HP 4400C HP Scanjet 4400C/5400C Series Scanner Windows - (English) User Manual - Page 57

About the histogram, Changing the hue, Advanced, Adjust Color

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56 Scanning from HP Precisionscan Pro About the histogram The histogram is a graph of the distribution of pixels in the selection area. The magenta line represents the current setting for shadow. The red line represents the current setting for highlight. The midtone setting is not represented. Shadow Highlight The turquoise line appears in the histogram when either eyedropper cursor is positioned over the image. This line shows you where in the histogram the pixels in that area of the image occur. Where pixels in the image under the eyedropper fall The histogram represents pixel distribution in the preview image, not in the final scanned image. Changing the selection area changes the histogram. Changing the setting for highlight or shadow does not change the histogram. Back to TOC Changing the hue Color in an image consists of its hue and the saturation. Hue refers to the overall color cast of the image. The software sets the hue for an image, but you can change it. You might want to change it if the image has too much of one color, or if you want to create a special effect. 1 On the Advanced menu, click Adjust Color. 2 Change the overall color of the image by doing one of the following on the color wheel: l Drag the indicator circle to a new area. Indicator circle Arrows l Click the arrow for a color on the outer edge of the wheel. The result of the change can be seen in the image. Tip If the image has too much of one color, move the indicator circle away from that color. 1 On the Advanced menu, click Adjust Color. 2 Click Auto to return to the default hue and saturation settings for this scanned image.

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56
Scanning from HP Precisionscan Pro
Back to TOC
About the histogram
The histogram is a graph of the distribution of pixels in the selection
area. The magenta line represents the current setting for shadow. The
red line represents the current setting for highlight. The midtone setting
is not represented.
The turquoise line appears in the histogram when either eyedropper
cursor is positioned over the image. This line shows you where in the
histogram the pixels in that area of the image occur.
The histogram represents pixel distribution in the preview image, not in
the final scanned image. Changing the selection area changes the
histogram. Changing the setting for highlight or shadow does not
change the histogram.
Changing the hue
Color in an image consists of its hue and the saturation. Hue refers to
the overall color cast of the image.
The software sets the hue for an image, but you can change it. You
might want to change it if the image has too much of one color, or if you
want to create a special effect.
1
On the
Advanced
menu, click
Adjust Color
.
2
Change the overall color of the
image by doing one of the following
on the color wheel:
l
Drag the indicator circle to a new
area.
l
Click the arrow for a color on the
outer edge of the wheel.
The result of the change can be seen in
the image.
1
On the
Advanced
menu, click
Adjust Color
.
2
Click
Auto
to return to the default hue and saturation settings for
this scanned image.
Shadow
Highlight
Where pixels in the
image under the
eyedropper fall
Tip
If the image has too much of one color, move the
indicator circle away from that color.
Indicator circle
Arrows