Systems and methods for near-crash determination
First Claim
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1. A method for near-collision analysis, comprising, at an on-board system mounted to a vehicle:
- recording an external video with an external-facing camera of the on-board system;
determining obstacle parameters for an obstacle detected in the external video;
generating a spatial risk map for the vehicle based on the obstacle parameters, the spatial risk map comprising a risk score for each of a plurality of spatial positions relative to the vehicle wherein the risk score is determined using;
a parametric model comprising a set of Gaussian models;
the obstacle parameters; and
driver parameters extracted from an internal video recorded by an internal-facing camera of the on-board system;
detecting a near-collision event when a risk score within the spatial risk map exceeds a risk threshold;
labeling the near-collision event with a label determined based on the driver parameters;
determining a cause of the near-collision event, comprising identifying an independent parameter of the parametric model with a highest weighted value; and
transmitting the label to a remote computing system.
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Abstract
A method for near-collision detection, including determining a risk map for a vehicle and automatically detecting a near-collision event with an object based on vehicle behavior relative to the risk map.
122 Citations
16 Claims
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1. A method for near-collision analysis, comprising, at an on-board system mounted to a vehicle:
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recording an external video with an external-facing camera of the on-board system; determining obstacle parameters for an obstacle detected in the external video; generating a spatial risk map for the vehicle based on the obstacle parameters, the spatial risk map comprising a risk score for each of a plurality of spatial positions relative to the vehicle wherein the risk score is determined using; a parametric model comprising a set of Gaussian models; the obstacle parameters; and driver parameters extracted from an internal video recorded by an internal-facing camera of the on-board system; detecting a near-collision event when a risk score within the spatial risk map exceeds a risk threshold; labeling the near-collision event with a label determined based on the driver parameters; determining a cause of the near-collision event, comprising identifying an independent parameter of the parametric model with a highest weighted value; and transmitting the label to a remote computing system. - View Dependent Claims (2, 3, 4, 5)
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6. A method for near-collision analysis, comprising:
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sampling an external image with an external-facing camera mounted to a vehicle; determining obstacle parameters for an obstacle detected from the external image; generating a spatial risk map for the vehicle based on the obstacle parameters, the spatial risk map comprising a risk score for each of a set of spatial positions relative to the vehicle, wherein the risk score is determined using; a parametric model comprising a set of Gaussian models; the obstacle parameters; and driver parameters associated with a driver of the vehicle; detecting a near-collision event when a risk score within the spatial risk map exceeds a risk threshold; labeling the near-collision event with a label determined based on the driver parameters; transmitting the label to a remote computing system; and determining a cause of the near-collision event, comprising identifying an independent parameter of the parametric model with a highest weighted value. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification