Systems and methods for eye tracking with spatially varying k-vectors

Systems and method for eye tracking are provided. In some embodiments, the eye tracking system includes a light source configured to generate light and project the light toward an object in a field of view, a detector configured to receive reflected portions of the light from the field of view in or...

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Bibliographische Detailangaben
Hauptverfasser:	Andreev, Gregory Olegovic, Li, Gang, Jang, Changwon
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CINEMATOGRAPHY COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	Systems and method for eye tracking are provided. In some embodiments, the eye tracking system includes a light source configured to generate light and project the light toward an object in a field of view, a detector configured to receive reflected portions of the light from the field of view in order to image the object, and a combiner including a volume grating configured to direct light reflected from different points in a field of view to the light detector. The volume grating includes a plurality of portions along a first area and each of the portions comprising a unique k-vector that is dependent on a respective portion of the field of view.