Tone Curve Settings - Canon CanoScan FB 1200S User Manual

Tone Curve Settings

You can edit the tone curve directly by changing the shape of the line on the graph.
When you change the setting by manipulating the curve, you can perform fine
adjustments in the brightness of only the shadows, only the highlights, or both the
shadows and highlights.
Hint
• You cannot use this feature with black and white scan mode or the 24-bit
color scan mode when ColorSync
Manipulating the Graph
The following examples show you how to manipulate the graph to change the settings.
When you test these settings yourself, you can see the changes immediately reflected in
the preview window or the browser to achieve many interesting effects.
Unadjusted Curve
OUTPUT
TM is selected.
OUTPUT
If you want to
brighten the
light areas ...
INPUT
OUTPUT
If you want to
invert the
shadows and
highlights ...
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S T E P
Drag the mid-tones of the input side
(scanned image) into the highlights of the
output side (displayed image)
INPUT
Reverse the starting and end points of the
line to invert shadows and highlights.
INPUT
(If the image is in color, the colors are
switched to their complementary colors.)
4