Adobe 29180155 - Photoshop Elements 4.0 User Manual page 102

Original image, and image with Hue/Saturation adjustment applied. Only the layers under the adjustment layer are affected.
Corrects tonal values in the image.
Levels
Lightens or darkens the image.
Brightness/Contrast
Adjusts colors in the image.
Hue/Saturation
Applies a gradient map, which maps the current pixels to the color in the selected gradient.
Gradient Map
Makes color adjustments by simulating the effect of a filter in front of a camera lens.
Photo Filter
Produces a photo-negative effect by creating a negative based on the brightness values of the image.
Invert
Renders the image in black and white, with no gray, so that you can locate the lightest and darkest areas.
Threshold
Gives a flat, poster-like appearance to a photo by reducing the number of brightness values (levels) in the
Posterize
image, thus reducing the number of colors.
In the dialog box, specify options and click OK. (Invert has no options.)
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If you selected Group With Previous Layer in step 3, Photoshop Elements groups the adjustment layer with the layer
immediately below it and the effect is confined to the group.
To add more layers to the group, press Option and position the pointer over the line dividing the bottommost layer
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in the group from the layer below it. Click when the pointer changes to two overlapping circles
See also
"Merging adjustment layers" on page 98
"About histograms" on page 127
To create fill layers
In the Layers palette, select the layer above which the fill layer should be.
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To confine the effects of the fill layer to a selected area, make a selection.
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