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Photographic Multishot Techniques by Rainer Gulbins, Juergen Gulbins

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6 HDRI – Increasing Dynamic Range

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In spite of rapid improvements that have been made in camera technology in recent years, we still often come across scenes which encompass a broader tonal range than a normal digital camera is capable of capturing. Shooting multiple images with different exposure settings and then merging those images into one allows the photographer to create images with extended dynamic range. This technique produces what are known as HDRIs, or High Dynamic Range Images. The acronym DRI stands for “Dynamic Range Increase”. Here, the term “dynamic range” describes the difference in brightness between the pixels with the brightest ...

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