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电子科技

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杭州杭州电子科技大学

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High dynamic range imaging (HDR)


is a set of methods used in image processing, computer graphics, and photography, to allow a greater dynamic range between the lightest and darkest areas of an image than current standard digital imaging methods or photographic methods.

This wide dynamic range allows HDR images to represent more accurately the range of intensity levels found in real scenes and is often captured by way of a plurality ...

In simpler terms


HDR is a range of methods to provide higher dynamic range from the imaging process. Non-HDR cameras take pictures at one exposure level with a limited contrast range. This results in the loss of detail in bright or dark areas of a picture, depending on whether the camera had a low or high exposure setting. HDR compensates for this loss of detail by taking multiple pictures at different exposure ...