METHOD AND SYSTEM FOR DETECTING OPERATOR ALERTNESS
First Claim
1. A method for detecting operator alertness of an operator of a vehicle or machine, the method comprising:
- collecting reference position data associated with an operator when the operator is in an alert state;
determining observed position data of one or more reference points of a three dimensional representation of the operator, or a portion thereof, during a time interval;
collecting reference motion data associated with an operator when the operator is in an alert state;
determining observed motion data of one or more points of a three dimensional representation of the operator during a time interval; and
sending an alert signal to alert the operator if a detected angular shift of one or more points of the representation exceed at least one of a displacement threshold and a motion threshold.
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Abstract
A method and system for detecting operator alertness of an operator of a vehicle or machine comprises an image collection system. The image collection system collects reference position data and reference motion data associated with an operator, or a portion thereof, when the operator is in an alert state. An image, processor determines observed position data and observed motion data of one or more points of a three dimensional representation of the operator during a time interval. An analyzer sends an alert signal to alert the operator if a detected angular shift of one or more reference points of the representation exceeds at feast one of a displacement threshold and a motion threshold.
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Citations
14 Claims
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1. A method for detecting operator alertness of an operator of a vehicle or machine, the method comprising:
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collecting reference position data associated with an operator when the operator is in an alert state; determining observed position data of one or more reference points of a three dimensional representation of the operator, or a portion thereof, during a time interval; collecting reference motion data associated with an operator when the operator is in an alert state; determining observed motion data of one or more points of a three dimensional representation of the operator during a time interval; and sending an alert signal to alert the operator if a detected angular shift of one or more points of the representation exceed at least one of a displacement threshold and a motion threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification