| CPC H04N 23/75 (2023.01) [H04N 23/20 (2023.01); H04N 23/54 (2023.01); H04N 23/55 (2023.01)] | 16 Claims |
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1. An optical system for imaging an object, the optical system comprising:
a spatial encoding arrangement for generating spatially encoded light with an initial spatial distribution;
a coded aperture defining a mask pattern which is based on the initial spatial distribution of the spatially encoded light; and
an image sensor,
wherein the optical system is configured such that, in use, the spatial encoding arrangement directs the spatially encoded light onto the object so that the object reflects at least a portion of the spatially encoded light to form reflected light, the reflected light is directed through the coded aperture to form spatially decoded light, the spatially decoded light is directed onto the image sensor so as to form an image thereon, and the image sensor detects the image, and
wherein the spatial encoding arrangement comprises a plurality of optical emitters, wherein the plurality of optical emitters are spatially arranged so as to define the initial spatial pattern of the spatially encoded light, and wherein the mask pattern defined by the coded aperture is the inverse of the initial spatial pattern of the spatially encoded light defined by the spatial arrangement of the plurality of optical emitters.
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