Phase reliability evaluation in phase-shifting method using Fourier transform for shape measurement

2005 ◽  
Vol 44 (8) ◽  
pp. 083601 ◽  
Author(s):  
Shien Ri
2009 ◽  
Vol 17 (4) ◽  
Author(s):  
R. Sitnik

AbstractThis paper presents a fast and reliable approach for phase modulo 2π-calculation from a single fringe pattern. It calculates correct phase values even for very complex and variable shape gradients based on a locally variable fringe period determined for the entire image. In the paper, a new two-step method for wrapped phase calculation is proposed. It is performed through the use of a method based on a multiple local fast Fourier transform for estimation of a local fringes period map and a 5-point spatial carrier phase shifting (SCPS) formula for phase modulo 2π-calculation. The described approach is verified by a correct demodulation of a real fringe pattern taken by a 3D-shape measurement system.


2010 ◽  
Vol 18 (9) ◽  
pp. 9684 ◽  
Author(s):  
Song Zhang ◽  
Daniel Van Der Weide ◽  
James Oliver

2005 ◽  
Author(s):  
Peirong Jia ◽  
Jonathan Kofman ◽  
Chad English ◽  
Adam Deslauriers

2005 ◽  
Author(s):  
Toru Matui ◽  
Shien Ri ◽  
Motoharu Fujigaki ◽  
Yoshiharu Morimoto

2016 ◽  
Vol 82 (12) ◽  
pp. 1078-1084
Author(s):  
Norikatsu SUMI ◽  
Koosuke HATTORI ◽  
Ryo TAGUCHI ◽  
Masahiro HOGURO ◽  
Taizo UMEZAKI ◽  
...  

1999 ◽  
Author(s):  
Yoshiharu Morimoto ◽  
Motoharu Fujigaki ◽  
Hiroki Toda

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