Patents by Inventor Jiming Mao

Jiming Mao 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).

  • Patent number: 11887343
    Abstract: Embodiments of the present disclosure provide a method and an apparatus for generating a simulation scene. The method includes: acquiring scene parameters of a benchmark scene, where a dimensionality of the scene parameters of the benchmark scene is M; inputting the scene parameters of the benchmark scene into an encoder that is trained, and acquiring encoding parameters according to an output result of the encoder, where a dimensionality of the encoding parameters is N, and N<M; adjusting the encoding parameters to obtain adjusted encoding parameters, and inputting respectively the adjusted encoding parameters into a decoder that is trained; and generating a simulation scene according to the scene parameters of the reconstructed scene that are output by the decoder. According to the method, generating massive simulation scenes similar to the benchmark scene based on the benchmark scene can be achieved, which meets the diversity requirements for the simulation scenes.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: January 30, 2024
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Junfei Zhang, Chen Yang, Qingrui Sun, Dun Luo, Jiming Mao, Fangfang Dong
  • Patent number: 11840259
    Abstract: A method for simulating an obstacle in an unmanned simulation scene includes: for obstacle information in a three-dimensional scene map, determining Gaussian distribution information of obstacle position detected by using a perception algorithm to be tested based on actual perception performance of the perception algorithm; adjusting each position of the simulated obstacle in the initial motion trajectory sequence, such that a position deviation between each adjusted position point in the target motion trajectory sequence and the corresponding position point in the initial motion trajectory sequence follows a Gaussian distribution; and adding the target motion trajectory sequence of the simulated obstacle to the three-dimensional scene map.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: December 12, 2023
    Assignee: APOLLO INTELLIGENT DRIVING TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Ning Yu, Fan Yang, Jiming Mao
  • Patent number: 11783590
    Abstract: Embodiments of a method, apparatus, device and computer readable storage medium for classifying driving scenario data includes: acquiring a first driving scenario data set from a crowdsourcing platform, driving scenario data in the first driving scenario data set having been classified; generating a driving scenario classification model at least based on the first driving scenario data set, for classifying driving scenario data collected by a collection entity; acquiring a rule for classifying the driving scenario data, the rule is generated based on a result of classifying the driving scenario data collected by the collection entity using the driving scenario classification model; updating the driving scenario classification model at least based on the rule.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: October 10, 2023
    Assignee: APOLLO INTELLIGENT DRIVING TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Junfei Zhang, Chen Yang, Qingrui Sun, Jiming Mao, Fangfang Dong
  • Publication number: 20210390741
    Abstract: Embodiments of the present disclosure provide a method and an apparatus for generating a simulation scene. The method includes: acquiring scene parameters of a benchmark scene, where a dimensionality of the scene parameters of the benchmark scene is M; inputting the scene parameters of the benchmark scene into an encoder that is trained, and acquiring encoding parameters according to an output result of the encoder, where a dimensionality of the encoding parameters is N, and N<M; adjusting the encoding parameters to obtain adjusted encoding parameters, and inputting respectively the adjusted encoding parameters into a decoder that is trained; and generating a simulation scene according to the scene parameters of the reconstructed scene that are output by the decoder. According to the method, generating massive simulation scenes similar to the benchmark scene based on the benchmark scene can be achieved, which meets the diversity requirements for the simulation scenes.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Junfei ZHANG, Chen YANG, Qingrui SUN, Dun LUO, Jiming MAO, Fangfang DONG
  • Publication number: 20210365698
    Abstract: Embodiments of the present disclosure generally relate to a method for controlling a simulation vehicle, an electronic device, and a computer readable storage medium. According to the method, a simulation vehicle determines a first region corresponding to a first simulation position where the simulation vehicle is located at a first time point; obtains first environment information about the first region and second environment information about a second region adjacent to the first region; sends the first environment information and the second environment information to a control device of the simulation vehicle; and determines a first action performed by the simulation vehicle at a second time point after the first time point based on a control signal in response to receiving the control signal from the control device, the control signal being determined by the control device based on the first environment information and the second environment information.
    Type: Application
    Filed: December 19, 2020
    Publication date: November 25, 2021
    Inventors: Jie ZHOU, Ming ZHAO, Liancheng ZHANG, Hao LI, Hang WU, Qiang GUO, Sunjie ZHOU, Fangfang DONG, Jiming MAO, Bo LI
  • Publication number: 20210354727
    Abstract: The present disclosure discloses a method for simulating an obstacle in an unmanned simulation scene, an electronic device, and a storage medium, and relates to a field of unmanned driving technologies. The method includes: for obstacle information in a three-dimensional scene map, determining Gaussian distribution information of obstacle position detected by using a perception algorithm to be tested based on actual perception performance of the perception algorithm; adjusting each position of the simulated obstacle in the initial motion trajectory sequence, such that a position deviation between each adjusted position point in the target motion trajectory sequence and the corresponding position point in the initial motion trajectory sequence follows a Gaussian distribution; and adding the target motion trajectory sequence of the simulated obstacle to the three-dimensional scene map.
    Type: Application
    Filed: December 11, 2020
    Publication date: November 18, 2021
    Inventors: Ning YU, Fan YANG, Jiming MAO
  • Patent number: 11148674
    Abstract: Provided are a method and an apparatus for acquiring a control amount for a performance test of an unmanned vehicle, including: acquiring coordinates of y key points on a trajectory of a simulated obstacle vehicle and speeds at the y key points, where y?2; acquiring trajectory equations of the obstacle vehicle between every two adjacent key points according to the coordinates of the y key points, where the trajectory equation is an nth degree polynomial equation, n?2; acquiring accelerations of the obstacle vehicle between every two adjacent key points according to speeds at the y key points and a trajectory curve corresponding to the trajectory equation; for each running duration, according to the accelerations, acquiring a dynamic attribute and a coordinate when the obstacle vehicle has run for the running duration according to trajectories corresponding to the trajectory equations.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: October 19, 2021
    Assignee: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Chen Yang, Dun Luo, Jiming Mao, Fangfang Dong
  • Publication number: 20210293549
    Abstract: The present application discloses to a method for detecting map quality, an electronic device and a storage medium, and relates to the automatic driving field. The implementation solution is acquiring a map to be detected; acquiring traffic indication information marked on the map; acquiring actual road test data of each detection area on the map; acquiring a vehicle driving behavior of each detection area according to the actual road test data of each detection area; and generating a detection result of the map according to the traffic indication information and the vehicle driving behavior corresponding to each detection area. Thus, automatic detection of the map can be realized by the traffic indication information marked on the map and the vehicle driving behavior corresponding to each detection area, and the detection efficiency and the detection accuracy of high definition map can be improved.
    Type: Application
    Filed: May 27, 2021
    Publication date: September 23, 2021
    Inventors: Dongyi ZHOU, Jing Wang, Fangfang Dong, Jiming Mao
  • Patent number: 11127168
    Abstract: Embodiments of the present disclosure provide a method and an apparatus for generating a simulation scene. The method includes: acquiring scene parameters of a benchmark scene, where a dimensionality of the scene parameters of the benchmark scene is M; inputting the scene parameters of the benchmark scene into an encoder that is trained, and acquiring encoding parameters according to an output result of the encoder, where a dimensionality of the encoding parameters is N, and N<M; adjusting the encoding parameters to obtain adjusted encoding parameters, and inputting respectively the adjusted encoding parameters into a decoder that is trained; and generating a simulation scene according to the scene parameters of the reconstructed scene that are output by the decoder. According to the method, generating massive simulation scenes similar to the benchmark scene based on the benchmark scene can be achieved, which meets the diversity requirements for the simulation scenes.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: September 21, 2021
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Junfei Zhang, Chen Yang, Qingrui Sun, Dun Luo, Jiming Mao, Fangfang Dong
  • Publication number: 20200082573
    Abstract: Embodiments of the present disclosure provide a method and an apparatus for generating a simulation scene. The method includes: acquiring scene parameters of a benchmark scene, where a dimensionality of the scene parameters of the benchmark scene is M; inputting the scene parameters of the benchmark scene into an encoder that is trained, and acquiring encoding parameters according to an output result of the encoder, where a dimensionality of the encoding parameters is N, and N<M; adjusting the encoding parameters to obtain adjusted encoding parameters, and inputting respectively the adjusted encoding parameters into a decoder that is trained; and generating a simulation scene according to the scene parameters of the reconstructed scene that are output by the decoder. According to the method, generating massive simulation scenes similar to the benchmark scene based on the benchmark scene can be achieved, which meets the diversity requirements for the simulation scenes.
    Type: Application
    Filed: July 16, 2019
    Publication date: March 12, 2020
    Applicant: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Junfei ZHANG, Chen YANG, Qingrui SUN, Dun LUO, Jiming MAO, Fangfang DONG
  • Publication number: 20190389474
    Abstract: Provided are a method and an apparatus for acquiring a control amount for a performance test of an unmanned vehicle, including: acquiring coordinates of m key points on a trajectory of a simulated obstacle vehicle and speeds at the m key points, where m?2; acquiring trajectory equations of the obstacle vehicle between every two adjacent key points according to the coordinates of the m key points, where the trajectory equation is an nth degree polynomial equation, n?2; acquiring accelerations of the obstacle vehicle between every two adjacent key points according to speeds at the m key points and a trajectory curve corresponding to the trajectory equation; for each running duration, according to the accelerations, acquiring a dynamic attribute and a coordinate when the obstacle vehicle has run for the running duration according to trajectories corresponding to the trajectory equations.
    Type: Application
    Filed: February 18, 2019
    Publication date: December 26, 2019
    Inventors: CHEN YANG, DUN LUO, JIMING MAO, FANGFANG DONG
  • Publication number: 20190378035
    Abstract: Embodiments of a method, apparatus, device and computer readable storage medium for classifying driving scenario data includes: acquiring a first driving scenario data set from a crowdsourcing platform, driving scenario data in the first driving scenario data set having been classified; generating a driving scenario classification model at least based on the first driving scenario data set, for classifying driving scenario data collected by a collection entity; acquiring a rule for classifying the driving scenario data, the rule is generated based on a result of classifying the driving scenario data collected by the collection entity using the driving scenario classification model; updating the driving scenario classification model at least based on the rule.
    Type: Application
    Filed: March 14, 2019
    Publication date: December 12, 2019
    Inventors: Junfei ZHANG, Chen YANG, Qingrui SUN, Jiming MAO, Fangfang DONG
  • Publication number: 20180261019
    Abstract: The present disclosure provides a method and apparatus for transmitting data of a self-driving vehicle, a device and a storage medium, wherein the method comprises: distinguishing data generated during travel of the self-driving vehicle into real-time data and non-real-time data; transmitting the real-time data into a server through a wireless network in real time; storing the non-real-time data into a vehicle-mounted storage device so that after the self-driving vehicle ends travel, the data stored in the vehicle-mounted storage device are transmitted into the server in a predetermined manner. The solution of the present application may be applied to ensure data integrity.
    Type: Application
    Filed: March 7, 2018
    Publication date: September 13, 2018
    Applicant: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
    Inventors: Hanlin Yang, Gaifan Li, Chengfa Wang, Jiming Mao, Ning Yu, Heng Zhang