Aspects of the disclosure relate to detecting and responding to objects in a vehicle's environment. For example, an object may be identified in a vehicle's environment, the object having a heading and location. A set of possible actions for the object may be generated using map information describin
Aspects of the disclosure relate to detecting and responding to objects in a vehicle's environment. For example, an object may be identified in a vehicle's environment, the object having a heading and location. A set of possible actions for the object may be generated using map information describing the vehicle's environment and the heading and location of the object. A set of possible future trajectories of the object may be generated based on the set of possible actions. A likelihood value of each trajectory of the set of possible future trajectories may be determined based on contextual information including a status of the detected object. A final future trajectory is determined based on the determined likelihood value for each trajectory of the set of possible future trajectories. The vehicle is then maneuvered in order to avoid the final future trajectory and the object.
대표청구항▼
1. A computer-implemented method comprising: receiving, by one or more computing devices, sensor data identifying a first object and a second object in a vehicle's environment, the first and second objects being different;generating, by the one or more computing devices, a set of possible future tra
1. A computer-implemented method comprising: receiving, by one or more computing devices, sensor data identifying a first object and a second object in a vehicle's environment, the first and second objects being different;generating, by the one or more computing devices, a set of possible future trajectories of the first object based using map information describing the vehicle's environment and the sensor data;receiving, by the one or more computing devices, contextual information for the second object;determining, by the one or more computing devices, a likelihood value of each trajectory of the set of possible future trajectories based on the contextual information;determining, by the one or more computing devices, a final future trajectory based on the determined likelihood value for each trajectory of the set of possible future trajectories; andmaneuvering, by the one or more computing devices, the vehicle in order to avoid the final future trajectory and the first object. 2. The method of claim 1, wherein the contextual information includes a type of the second object. 3. The method of claim 1, wherein the contextual information includes a status of a turn signal of the second object. 4. The method of claim 1, wherein the contextual information includes a status of a brake light of the second object. 5. The method of claim 1, wherein the contextual information includes a size of the second object. 6. The method of claim 1, wherein the contextual information includes a shape of the second object. 7. The method of claim 1, wherein the contextual information includes a speed of the second object. 8. The method of claim 1, wherein the contextual information includes a heading of the second object. 9. The method of claim 1, wherein determining the final future trajectory includes: comparing the likelihood value for each trajectory of the set of possible future trajectories to a threshold value; anddiscarding a trajectory from the set of trajectories when the likelihood value of that trajectory does not meet the threshold value, wherein the likelihood value of the discarded trajectory is not used to determine the final future trajectory. 10. The method of claim 9, wherein determining the final future trajectory includes: comparing the likelihood value for each trajectory of the set of possible future trajectories to a threshold value; anddiscarding a trajectory from the set of trajectories when the likelihood value of that trajectory does not meet the threshold value, wherein the likelihood value of the discarded trajectory is not used to determine the final future trajectory. 11. The method of claim 9, wherein determining the final future trajectory includes: when none of the trajectories of the set of possible future trajectories meet the threshold value, identifying a plurality of waypoints for each trajectory in the set of trajectories, wherein a waypoint includes at least one of a position, a velocity, and a timestamp;determining a trajectory of the vehicle, wherein the trajectory of the vehicle includes a plurality of waypoints; andcomparing, at a same timestamp, each of the waypoints to a waypoint associated with a trajectory of the vehicle in order to determine the final future trajectory. 12. The method of claim 9, wherein determining the final future trajectory includes: identifying a situational relationship between the object and the vehicle;comparing the likelihood value of the trajectories remaining in the set of possible future trajectories to a second threshold different from the first threshold value, anddiscarding a second trajectory from the trajectories remaining in the set of possible future trajectories when the likelihood value of that second trajectory does not meet the second threshold value, wherein the likelihood value of the discarded second trajectory is not used to determine the final future trajectory. 13. The method of claim 12, wherein after discarding the second trajectory, the remaining trajectories of the set of possible future trajectories are each identified as final future trajectories, such that maneuvering the vehicle includes avoiding each of the remaining trajectories of the set of possible future trajectories. 14. The method of claim 1, wherein determining the final future trajectory includes selecting a trajectory of the set of possible future trajectories with a highest likelihood value as the final future trajectory. 15. A system comprising one or more computing devices configured to: receive sensor data identifying a first object and a second object in a vehicle's environment, the first and second objects being different objects;generate a set of possible future trajectories of the first object based using map information describing the vehicle's environment and the sensor data;receive contextual information for the second object;determine a likelihood value of each trajectory of the set of possible future trajectories based on the contextual information;determine a final future trajectory based on the determined likelihood value for each trajectory of the set of possible future trajectories; andmaneuver the vehicle in order to avoid the final future trajectory and the first object. 16. The system of claim 15, wherein the contextual information includes a type of the second object. 17. The system of claim 15, wherein the contextual information includes a status of a turn signal of the second object. 18. The system of claim 15, wherein the contextual information includes a status of a brake light of the second object. 19. The system of claim 15, further comprising the vehicle. 20. A non-transitory computer-readable medium on which instructions are stored, the instructions, when executed by one or more processors cause the one or more processors to perform a method, the method comprising: receiving sensor data identifying a first object and a second object in a vehicle's environment, the first and second objects being different;generating a set of possible future trajectories of the first object based using map information describing the vehicle's environment and the sensor data;receiving contextual information for the second object;determining a likelihood value of each trajectory of the set of possible future trajectories based on the contextual information;determining a final future trajectory based on the determined likelihood value for each trajectory of the set of possible future trajectories; andmaneuvering the vehicle in order to avoid the final future trajectory and the first object.
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