Results 21 to 30 of about 76,204 (254)

ResCalib: Joint LiDAR and Camera Calibration Based on Geometrically Supervised Deep Neural Networks

Leida xuebao
Light Detection And Ranging (LiDAR) systems lack texture and color information, while cameras lack depth information. Thus, the information obtained from LiDAR and cameras is highly complementary.
Jiahui CHAI, Minglei LI, Min LI, Dazhou WEI, Guangyong CHEN   +4 more
doaj   +1 more source

Three-Point Marking Method to Overcome External Parameter Disturbance in Stereo-DIC Based on Camera Pose Self-Estimation

IEEE Access, 2020
Stereo digital image correlation (stereo-DIC) requires the stereo-camera system to remain fixed during the measurement process. This requirement brings a lot of inconvenience to the practical application of stereo-DIC.
Chang Ma, Zhoumo Zeng, Hui Zhang, Hengrui Cui, Xiaobo Rui   +4 more
doaj   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei, Fredrik Orädd, Konstantinos Magkakis, Magnus Andersson   +3 more
wiley   +1 more source

A Vision-Based Self-Calibration Method for Robotic Visual Inspection Systems

Sensors, 2013
A vision-based robot self-calibration method is proposed in this paper to evaluate the kinematic parameter errors of a robot using a visual sensor mounted on its end-effector.
Shibin Yin, Yongjie Ren, Jigui Zhu, Shourui Yang, Shenghua Ye   +4 more
doaj   +1 more source

Protocol for quantifying miRNA trafficking across the endosomal membrane

FEBS Open Bio, EarlyView.
An in vitro protocol measures miRNA uptake into endosomes isolated from mammalian cell extracts, which are free of subcellular contaminants. Performed at 37 °C in the presence of ATP, it ensures the import of single‐stranded miRNA into the endosomal lumen.
Syamantak Ghosh, Kamalika Mukherjee, Suvendra N. Bhattacharyya   +2 more
wiley   +1 more source

Development and validation of an individual-based state-transition model for the prediction of frailty and frailty-related events.

PLoS ONE, 2023
Frailty is a biological syndrome that is associated with increased risks of morbidity and mortality. To assess the value of interventions to prevent or manage frailty, all important impacts on costs and outcomes should be estimated. The aim of this study
Aubyn Pincombe, Hossein Haji Ali Afzali, Renuka Visvanathan, Jonathan Karnon   +3 more
doaj   +2 more sources

3-D Modeling of Traffic Accidents Scenes Using a UAV-Borne SSL-Camera System

IEEE Access
To address the time-consuming investigation and inaccurate modeling problems of conventional road accident scenes, this paper proposes a remote sensing-based accident modeling method using multi-sensor data fusion.
Xinyi Zhang, Zhiwei Guan, Xiaofeng Liu, Zejiang Zhang   +3 more
doaj   +1 more source

On-Orbit Geometric Calibration Model and Its Applications for High-Resolution Optical Satellite Imagery

Remote Sensing, 2014
On-orbit geometric calibration is a key technology to guarantee the geometric quality of high-resolution optical satellite imagery. In this paper, we present an approach for the on-orbit geometric calibration of high-resolution optical satellite imagery,
Mi Wang, Bo Yang, Fen Hu, Xi Zang
doaj   +1 more source

Parametric uncertainty or hydrological changes? [PDF]

Proceedings of the International Association of Hydrological Sciences, 2014
The model calibration is the way of hydrologists for searching also a physical interpretation of complex interactions acting within a basin. Actually, it can be frequently noticed how model calibration performed on a given time-window may converge to a ...
F. Viola, L. V. Noto, D. Pumo
doaj   +1 more source

Improved Tracking and Docking of Industrial Mobile Robots Through UKF Vision-Based Kinematics Calibration

IEEE Access, 2021
Performing an open-loop movement, or docking, for an industrial mobile robot (IMR), is a common necessary procedure when relying on environmental sensors is not possible.
Stefano Mutti, Nicola Pedrocchi
doaj   +1 more source