Accurate ACES Rendering in Systems Using Small 3D LUTs

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: orig-research
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
Link: https://doi.org/10.5594/j18279
Author(s): Yasuharu Iwaki, Mitsuhiro Uchida

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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>
</li>