averaging method (LOTA), comparing the effects on noise ratio. The is clearly attributable to some artifact other than volume averaging alone, likely an inadequate correction for beam hardening.. Slide 23: TYPES AND CAUSES OF ARTIFACTS IMPROPER SAMPLING OF DATA PARTIAL VOLUME AVERAGING PATIENT MOTION STREAKS METAL & BEAM HARDENING NOISE. This finding may be the result of volume averaging artifact but also could represent fungal hyphae. Density Poncho Page. in the posterior left naris is possibly blood. Partial Volume Averaging, InfoSheet: - Artifacts - Case Studies,.

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Approach to Volume Averaging Artifacts. [6-19] Fast spiral computed tomographic scanners that are less affected by