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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 5, Iss. 14 — Nov. 16, 2010

Generalized free-space diffuse photon transport model based on the influence analysis of a camera lens diaphragm

Xueli Chen, Xinbo Gao, Xiaochao Qu, Duofang Chen, Xiaopeng Ma, Jimin Liang, and Jie Tian  »View Author Affiliations

Applied Optics, Vol. 49, Issue 29, pp. 5654-5664 (2010)

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The camera lens diaphragm is an important component in a noncontact optical imaging system and has a crucial influence on the images registered on the CCD camera. However, this influence has not been taken into account in the existing free-space photon transport models. To model the photon transport process more accurately, a generalized free-space photon transport model is proposed. It combines Lambertian source theory with analysis of the influence of the camera lens diaphragm to simulate photon transport process in free space. In addition, the radiance theorem is also adopted to establish the energy relationship between the virtual detector and the CCD camera. The accuracy and feasibility of the proposed model is validated with a Monte-Carlo-based free-space photon transport model and physical phantom experiment. A comparison study with our previous hybrid radiosity-radiance theorem based model demonstrates the improvement performance and potential of the proposed model for simulating photon transport process in free space.

© 2010 Optical Society of America

OCIS Codes
(110.2970) Imaging systems : Image detection systems
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5280) Medical optics and biotechnology : Photon migration
(170.7050) Medical optics and biotechnology : Turbid media

ToC Category:
Imaging Systems

Original Manuscript: April 28, 2010
Revised Manuscript: August 21, 2010
Manuscript Accepted: September 11, 2010
Published: October 7, 2010

Virtual Issues
Vol. 5, Iss. 14 Virtual Journal for Biomedical Optics

Xueli Chen, Xinbo Gao, Xiaochao Qu, Duofang Chen, Xiaopeng Ma, Jimin Liang, and Jie Tian, "Generalized free-space diffuse photon transport model based on the influence analysis of a camera lens diaphragm," Appl. Opt. 49, 5654-5664 (2010)

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