Table 2.
Scoring Criteria Utilized for Conventional Self-Calibration and Reconstruction vs. Proposed Data-Driven Self-Calibration and Reconstruction Evaluation
Favors A | Favors B | ||||
---|---|---|---|---|---|
Score | −2 | −1 | 0 | 1 | 2 |
Noise | A with decreased graininess with improved diagnostic capability | A with decreased graininess without diagnostic impact | Equivalent | B with decreased graininess without diagnostic impact | B with decreased graininess with improved diagnostic capability |
Contrast | A with good contrast between liver/spleen AND renal cortex/medulla not seen in B | A with good contrast between liver/spleen OR renal cortex/medulla not seen in B | Equivalent | B with good contrast between liver/spleen OR renal cortex/medulla not seen in A | B with good contrast between liver/spleen AND renal cortex/medulla not seen in A |
Sharpness | A with increased sharpness with improved diagnostic capability | A with increased sharpness without diagnostic impact | Equivalent | B with increased sharpness without diagnostic impact | B with increased sharpness with improved diagnostic capability |
Artifacts (besides cardiac motion related nonuniformity) | A with decreased artifacts to the point of improved diagnostic capability | A with decreased artifacts without diagnostic impact | Equivalent | B with decreased artifacts without diagnostic impact | B with decreased artifacts to the point of improved diagnostic capability |
Confidence of detecting liver lesions | A with improved confidence of detecting liver lesions in more than half of the images | A with improved confidence of detecting liver lesions in fewer than half of the images | Equivalent | B with improved confidence of detecting liver lesions in fewer than half of the images | B with improved confidence of detecting liver lesions in more than half of the images |