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¥¬&��*¯\$®\' [N��Retina of a living human eye(1) (David Williams, in Optics & Photonics News, vol.9, no.1, 1998)

900 cones/0.021mm2 = 42,800 comes/mm2

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30cm!

120 cones/deg!

iPhone 5sc: 1,136 x 640 (326ppi)!iPad Air: 2,048 x 1,536 (264ppi)!iPad mini retina: 2,048 x 1,536 (326ppi)!MacBook Pro 13’: 2,560 x 1,600 (227 ppi)�

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L, M, S®\N�'�J� Joseph Carroll, Daniel C. Gray, Austin Roorda and David R. Williams, Optics & Photonics News, vol. 16, 36-41 (2005)

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achromatic r/g y/b

COLOR APPEARANCE

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Cone Stage

Neural Coding Stage

Striate Cortex Stage

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色度変調�

red/green! yellow/blue!

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