Carrots and oranges appear to be orange in color, though the pixels are not.pic.twitter.com/jETNUS77ND
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二色法画像は、色相が単一になります。「それじゃ、一色法だろ」と突っ込まれそうですね。
よほど鮮やかな(彩度の高い)色でないと、二色法で色の恒常性(元の色がわかること)は成立しないです。
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