[A Study of 3D-NPS Analysis in CT Images Based on the Central Cross-section Theorem].

Akihiro Narita,Masaki Ohkubo,Takahiro Fukaya,Kenichi Sakai,Yoshiyuki Noto

Nihon Hoshasen Gijutsu Gakkai zasshi（2022）

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摘要

Based on the central slice theorem, we clarified the relationship among NPSs measured by various approaches in NPS analysis; it is important to understand this and then select an appropriate noise data handling and NPS measurement method.

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关键词

central slice theorem,computed tomography (CT),image noise,noise power spectrum (NPS),projection slice theorem

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