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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 33 — Nov. 20, 2013
  • pp: 8106–8116

Practical aspects of implementing three-dimensional tomography inversion for volumetric flame imaging

Weiwei Cai, Xuesong Li, and Lin Ma  »View Author Affiliations


Applied Optics, Vol. 52, Issue 33, pp. 8106-8116 (2013)
http://dx.doi.org/10.1364/AO.52.008106


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Abstract

Instantaneous three-dimensional (3D) measurements have been long desired to resolve the spatial structures of turbulent flows and flame. Previous efforts have demonstrated tomography as a promising technique to enable such measurements. To facilitate the practical application, this work investigated four practical aspects for implementing 3D tomographic under the context of volumetric combustion diagnostics. Both numerical simulations and controlled experiments were performed to study: (1) the termination criteria of the inversion algorithm; (2) the effects of regularization and the determination of the optimal regularization factor; (3) the effects of a number of views; and (4) the impact of the resolution of the projection measurements. The results obtained have illustrated the effects of these practical aspects on the accuracy and spatial resolution of volumetric tomography. Furthermore, all these aspects are related to the complexity and implementing cost (both hardware cost and computational cost). Therefore, the results obtained in this work are expected to be valuable for the design and implementation of practical 3D diagnostics.

© 2013 Optical Society of America

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(280.1740) Remote sensing and sensors : Combustion diagnostics

ToC Category:
Image Processing

History
Original Manuscript: September 19, 2013
Manuscript Accepted: October 20, 2013
Published: November 18, 2013

Citation
Weiwei Cai, Xuesong Li, and Lin Ma, "Practical aspects of implementing three-dimensional tomography inversion for volumetric flame imaging," Appl. Opt. 52, 8106-8116 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-33-8106

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