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Use r’s Man ua l
4- 12
4 .3 .2 Ot her I m age Options
Bina r iza tion Thi
s is the process of converting a
grayscale or color im age to a bi- tonal
im age. There are several different
m et hods of perform ing t his conversion.
Options: Dyna m ic Thr e shold,
Dynam ic Thresh old ( AD ) , Fix e d
Processing, H alftone 1 ~ 5 , Error
Diffu sion .
Dynam ic Th r e shold: Select ing
Dynam ic Thresh old allows the scanner
to dynam ically evaluat e each docum ent
to det erm ine t he opt im al t hreshold value
to produce t he highest quality im age.
This is used t o scan m ixed docum ent
containing faint t ext, shaded background,
or color background wit h a single set t ing.
I f Dynam ic Threshold is select ed,
Threshold, Brightness, and Contrast are
not available.
Dynam ic Th r e shold ( AD ) : Select ing
Dynam ic Thresh old ( AD ) to perform
the enhanced m ode of the Dynam ic
Threshold feature. However, using this
m ode m ay slow down your scanning
speed.
Se nsitivity of D ynam ic Thre shold
Occasionally your scanned im age m ay
contain sm all dot s or speckles. To rem ove
these spot s, increase t he sensit ivit y value
by m oving t he bar t o t he right. The value
ranges from 1 to 30. The default is 20.
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