Epson Expression 13000XL User Manual page 30

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Advanced Scanning

Histogram Adjustment Tab

You can use the histogram to adjust the brightness of the image.

Histogram

Channel

Input

Output

Tone Curve

Image Adjustment Features for Photo Mode

While checking the histogram (a graph that indicates light and shade) of the image, you

can adjust the brightness (shadow for the darkest parts, gamma for the medium light

and shade parts, and highlight for the lightest parts) of the image.

Adjust using one of the following methods.

❏ Move the triangle mark

The

symbol indicates shadow,

highlights.

❏ Select the

button

Use the eyedropper displayed on the preview image, and select the color you want to

shadow, gamma, or highlight.

❏ Enter values directly

Adjust the values in Output for shadow and highlight. When the highlight is set to 255,

the light parts will be white. When the shadow is set to 0, the dark parts will be black.

You can change the measurement range for the eyedropper by clicking the

(Configuration) button, and then selecting Preview > Eyedropper Sampling Area.

Select the color (RGB) to be adjusted using the histogram.

Displays the values for shadow, gamma, and highlight when scanning an original.

Displays the values for the previous shadow and highlight adjustments.

Displays the density for the output value for the image input value.

Adjusts the density outside of the shadow or highlight parts set in Histogram.

indicates gamma, and

indicates

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