Canon CanoScan FS2700F User Manual - Page 65

Adjusting a Tone Curve (Expert Mode

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Step 3 • Adjusting Images Adjusting a Tone Curve (Expert Mode) In expert mode, you can balance the input and output data by editing the tone curve, a graphical depiction of the relationship of highlights and shadows in 24-Bit Color, 36-Bit Color, 8-Bit Grayscale and 12-Bit Grayscale images. You can edit the master tone curve or the individual tone curves for each RGB channel. This method of brightness adjustment is particularly suited to making fine changes to specific areas of an image. Tone Curve Tab Click the [Image] menu and select [Adjust] or click the [Adjust] button. Click the Tone Curve Tab and adjust the tone Curve. Tone Curve Tab Adjust the tone curve by dragging the mouse cursor on the graph to change the shape of the curve. You can save and reload the settings. Select the channel to be edited. Each channel can be set independently. Click on the tone curve to display the control points, then drag one to change the curve shape. You can set a multiple number of control points. Loads settings from files with the extension [.adc] for color images or [.adg] for grayscale images. Displays the current input and output levels between 0 (dark) and 255 (light) corresponding to the position of the mouse cursor. The larger the output level in relation to the input level, the brighter the reproduction of the image. Saves settings to a file with the extension [.adc] for color images or [.adg] for grayscale images. Cancels the settings and closes the dialog. Accepts the settings and closes the dialog. Resets all the settings to the initial values. Restores the tone curve to its initial settings. 65

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65
Adjusting a Tone Curve (Expert Mode)
In expert mode, you can balance the input and output data by editing the tone
curve, a graphical depiction of the relationship of highlights and shadows in 24-Bit
Color, 36-Bit Color, 8-Bit Grayscale and 12-Bit Grayscale images. You can edit the
master tone curve or the individual tone curves for each RGB channel. This method
of brightness adjustment is particularly suited to making fine changes to specific
areas of an image.
Tone Curve Tab
Adjust the tone curve by dragging the mouse cursor on the graph to change the
shape of the curve. You can save and reload the settings.
Click the [Image] menu and
select [Adjust] or click the
[Adjust] button.
Tone Curve Tab
Click the Tone Curve Tab and adjust
the tone Curve.
Click on the tone curve to
display the control points, then
drag one to change the curve
shape. You can set a multiple
number of control points.
Loads settings from files with
the extension [.adc] for color
images or [.adg] for grayscale
images.
Saves settings to a file with the
extension [.adc] for color
images or [.adg] for grayscale
images.
Select the channel to be edited.
Each channel can be set independently.
Cancels the settings and closes the dialog.
Accepts the settings and closes the dialog.
Resets all the settings to the initial values.
Restores the tone curve to its initial settings.
Displays the current
input and output levels
between 0 (dark) and
255 (light) correspond-
ing to the position of
the mouse cursor.
The larger the output
level in relation to the
input level, the brighter
the reproduction of the
image.
Step 3 • Adjusting Images