Canon GP200 Service Manual page 100

3. OPERATIONS AND TIMING
b. AI Outline processing
AI outline processing emphasizes the edges of
characters.
When image data input is as shown in Figure
3-329, the CPU assumes the presence of charac-
ters and initiates outline processing.
Black 255
200
100
White 0
Figure 3-329 Image Data of Characters
Black 255
200
100
White 0
Figure 3-330 Image Data of Characters after
Outline Processing
3–46
COPYRIGHT © 1996 CANON INC.
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Main scanning direction
Main scanning direction
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
When image data input is as shown in Figure
3-331, the CPU assumes the presence of a photo
and does not initiate outline processing.
Black 255
200
100
White 0
Figure 3-331 Image Data of a Photo
Main scanning direction