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Single shot three-dimensional imaging using an engineered point spread function
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DOI：10.1364/OE.24.005946.png)
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Abstract
En 中文
A system approach to acquire a three-dimensional object distribution is presented using a compact and cost efficient camera system with an engineered point spread function. The corresponding monocular setup incorporates a phase-only computer-generated hologram in combination with a conventional imaging objective in order to optically encode the axial information within a single two-dimensional image. The object's depth map is calculated using a novel approach based on the power cepstrum of the image. The in-plane RGB image information is restored with an extended depth of focus by applying an adaptedWiener filter. The presented approach is tested experimentally by estimating the three-dimensional distribution of an extended passively illuminated scene. (C) 2016 Optical Society of America
Keywords:
DEPTH
CEPSTRUM
DEFOCUS
STEREO
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