Inferring state of traffic signal and other aspects of a vehicle's environment based on surrogate data
First Claim
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1. A method, comprising:
- obtaining sensor data from one or more sensors observing an environment of a vehicle, wherein the one or more sensors are operationally associated with the vehicle, wherein the vehicle is configured to operate in an autonomous mode, wherein the environment includes a traffic signal that is not observed by the one or more sensors, wherein the sensor data comprises vehicle-related sensor data obtained from the one or more sensors observing at least one other vehicle in the environment, and wherein the vehicle-related sensor data indicates a state of a brake light of the at least one other vehicle;
using an inference system to infer, based on the sensor data, a state of the traffic signal; and
controlling the vehicle in the autonomous mode based on the inferred state of the traffic signal.
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Abstract
A vehicle configured to operate in an autonomous mode can obtain sensor data from one or more sensors observing one or more aspects of an environment of the vehicle. At least one aspect of the environment of the vehicle that is not observed by the one or more sensors could be inferred based on the sensor data. The vehicle could be controlled in the autonomous mode based on the at least one inferred aspect of the environment of the vehicle.
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Citations
15 Claims
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1. A method, comprising:
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obtaining sensor data from one or more sensors observing an environment of a vehicle, wherein the one or more sensors are operationally associated with the vehicle, wherein the vehicle is configured to operate in an autonomous mode, wherein the environment includes a traffic signal that is not observed by the one or more sensors, wherein the sensor data comprises vehicle-related sensor data obtained from the one or more sensors observing at least one other vehicle in the environment, and wherein the vehicle-related sensor data indicates a state of a brake light of the at least one other vehicle; using an inference system to infer, based on the sensor data, a state of the traffic signal; and controlling the vehicle in the autonomous mode based on the inferred state of the traffic signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A vehicle, comprising:
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one or more sensors, wherein the one or more sensors are configured to acquire sensor data, wherein the sensor data relates to an environment of a vehicle observed by the one or more sensors, wherein the vehicle is configured to operate in an autonomous mode, wherein the sensor data comprises vehicle-related sensor data obtained from the one or more sensors observing at least one other vehicle in the environment, and wherein the vehicle-related sensor data indicates a state of a brake light of the at least one other vehicle; an inference system, wherein the inference system is configured to infer, based on the sensor data, a state of a traffic signal that is not observed by the one or more sensors, and wherein the inference is configured to infer the state of the traffic light based at least in part on the state of the brake light of the at least one other vehicle; and a control system, wherein the control system is configured to control the vehicle in the autonomous mode based on the inferred state of the traffic signal. - View Dependent Claims (10, 11, 12)
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13. A non-transitory computer readable medium having stored therein instructions executable by a computer system to cause the computer system to perform functions, the functions comprising:
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obtaining sensor data from one or more sensors observing an environment of a vehicle, wherein the one or more sensors are operationally associated with the vehicle, wherein the vehicle is configured to operate in an autonomous mode, wherein the environment includes a traffic signal that is not observed by the one or more sensors, wherein the sensor data comprises vehicle-related sensor data obtained from the one or more sensors observing at least one other vehicle in the environment, and wherein the vehicle-related sensor data indicates a state of a brake light of the at least one other vehicle; inferring, based on the sensor data, a state of the traffic signal; and controlling the vehicle in the autonomous mode based on the inferred state of the traffic signal. - View Dependent Claims (14, 15)
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Specification