Photoshop Retouching Tutorials,
Adobe Photoshop CS3 Tutorials:
Give the Maid the Day Off,
Take Care of the Dust Yourself
This page on top Photoshop retouching tutorials concerns removing dust from images.
You're not the first to discover a whole bunch of sky spots on your digital image. You can thank the build-up of dust on your camera's sensor for this little present.
Ridding your image of the sensor dust involves the Clone Stamp Tool, Spot Healing Brush Tool, a couple of layers, Dust & Scratches filter and the Eraser tool. Photoshop CS3 is used in these examples.
Open your image to 100% (Actual Pixels) and duplicate the layer. Work on the top layer.
Bring up the Dust and Scratches filter. Set both Radius and Threshold to zero. Now move the Radius slider until your dust spots disappear or blend in with the rest of the composition.
Next, move the Threshold until the dust spots reappear and then take it back a notch. Press OK. This is where it gets tricky because you want to preserve the sky texture/grain yet remove the dust. You'll notice the top layer is blurry, but don't worry, it will all come together in the end.
With your Eraser tool, start removing the clouds from the top layer. As with many Photoshop retouching tutorials, the settings are your preference, but I always like having the hardness at 0%. The opacity varies, but is usually between 50 and 100%.
Feel free to erase into the blue sky. It will reveal the dust spots, but those will be handled next with the Clone Stamp Tool or Spot Healing Brush.
It's easier to tackle a few remaining dust spots than to labour over all of them at the beginning. Here are the settings for the Spot Healing Brush in this tutorial. Go easy on the Hardness - the same applies to the Clone Stamp Tool. You want a gentle feathering.
There, you're all done.
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