こういう錯視を使った技術であるか… https://twitter.com/AkiyoshiKitaoka/status/999619665885249539 … http://www.psy.ritsumei.ac.jp/~akitaoka/colorconstancy.html …
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I am an experimental psychologist who studies visual illusions as well as makes illusion artworks. #illusion #opticalillusion #perception #錯視
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hiroharu.minami Retweeted Akiyoshi Kitaoka
こういう錯視を使った技術であるか… https://twitter.com/AkiyoshiKitaoka/status/999619665885249539 … http://www.psy.ritsumei.ac.jp/~akitaoka/colorconstancy.html …
hiroharu.minami added,
この図では、アルファ値が50以下ですと、理論上は画素に(知覚的な)赤はありません。なお、「RGB値で見ればRはゼロじゃないではないか。インチキだ」と批判する人が一定数いらっしゃいますが、単独なら赤を引き起こす物理的刺激(長波長光)と知覚上の赤とを混同しています。pic.twitter.com/tkSqWd4IIh
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