Abstract

In fringe projection profilometry, the relationship between phase and height is of the utmost significance to perform accurate measurement. To enhance accuracy and robustness, a calibration method is presented based on pattern geometric constraints. By analyzing the pattern distribution in the image coordinate, this method establishes a one-to-one mapping relationship between phase and height directly, and the lens distortion of the camera is considered and involved in the mathematical description, so as to eliminate error propagation. The (x, y) coordinates are calculated from camera calibration with known height values. This method is practical for the reason that strict system constraints are not needed and the calibration procedure is efficient. Experiments including error evaluation and robustness evaluation are conducted to verify its accuracy and robustness, respectively. The results reveal that this method has the desired properties of high accuracy and strong robustness. These performances guarantee its flexibility under different circumstances.

© 2017 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Accurate calibration method for a fringe projection system by projecting an adaptive fringe pattern

Andrés Gonzalez and Jaime Meneses
Appl. Opt. 58(17) 4610-4615 (2019)

Calibration method for projector-camera-based telecentric fringe projection profilometry system

Haibo Liu, Huijing Lin, and Linshen Yao
Opt. Express 25(25) 31492-31508 (2017)

Reconstruction method for fringe projection profilometry based on light beams

Xuexing Li, Zhijiang Zhang, and Chen Yang
Appl. Opt. 55(34) 9895-9906 (2016)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (11)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (21)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription