Tone Mapping for Integrating CG Elements into Live-Action Footage

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  • TAKAHASH Nobuo
    名古屋大学大学院情報科学研究科 名古屋市立大学大学院芸術工学研究科
  • URATA Mayu
    名古屋大学大学院情報科学研究科
  • ENDO Mamoru
    名古屋大学大学院情報科学研究科
  • YASUDA Takami
    名古屋大学大学院情報科学研究科

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Other Title
  • CG実写合成における階調変換
  • CG ジッシャ ゴウセイ ニ オケル カイチョウヘンカン

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Description

When compositing CG and photographic images, tone mapping of the CG images is essential in order to join the two seamlessly. In regular CG production settings, tone mapping depends on the sensibility of the operator, which gives rise to variations in the level of live-action compositing. Herein is proposed a technique to simulate sensitometric characteristics of photographic images by tone mapping of CG images using camera response functions. Seamless image synthesis is possible with this technique because the gradations of the CG and photographic images generally agree.

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