Spot Cleaning is handy when you want to remove noise or grain from only certain areas of the photo.
Here's a photo that's showing a lot of noise on the red truck.
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When you run Mode 4, there is no visible change to the photo. However, the action has done quite a bit:
- Created a new layer
- Created a mask (the black rectangle you see here)
- It has "cleaned" the top layer. The effect will not be visible until you "erase" part of the mask.
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The Eraser Tool will automatically be selected.
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Just adjust the size of the eraser tool brush as you need it, and start "erasing," keeping away from edge detail.
A flow setting of
around 8-22 on the eraser tool is good for detailed areas. Large areas such as the sky can be set at 100%.
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As you erase, the mask will show white areas, and the noise will start to disappear from the area
of the photo you are working on.
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If you erase too much, you can just swap the foreground and background colors in the Tools window,
and then use the Eraser Tool to "un-erase" the area.
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The photo after Spot Cleaning.
After cleanup, select Layer/Flatten Image from the main menu.
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