Short-Axis PET Image Quality Improvement by Attention CycleGAN Using Total-Body PET

Table 1

Evaluation scale of radiologist experts.

Evaluation scale	Score
The image is not diagnostic, too large noise, poor lesions	1
Image quality is acceptable, large noise, poor description of lesions, reduce diagnostic confidence	2
Image quality is acceptable, reaching the clinical routine image quality	3
Image quality is better than average image quality	4
Image quality is excellent, low noise, the lesion is clear, no artifact	5