Ricoh Company, Ltd.

Shinichi Kosuga

Yuji Yamanaka

Hiroaki Takahashi

Akira Takahashi

Nobuhiro Morita

Toshiyuki Iseki

Toshimichi Nasukawa

An image input apparatus that inputs an image of an object residing within a living body is disclosed. The image input apparatus includes a light source that irradiates near infrared light on the living body, a lens array arranged at a position facing the living body and including plural lenses each having a face with zero or negative power arranged at a side facing the living body and a face with positive power arranged at a side facing an image surface, an imaging unit arranged at the image surface side of the lens array that forms a compound-eye image corresponding to a collection of ommatidium images formed by the lenses of the lens array, and a reconstruction unit that reconstructs a single image from the compound-eye image using a parallax between the ommatidium images. The reconstructed single image is input as the image of the object.

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Iwate, Japan

Shinichi Kosuga