Search Results - "Roger, Jean‐Michel"

SO‐CovSel: A novel method for variable selection in a multiblock framework by Biancolillo, Alessandra, Marini, Federico, Roger, Jean‐Michel

“…With the development of technology and the relatively higher availability of new instrumentations, having multiblock data sets (eg, a set of samples analyzed…”
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VSN: Variable sorting for normalization by Rabatel, Gilles, Marini, Federico, Walczak, Beata, Roger, Jean‐Michel

“…Spectrometric and analytical techniques in general collect multivariate signals from chemical or biological materials by means of a specific measurement…”
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Preprocessing NIR Spectra for Aquaphotomics by Roger, Jean-Michel, Mallet, Alexandre, Marini, Federico

“…Even though NIR spectroscopy is based on the Beer–Lambert law, which clearly relates the concentration of the absorbing elements with the absorbance, the…”
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Comparison of locally weighted PLS strategies for regression and discrimination on agronomic NIR data by Lesnoff, Matthieu, Metz, Maxime, Roger, Jean‐Michel

“…In multivariate calibrations, locally weighted partial least squared regression (LWPLSR) is an efficient prediction method when heterogeneity of data generates…”
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Critical review of chemometric indicators commonly used for assessing the quality of the prediction of soil attributes by NIR spectroscopy by Bellon-Maurel, Véronique, Fernandez-Ahumada, Elvira, Palagos, Bernard, Roger, Jean-Michel, McBratney, Alex

“…Near-infrared (NIR) and mid-IR spectroscopy applied to soil compositional analysis started to develop markedly in the 1990s, taking advantage of earlier…”
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Calibration transfer via filter learning by Xie, Zhonghao, Chen, Xiaojing, Roger, Jean-Michel, Ali, Shujat, Huang, Guangzao, Shi, Wen

“…Calibration transfer is an essential activity in analytical chemistry in order to avoid a complete recalibration. Currently, the most popular calibration…”
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Monte Carlo methods for estimating Mallows's Cp and AIC criteria for PLSR models. Illustration on agronomic spectroscopic NIR data by Lesnoff, Matthieu, Roger, Jean‐Michel, Rutledge, Douglas N.

“…Mallows's Cp and Akaike information criterion (AIC) are common criteria for selecting the dimensionality of regression models, as an alternative to…”
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Volatile compounds profiling by using proton transfer reaction‐time of flight‐mass spectrometry (PTR‐ToF‐MS). The case study of dark chocolates organoleptic differences by Deuscher, Zoé, Andriot, Isabelle, Sémon, Etienne, Repoux, Marie, Preys, Sébastien, Roger, Jean‐Michel, Boulanger, Renaud, Labouré, Hélène, Le Quéré, Jean‐Luc

“…Direct‐injection mass spectrometry (DIMS) techniques have evolved into powerful methods to analyse volatile organic compounds (VOCs) without the need of…”
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Removing the effect of soil moisture from NIR diffuse reflectance spectra for the prediction of soil organic carbon by Minasny, Budiman, McBratney, Alex B., Bellon-Maurel, Veronique, Roger, Jean-Michel, Gobrecht, Alexia, Ferrand, Laure, Joalland, Samuel

“…Field measurement using NIR spectroscopy is becoming a popular method to provide in situ, rapid, and inexpensive estimation of soil organic carbon (SOC)…”
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A review of orthogonal projections for calibration by Roger, Jean‐Michel, Boulet, Jean‐Claude

“…Effective methods often rely on simple mathematical operators. Among these operators, orthogonal projections have been widely used because of their simplicity…”
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Potential of Multiway PLS (N-PLS) Regression Method to Analyse Time-Series of Multispectral Images: A Case Study in Agriculture by Lopez-Fornieles, Eva, Brunel, Guilhem, Rancon, Florian, Gaci, Belal, Metz, Maxime, Devaux, Nicolas, Taylor, James, Tisseyre, Bruno, Roger, Jean-Michel

“…Recent literature reflects the substantial progress in combining spatial, temporal and spectral capacities for remote sensing applications. As a result, new…”
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Potential of high-spectral resolution for field phenotyping in plant breeding: Application to maize under water stress by Ryckewaert, Maxime, Gorretta, Nathalie, Henriot, Fabienne, Gobrecht, Alexia, Héran, Daphné, Moura, Daniel, Bendoula, Ryad, Roger, Jean-Michel

“…•Spectra were used to study response of maize genotypes to water stress.•A method called REP-ASCA was used to analyze the spectra.•Loadings highlight spectral…”
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Estimating macronutrient contents in Thai paddy soils using near-infrared (NIR) spectroscopy and locally weighted partial least square regression analysis by Khammao, Piyamas, Rattanapichai, Wutthida, Pitakdantham, Roongroj, Kasemsap, Poonpipope, Sajjaphan, Kannika, Roger, Jean Michel

“…Soil analysis is a crucial component of agricultural production, as it provides information about the nutrient content in soil to recommend fertilizer…”
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Is It Possible to Assess Heatwave Impact on Grapevines at the Regional Level with Time Series of Satellite Images? by Lopez-Fornieles, Eva, Brunel, Guilhem, Devaux, Nicolas, Roger, Jean-Michel, Tisseyre, Bruno

“…Unexpected climatic conditions or extreme climatic events in vineyards are a worldwide problem that requires accurate spatial and temporal monitoring…”
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Application of Parallel Factor Analysis (PARAFAC) to the Regional Characterisation of Vineyard Blocks Using Remote Sensing Time Series by Lopez-Fornieles, Eva, Brunel, Guilhem, Devaux, Nicolas, Roger, Jean-Michel, Taylor, James, Tisseyre, Bruno

“…Monitoring wine-growing regions and maximising the value of production based on their region/local specificities requires accurate spatial and temporal…”
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Effect of the Architecture of Fiber-Optic Probes Designed for Soluble Solid Content Prediction in Intact Sugar Beet Slices by Bendoula, Ryad, Ducanchez, Arnaud, Herrero-Langreo, Ana, Guerrero-Castro, Pablo, Roger, Jean-Michel, Gobrecht, Alexia

“…Sugar beet is the second biggest world contributor to sugar production and the only one grown in Europe. One of the main limitations for its competitiveness is…”
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Fast Fluorescence Spectroscopy Methodology to Monitor the Evolution of Extra Virgin Olive Oils Under Illumination by Hernández-Sánchez, Natalia, Lleó, Lourdes, Ammari, Faten, Cuadrado, Teresa R., Roger, Jean Michel

“…Detailed regions of excitation and emission wavelengths for extra virgin olive oil samples have been extracted from three dimensional front-face fluorescence…”
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Averaging and Stacking Partial Least Squares Regression Models to Predict the Chemical Compositions and the Nutritive Values of Forages from Spectral Near Infrared Data by Lesnoff, Mathieu, Andueza, Donato, Barotin, Charlène, Barre, Philippe, Bonnal, Laurent, Fernández Pierna, Juan Antonio, Picard, Fabienne, Vermeulen, Philippe, Roger, Jean-Michel

“…Partial least square regression (PLSR) is a reference statistical model in chemometrics. In agronomy, it is used to predict components (response variables y)…”
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Visible – Near infrared hyperspectral dataset of healthy and infected apple tree leaves images for the monitoring of apple fire blight by Gaci, Belal, Abdelghafour, Florent, Ryckewaert, Maxime, Mas-Garcia, Silvia, Louargant, Marine, Verpont, Florence, Laloum, Yohana, Moronvalle, Aude, Bendoula, Ryad, Roger, Jean-Michel

“…This dataset consists of three groups of hyperspectral images of apple tree plants. The first group of images consists of a temporal monitoring of seven apple…”
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A review of orthogonal projections for calibration by Roger, Jean‐Michel, Boulet, Jean‐Claude

“…In recent decades, analytical chemistry labs have been populated with machines with less poetic profiles than traditional craft glass appliances. The use of…”
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