Page 197 of 244
7.4. Low Contrast Resolution Evaluation
7.4.1. Homogeneity Standards
Parameter LSL (Lower Specification Limit) USL (Upper Specification Limit)
Low Contrast Resolution - 2.5 mm
7.4.2. Phantom Specifications
CEPH Phantom QUART Phantom
7.4.3. Test Method
The evaluation is conducted in the same manner as in the evaluation methods of 1.3 and 2.3.
7.4.4. Test Result
High-Resolution PA Mode Green PA Mode
Parameter LSL Measurement value USL Pass/Fail
Low Contrast Resolution -
High Resolution :
Green :
2.5 mm