A p p e n d i x B — O v e r v i e w o f t h e S c a n n i n g P r o c e s s 151
Example data flow: DuoScan T2500, final scan
Gray-Scale (8 bit),
Optimize: Speed/Quality Gray-Scale (8 bit),
Optimize: Best Quality
Gray-Scale (16 bit)
CCD
12 bit
Descreen
Sharpness
Range: Dmin/Dmax
Gradation
12 bit -> 8 bit
CCD
12 bit
Descreen
Sharpness
Range: Dmin/Dmax
Gradation
CCD
12 bit
Descreen
Sharpness
Range: Dmin/Dmax
Gradation
White/Black Point
Curves
File or Photoshop
8 bit
Gray-Scale Correction
White/Black Point
Curves
File or Photoshop
8 bit
Gray-Scale Correction
12 -> 8 bit
White/Black Point
Curves
File or Photoshop
16 bit
Gray-Scale Correction
12 -> 16 bit