Results 1 to 10 of about 76,204 (254)

High-Precision External Parameter Calibration Method for Camera and Lidar Based on a Calibration Device

open access: yesIEEE Access, 2023
The fusion of camera and lidar plays an important role in the field of robotic perception. The accurate external parameter calibration is a necessary prerequisite for sensor fusion.
Song Fan   +3 more
doaj   +4 more sources

External Extrinsic Calibration of Multi-Modal Imaging Sensors: A Review

open access: yesIEEE Access, 2023
With the rapid development of autonomous driving, robotics, and intelligent transportation, multi-sensor-based environment sensing technology for intelligent vehicles has become a popular research direction.
Zhien Liu   +4 more
doaj   +3 more sources

Automatic Targetless Monocular Camera and LiDAR External Parameter Calibration Method for Mobile Robots

open access: yesRemote Sensing, 2023
With the continuous development and popularization of sensor-fusion technology for mobile robots, the application of camera and light detection and ranging (LiDAR) fusion perception has become particularly important.
Ying Yu   +4 more
doaj   +2 more sources

Research on fine-tuning algorithms for Large Language Models integrating Uncertainty Modeling and External Memory Augmentation. [PDF]

open access: yesPLoS ONE
This paper proposes a parameter-efficient fine-tuning framework that integrates uncertainty modeling with external memory augmentation, aiming to improve robustness, confidence calibration, and contextual completeness in downstream natural language ...
Yumeng Ma   +7 more
doaj   +2 more sources

High-Precision and Efficient Calibration of Robot Polishing Systems Using an Adaptive Residual EKF Optimized by MIPO [PDF]

open access: yesSensors
This paper proposes an adaptive residual extended Kalman filter method optimized by a multi-strategy improved parrot optimization algorithm (MIPO-ARKEKF) to improve the kinematic parameter calibration accuracy and efficiency of robotic polishing systems.
Lei Wang   +7 more
doaj   +2 more sources

A Special Unique Solution Case of the Perspective-Three-Point Problem for External Parameter Calibration of an Omnidirectional Camera [PDF]

open access: yesInternational Journal of Advanced Robotic Systems, 2012
In the field of machine vision, the multi-solution problem of the perspective-three-point (P3P) camera pose estimation problem has been widely researched.
Xiaoxiao Zhu, Qixin Cao
doaj   +2 more sources

Candexch algorithm-enhanced chemometric determination of a novel anti-COVID-19 therapeutics in plasma and paxlovid formulation using advanced multivariate modeling: a sustainability-centered bioanalytical approach [PDF]

open access: yesBMC Chemistry
This work reports the development of an algorithm-assisted chemometric spectrophotometric method for the concurrent quantification of anti-COVID-19 therapeutics nirmatrelvir, ritonavir, and the active molnupiravir metabolite N4-hydroxycytidine in ...
Ahmed Emad F. Abbas   +4 more
doaj   +2 more sources

Research on Calibration Algorithm of Camera and LiDAR for Transport Vehicles in Open-pit Mines

open access: yesKongzhi Yu Xinxi Jishu, 2022
In the intelligent driving system of transport vehicles in open-pit mines, the data fusion of camera and LiDAR plays a vital role in the detection, recognition and tracking of obstacles. Aiming at the problem of camera and LiDAR spatial coordinate unity,
XU Yanghan   +5 more
doaj   +3 more sources

A Simple Calibration and Verification Method for Solid-State Lidar

open access: yesShanghai Jiaotong Daxue xuebao, 2021
In order to solve the problem of cumbersome external parameter calibration of solid-state lidar and overcome the difficulty in verifying its calibration results, a simple calibration and verification method for solid-state lidar is proposed.
YANG Yiwen, HE Yuesheng, WANG Chunxiang, YANG Ming
doaj   +1 more source

Improvement of vision measurement system for cutting head position of boom-type roadheader

open access: yesGong-kuang zidonghua, 2021
In the vision measurement system for cutting head position of cantilever roadheader based on infrared LED characteristics, the stability of external calibration and the accuracy of infrared LED spot center extraction have an important influence on the ...
ZHANG Xuhui1,2   +5 more
doaj   +1 more source

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