Results 51 to 60 of about 190,183 (161)

Empirical calibration of a simulation model of opioid use disorder.

open access: yesPLoS ONE
BackgroundSimulation models of opioid use disorder (OUD) aim at evaluating the impact of different treatment strategies on population-level outcomes.
R W M A Madushani   +5 more
doaj   +1 more source

Impact of parameter set dimensionality and calibration procedures on streamflow prediction at ungauged catchments

open access: yesJournal of Hydrology: Regional Studies, 2017
Spatial proximity, physical similarity and multiple linear regression are implemented on 266 snowmelt dominated catchments located in Québec, Canada. This paper evaluates: (1) the impact of the parameter set dimensionality by comparing 6, 9 and 15 free ...
Dominique Poissant   +2 more
doaj   +1 more source

A Kind of Calibration Method for Robot Arm DH Parameter by Using Calibration Board

open access: yesJixie chuandong, 2017
The robot arm DH parameter calibration method based on calibration board is proposed,the 7points of calibration board can be sampled by using the end effector in sequence,among which the first 3 points are used to construct the relationship between world
Yang Yuan, Cao Tong, Liu Da
doaj  

A Multi-Parameter Calibration Method Based on the Newton Method and the Genetic Algorithm in Airborne Array Synthetic Aperture Radar

open access: yesRemote Sensing
Airborne array synthetic aperture radar (SAR) can achieve three-dimensional (3D) imaging of the observed scene in a single flight. Nevertheless, the imaging process of airborne array SAR is subject to various parameter errors due to unstable factors ...
Dawei Wang   +3 more
doaj   +1 more source

Accurate calibration of stereo cameras for machine vision

open access: yesJournal of Computer Science and Technology, 2004
Camera calibration is an important task for machine vision, whose goal is to obtain the internal and external parameters of each camera. With these parameters, the 3D positions of a scene point, which is identified and matched in two stereo images, can ...
Liangfu Li, Zuren Feng, Yuanjing Feng
doaj  

Calibration of DEM direct shear box test model with hulled millet and viscoelastic contact model using a genetic algorithm

open access: yesSmart Agricultural Technology
: One of the principal challenges currently facing those who use simulations based on the discrete element method is to calibrate the micromechanical parameters of a contact model with the necessary degree of accuracy.
Dániel Horváth   +2 more
doaj   +1 more source

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