Patent ID: 11867500
Assignee: TEXAS INSTRUMENTS INCORPORATED
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 5:
6. A structured light imaging system comprising:
a projector configured to project a plurality of phase-shifted structured light patterns; and
a time-of-flight (TOF) sensor,
wherein the structured light imaging system is configured to perform a method comprising:
identifying a first location in a time-of-flight (TOF) depth image using a projector-TOF sensor calibration matrix;
identifying a projector plane location in a camera image based on the TOF depth image by at least mapping the first location in the TOF depth image to the projector plane location using a camera-TOF sensor calibration matirx;
identifying a second location in a structured light image based on a phase value of the second location and further based on a phase value of the projector plane location; and
computing a depth value for a location of the projector based on the second location.