[Central Slice Theorem-based Relationship between 1D-NPS Obtained by the Slit Method and 2D-NPS for CT Images].

Akihiro Narita,Masaki Ohkubo,Takahiro Fukaya,Yoshiyuki Noto

Nihon Hoshasen Gijutsu Gakkai zasshi（2021）

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摘要

We clarified the relationship between the 1D-NPS obtained by the slit method and the 2D-NPS using a theoretical approach and the computer simulation. We had to maximize the slit length to achieve the accurate measurement of the 1D-NPS using the slit method.

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关键词

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

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