FUJITSU 50FH5037E-02 - Manual (Page 21)

(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.
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