Coded Aperture and Optical Heterodyning: A mask-based approach for Digital Refocusing and Light-Field Acquisition by Conventional Cameras


We describe a theoretical framework for reversibly modulating 4D light fields with patterned masks in the optical path of a lens based camera. Based on this framework, we present a novel design to reconstruct the 4D light field from a 2D camera image without any additional lenses as required by previous light field cameras. The patterned mask attenuates… (More)


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