Patents Assigned to TUSIMPLE
  • Patent number: 10768626
    Abstract: A system and method for providing multiple agents for decision making, trajectory planning, and control for autonomous vehicles are disclosed. A particular embodiment includes: partitioning a multiple agent autonomous vehicle control module for an autonomous vehicle into a plurality of subsystem agents, the plurality of subsystem agents including a deep computing vehicle control subsystem and a fast response vehicle control subsystem; receiving a task request from a vehicle subsystem; dispatching the task request to the deep computing vehicle control subsystem or the fast response vehicle control subsystem based on content of the task request or a context of the autonomous vehicle; causing execution of the deep computing vehicle control subsystem or the fast response vehicle control subsystem by use of a data processor to produce a vehicle control output; and providing the vehicle control output to a vehicle control subsystem of the autonomous vehicle.
    Type: Grant
    Filed: September 30, 2017
    Date of Patent: September 8, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Yufei Zhao, Wutu Lin, Zijie Xuan, Liu Liu, Kai-Chieh Ma
  • Patent number: 10762673
    Abstract: A method of localization for a non-transitory computer readable storage medium storing one or more programs is disclosed. The one or more programs comprise instructions, which when executed by a computing device, cause the computing device to perform by one or more autonomous vehicle driving modules execution of processing of images from a camera and data from a LiDAR using the following steps comprising: voxelizing a 3D submap and a global map into voxels; estimating distribution of 3D points within the voxels, using a probabilistic model; extracting features from the 3D submap and the global map; and classifying the extracted features into classes.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: September 1, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Yi Luo, Yi Wang, Ke Xu
  • Patent number: 10762635
    Abstract: A system and method for actively selecting and labeling images for semantic segmentation are disclosed. A particular embodiment includes: receiving image data from an image generating device; performing semantic segmentation or other object detection on the received image data to identify and label objects in the image data and produce semantic label image data; determining the quality of the semantic label image data based on prediction probabilities associated with regions or portions of the image; and identifying a region or portion of the image for manual labeling if an associated prediction probability is below a pre-determined threshold.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 1, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Zhipeng Yan, Zehua Huang, Pengfei Chen, Panqu Wang
  • Publication number: 20200271473
    Abstract: Various embodiments of the present disclosure provide a system and method for lane marking localization that may be utilized by autonomous or semi-autonomous vehicles traveling within the lane. In an embodiment, the system comprises a locating device adapted to determine the vehicle's geographic location; a database; a region map; a response map; a camera; and a computer connected to the locating device, database, and camera, wherein the computer is adapted to: receive the region map, wherein the region map corresponds to a specified geographic location; generate the response map by receiving information from the camera, the information relating to the environment in which the vehicle is located; identifying lane markers observed by the camera; and plotting identified lane markers on the response map; compare the response map to the region map; and generate a predicted vehicle location based on the comparison of the response map and the region map.
    Type: Application
    Filed: February 14, 2018
    Publication date: August 27, 2020
    Applicant: TuSimple, Inc.
    Inventors: Mingdong Wang, Chenzhe Qian, Xue Mei
  • Publication number: 20200271453
    Abstract: Various embodiments of the present disclosure provide a system and method for iterative lane marking localization that may be utilized by autonomous or semi-autonomous vehicles traveling within the lane. In an embodiment, the system comprises a locating device adapted to determine the vehicle's geographic location; a database; a region map; a response map; a plurality of cameras; and a computer connected to the locating device, database, and cameras, wherein the computer is adapted to receive the region map, wherein the region map corresponds to a specified geographic location; generate the response map by receiving information from the camera, the information relating to the environment in which the vehicle is located; identifying lane markers observed by the camera; and plotting identified lane markers on the response map; compare the response map to the region map; and iteratively generate a predicted vehicle location based on the comparison of the response map and the region map.
    Type: Application
    Filed: November 8, 2018
    Publication date: August 27, 2020
    Applicant: TuSimple, Inc.
    Inventors: Mingdong Wang, Chenzhe Qian, Xue Mei
  • Patent number: 10752246
    Abstract: A system and method for adaptive cruise control with proximate vehicle detection are disclosed. The example embodiment can be configured for: receiving input object data from a subsystem of a host vehicle, the input object data including distance data and velocity data relative to detected target vehicles; detecting the presence of any target vehicles within a sensitive zone in front of the host vehicle, to the left of the host vehicle, and to the right of the host vehicle; determining a relative speed and a separation distance between each of the detected target vehicles relative to the host vehicle; and generating a velocity command to adjust a speed of the host vehicle based on the relative speeds and separation distances between the host vehicle and the detected target vehicles to maintain a safe separation between the host vehicle and the target vehicles.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 25, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Wutu Lin, Liu Liu, Zijie Xuan, Xing Sun, Kai-Chieh Ma, Yufei Zhao
  • Patent number: 10737695
    Abstract: A system and method for adaptive cruise control for low speed following are disclosed. A particular embodiment includes: receiving input object data from a subsystem of an autonomous vehicle, the input object data including distance data and velocity data relative to a lead vehicle; generating a weighted distance differential corresponding to a weighted difference between an actual distance between the autonomous vehicle and the lead vehicle and a desired distance between the autonomous vehicle and the lead vehicle; generating a weighted velocity differential corresponding to a weighted difference between a velocity of the autonomous vehicle and a velocity of the lead vehicle; combining the weighted distance differential and the weighted velocity differential with the velocity of the lead vehicle to produce a velocity command for the autonomous vehicle; adjusting the velocity command using a dynamic gain; and controlling the autonomous vehicle to conform to the adjusted velocity command.
    Type: Grant
    Filed: July 1, 2017
    Date of Patent: August 11, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Liu Liu, Wutu Lin
  • Patent number: 10739775
    Abstract: A system and method for real world autonomous vehicle trajectory simulation are disclosed.
    Type: Grant
    Filed: October 28, 2017
    Date of Patent: August 11, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Wutu Lin, Liu Liu, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Patent number: 10733465
    Abstract: A system and method for taillight signal recognition using a convolutional neural network is disclosed. An example embodiment includes: receiving a plurality of image frames from one or more image-generating devices of an autonomous vehicle; using a single-frame taillight illumination status annotation dataset and a single-frame taillight mask dataset to recognize a taillight illumination status of a proximate vehicle identified in an image frame of the plurality of image frames, the single-frame taillight illumination status annotation dataset including one or more taillight illumination status conditions of a right or left vehicle taillight signal, the single-frame taillight mask dataset including annotations to isolate a taillight region of a vehicle; and using a multi-frame taillight illumination status dataset to recognize a taillight illumination status of the proximate vehicle in multiple image frames of the plurality of image frames, the multiple image frames being in temporal succession.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: August 4, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Panqu Wang, Tian Li
  • Patent number: 10710592
    Abstract: A system and method for path planning of autonomous vehicles based on gradient are disclosed. A particular embodiment includes: generating and scoring a first suggested trajectory for an autonomous vehicle; generating a trajectory gradient based on the first suggested trajectory; generating and scoring a second suggested trajectory for the autonomous vehicle, the second suggested trajectory being based on the first suggested trajectory and a human driving model; and outputting the second suggested trajectory if the score corresponding to the second suggested trajectory is within a score differential threshold relative to the score corresponding to the first suggested trajectory.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: July 14, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Wutu Lin, Xiaodi Hou
  • Patent number: 10685244
    Abstract: A system and method for online real-time multi-object tracking is disclosed. A particular embodiment can be configured to: receive image frame data from at least one camera associated with an autonomous vehicle; generate similarity data corresponding to a similarity between object data in a previous image frame compared with object detection results from a current image frame; use the similarity data to generate data association results corresponding to a best matching between the object data in the previous image frame and the object detection results from the current image frame; cause state transitions in finite state machines for each object according to the data association results; and provide as an output object tracking output data corresponding to the states of the finite state machines for each object.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: June 16, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Lingting Ge, Pengfei Chen, Panqu Wang
  • Patent number: 10685239
    Abstract: A system and method for lateral vehicle detection is disclosed. A particular embodiment can be configured to: receive lateral image data from at least one laterally-facing camera associated with an autonomous vehicle; warp the lateral image data based on a line parallel to a side of the autonomous vehicle; perform object extraction on the warped lateral image data to identify extracted objects in the warped lateral image data; and apply bounding boxes around the extracted objects.
    Type: Grant
    Filed: March 18, 2018
    Date of Patent: June 16, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Zhipeng Yan, Lingting Ge, Pengfei Chen, Panqu Wang
  • Publication number: 20200184232
    Abstract: A method of localization for a non-transitory computer readable storage medium storing one or more programs is disclosed. The one or more programs comprise instructions, which when executed by a computing device, cause the computing device to perform by one or more autonomous vehicle driving modules execution of processing of images from a camera and data from a LiDAR using the following steps comprising: computing, in response to features from a 3D submap and features from a global map, matching score between corresponding features of a same class between the 3D submap and the global map; selecting, for each feature in the 3D submap, a corresponding feature with the highest matching score from the global map; determining a feature correspondence to be invalid if a distance between corresponding features is larger than a threshold; and removing the invalid feature correspondence.
    Type: Application
    Filed: February 14, 2020
    Publication date: June 11, 2020
    Applicant: TUSIMPLE, INC.
    Inventors: Yi Luo, Yi Wang, Ke Xu
  • Patent number: 10678234
    Abstract: A system and method for autonomous vehicle control to minimize energy cost are disclosed. A particular embodiment includes: generating a plurality of potential routings and related vehicle motion control operations for an autonomous vehicle to cause the autonomous vehicle to transit from a current position to a desired destination; generating predicted energy consumption rates for each of the potential routings and related vehicle motion control operations using a vehicle energy consumption model; scoring each of the plurality of potential routings and related vehicle motion control operations based on the corresponding predicted energy consumption rates; selecting one of the plurality of potential routings and related vehicle motion control operations having a score within an acceptable range; and outputting a vehicle motion control output representing the selected one of the plurality of potential routings and related vehicle motion control operations.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: June 9, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Xing Sun, Wutu Lin, Liu Liu, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Patent number: 10679074
    Abstract: A system and method for semantic segmentation using hybrid dilated convolution (HDC) are disclosed. A particular embodiment includes: receiving an input image; producing a feature map from the input image; performing a convolution operation on the feature map and producing multiple convolution layers; grouping the multiple convolution layers into a plurality of groups; applying different dilation rates for different convolution layers in a single group of the plurality of groups; and applying a same dilation rate setting across all groups of the plurality of groups.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: June 9, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Zehua Huang, Pengfei Chen, Panqu Wang
  • Patent number: 10671873
    Abstract: A system and method for vehicle wheel detection is disclosed. A particular embodiment can be configured to: receive training image data from a training image data collection system; obtain ground truth data corresponding to the training image data; perform a training phase to train one or more classifiers for processing images of the training image data to detect vehicle wheel objects in the images of the training image data; receive operational image data from an image data collection system associated with an autonomous vehicle; and perform an operational phase including applying the trained one or more classifiers to extract vehicle wheel objects from the operational image data and produce vehicle wheel object data.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: June 2, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Panqu Wang, Pengfei Chen
  • Patent number: 10671083
    Abstract: A system for visual odometry is disclosed. The system includes: an internet server, comprising: an I/O port, configured to transmit and receive electrical signals to and from a client device; a memory; one or more processing units; and one or more programs stored in the memory and configured for execution by the one or more processing units, the one or more programs including instructions for: extracting representative features from a pair input images in a first convolution neural network (CNN) in a visual odometry model; merging, in a first merge module, outputs from the first CNN; decreasing feature map size in a second CNN; generating a first flow output for each layer in a first deconvolution neural network (DNN); merging, in a second merge module, outputs from the second CNN and the first DNN; generating a second flow output for each layer in a second DNN; and reducing accumulated errors in a recurrent neural network (RNN).
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 2, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Wentao Zhu, Yi Wang, Yi Luo
  • Patent number: 10666730
    Abstract: Various embodiments for implementing a system and method for managing and querying semi-structured, heterogeneously-typed sensor data in a distributed environment are disclosed. Example embodiments include: enabling data communications between a plurality of compute nodes and a plurality of physical data storage devices via an application programming interface (API) layer, a cache management layer, a server layer, and a storage layer; and receiving a data request from at least one of the plurality of compute nodes at the API layer, the data request including an identification of a topic of a dataset, the topic including a metadata file, a data file, and an index file, the index file including at least one pointer into the data file.
    Type: Grant
    Filed: October 28, 2017
    Date of Patent: May 26, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Dangyi Liu, Anthony Hitchcock Thomas, Kai Zhou, Yidi Zhang, Ruiliang Zhang
  • Patent number: 10656644
    Abstract: A system and method for using human driving patterns to manage speed control for autonomous vehicles are disclosed. A particular embodiment includes: generating data corresponding to desired human driving behaviors; training a human driving model module using a reinforcement learning process and the desired human driving behaviors; receiving a proposed vehicle speed control command; determining if the proposed vehicle speed control command conforms to the desired human driving behaviors by use of the human driving model module; and validating or modifying the proposed vehicle speed control command based on the determination.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: May 19, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Wutu Lin, Liu Liu, Xing Sun, Kai-Chieh Ma, Zijie Xuan, Yufei Zhao
  • Patent number: D895711
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: September 8, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Xin Hou, Jie Sun