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Dear Sir:

You are trying to apply your practical experience with sharpening in Photoshop to programming demosaicking. That does not work. Demosaicking algorithms used in raw converters do not use the sharpening you are familiar with. Often they do not even use a separate step for sharpening. FastRawViewer does not "dump" any data, we simply process it very fast, the demosaicking sharpeness/denoising vs. speed slider being moved towards the "speed" end. Instead for sharpness evaluation we offer the tools I listed above.