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Relevant bibliographies by topics / Method calibration curve

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Journal articles

Academic literature on the topic 'Method calibration curve'

Author: Grafiati

Published: 4 May 2022

Last updated: 5 May 2022

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Journal articles on the topic "Method calibration curve"

1

Zhang, Bao Long, Shao Jing Zhang, Wei Qi Ding, and Hui Shuang Shi. "Fisheye Lens Distortion Calibration Based on the Lens Charactetic Curves." Applied Mechanics and Materials 519-520 (February 2014): 636–39. http://dx.doi.org/10.4028/www.scientific.net/amm.519-520.636.

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The fisheye lens is a kind of ultra wide angle lens, which can produce a big super-wide-angle lens distortion. In order to cover a large scope of light, barrel distortion is artificially added to the optical system. However, in some cases this distortion is not allowed, then it requires calibrations of those distortions. Most of the traditional distortion calibration method uses target plane calibration to do it. This paper discusses the way of design fisheye lens, through which we can know the forming process of distortion clearly. Based on this paper, a simple and effective calibration metho

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2

Hajiyev, Chingiz. "Sensor Calibration Design Based on D-Optimality Criterion." Metrology and Measurement Systems 23, no. 3 (2016): 413–24. http://dx.doi.org/10.1515/mms-2016-0029.

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AbstractIn this study, a procedure for optimal selection of measurement points using the D-optimality criterion to find the best calibration curves of measurement sensors is proposed. The coefficients of calibration curve are evaluated by applying the classical Least Squares Method (LSM). As an example, the problem of optimal selection for standard pressure setters when calibrating a differential pressure sensor is solved. The values obtained from the D-optimum measurement points for calibration of the differential pressure sensor are compared with those from actual experiments. Comparison of

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3

Xia, Tian, Chao Jin, Xiao Yang Jiang, and Yi Zhong Li. "A Camera Calibration Method Using Quadratic Curve Fitting." Advanced Materials Research 591-593 (November 2012): 1281–84. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1281.

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The camera calibration is an essential part in the machine vision,the camera calibration is to establish the relationship between the camera image pixellocation and scene position,the approach is based on the camera model,solving the model parameters of the camera image coordinates and world coordinates from the known feature points. Using the camera calibration method based on quadratic curve,this article selects a template consists of two concentric circles and two concentric ovals.We shot 4 images in different directions,and use different combinations of three of the four images to calibrat

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4

Mendes, Vera M., Margarida Coelho, Angelo R. Tomé, Rodrigo A. Cunha, and Bruno Manadas. "Validation of an LC-MS/MS Method for the Quantification of Caffeine and Theobromine Using Non-Matched Matrix Calibration Curve." Molecules 24, no. 16 (2019): 2863. http://dx.doi.org/10.3390/molecules24162863.

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Caffeine is one of the most widely consumed psycho-stimulants. The study of the beneficial effects of caffeine consumption to decrease the risk of developing several neuropsychiatric pathologies is receiving increasing attention. Thus, accurate and sensitive methods have been developed, mainly by LC-MS/MS, in order to quantify caffeine and its metabolites. These quantifications of caffeine and its metabolites by LC-MS/MS require a considerable effort to select or find a surrogate matrix, without the compounds of interest, to be used in the calibration curves. Thus, we evaluated the possibility

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5

Buck, C. E., and P. G. Blackwell. "Formal Statistical Models for Estimating Radiocarbon Calibration Curves." Radiocarbon 46, no. 3 (2004): 1093–102. http://dx.doi.org/10.1017/s0033822200033026.

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We report on the development and implementation of a model-based statistical method for the estimation of radiocarbon calibration curves using diverse data. The method takes account of uncertainty on both the 14C and calendar scales, coherently integrating data, the calendar age estimates of which arise from different dating methods. It also allows for correlation between observations, if they have particular sources of uncertainty in common. We adopt an approach based on a random walk model, tailoring it to take account of possible calendar age offsets between different data sources by adding

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6

van der Plicht, J. "Calibration of the 14C time scale: towards the complete dating range." Netherlands Journal of Geosciences - Geologie en Mijnbouw 81, no. 1 (2002): 85–96. http://dx.doi.org/10.1017/s001677460002059x.

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AbstractRadiocarbon calibration based on dendro-chronology and U-series dated corals yield a calibration curve (INTCAL98) well into the Late Glacial, back to ca. 15,600 calendar years ago. Beyond this limit, various calibration curves are produced, mainly based on laminated sediments and various carbonates dated by U-series isotopes. Such calibration curves now cover the complete 14C dating range of about 45,000 years, but are not consistent with each other. Each calibration method (other than dendro-chronology) has its own assumptions and pitfalls. Thus far, the calibration curve obtained fro

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7

Muzikar, Paul. "Radiocarbon Calibration by the Date Distribution Method." Radiocarbon 41, no. 2 (1999): 215–20. http://dx.doi.org/10.1017/s003382220001955x.

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A method is presented for calibrating radiocarbon ages based on statistical analysis of a large number of randomly distributed dates. One interesting feature of this method is that it is internal; that is, it allows one to extend a known calibration curve further back in time by using only 14C dates, with no reference to any other dating technique. A serious difficulty in implementing this method lies in assembling a sample of dates with the correct statistical properties.

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Polgar, Janos, Jack Havelick, Qun Li, et al. "Optimization of One-Stage Coagulation Factor Assays: Improved Accuracy and Precision over an Extended Linear Range." Blood 110, no. 11 (2007): 3933. http://dx.doi.org/10.1182/blood.v110.11.3933.3933.

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Abstract The majority of clinical laboratories use the one stage factor assay for plasma factor measurements because it is simple and easy to automate. However, quality assessment scheme surveys on factors show that inter-laboratory agreement needs to be improved and the one stage assay needs to be standardized better. In this study, one stage factor assays were improved by optimizing assay calibrations. A serious drawback of current factor assay calibrations is that they can’t cover the clinically relevant range (from zero to high activities) by a reliable single calibration. To have measured

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9

Tani, Hidenori, Takahiro Kanagawa, Nao Morita, et al. "Calibration-curve-free quantitative PCR: A quantitative method for specific nucleic acid sequences without using calibration curves." Analytical Biochemistry 369, no. 1 (2007): 105–11. http://dx.doi.org/10.1016/j.ab.2007.06.047.

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10

Aguilar, Delil Gómez Portugal, Cliff D. Litton, and Anthony O'Hagan. "Novel Statistical Model for a Piece-Wise Linear Radiocarbon Calibration Curve." Radiocarbon 44, no. 1 (2002): 195–212. http://dx.doi.org/10.1017/s0033822200064791.

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The process of calibrating radiocarbon determinations onto the calendar scale requires the setting of a specific statistical model for the calibration curve. This model specification will bear fundamental importance for the resulting inference regarding the parameter of interest—namely, in general, the calendar age associated to the sample that has been 14C-dated.Traditionally, the 14C calibration curve has been modelled simply as the piece-wise linear curve joining the (internationally agreed) high-precision calibration data points; or, less frequently, by proposing spline functions in order

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