Spiral CT Data Interpolation & Image Quality
Spiral/Helical/Volumetric CT
Linear Interpolation & Extrapolation
Spiral CT Raw Data Full-Scan Interpolation (FI, 360LI)
Spiral CT Raw Data Half-Scan Interpolation (HI, 180LI)
PPT Slide
Image Resolution
Temporal Resolution
High-Contrast Resolution
High-Contrast Resolution - In-Plane Resolution
High-Contrast Resolution - Through-Plane Resolution
Bad News About Spiral CT - Broadened SSP
Good News About Spiral CT - Retrospective Reconstruction
Longitudinal Bandwidth Comparison
Spiral CT Allows Better High-Contrast Resolution
Low-Contrast Resolution
Image Noise Comparison
Resolution Comparison SCT-FI, SCT-HI & Conventional CT
Spiral CT Allows Better Low-Contrast Resolution
Spiral CT Advantages
Spiral CT Disadvantages
Beam-Hardening Artifacts
Blurring Artifacts (Volume Averaging)
Stair-Step Artifacts
Stair-step Artifacts
Metal Artifacts
Motion Artifacts
References
Home Page: http://dolphin.radiology.uiowa.edu/ge
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