IMAGE CAPTURING APPARATUS, SYSTEM AND METHOD
First Claim
1. An apparatus, comprising:
- time of flight single-photon avalanche diode (ToF SPAD) circuitry, which, in operation, generates multiple indications of distance between the apparatus and at least one object within a field of view of the apparatus, wherein the multiple indications of distance corresponding to respective regions within the field of view of the apparatus; and
processing circuitry, which, in operation,controls at least one image sensor to capture at least one image based on at least one of the multiple indications of distance between the apparatus and the at least one object within the field of view of the apparatus; and
determines whether the at least one image comprises a true representation of an expected object, the determining including;
comparing the multiple indications of distance to an expected object distance profile; and
comparing the at least one image to at least one expected object image.
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Abstract
An apparatus includes time of flight single-photon avalanche diode (ToF SPAD) circuitry. The ToF SPAD circuitry generates indications of distance between the apparatus and an object within a field of view. A processor receives the indications of distance and controls at least one image sensor, such as a camera, to capture at least one image based on at least one indication of distance. The processor determines whether an image is a true representation of an expected object by comparing multiple indications of distance associated with the object to an expected object distance profile and comparing the image to at least one expected object image.
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Citations
20 Claims
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1. An apparatus, comprising:
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time of flight single-photon avalanche diode (ToF SPAD) circuitry, which, in operation, generates multiple indications of distance between the apparatus and at least one object within a field of view of the apparatus, wherein the multiple indications of distance corresponding to respective regions within the field of view of the apparatus; and processing circuitry, which, in operation, controls at least one image sensor to capture at least one image based on at least one of the multiple indications of distance between the apparatus and the at least one object within the field of view of the apparatus; and determines whether the at least one image comprises a true representation of an expected object, the determining including; comparing the multiple indications of distance to an expected object distance profile; and comparing the at least one image to at least one expected object image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method, comprising:
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generating, using time of flight single-photon avalanche diode (ToF SPAD) circuitry, multiple indications of distance between the ToF SPAD circuitry and at least one object within a field of view of the ToF SPAD circuitry, the multiple indications of distance corresponding to respective regions within the field of view of the ToF SPAD circuitry; controlling, using processing circuitry, at least one image sensor to capture at least one image based on at least one of the multiple indications of distance between the ToF SPAD circuitry and the at least one object within the field of view of the ToF SPAD circuitry; and determining, using the processing circuitry, whether the at least one image comprises a true representation of an expected object, the determining including; comparing the multiple indications of distance to an expected object distance profile; and comparing the at least one image to at least one expected object image. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A system, comprising:
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image sensing circuitry, which, in operation, captures images of objects; time of flight single-photon avalanche diode (ToF SPAD) circuitry, which, in operation, generates indications of distance associated with objects within a field of view, the indications of distance corresponding to respective regions within the field of view; and processing circuitry, which, in operation; controls capturing of images by the image sensing circuitry based on indications of distance associated with objects generated by the ToF SPAD circuitry; and determines whether an image comprises a true representation of an expected object, the determining including; comparing multiple indications of distance associated with the object to an expected object distance profile; and comparing the image to at least one expected object image. - View Dependent Claims (17, 18, 19, 20)
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Specification