Search Results for author: Jingnan Liu

Found 3 papers, 1 papers with code

Sky-GVIO: an enhanced GNSS/INS/Vision navigation with FCN-based sky-segmentation in urban canyon

1 code implementation17 Apr 2024 Jingrong Wang, Bo Xu, Ronghe Jin, Shoujian Zhang, Kefu Gao, Jingnan Liu

Building upon this, a novel NLOS detection and mitigation algorithm (named S-NDM) is extended to the tightly coupled Global Navigation Satellite Systems (GNSS), Inertial Measurement Units (IMU), and visual feature system which is called Sky-GVIO, with the aim of achieving continuous and accurate positioning in urban canyon environments.

Autonomous Driving

OdoNet: Untethered Speed Aiding for Vehicle Navigation Without Hardware Wheeled Odometer

no code implementations7 Sep 2021 Hailiang Tang, Xiaoji Niu, Tisheng Zhang, You Li, Jingnan Liu

The results indicate that the IMU individuality, the vehicle loads, and the road conditions have little impact on the robustness and precision of the OdoNet, while the IMU biases and the mounting angles may notably ruin the OdoNet.

$SE_2(3)$ based Extended Kalman Filter for Inertial-Integrated Navigation

no code implementations25 Feb 2021 Yarong Luo, Chi Guo, Shenyong You, Jianlang Hu, Jingnan Liu

With the new velocity and position error definition, we leverage the group affine dynamics with the autonomous error properties and derive the error state differential equation for the inertial-integrated navigation on the north-east-down local-level navigation frame and the earth-centered earth-fixed frame, respectively, the corresponding extending Kalman filter (EKF), terms as $SE_2(3)$-EKF has also been derived.

Robotics

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