SYSTEM AND METHOD FOR DETECTING SURFACE VIBRATIONS
First Claim
Patent Images
1. A system adapted for monitoring a passenger compartment of a vehicle, comprising:
- an image sensor adapted to detect infra-red light;
a processor;
a wide angle lens mounted in front of the image sensor and having a wide field of view; and
a mount adapted to connect the image sensor and the wide angle lens to the passenger compartment such that the wide field of view covers at least part of each of a plurality of seats in the passenger compartment so as to allow detecting at least one human parameter in each of the plurality of seats;
wherein the processor adapted to detect the at least one human parameter of the human in each of the plurality of seats based on an analysis of outputs of the image sensor.
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Abstract
A system for detecting vibrations from a surface is provided. The system includes a coherent light source for projecting a multi-beam pattern onto the surface and an imaging device for mapping a speckle field generated by each spot formed on the surface by the multi-beam pattern to a unique region of an imaging sensor. The system further includes a processor for processing speckle field information received by the imaging sensor and deriving surface vibration information.
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Citations
18 Claims
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1. A system adapted for monitoring a passenger compartment of a vehicle, comprising:
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an image sensor adapted to detect infra-red light; a processor; a wide angle lens mounted in front of the image sensor and having a wide field of view; and a mount adapted to connect the image sensor and the wide angle lens to the passenger compartment such that the wide field of view covers at least part of each of a plurality of seats in the passenger compartment so as to allow detecting at least one human parameter in each of the plurality of seats; wherein the processor adapted to detect the at least one human parameter of the human in each of the plurality of seats based on an analysis of outputs of the image sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for monitoring a passenger compartment of a vehicle, comprising:
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capturing infra-red light reflected from a plurality of seats in the passenger compartment, the infra-red light is captured using an image sensor having wide angle lens and physically mounted on the passenger compartment such that a wide field of view of the wide angle lens covers at least part of each of a plurality of seats in the passenger compartment; and detecting at least one human parameter in each of the plurality of seats by an analysis of outputs of the image sensor. - View Dependent Claims (16, 17)
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18. A computer product for monitoring a passenger compartment of a vehicle, comprising:
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a non transitory computer readable storage medium storing program instructions for; capturing infra-red light reflected from a plurality of seats in the passenger compartment, the infra-red light is captured using an image sensor having wide angle lens and physically mounted on the passenger compartment such that a wide field of view of the wide angle lens covers at least part of each of a plurality of seats in the passenger compartment; and detecting at least one human parameter in each of the plurality of seats by an analysis of outputs of the image sensor.
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Specification