(b) Normal mode
This mode is used when using writing materials other than above.
(4)
Noise removal
Among black
>
dots in the binary picture code, the black
>
dot for the noise is changed
to white
>
dot.
2.3.1.2
Image processing function
Table 2.3 Image processing function
The functions above are all image processing circuit (IPC) functions.
No.
Function name
Details function
1
Separation
Line
>
drawing/Photo
(
)
automatic separation
Recognizes the photo area and Line
>
drawing
area in one scanning automatically, and
outputs data with applying dither processing or
error diffusion for the photo and the binarizing
for the line
>
drawing.
2
Outline extraction
Extracts the outline of the Line
>
drawing such
as a thick character.
3
Image emphasis
Emphasizes the black
>
white contrast to raise
the resolution.
4
Overlay
Overlays the pattern on the scanned data and
make the overlayed black data to white data.
5
Inversion
(White/black conversion)
Converts white into black and black into white
of read data (binary data).
6
Mirror image
Turns over the both sides of read data.
7
Simplified Dynamic
threshold
Changes the slice level of the binarizing
according to the density of the document.
8
Zooming
Magnifies or reduces the document in the range
between 25% and 400% with 1% step. Also
reads the document with different
magnification in horizontal and vertical
scanning.
9
Subwindow
4 Subwindow can be specified on Main window.
50FH5037E
>
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Summary of Contents for 50FH5037E-02
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