Freestone IP Law PLLC
Structured light depth sensing
At least one waveguide is configured to receive coherent illumination light and direct the coherent illumination light to an object as a first light projection and second light projection. At least one interference pattern is generated by interference between the first light projection and the second light projection. A camera captures interference images of a plurality of phase-shifted interference images and a depth from an object may be determined from the phase-shifted interference images.
Facebook Technologies, LLC
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Qi Qing Robin
Zhang Chao Sharma