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The Digital Photography Workflow Handbook by Uwe Steinmueller, Juergen Gulbins

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Brush Off Noise

Image noise often only affects certain parts of an image, as our example in Figure 8-110 shows. To clarify the effect we are trying to achieve, we have reproduced the noisy image detail enlarged and slightly brighter in Figure 8-111. We will use a layer mask to selectively remove this noise.

This image displays heavy noise in the shadow area indicated by the dotted line.

Figure 8-110. This image displays heavy noise in the shadow area indicated by the dotted line.

You can use your noise reduction tool of choice for this type of correction. We recommend Neat Image [79] or Dfine [75]. (For more information, see Reducing Noise Without Losing Detail.)

  1. First, we copy the background layer (either by dragging it to the ...

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