Radiance and photon noise: Imaging in geometrical optics, physical optics, quantum optics and radiology

Harrison H. Barrett, Kyle J. Myers, Luca Caucci

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

A fundamental way of describing a photon-limited imaging system is in terms of a Poisson random process in spatial, angular and wavelength variables. The mean of this random process is the spectral radiance. The principle of conservation of radiance then allows a full characterization of the noise in the image (conditional on viewing a specified object). To elucidate these connections, we first review the definitions and basic properties of radiance as defined in terms of geometrical optics, radiology, physical optics and quantum optics. The propagation and conservation laws for radiance in each of these domains are reviewed. Then we distinguish four categories of imaging detectors that all respond in some way to the incident radiance, including the new category of photon-processing detectors. The relation between the radiance and the statistical properties of the detector output is discussed and related to task-based measures of image quality and the information content of a single detected photon.

Original languageEnglish (US)
Title of host publicationNovel Optical Systems Design and Optimization XVII
EditorsArthur J. Davis, G. Groot Gregory
PublisherSPIE
ISBN (Electronic)9781628412208
DOIs
StatePublished - Jan 1 2014
Event17th Conference of Novel Optical Systems Design and Optimization - San Diego, United States
Duration: Aug 17 2014Aug 19 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9193
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Other

Other17th Conference of Novel Optical Systems Design and Optimization
CountryUnited States
CitySan Diego
Period8/17/148/19/14

Keywords

  • Geometrical optics
  • Image quality
  • Physical optics
  • Point processes
  • Quantum imaging
  • Radiance
  • Radiology

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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  • Cite this

    Barrett, H. H., Myers, K. J., & Caucci, L. (2014). Radiance and photon noise: Imaging in geometrical optics, physical optics, quantum optics and radiology. In A. J. Davis, & G. G. Gregory (Eds.), Novel Optical Systems Design and Optimization XVII [919302] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 9193). SPIE. https://doi.org/10.1117/12.2066715