... (mm2) 24 × 36 <24 × 36Capacity (pixels) 1. 7 × 10 7 1. 7 × 10 86 × 10 6Capacity (pixels/mm2)2 × 10 4–2 × 10 57 × 10 4(a)(b)Figure 1. 2 Analogue and digital reproduction. (a) Continuous ... materials have max-imum capacities from around 10 6 10 8bits/cm2.(7) Archival aspects: If correctly processed andstored, black-and-white images are of archivalpermanence.(8) Shelf-life: For ... density, density histogram, pixel valuesColour Chromaticity (CIE 19 31 xy, CIE 19 60 uv, CIE 19 76 u’v’) CIE 19 76 L*u*v*, CIE 19 76 L*a*b*Resolution (detail) Resolving power (cycles/mm, lpi, dpi,...