User`s guide

Test Patterns Service | 97
AAPM TG18 Test Patterns
Set Series Type Images Description
Multi Purpose
(1K and 2K)
TG18-QC Vis./Qnt 1 Resolution, luminance, distortion, artifacts
TG18-BR Visual 1 Briggs pattern, low contrast detail vs. luminance
Luminance
(1K only)
TG18-CT Visual 1 Luminance response
TG18-LN Quant. 18 DICOM grayscale calibration series
TG18-UN Visual 2 Luminance and color uniformity and angular
response
TG18-UNL Quant. 2 Same as above with defining lines
TG18-AD Visual 1 Contrast threshold at low luminance for evaluating
display reflection
Resolution TG18-RH Quant. 3 5 horizontal lines at 3 luminance levels for
LSF evaluation
TG18-RV Quant. 3 5 vertical lines at 3 luminance levels for
LSF evaluation
TG18-PX Quant. 1 Array of single pixels for spot size
TG18-CX Visual 1 Array of Cx patterns and a scoring reference for
resolution uniformity