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Volume: 15 | Article ID: art00045
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LinLogBef File Format for HDR Image
  DOI :  10.2352/CIC.2007.15.1.art00045  Published OnlineJanuary 2007
Abstract

A file format suitable for storing a full-color high dynamic range image should allow for keeping image information with an accuracy exceeding color visual threshold. Plane use of a floatingpoint encoding results in too large files, while the Extended Range format produces more compact files. However, there is still an opportunity for a better result.This paper suggests file format that not only provides files smaller than Extended Range format and meets the accuracy requirement, but also allows for a trade off between data precision and file size. The format design is based on a coordinate system convenient for brightness, contrast and dynamic range editing which preserves chromatic coordinates.

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Sergey N. Bezryadin, "LinLogBef File Format for HDR Imagein Proc. IS&T 15th Color and Imaging Conf.,  2007,  pp 239 - 243,  https://doi.org/10.2352/CIC.2007.15.1.art00045

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Copyright © Society for Imaging Science and Technology 2007
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