نتایج جستجو برای: calibration matrix

تعداد نتایج: 418172  

Journal: :Proceedings of the ... AAAI Conference on Artificial Intelligence 2022

Data-driven methods have achieved notable performance on intent detection, which is a task to comprehend user queries. Nonetheless, they are controversial for over-confident predictions. In some scenarios, users do not only care about the accuracy but also confidence of model. Unfortunately, mainstream neural networks poorly calibrated, with large gap between and confidence. To handle this prob...

2014
Winfried Nischkauer Frank Vanhaecke Sébastien Bernacchi Christoph Herwig Andreas Limbeck

Nebulising liquid samples and using the aerosol thus obtained for further analysis is the standard method in many current analytical techniques, also with inductively coupled plasma (ICP)-based devices. With such a set-up, quantification via external calibration is usually straightforward for samples with aqueous or close-to-aqueous matrix composition. However, there is a variety of more comple...

Journal: :Processes 2021

The aim of this review is to explore and discuss the two main aspects related a HeadSpace Solid Phase Micro-Extraction Gas-Chromatography/Mass-Spectrometry (HS-SPME-GC/MS) quantitative analysis volatile compounds in wines, both being fundamental obtain reliable data. In first section, recent advances use multivariate optimization approaches during method development step are described with spec...

Journal: :The Journal of Korean Institute of Electromagnetic Engineering and Science 2018

Journal: :Journal of Analytical Atomic Spectrometry 2022

The performance of Glow Discharge Optical Emission Spectrometry for matrix independent oxygen determination was investigated using the spectral lines atomic at 130 nm and 777 standard...

2015

A method used to determine Pb in unknown matrices by isotope dilution mass spectrometry (IDMS) was previously published by NIST [1]. IDMS is considered the most accurate method for total blood metals analyses, mainly because it eliminates the blood’s matrix effect [2, 3]. However, the IDMS method is relatively expensive, and cannot be used for mono-isotopic metals such as Mn or As. Alternativel...

1987
Chien-Hue Chen Avinash C. Kak

In this report we have used projectivity theory to model the process of structured light scanning for 3D robot vision. The projectivity formalism is used to derive a 4x3 transformation matrix that converts points in the image plane into their corresponding 3D world coordinates. Calibration of the scanner consists of computing the coefficient of this matrix by showing to the system a set of line...

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