A geometric system model of finite aperture in small animal pinhole SPECT imaging

Accurate system modeling of the photon acquisition process is essential for optimizing quality in pinhole SPECT imaging. Conventional pinhole SPECT imaging assumes ideal pinhole geometry. However, neglect of pinhole finite aperture could lead to unfavorable quality degradations, such as positioning...

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Veröffentlicht in:	Computerized medical imaging and graphics 2006-04, Vol.30 (3), p.181-185
Hauptverfasser:	Hsu, Ching-Han, Huang, Po-Chia
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Animals Equipment Design Finite aperture Image Processing, Computer-Assisted - methods Monte Carlo Method Phantoms, Imaging Pinhole SPECT Small animal imaging Statistical image reconstruction Tomography, Emission-Computed, Single-Photon - instrumentation Tomography, Emission-Computed, Single-Photon - methods
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