An aperture system with spatially-biased apertures for 3d...

H - Electricity – 04 – N

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H04N 13/00 (2006.01)

Patent

CA 2684603

A device and method for three-dimensional (3-D) imaging using a defocusing technique is disclosed. The device comprises a lens, a plurality of spatially-biased apertures obstructing the lens, a sensor operable for capturing light transmitted from an object through the lens and the plurality of spatially-biased apertures, and a processor communicatively connected with the sensor for processing the sensor information and producing a 3-D image of the object. The spatially-biased apertures may differ in shape, size, and/or distance from the optical axis.

La présente invention concerne un dispositif et un procédé d'imagerie en trois dimensions (3D) mettant en oeuvre une technique de défocalisation. Le dispositif comprend une lentille, plusieurs ouvertures à polarisation spatiale qui obstruent la lentille, un capteur conçu pour capturer de la lumière transmise par un objet à travers la lentille et les ouvertures à polarisation spatiale, ainsi qu'un processeur qui est connecté au capteur de façon à communiquer avec lui et qui est conçu pour traiter les informations du capteur et pour produire une image en 3D de l'objet. Les ouvertures à polarisation spatiale peuvent présenter des formes, des tailles et/ou des distances par rapport à l'axe optique différentes.

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