Online camera-lidar calibration with sensor semantic information

Y Zhu, C Li, Y Zhang - 2020 IEEE International Conference on …, 2020 - ieeexplore.ieee.org
As a crucial step of sensor data fusion, sensor calibration plays a vital role in many cutting-
edge machine vision applications, such as autonomous vehicles and AR/VR. Existing …

Semcal: Semantic lidar-camera calibration using neural mutual information estimator

P Jiang, P Osteen, S Saripalli - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
This paper proposes SemCal: an automatic, tar-getless, extrinsic calibration algorithm for a
LiDAR and camera system using semantic information. We leverage a neural information …

RGGNet: Tolerance aware LiDAR-camera online calibration with geometric deep learning and generative model

K Yuan, Z Guo, ZJ Wang - IEEE Robotics and Automation …, 2020 - ieeexplore.ieee.org
Accurate LiDAR-camera online calibration is critical for modern autonomous vehicles and
robot platforms. Dominant methods heavily rely on hand-crafted features, which are not …

Calibdepth: Unifying depth map representation for iterative lidar-camera online calibration

J Zhu, J Xue, P Zhang - 2023 IEEE International Conference on …, 2023 - ieeexplore.ieee.org
LiDAR-Camera online calibration is of great significance for building a stable autonomous
driving perception system. For online calibration, a key challenge lies in constructing a …

Keypoint-based LiDAR-camera online calibration with robust geometric network

C Ye, H Pan, H Gao - IEEE Transactions on Instrumentation …, 2021 - ieeexplore.ieee.org
There is no denying the fact that LiDAR-camera online calibration is an extremely complex
problem. For automatic driving technology development, a stable, accurate, and fast online …

Single-shot is enough: Panoramic infrastructure based calibration of multiple cameras and 3D LiDARs

C Fang, S Ding, Z Dong, H Li, S Zhu… - 2021 IEEE/RSJ …, 2021 - ieeexplore.ieee.org
The integration of multiple cameras and 3D Li-DARs has become basic configuration of
augmented reality devices, robotics, and autonomous vehicles. The calibration of multi …

DXQ-Net: Differentiable lidar-camera extrinsic calibration using quality-aware flow

X Jing, X Ding, R Xiong, H Deng… - 2022 IEEE/RSJ …, 2022 - ieeexplore.ieee.org
Accurate LiDAR-camera extrinsic calibration is a precondition for many multi-sensor systems
in mobile robots. Most calibration methods rely on laborious manual operations and …

Calibrcnn: Calibrating camera and lidar by recurrent convolutional neural network and geometric constraints

J Shi, Z Zhu, J Zhang, R Liu, Z Wang… - 2020 IEEE/RSJ …, 2020 - ieeexplore.ieee.org
In this paper, we present Calibration Recurrent Convolutional Neural Network (CalibRCNN)
to infer a 6 degrees of freedom (DOF) rigid body transformation between 3D LiDAR and 2D …

Line-based automatic extrinsic calibration of lidar and camera

X Zhang, S Zhu, S Guo, J Li… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Reliable real-time extrinsic parameters of 3D Light Detection and Ranging (LiDAR) and
camera are a key component of multi-modal perception systems. However, extrinsic …

Crlf: Automatic calibration and refinement based on line feature for lidar and camera in road scenes

T Ma, Z Liu, G Yan, Y Li - arXiv preprint arXiv:2103.04558, 2021 - arxiv.org
For autonomous vehicles, an accurate calibration for LiDAR and camera is a prerequisite for
multi-sensor perception systems. However, existing calibration techniques require either a …