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You are here: Home / Archives for Artefacts (digital)

Artefacts (digital)

Any unwanted digital flaw in a photo, such as exaggerated sharpening and edge 'halos' around objects, banding or 'posterisation' due to excessive image manipulation or sensor spots exaggerated by localised contrast or HDR processes.

Bits and bit depth explained

August 15, 2019 by Rod Lawton

All digital data is made up of ‘bits’, and that includes digital images. In computing, ‘bits’ are either on or off, so there are only two possible values. But when you use them together the combinations are multiplied so you can record a much wider range of values. The number of bits used is the […]

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