantaneous three-dimensional profile is obtained and the continually moving configurations of tail fin of carp is reconstructed. |
| Keywords: | optical measurement shadow moiré Fourier transform tail fin of carp instantaneous three-dimensional profile |
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