Table 2 Display system and viewing conditions in human visual analysis
From: Development of an algorithm to automatically compress a CT image to visually lossless threshold
Display system | |
 Display resolution | 1536 × 2048 pixels |
 Display size | 31.8 × 42.3 cm |
 Image resolution | 1483 × 1483 pixels (stretched using bilinear interpolation) |
 Luminance | 1.5–408.2 cd/m2 |
Viewing conditions | |
 Ambient room light | 30 lux |
 Reading distance | 42–77 cm |
 Window setting | level, 20 HU; width, 400 HU for abdomen CT, |
level, −600 HU; width, 1500 HU for chest CT, not adjustable | |
 Magnification | not allowed |
 Reading time | not constrained |