Accurate ACES Rendering in Systems Using Small 3D LUTs

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE Mot. Imag. J
Volume: 122, No. 3, pp. 41–47
Abstract: The Academy Color Encoding System (ACES) color space has unlimited dynamic range; however, it is not easy to implement ACES workflow and maintain high quality on many grading systems currently in use. This paper describes custom Log ACES and High Saturated Log ACES (HSLA) methods designed to solve this problem. The custom Log ACES method can process negative ACES values and can handle high dynamic range. HSLA expands the ACES color space to reduce unused area and spread real color data area in order to employ three-dimensional lookup tables (3D LUTs) more effectively. These two methods drastically improve accuracy of color reproduction even if the post-production system supports only 3D LUTS with fewer than 33-point lattices.
Publication Date: 2013-04-01
DOI: 10.5594/j18279
ISSN: Print: 1545-0279
Link: https://doi.org/10.5594/j18279
Author(s): Yasuharu Iwaki
bio
Yasuharu Iwaki received an MME degree in electronics and information engineering form Nagaoka University of Technology in 1993. From 1993 he is working for Fujifilm Corp. His work has focused on the development of color management technology for digital photographic printer and digital motion picture devices.
Mitsuhiro Uchida
bio
Mitsuhiro Uchida has been working on the research and development of color photographic film at Fujifilm since graduating from Tokyo Institute of Technology. He has expanded his target to film camera, digital photo printer, and digital cameras. He joined the AMPAS IIF committee in 2009 and has been actively contributing to IIF-ACES activity, attending IIF meetings in Hollywood every two months from Japan. Uchida has also contributed a wide spectrum of ACES, especially RRT development. Currently, he is contributing to the logACES standard and marketing Fujifilm's new CCBOXX.
Copyright: © 2013 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Selan Jeremy ( 2004 ). “Using Lookup Tables to Accelerate Color Transformations” GPU Gems 2, Chapter 24. http://http.developer.nvidia.com/GPUGems2/gpugems2_chapter24.html ISBN 0-321-33559-7. EXTERNAL

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Yasuharu Iwaki and Mitsuhiro Uchida; Accurate ACES Rendering in Systems Using Small 3D LUTs, SMPTE Motion Imaging Journal ( Volume: 122, Issue: 3, April 2013); SMPTE, 2013. Available at https://doi.org/10.5594/j18279

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Yasuharu Iwaki and Mitsuhiro Uchida; Accurate ACES Rendering in Systems Using Small 3D LUTs, SMPTE Motion Imaging Journal ( Volume: 122, Issue: 3, April 2013); SMPTE, 2013. Available at https://doi.org/10.5594/j18279

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<span class="citation">Yasuharu Iwaki and Mitsuhiro Uchida; <cite>Accurate ACES Rendering in Systems Using Small 3D LUTs</cite>, SMPTE Motion Imaging Journal ( Volume: 122, Issue: 3, April 2013); SMPTE, 2013. Available at <a href="https://doi.org/10.5594/j18279" target="_blank" rel="noopener">https://doi.org/10.5594/j18279</a></span>

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Yasuharu Iwaki and Mitsuhiro Uchida; Accurate ACES Rendering in Systems Using Small 3D LUTs, SMPTE Motion Imaging Journal ( Volume: 122, Issue: 3, April 2013); SMPTE, 2013
doi: 10.5594/j18279
url: https://doi.org/10.5594/j18279

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Yasuharu Iwaki and Mitsuhiro Uchida; <cite id="bib-10-5594-j18279">Accurate ACES Rendering in Systems Using Small 3D LUTs</cite>, SMPTE Motion Imaging Journal ( Volume: 122, Issue: 3, April 2013); SMPTE, 2013
<span class="doi">10.5594/j18279</span>
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