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|Title:||3-D deformation measurement using fringe projection and digital image correlation||Authors:||Quan, C.
|Keywords:||3-D deformation measurement
Digital image correlation
Fast fourier transforms
|Issue Date:||2004||Citation:||Quan, C.,Tay, C.J.,Huang, Y.H. (2004). 3-D deformation measurement using fringe projection and digital image correlation. Optik 115 (4) : 164-168. ScholarBank@NUS Repository.||Abstract:||In this study, we propose an integrated method which combines fringe projection and digital image correlation (DIC) method into one optical system for 3-dimensional displacement measurement. Sinusoidal fringes are projected on an object using a liquid crystal display (LCD) fringe projector. Two sets of images, one containing projected fringes and the other with only white light speckle background, are captured by a CCD camera and processed using DIC to obtain in-plane displacement. Fourier transform is also employed to evaluate the images for out-of-plane displacement. Experimental results are compared with analytic solutions and the results demonstrate that both in-plane and out-ofplane displacements can be accurately measured using the proposed method.||Source Title:||Optik||URI:||http://scholarbank.nus.edu.sg/handle/10635/53860||ISSN:||00304026|
|Appears in Collections:||Staff Publications|
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