Following are before and after pictures from a satellite image (default parameters):
And here are before and after pictures from a color image (default parameters):
The following options are available:
Strength When this value is 255, mapped pixels are not blended with the original pixel values, so a full-strength effect is obtained. As the value is reduced, each mapped pixel is blended with more of the original pixel. At a value of 0, the original pixels are passed through and there is no sharpening effect.
Threshold This value determines how close a pixel must be to the brightest or dimmest pixel to be mapped. If a pixel is more than threshold away from the brightest or dimmest pixel, it is not mapped. Thus, as the threshold is reduced, pixels in the mid range start to be spared.
Frankly, at this time it is not clear that both the strength and threshold parameters are necessary. However, until matters become clear through experience, both are retained.
The filter supports preview, scripting, and batch operation.
Version 1.0 beta 2 [Source code] Beta 2 fixes a problem in script support and corrects a string display in the filter list.
Version 1.0 beta 1 was the first available version.
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