Patents Assigned to TUSIMPLE
-
Patent number: 10586456Abstract: A system and method for determining car to lane distance is provided. In one aspect, the system includes a camera configured to generate an image, a processor, and a computer-readable memory. The processor is configured to receive the image from the camera, generate a wheel segmentation map representative of one or more wheels detected in the image, and generate a lane segmentation map representative of one or more lanes detected in the image. For at least one of the wheels in the wheel segmentation map, the processor is also configured to determine a distance between the wheel and at least one nearby lane in the lane segmentation map. The processor is further configured to determine a distance between a vehicle in the image and the lane based on the distance between the wheel and the lane.Type: GrantFiled: April 27, 2018Date of Patent: March 10, 2020Assignee: TuSimpleInventor: Panqu Wang
-
Patent number: 10558864Abstract: A system and method for image localization based on semantic segmentation are disclosed. A particular embodiment includes: receiving image data from an image generating device mounted on an autonomous vehicle; 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; identifying extraneous objects in the semantic label image data; removing the extraneous objects from the semantic label image data; comparing the semantic label image data to a baseline semantic label map; and determining a vehicle location of the autonomous vehicle based on information in a matching baseline semantic label map.Type: GrantFiled: May 18, 2017Date of Patent: February 11, 2020Assignee: TuSimpleInventors: Zehua Huang, Pengfei Chen, Panqu Wang, Ke Xu
-
Patent number: 10552979Abstract: A method of visual odometry for a non-transitory computer readable storage medium storing one or more programs is disclosed. The one or more programs includes instructions, which when executed by a computing device, causes the computing device to perform the following steps comprising: performing data alignment among sensors including a LiDAR, cameras and an IMU-GPS module; collecting image data and generating point clouds; processing, in the IMU-GPS module, a pair of consecutive images in the image data to recognize pixels corresponding to a same point in the point clouds; and establishing an optical flow for visual odometry.Type: GrantFiled: September 13, 2017Date of Patent: February 4, 2020Assignee: TUSIMPLEInventors: Wentao Zhu, Yi Wang, Yi Luo
-
Patent number: 10552691Abstract: A vehicle position and velocity estimation based on camera and LIDAR data are disclosed.Type: GrantFiled: April 25, 2017Date of Patent: February 4, 2020Assignee: TuSimpleInventors: Chenyang Li, Xiaodi Hou, Siyuan Liu
-
Patent number: 10528851Abstract: A system and method for drivable road surface representation generation using multimodal sensor data are disclosed. A particular embodiment includes: receiving image data from an image generating device mounted on a vehicle and receiving three dimensional (3D) point cloud data from a distance measuring device mounted on the vehicle; projecting the 3D point cloud data onto the 2D image data to produce mapped image and point cloud data; performing post-processing operations on the mapped image and point cloud data; and performing a smoothing operation on the processed mapped image and point cloud data to produce a drivable road surface map or representation.Type: GrantFiled: November 27, 2017Date of Patent: January 7, 2020Assignee: TUSIMPLEInventors: Ligeng Zhu, Panqu Wang, Pengfei Chen
-
Patent number: 10528823Abstract: A system and method for large-scale lane marking detection using multimodal sensor data are disclosed. A particular embodiment includes: receiving image data from an image generating device mounted on a vehicle; receiving point cloud data from a distance and intensity measuring device mounted on the vehicle; fusing the image data and the point cloud data to produce a set of lane marking points in three-dimensional (3D) space that correlate to the image data and the point cloud data; and generating a lane marking map from the set of lane marking points.Type: GrantFiled: November 27, 2017Date of Patent: January 7, 2020Assignee: TUSIMPLEInventors: Dazhou Guo, Yujie Wei, Xue Mei, Xiaodi Hou
-
Patent number: 10493988Abstract: A system and method for adaptive cruise control for defensive driving 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; and controlling the autonomous vehicle to conform to the velocity command.Type: GrantFiled: July 1, 2017Date of Patent: December 3, 2019Assignee: TuSimpleInventors: Liu Liu, Wutu Lin
-
Patent number: 10488521Abstract: A method of generating a ground truth dataset for motion planning is disclosed. The method includes performing data alignment, collecting data in an environment, using sensors, calculating, among other sensors, light detecting and ranging (LiDAR)'s poses, stitching multiple LiDAR scans to form a local map, refining positions in the local map based on a matching algorithm, and projecting 3D points in the local map onto corresponding images.Type: GrantFiled: June 13, 2017Date of Patent: November 26, 2019Assignee: TUSIMPLEInventors: Yi Wang, Bolun Zhang, Yi Luo, Ke Xu
-
Patent number: 10481044Abstract: A system and method for real world autonomous vehicle perception simulation are disclosed. A particular embodiment includes: receiving perception data from a plurality of sensors of an autonomous vehicle; configuring the perception simulation operation based on a comparison of the perception data against ground truth data; generating simulated perception data by simulating errors related to the physical constraints of one or more of the plurality of sensors, and by simulating noise in data provided by a sensor processing module corresponding to one or more of the plurality of sensors; and providing the simulated perception data to a motion planning system for the autonomous vehicle.Type: GrantFiled: May 18, 2017Date of Patent: November 19, 2019Assignee: TuSimpleInventors: Xing Sun, Wutu Lin, Yufei Zhao, Liu Liu
-
Patent number: 10481267Abstract: A method of generating a ground truth dataset for motion planning of a vehicle is disclosed. The method includes: obtaining undistorted LiDAR scans; identifying, for a pair of undistorted LiDAR scans, points belonging to a static object in an environment; aligning the close points based on pose estimates; and transforming a reference scan that is close in time to a target undistorted LiDAR scan so as to align the reference scan with the target undistorted LiDAR scan.Type: GrantFiled: June 13, 2017Date of Patent: November 19, 2019Assignee: TUSIMPLEInventors: Yi Wang, Yi Luo, Wentao Zhu, Panqu Wang
-
Patent number: 10482769Abstract: A method of visual odometry for a non-transitory computer readable storage medium storing one or more programs is disclosed. The one or more programs include instructions, which when executed by a computing device, cause the computing device to perform the following steps comprising: receiving a lane marking, expressed in god's view, associated with a current view; fitting, in a post-processing module, the lane marking in an arc by using a set of parameters; generating a lane template, using the set of parameters, the lane template including features of the lane marking associated with the current view and features of the arc; and feeding the lane template associated with the current view for detection of a next view.Type: GrantFiled: August 22, 2017Date of Patent: November 19, 2019Assignee: TUSIMPLEInventors: Siyuan Liu, Mingdong Wang, Xiaodi Hou
-
Patent number: 10474790Abstract: A system and method for large scale distributed simulation for realistic multiple-agent interactive environments are disclosed. A particular embodiment includes: generating a vicinal scenario for each simulated vehicle in an iteration of a simulation, the vicinal scenarios corresponding to different locations, traffic patterns, or environmental conditions being simulated; assigning a processing task to at least one of a plurality of distributed computing devices to generate vehicle trajectories for each of a plurality of simulated vehicles of the simulation based on the vicinal scenario; and updating a state and trajectory of each of the plurality of simulated vehicles based on processed data received from the plurality of distributed computing devices.Type: GrantFiled: June 2, 2017Date of Patent: November 12, 2019Assignee: TUSIMPLEInventors: Xing Sun, Wutu Lin, Yufei Zhao, Liu Liu
-
Patent number: 10471963Abstract: A system and method for transitioning between an autonomous and manual driving mode based on detection of a driver's capacity to control a vehicle are disclosed. A particular embodiment includes: receiving sensor data related to a vehicle driver's capacity to take manual control of an autonomous vehicle; determining, based on the sensor data, if the driver has the capacity to take manual control of the autonomous vehicle, the determining including prompting the driver to perform an action or provide an input; and outputting a vehicle control transition signal to a vehicle subsystem to cause the vehicle subsystem to take action based on the driver's capacity to take manual control of the autonomous vehicle.Type: GrantFiled: April 7, 2017Date of Patent: November 12, 2019Assignee: TUSIMPLEInventors: Zehua Huang, Panqu Wang, Pengfei Chen
-
Patent number: 10410055Abstract: A system and method for aerial video traffic analysis are disclosed. A particular embodiment is configured to: receive a captured video image sequence from an unmanned aerial vehicle (UAV); clip the video image sequence by removing unnecessary images; stabilize the video image sequence by choosing a reference image and adjusting other images to the reference image; extract a background image of the video image sequence for vehicle segmentation; perform vehicle segmentation to identify vehicles in the video image sequence on a pixel by pixel basis; determine a centroid, heading, and rectangular shape of each identified vehicle; perform vehicle tracking to detect a same identified vehicle in multiple image frames of the video image sequence; and produce output and visualization of the video image sequence including a combination of the background image and the images of each identified vehicle.Type: GrantFiled: October 5, 2017Date of Patent: September 10, 2019Assignee: TuSimpleInventors: Yijie Wang, Panqu Wang, Pengfei Chen
-
Patent number: 10387736Abstract: A system method for detecting taillight signals of a vehicle using a convolutional neural network is disclosed.Type: GrantFiled: September 20, 2017Date of Patent: August 20, 2019Assignee: TUSIMPLEInventors: Yijie Wang, Ligeng Zhu, Panqu Wang, Pengfei Chen
-
Patent number: 10373003Abstract: A method of lane detection for a non-transitory computer readable storage medium storing one or more programs is disclosed. The one or more programs include instructions, which when executed by a computing device, cause the computing device to perform the following steps comprising: generating a ground truth; off-line training a lane detection algorithm by using the ground truth, the lane detection algorithm using parameters that express a lane marking in an arc; on-line generating a predicted lane marking; comparing the predicted lane marking against the ground truth; and off-line refining the lane detection algorithm.Type: GrantFiled: August 22, 2017Date of Patent: August 6, 2019Assignee: TUSIMPLEInventors: Siyuan Liu, Mingdong Wang, Xiaodi Hou
-
Patent number: 10360686Abstract: A system for generating a ground truth dataset for motion planning of a vehicle is disclosed. The system includes an internet server that further includes 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: a corresponding module configured to correspond, for each pair of images, a first image of the pair to a LiDAR static-scene point cloud; and a computing module configured to compute a camera pose associated with the pair of images in the coordinate of the point cloud.Type: GrantFiled: June 13, 2017Date of Patent: July 23, 2019Assignee: TUSIMPLEInventors: Yi Wang, Yi Luo, Wentao Zhu, Panqu Wang
-
Patent number: 10360257Abstract: A system and method for implementing an image annotation platform are disclosed. A particular embodiment includes: registering a plurality of labelers to which annotation tasks are assigned; assigning annotation tasks to the plurality of labelers; determining if the annotation tasks can be closed or re-assigned to the plurality of labelers; aggregating annotations provided by the plurality of labelers as a result of the closed annotation tasks; evaluating a level of performance of the plurality of labelers in providing the annotations; and calculating payments for the plurality of labelers based on the quantity and quality of the annotations provided by the plurality of labelers.Type: GrantFiled: August 8, 2017Date of Patent: July 23, 2019Assignee: TuSimpleInventors: Xiaodi Hou, Siyuan Liu, Kai Zhou
-
Publication number: 20190196468Abstract: A Method and System for Modeling Autonomous Vehicle Behavior. The system and method makes it feasible to develop an autonomous vehicle control system for complex vehicles, such as for cargo trucks and other large payload vehicles. The method and system commences by first obtaining 3-dimensional data for one or more sections of roadway. Once the 3-dimensional roadway data is obtained, that data is used to run computer simulations of a computer model of a specific vehicle being controlled by a generic vehicle control algorithm or system. The generic vehicle control algorithm is optimized by running the simulations utilizing the 3-dimensional roadway data until an acceptable performance result is acheived. Once an acceptable simulation is executed using the generic vehicle control algorithm, the control algorithm/system is used to run one or more real-world driving tests on the roadway for which the 3-dimensional data was obtained.Type: ApplicationFiled: December 22, 2017Publication date: June 27, 2019Applicant: TuSimpleInventors: Liu Liu, Che Kun Law, Ke Quan
-
Patent number: 10311312Abstract: A system and method for vehicle occlusion detection is disclosed.Type: GrantFiled: October 28, 2017Date of Patent: June 4, 2019Assignee: TuSimpleInventors: Hongkai Yu, Zhipeng Yan, Panqu Wang, Pengfei Chen