Retinomorphic chip vs CCD camera

CCD Camera (top) versus Retinomorphic Chip (bottom)

Uniform Lighting and Different Viewpoint

Nonuniform Lighting and Same Viewpoint

Face Recognition Results

Figures courtesy Kwabena Boahen, UPenn

Also “Illumination-invariant face recognition with a contrast-sensitive silicon retina”, J Buhman, M Lades & F Eeckman, Advances in Neural Info. Proc. Sys., 6:764-772, Morgan Kaufman CA, 1994.

CCD: 512X480, 8-bit, global AGC.

OPL chip: 90X92, local AGC.

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