I'm scanning some old magazine pages. But because some clippings are irregular shaped, the bright white of the scanner lid is in the image. So this throws off Auto Levels %26amp; Auto Contrast. If I take the marquee tool to select a portion of the image, is there a way to auto level the entire document based on the smaller marquee selected area?
Auto level entire image based on...make a selection, add a Levels adjustment layer, (option) click on Auto and then disable/delete the layer mask
Auto level entire image based on...Hmmm... I must be missing a step. Help me out here...
I'm making a selection of the area I want to use for auto levels. I click on the Levels adjustment layer, it creates an Adjustment layer with layer mask. I option-click Auto in the Levels palette -- and it brings up a dialog box. Now what?
I put option in parentheses because it's optional, option+click if you want to bring up the settings dialog. If you just click on Auto, it will invoke the Auto Tone function, if you want Auto Color or Auto Contrast then you need to option+click
Silly me... I skipped over the part about turning off the Layer Mask afterward!?
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