Sensor System With Active Illumination
Assigneeams Sensors Singapore Pte. Ltd.
InventorsThierry Oggier, Mathias Deschler, Stéphane Kaloustian
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Abstract
The present invention relates to vision sensors based on an active illumination. An imaging system includes an imaging sensor and is adapted to process an image of a scene being illuminated by at least two different illumination sources each having a wavelength in the near infrared range. In a variant, the imaging system is adapted to use an illumination source having a modulation frequency below the modulation frequency used to perform a three dimensional time of flight measurement. In a variant, the imaging system is adapted to acquire a reduced number of samples per frame than used in time of flight measurements.
Claims23
An imaging system including an imaging sensor, the imaging system being operable to process an image of a scene being illuminated by at least two different illumination sources each having a wave-length in the near infrared range.
8-14. (canceled)
An imaging system including a time of flight sensor, wherein, the imaging system is operable to use an illumination source having a modulation frequency below the modulation frequency used in time of flight measurements.
22-28. (canceled)
An imaging system including a time of flight sensor, wherein the imaging system is operable to acquire a number of samples per frame which is smaller than a number of samples per frame used in time of flight measurements.
35-40. (canceled)
Dependencies are inferred from the claim text.