Comment on "Fringe projection profilometry with nonparallel illumination: a least-squares approach"

2006 ◽  
Vol 31 (13) ◽  
pp. 1972 ◽  
Author(s):  
Zhaoyang Wang ◽  
Hongbo Bi
Keyword(s):  
Least Squares ◽  
Fringe Projection ◽  
Fringe Projection Profilometry ◽  
Least Squares Approach

Least-squares calibration method for fringe projection profilometry with some practical considerations

Optik ◽  
2013 ◽  
Vol 124 (19) ◽  
pp. 4041-4045 ◽  
Author(s):  
Yanjun Fu ◽  
Yonglong Wang ◽  
Wei Wang ◽  
Jianfeng Wu
Keyword(s):  
Least Squares ◽  
Calibration Method ◽  
Fringe Projection ◽  
Fringe Projection Profilometry

Image Reconstruction from Incomplete Data and Its Applications in Experimental Mechanics

2006 ◽  
Vol 326-328 ◽  
pp. 83-86
Author(s):  
Y.H. Huang ◽  
Y.Y. Hung ◽  
X.Y. He ◽  
L. Liu
Keyword(s):  
Experimental Data ◽  
Image Reconstruction ◽  
Least Squares ◽  
Incomplete Data ◽  
Optimal Solution ◽  
Experimental Mechanics ◽  
Fringe Projection ◽  
Simulation Data ◽  
Least Squares Approach

In the field of experimental mechanics, there exist some circumstances when only data at the boundary can be obtained while the internal data are unavailable, or when some data are missed due to shadow, illumination saturation and other reasons. Thus it would be helpful if a reasonable estimation of the unavailable or missed data can be obtained. In this study, an algorithm is developed to reconstruct the missed data from the existing ones by generating a series of equations about the missed data and solving for an optimal solution using least-squares approach. Results based on both simulation data and real incomplete experimental data obtained by shearography and fringe projection show the usefulness and potential of the algorithm for experimental mechanics applications.

Least-squares gamma estimation in fringe projection profilometry

2021 ◽  
Vol 60 (5) ◽  
pp. 1137
Author(s):  
Antonio Muñoz ◽  
Jorge L. Flores ◽  
Geliztle Parra-Escamilla ◽  
Luis A. Morales ◽  
Sotero Ordones ◽  
...  
Keyword(s):  
Least Squares ◽  
Fringe Projection ◽  
Fringe Projection Profilometry
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