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Image noise measured from 2 mm and 5 mm image before PKAID denoising, and from images after PKAID denoising using a prior image with slice thicknesses of 5, 8 and 10 mm, and relative change of noise (“+” indicates increase of noise) compared to the clinically used 5 mm image.
| 5 mm | Original 2 mm | 2 mm + PKAID (5 mm prior) | 2 mm + PKAID (8 mm prior) | 2 mm + PKAID (10 mm prior) | |
|---|---|---|---|---|---|
| Noise(HU) | 4.40 | 5.85 | 4.50 | 3.95 | 3.74 |
| Relative Change | - | +36.6% | +2.5% | −11.4% | −16.7% |
