COMPRESSION AND INTERACTIVE PLAYBACK OF LIGHT FIELD PICTURES
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Apr 12, 2016
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Apr 17, 2015
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Abstract
A compressed format provides more efficient storage for light-field pictures. A specialized player is configured to project virtual views from the compressed format. According to various embodiments, the compressed format and player are designed so that implementations using readily available computing equipment are able to project new virtual views from the compressed data at rates suitable for interactivity. Virtual-camera parameters, including but not limited to focus distance, depth of field, and center of perspective, may be varied arbitrarily within the range supported by the light-field picture, with each virtual view expressing the parameter values specified at its computation time. In at least one embodiment, compressed light-field pictures containing multiple light-field images may be projected to a single virtual view, also at interactive or near-interactive rates. In addition, virtual-camera parameters beyond the capability of a traditional camera, such as “focus spread”, may also be varied at interactive rates.
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