Epson Expression 13000XL Users Guide - Page 30

Output, Configuration, Preview, Eyedropper Sampling Area, Histogram, Histogram Adjustment Tab

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Advanced Scanning > Image Adjustment Features for Photo Mode Histogram Adjustment Tab You can use the histogram to adjust the brightness of the image. Histogram 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. indicates gamma, and indicates ❏ 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. Channel Select the color (RGB) to be adjusted using the histogram. Input Displays the values for shadow, gamma, and highlight when scanning an original. Output Displays the values for the previous shadow and highlight adjustments. Tone Curve 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. 30

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Histogram Adjustment Tab
You can use the histogram to adjust the brightness of the image.
Histogram
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,
indicates gamma, and
indicates
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
.
Channel
Select the color (RGB) to be adjusted using the histogram.
Input
Displays the values for shadow, gamma, and highlight when scanning an original.
Output
Displays the values for the previous shadow and highlight adjustments.
Tone Curve
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
.
Advanced Scanning
>
Image Adjustment Features for Photo Mode
30