title: Understanding Fourier space and filter selection.
authors.affiliation: Department of Diagnostic Radiology, Yale University School of Medicine, New Haven, Conn., USA. george.zubal@yale.edu
authors.forename: I G
authors.initials: IG
authors.lastname: Zubal
authors.forename: G
authors.initials: G
authors.lastname: Wisniewski
mesh_terms: D007091:Image Processing, Computer-Assisted; D015899:Tomography, Emission-Computed, Single-Photon