Lidar localization using RNN and LSTM for temporal smoothness in autonomous driving vehicles

W Lu, Y Zhou, WAN Guowei, HOU Shenhua… - US Patent …, 2022 - Google Patents
In one embodiment, a method for temporal smoothness in localization results for an
autonomous driving vehicle includes: creating a probability offset volume that represents an …

LiDAR localization using 3D CNN network for solution inference in autonomous driving vehicles

W Lu, Y Zhou, WAN Guowei, HOU Shenhua… - US Patent …, 2022 - Google Patents
In one embodiment, a method for solution inference using neural networks in LiDAR
localization includes construct ing a cost volume in a solution space for a predicted pose of …

Deep learning-based feature extraction for LiDAR localization of autonomous driving vehicles

W Lu, Y Zhou, WAN Guowei, HOU Shenhua… - US Patent …, 2023 - Google Patents
In one embodiment, a method for extracting point cloud features for use in localizing an
autonomous driving vehicle (ADV) includes selecting a first set of keypoints from an online …

Point clouds based lidar recalibration system for autonomous vehicles

F Zhu - US Patent App. 16/918,272, 2022 - Google Patents
Embodiments of the present disclosures disclose a method and a system to notify an
operator that perception sensors of an autonomous driving vehicle (ADV) need to be recali …

Autonomous vehicle localization using a Lidar intensity map

S Wang, A Pokrovsky, RU Sotil, IA Bârsan - US Patent 11,726,208, 2023 - Google Patents
Aspects of the present disclosure involve systems, methods, and devices for autonomous
vehicle localization using a Lidar intensity map. A system is configured to generate a map …

Updated point cloud registration pipeline based on ADMM algorithm for autonomous vehicles

R He, S Song, L Yu, D Wendong, Y Pengfei - US Patent 11,521,329, 2022 - Google Patents
In one embodiment, a system and method for point cloud registration of LIDAR poses of an
autonomous driving vehicle (ADV) is disclosed. The method selects poses of the point …

Feature matching and corresponding refinement and 3D submap position refinement system and method for centimeter precision localization using camera-based …

Y Luo, Y Wang, K Xu - US Patent 11,151,393, 2021 - Google Patents
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 …

3D submap reconstruction system and method for centimeter precision localization using camera-based submap and LiDAR-based global map

Y Luo, Y Wang, K Xu - US Patent 10,762,673, 2020 - Google Patents
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 …

Real-time map generation system for autonomous vehicles

Y Xiao, R He, Y Pengfei, L Yu, S Song - US Patent 11,465,642, 2022 - Google Patents
In one embodiment, a system receives a stream of frames of point clouds from one or more
LIDAR sensors of an ADV and corresponding poses in real-time. The system extracts …

Feature matching and correspondence refinement and 3D submap position refinement system and method for centimeter precision localization using camera-based …

Y Luo, Y Wang, K Xu - US Patent 10,565,457, 2020 - Google Patents
(57) 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 …