Principles Governing The Transfer Of Signal Modulation And Photon Noise By Amplifying And Scattering Mechanisms

Peter L. Dillon; John F. Hamilton; Madjid Rabbani; Rodney Shaw; Richard L. VanMetter

doi:10.1117/12.947247

11 June 1985 Principles Governing The Transfer Of Signal Modulation And Photon Noise By Amplifying And Scattering Mechanisms

Peter L. Dillon, John F. Hamilton, Madjid Rabbani, Rodney Shaw, Richard L. VanMetter

Author Affiliations +

Proceedings Volume 0535, Application of Optical Instrumentation in Medicine XIII; (1985) https://doi.org/10.1117/12.947247
Event: 1985 Medical Imaging Conferences, 1985, California, United States

Abstract

A general analysis is made of the influence of stochastic amplifying and scattering mechanisms on the transfer of signal modulation and photon noise in imaging processes. In this way we quantify the spatial-frequency dependence of signal and noise as they propagate through a multistage imaging system. Whereas by definition the signal structure (or modulation) is transferred via the MTF, the input photon noise is effectively unmodulated signal and as such bypasses the MTF. However, stochastic amplification of photon noise by one stage of an imaging process may produce noise structure that constitutes an effective signal spectrum to the next. Thus, in general, it is necessary to cascade these two components of the noise spectrum separately at each stage.

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Peter L. Dillon, John F. Hamilton, Madjid Rabbani, Rodney Shaw, and Richard L. VanMetter "Principles Governing The Transfer Of Signal Modulation And Photon Noise By Amplifying And Scattering Mechanisms", Proc. SPIE 0535, Application of Optical Instrumentation in Medicine XIII, (11 June 1985); https://doi.org/10.1117/12.947247

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