Optics-less smart sensors and a possible mechanism of cutaneous vision in nature

Details Optics-less smart sensors and a possible mechanism of cutaneous vision in nature Optics-less smart sensors and a possible mechanism of cutaneous vision in nature

2008-08-08

arxiv.org/abs/0808.1225v1

Physics

Optics

Scientific paper

Optics-less cutaneous (skin) vision is not rare among living organisms, though its mechanisms and capabilities have not been thoroughly investigated. This paper demonstrates, using methods from statistical parameter estimation theory and numerical simulations, that an array of bare sensors with a natural cosine-law angular sensitivity arranged on a flat or curved surface has the ability to perform imaging tasks without any optics at all. The working principle of this type of optics-less sensor and the model developed here for determining sensor performance may be used to shed light upon possible mechanisms and capabilities of cutaneous vision in nature.

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