The distance measurement based on corner detection for rebar spacing in engineering images

MS An, DS Kang - The Journal of Supercomputing, 2022 - Springer
The acceptance of binding and rebar installation is the last and vital step in construction
engineering. However, there are many environmental constraints in the acceptance of the …

Measuring surface velocity of water flow by dense optical flow method

H Wu, R Zhao, X Gan, X Ma - Water, 2019 - mdpi.com
Recent advances in video processing technology have provided a new approach to
measuring the surface velocity of water flow (SVWF). However, most of the previous …

[PDF][PDF] 基于观测概率有效下界估计的二维激光雷达和摄像机标定方法

彭梦, 万琴, 陈白帆, 邬书跃 - 电子与信息学报, 2022 - jeit.ac.cn
针对2D 激光雷达和摄像机最小解标定方法的多解问题, 该文提出一种基于观测概率有效下界
估计的标定方法. 首先, 提出一种最小解集合的分级聚类方法, 将每类最优解替换原来的解集合 …

Calibration of a 2D laser scanner system and rotating platform using a point-plane constraint

L Kurnianggoro, VD Hoang, KH Jo - Computer Science and …, 2015 - doiserbia.nb.rs
The purpose of this study was to produce a low cost 3D scanner system using a rotating 2D
laser scanner. There are two key parameters of this system, the rotation axis and the rotation …

A calibration method of 2D Lidar and a camera based on effective lower bound estimation of observation probability

M PENG, Q WAN, B CHEN, S WU - 电子与信息学报, 2022 - jeit.ac.cn
Considering the multi solution problem of minimum solution method for calibration of 2D
lidar and camera, a calibration method based on the estimation of the effective lower bound …

Accurate laser scanner to camera calibration with application to range sensor evaluation

P Fuersattel, C Plank, A Maier, C Riess - IPSJ Transactions on Computer …, 2017 - Springer
Multi-modal sensory data plays an important role in many computer vision and robotics
tasks. One popular multi-modal pair is cameras and laser scanners. To overlay and jointly …

Calibration method of 1D laser rangefinder for large-scale 3D measurement under harsh environment

J Kang, B Wu, Y Wang - IEICE Electronics Express, 2020 - jstage.jst.go.jp
Vision measurement has encountered the bottlenecks in capturing and processing the
images of laser spots under harsh working environment of strong sunshine and complex …

基于共面圆的距离传感器与相机的相对位姿标定

王硕, 祝海江, 李和平, 吴毅红 - 自动化学报, 2020 - aas.net.cn
近年来, 距离传感器与摄像机的组合系统标定在无人车环境感知中得到了广泛的研究与应用,
其中基于平面特征的方法简单易行而被广泛采用. 然而, 目前多数方法基于点匹配进行 …

Navigation aiding by a hybrid laser-camera motion estimator for micro aerial vehicles

J Atman, M Popp, J Ruppelt, GF Trommer - sensors, 2016 - mdpi.com
Micro Air Vehicles (MAVs) equipped with various sensors are able to carry out autonomous
flights. However, the self-localization of autonomous agents is mostly dependent on Global …

Camera and laser range finder fusion for real-time car detection

L Kurnianggoro, DC Hernández… - IECON 2014-40th …, 2014 - ieeexplore.ieee.org
This paper describes a car detection method by combining data obtained from a laser and a
camera. Data from the camera and the laser range finder (LRF) are combined after a …