DESPECKLE PDF

Find the tools I use here. December 10, Leave a Comment. They may be all you need for an extra pass of noise reduction after Raw conversion. Build yourself a safety net when using these filters. Apply them to a duplicate of the Background layer.

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You should select isolated defects before applying this filter, in order to avoid unwanted changes in other areas of your image. The filter replaces each pixel with the median value of the pixels within the specified radius. If checked, parameter setting results are interactively displayed in preview. Adapts the radius to image or selection content by analyzing the histogram of the region around the target pixel.

The adapted radius will always be equal to or smaller than the specified radius. Sets size of action window from 1 3x3 pixels to 20 41x This window moves over the image, and the color in it is smoothed, so imperfections are removed. Despeckle 4. Enhance Filters. Activating the filter. Preview If checked, parameter setting results are interactively displayed in preview. Median Adaptive Adapts the radius to image or selection content by analyzing the histogram of the region around the target pixel.

Recursive Repeats filter action which gets stronger. Destripe Report an error in the bug tracker. Sharpen Unsharp Mask.

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Noise filters

Notice how the light areas get brighter, but the gradation in the purple mid-tones of the background is less smooth. As you move the Dark and Light sliders, the mid-tones move in unison illustrated above but can be adjusted independently illustrated below. As you move the mid-tone slider to left into the dark areas, the mid-tones get lighter. The background gradation is becoming very coarse. As you move the mid-tone slider to the right you are adding more dark areas to the middle tones.

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