Technology
The ICE technology works from within the scanner, so unlike the software-only solutions it does not alter any underlying details of the image. Subsequent to the original "Digital Ice" technology which used infrared cleaning, additional image enhancement technologies were marketed by Applied Science Fiction and Kodak under similar and related names, often as part of a suite of compatible technologies. The ICE technology uses a scanner with a pair of light sources, a normal RGB lamp and an IR lamp, and scans twice, once with each lamp. The IR lamp detects the dust locations with its unique detection method and then inpainting is applied based on this data afterwards. The general concept is to subtract the position of scratches and dust from the RGB image.
Read more about this topic: Digital ICE
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