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What is Dynamic Range Increase?

Dynamic Range Increase or DRI technology is used in digital photography to compensate for the reduced dynamic range for digital cameras .

be made this two to five photos of the exact same subject with different exposure times. Thus, in the longer exposure shots are overexposed points, but these are illuminated also weak Areas visible. In the recordings with the shorter exposure times, however, the bright spots are visible differentiation, the low-light areas, but black.

These individual images are combined later with an image editing program, in each case the lightest areas of an image with the next darker from the be replaced. This gives a range of contrast in the reduced image in which both the brightest and the darkest areas visible in its structure.

Link: Dynamic_Range_Increase