Patents by Inventor Christopher Brian Roland

Christopher Brian Roland has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230347882
    Abstract: System, methods, and computer-readable media for configuring an autonomous vehicle based on safety scores determined by a safety score prediction algorithm, and an associated training technique, to output a safety score for a predicted and/or actual path. The safety score is a value indicating a likelihood of risky events per distance. The safety score prediction algorithm is trained with historical human driving datasets associated with paths (predicted or actual) taken by one or more AVs during human driving.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 2, 2023
    Inventors: Feng Tian, Seunghyun Min, Laura Athena Freeman, Lei Huang, Daniel Tien, Geoffrey Louis Chi-Johnston, Christopher Brian Roland
  • Publication number: 20230339519
    Abstract: The present technology is directed to training and using a machine learning model to predict a likelihood of a counterfactual safety critical event in autonomous vehicle (AV) driving in a projected scenario occurring after a human takes over control of an AV. An AV management system can identify driving data collected from periods around an occurrence of a human take over event where a human takes over control of an AV. The AV management system can project a scenario that would have resulted if the human did not take over control of the AV based on the driving data and output a counterfactual safety score for the projected scenario. The counterfactual safety score can indicate a probability of a counterfactual collision between the AV and the at least one object in the projected scenario.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 26, 2023
    Inventors: Geoffrey Louis Chi-Johnston, Laura Athena Freeman, Christopher Brian Roland, Daniel Tien, Feng Tian, Seunghyun Min, Lei Huang, Diego Plascencia-Vega, Ou Jin
  • Publication number: 20230339459
    Abstract: The present technology is directed to training and the use of a machine learning model to measure the safety of an autonomous vehicle (AV) driving in simulation. An AV management system can run a simulation of an AV autonomously piloting itself and collect simulation driving data. Further, the AV management system can parse the simulation driving data into kinematic and semantic environmental features and output a simulation safety score of the simulation based on the kinematic and semantic environmental features. The simulation safety score indicates a probability of a safety critical event such as a collision or a near-miss between the AV and the at least one simulated object in the simulation.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 26, 2023
    Inventors: Geoffrey Louis Chi-Johnston, Laura Athena Freeman, Christopher Brian Roland, Daniel Tien, Feng Tian, Seunghyun Min, Lei Huang, Diego Plascencia-Vega
  • Publication number: 20230339502
    Abstract: The present technology is directed to training and the use of a machine learning model to measure the safety of an autonomous vehicle (AV) driving. An AV management system can identify driving data including sensor data from an AV that is descriptive of an environment around the AV, a path of the AV, kinematic data of the AV, a path of at least one object in the environment, and in-memory data pertaining to data output by one or more algorithms in an autonomous driving stack. As follows, the AV management system can output a safety score for the path of the AV indicating a probability of a collision between the AV and the at least one object.
    Type: Application
    Filed: April 20, 2022
    Publication date: October 26, 2023
    Inventors: Geoffrey Louis Chi-Johnston, Laura Athena Freeman, Christopher Brian Roland, Daniel Tien, Feng Tian, Seunghyun Min, Lei Huang, Diego Plascencia-Vega, Ou Jin
  • Publication number: 20210364305
    Abstract: A map database stores data describing a set of connected roadways, each having one or more lanes. A navigation system selects a route for an autonomous vehicle (AV) by identifying a set of candidate lanes for routing the AV in the map database and retrieving at least one parameter of each candidate lane from the map database. The navigation system determines a performance metric for each of the candidate lanes, the performance metric for a given candidate lane based on the retrieved at least one parameter of the given candidate lane. The navigation system selects a candidate lane for routing the AV based at least in part on the determined performance metrics.
    Type: Application
    Filed: May 19, 2020
    Publication date: November 25, 2021
    Applicant: GM Cruise Holdings LLC
    Inventors: Sarah Rizk, Zachary Wright Garcia, Chen Xie, John Habeb Khawam, Varun Bharadwaj, Christopher Brian Roland, Riccardo Pavesi, Anmol Garg, Anusha Sridhar Rao, Charles Bruce Matlack, Michael Rusignola