Stereo-phase rectification for metric profilometry with two calibrated cameras and one uncalibrated projector
Fringe projection profilometry requires calibrating both cameras and projectors for metric measurements. Cameras are relatively simple to calibrate, but projectors require more sophisticated procedures. In this paper, a fringe projection profilometer with two calibrated cameras and one uncalibrated...
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| Veröffentlicht in: | Applied optics (2004) 2022-07, Vol.61 (21), p.6097-6109 |
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| container_title | Applied optics (2004) |
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| creator | Juarez-Salazar, Rigoberto Rios-Orellana, Obed I. Diaz-Ramirez, Victor H. |
| description | Fringe projection profilometry requires calibrating both cameras and projectors for metric measurements. Cameras are relatively simple to calibrate, but projectors require more sophisticated procedures. In this paper, a fringe projection profilometer with two calibrated cameras and one uncalibrated projector is developed for metric measurements. A phase rectification method, which is crucial for stereo matching, is designed by minimizing the perspective distortion. Also, a simple method for point matching using stereo rectified phase maps is proposed. The principles of metric profilometry using the proposed rectification method are introduced. The developed system is evaluated experimentally by the metric measurement of three-dimensional objects. The obtained results confirm a high accuracy of metric measurement and versatility in the design of fringe projection profilometers with uncalibrated projectors. |
| doi_str_mv | 10.1364/AO.461168 |
| format | Article |
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| ispartof | Applied optics (2004), 2022-07, Vol.61 (21), p.6097-6109 |
| issn | 1559-128X 2155-3165 1539-4522 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_2725650336 |
| source | Alma/SFX Local Collection; Optica Publishing Group Journals |
| subjects | Calibration Cameras Forecasting Phase matching Profilometers Projectors |
| title | Stereo-phase rectification for metric profilometry with two calibrated cameras and one uncalibrated projector |
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