Microtek 1000xl Manual De Referencia
112 Microtek ScanWizard Pro for Macintosh
Threshold tool
(Line Art images only)
3
Check this box if
you wish to
sharpen your
Line Art image.
you wish to
sharpen your
Line Art image.
Aside from dragging
the sliders, you can
also enter a value in
the Threshold edit box
to change the
Threshold.
the sliders, you can
also enter a value in
the Threshold edit box
to change the
Threshold.
Drag the slider to change the Threshold.
• To darken the original, drag the slider to the
right. This increases the Threshold value so that
more pixels are turned to black, resulting in a
darker image.
right. This increases the Threshold value so that
more pixels are turned to black, resulting in a
darker image.
• To lighten the original, drag the slider to the left.
This lowers the Threshold value so that more
pixels are turned to white, resulting in a lighter
image.
This lowers the Threshold value so that more
pixels are turned to white, resulting in a lighter
image.
For Line Art images, the only AIC tool available is the Threshold tool.
Threshold is the dividing line between black and white; the range is 0 to 255,
and the default is 128. Thus, gray levels below the Threshold are converted to
black, while gray levels equal to or above the Threshold are converted to white,
resulting in a high-contrast, black-and-white representation of the image.
and the default is 128. Thus, gray levels below the Threshold are converted to
black, while gray levels equal to or above the Threshold are converted to white,
resulting in a high-contrast, black-and-white representation of the image.