Binary Processing (Dither Screen) - Canon Image Reader-A1 iR5000i Service Manual

CHAPTER 2 MAIN CONTROLLER

2.2.7 Binary Processing (dither screen)

The machine's dither screen method is designed to convert the 8-bit image density signal
of film photo mode into a 1-bit image density signal (binary), enabling 144 gradations for
binary images (12x12 pixels).
2-10 S
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