PowerPoint 簡報

• Device Resolution:

Number of pixels(picture elements) : (640*480)

Dots Per Inch (dpi)

4”*4” picture scanned by 300dpi scanner = (1200*1200) dots

Display on 75 dpi CRT requires 16”*16” monitor

• Color Resolution:

bitplane

bit map (Figure 7.13)

color mapping (Figure 7.14)

gamma-correction

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