Unical: a single-branch transformer-based model for camera-to-lidar calibration and validation

M Cocheteux, A Low, M Bruehlmeier - arXiv preprint arXiv:2304.09715, 2023 - arxiv.org
We introduce a novel architecture, UniCal, for Camera-to-LiDAR (C2L) extrinsic calibration
which leverages self-attention mechanisms through a Transformer-based backbone network …

Automatic extrinsic calibration method for lidar and camera sensor setups

J Beltrán, C Guindel, A De La Escalera… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Most sensor setups for onboard autonomous perception are composed of LiDARs and
vision systems, as they provide complementary information that improves the reliability of the …

Joint camera intrinsic and lidar-camera extrinsic calibration

G Yan, F He, C Shi, P Wei, X Cai… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
Sensor-based environmental perception is a crucial step for autonomous driving systems,
for which an accurate calibration between multiple sensors plays a critical role. For the …

Galibr: Targetless LiDAR-Camera Extrinsic Calibration Method via Ground Plane Initialization

W Song, M Oh, J Lee, H Myung - arXiv preprint arXiv:2406.11599, 2024 - arxiv.org
With the rapid development of autonomous driving and SLAM technology, the performance
of autonomous systems using multimodal sensors highly relies on accurate extrinsic …

Edgecalib: Multi-frame weighted edge features for automatic targetless lidar-camera calibration

X Li, Y Duan, B Wang, H Ren, G You… - IEEE Robotics and …, 2024 - ieeexplore.ieee.org
In multimodal perception systems, achieving precise extrinsic calibration between LiDAR
and camera is of critical importance. However, the pre-calibrated extrinsic parameters may …

Rotation Initialization and Stepwise Refinement for Universal LiDAR Calibration

Y Duan, X Zhang, G You, Y Wu, X Li, Y Li… - arXiv preprint arXiv …, 2024 - arxiv.org
Autonomous systems often employ multiple LiDARs to leverage the integrated advantages,
enhancing perception and robustness. The most critical prerequisite under this setting is the …

PBACalib: Targetless extrinsic calibration for high-resolution LiDAR-camera system based on plane-constrained bundle adjustment

F Chen, L Li, S Zhang, J Wu… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
The strategy of fusing multi-model data especially from cameras, light detection and ranging
sensors (LiDAR), is frequently considered in robotics to enhance the performance of the …

L2V2T2Calib: Automatic and Unified Extrinsic Calibration Toolbox for Different 3D LiDAR, Visual Camera and Thermal Camera

J Zhang, Y Liu, M Wen, Y Yue… - 2023 IEEE Intelligent …, 2023 - ieeexplore.ieee.org
Extrinsic calibration between LiDAR-Camera and LiDAR-LiDAR has been researched
extensively, because it is the foundation for sensor fusion. Meanwhile, many projects are …

Batch differentiable pose refinement for in-the-wild camera/lidar extrinsic calibration

LFT Fu, M Fallon - Conference on Robot Learning, 2023 - proceedings.mlr.press
Abstract Accurate camera to LiDAR (Light Detection and Ranging) extrinsic calibration is
important for robotic tasks carrying out tight sensor fusion—such as target tracking and …

Automatic LiDAR-Camera Extrinsic Calibration using Pseudo Image and Multiple Targets

Y Dong, Y Liu, L Li, H Deng, J Tang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Recently, with the rapid progress of solid-state light detection and ranging (LiDAR), the
issues of establishing a robust transformation between solid-state LiDAR (SSL) and other …