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High Dynamic Range Imaging

High-dynamic-range imaging: is used in imaging and photography to recreate a greater dynamic range of luminosity than is possible with standard digital imaging and photographic techniques. The aim is to present a similar range of luminance to that experienced through the human visual system. HDR images can represent a greater range of luminance levels than can be achieved using more traditional methods, such as many real-world scenes containing very bright, direct sunlight to extreme shade, or very faint nebulae. This is often achieved by capturing and then combining several different, narrower range, exposures of the same subject matter.[1][2][3][4] Non-HDR cameras take photographs with a limited exposure range, referred to as LDR, resulting in the loss of detail in highlights or shadows.

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