Snapshot color fringe projection for absolute three-dimensional metrology of video sequences
Applied Optics, Vol. 49, Issue 31, pp. 5947-5953 (2010)
http://dx.doi.org/10.1364/AO.49.005947
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Abstract
We present a method to obtain simultaneous three-dimensional shape and color information from a single captured image using a composite red, green, and blue (RGB) projected fringe pattern. Previous attempts at single snapshot shape and color metrology have suffered from either poor dynamic range or have been highly dependent on the color of the artifact. An optimum multiwavelength process has been employed to maximize the dynamic range of the shape data and give absolute depth information independently at each pixel. Fringe processing is via a Fourier transform process with algorithms introduced to obtain RGB color texture. Simulated and experimental data demonstrate the algorithm’s robustness in the vicinity of surface discontinuities. Experimental results from a human hand show the applicability to dynamic scenes.
© 2010 Optical Society of America
OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(330.1710) Vision, color, and visual optics : Color, measurement
ToC Category:
Imaging Systems
History
Original Manuscript: July 26, 2010
Revised Manuscript: September 18, 2010
Manuscript Accepted: September 19, 2010
Published: October 20, 2010
Citation
Zonghua Zhang, David P. Towers, and Catherine E. Towers, "Snapshot color fringe projection for absolute three-dimensional metrology of video sequences," Appl. Opt. 49, 5947-5953 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-31-5947
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