Academic literature on the topic 'Lignine – Imagerie'
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Journal articles on the topic "Lignine – Imagerie"
Wajs, Jaroslaw, and Wojciech J. Milczarek. "Detection of surface subsidence using SAR SENTINEL 1A imagery and the DInSAR method – a case study of the Belchatow open pit mine, Central Poland." E3S Web of Conferences 55 (2018): 00004. http://dx.doi.org/10.1051/e3sconf/20185500004.
Full textXu, Yaping, Vivek Shrestha, Cristiano Piasecki, Benjamin Wolfe, Lance Hamilton, Reginald J. Millwood, Mitra Mazarei, and Charles Neal Stewart. "Sustainability Trait Modeling of Field-Grown Switchgrass (Panicum virgatum) Using UAV-Based Imagery." Plants 10, no. 12 (December 11, 2021): 2726. http://dx.doi.org/10.3390/plants10122726.
Full textBratsolis, Emmanuel, Nicholas Madamopoulos, Stavros Perantonis, Antigoni Panagiotopoulou, Panagiota Spastra, Eleni Charou, and Marianthi Stefouli. "Lignite mine monitoring and mapping using freely-available radar and optical satellite imagery." International Journal of Mining and Mineral Engineering 10, no. 2/3/4 (2019): 131. http://dx.doi.org/10.1504/ijmme.2019.10026188.
Full textStefouli, Marianthi, Antigoni Panagiotopoulou, Eleni Charou, Panagiota Spastra, Emmanuel Bratsolis, Nicholas Madamopoulos, and Stavros Perantonis. "Lignite mine monitoring and mapping using freely-available radar and optical satellite imagery." International Journal of Mining and Mineral Engineering 10, no. 2/3/4 (2019): 131. http://dx.doi.org/10.1504/ijmme.2019.104445.
Full textSarp, Gulcan. "Determination of Vegetation Change Using Thematic Mapper Imagery in Afşin-Elbistan Lignite Basin; SE Turkey." Procedia Technology 1 (2012): 407–11. http://dx.doi.org/10.1016/j.protcy.2012.02.092.
Full textDennison, Philip E., Yi Qi, Susan K. Meerdink, Raymond F. Kokaly, David R. Thompson, Craig S. T. Daughtry, Miguel Quemada, et al. "Comparison of Methods for Modeling Fractional Cover Using Simulated Satellite Hyperspectral Imager Spectra." Remote Sensing 11, no. 18 (September 4, 2019): 2072. http://dx.doi.org/10.3390/rs11182072.
Full textDissertations / Theses on the topic "Lignine – Imagerie"
Morel, Oriane. "Characterization of the spatial distribution of lignins in plant cell walls using chemical reporters and Raman." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILS118.
Full textLignin is a polyphenolic polymer of the cell wall involved in many aspects of growth and development in higher plants. As a major component of lignocellulosic biomass, it is also of economic interest. Although the biosynthesis of the lignin polymer is relatively well understood, we need to know more about how changes (quantity/structure) to other cell wall polymers (e.g., cellulose, hemicelluloses, pectins) affect lignin production. To provide more information on this question we implemented a two-phase approach based on the use of biological imaging. The first phase involved the development/improvement of different high-resolution complementary imaging techniques. We firstly developed a novel quantitative ratiometric approach (REPRISAL) based on the parametric/artificial intelligence segmentation of confocal microscopy images obtained by lignin chemical reporter bio-orthogonal chemistry. This methodology allowed us to precisely map the lignification capacity of different cell wall layers (cell corner, compound middle lamella and secondary cell wall) in Arabidopsis WT plants and the prx64 mutant. In a second development, we modified the REPRISAL segmentation algorithim thereby enabling it to be used to map relative cell wall lignin levels determined by the ratiometric safranin-O fluorescence technique. Finally, we used Raman imaging to compare the ability of three different multivariate analytical methods (unmixing, cluster analysis and orthogonal matching) to provide detailed spatial information about the distribution of different polymers in plant cell walls. In the second phase we used the developed/improved imaging techniques to analyse whether changes to cell wall hemicelluloses affect lignification in the Arabidopsis irx9 mutant. Our results demonstrated that changes in the distribution of cell wall hemicelluloses do indeed modify the lignification process, particularly in the younger parts of the plant floral stem. Targeted transcriptomics of selected cell wall genes suggested that the observed changes could be related to the induction of a defence response. Overall, the techniques developed within the framework of this thesis should prove valuable for future studies of cell wall dynamics. The results obtained on the irx9 mutant provide a novel insight into the dynamic relationships that exist between different polymers of the plant cell wall
Audier, Xavier. "Spectroscopie Raman stimulée rapide et imagerie spectrale." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0580/document.
Full textCombining microscopy and spectroscopy, one can achieve spectrally resolved imaging, and provide a solution to various chemical, biological, or medical challenges. Coherent Raman scattering (CRS) has proven extremely valuable in providing chemical information, with a higher resolution and shorter acquisition time than spontaneous Raman scattering. The acquisition rate of the spectral information from a sample remains the limiting factor of CRS imaging, and several experimental schemes are being investigated to push the technology toward higher imaging frame rates. This work develops one such scheme. Combining stimulated Raman scattering (a CRS technique), spectral focusing with chirped pulses, and a fast acousto-optic delay line, we achieved unprecedented spectral acquisition rates. The theoretical, technological, and engineering frameworks enabling such acquisition are described in details. The application to pharmaceutical quality control, time resolved chemical transformations, biology, and histology are demonstrated
Yousef, Ibraheem. "Simulation et conception d'une ligne de lumière infrarouge pour SESAME : application en microspectroscopie et imagerie." Paris 6, 2011. http://www.theses.fr/2011PA066611.
Full textSauvage, Jack. "Imagerie ultrasonore ultrarapide 4D par adressage orthogonal du réseau de sonde matricielle : adressage Ligne-Colonne." Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS535.
Full textWith the advent of 4D ultrafast imaging at the Physics for Medicine Inserm 1273 laboratory, the ability to acquire in all three dimensions and with a high spatio-temporal resolution has been demonstrated. Several of the most effective 2D ultrafast imaging modalities have been extended to volume imaging (3D ultrasensitive power Doppler, 3D elastography ...). Their dissemination in clinic would greatly benefit to physicians. However the necessary means to implement ultrafast 4D are still too heavy and costly to hope for a transposition in the short or mid-term to the radiology departments. Developing smart strategies to reduce channel number has become a central issue. An original strategy based on the probe architecture consists of orthogonal row and column addressing of the Matrix Probe array, the Row and Column Adressing RCA. It offers a transducer solution perfectly adapted with ultra-fast plane waves imaging. With this approach, the probe can be driven by a single standard ultrasound unit, while maintaining a large aperture. The 2D matrix grid is organized according to N + N orthogonal channels, thus representing a reduction factor of N / 2. This strategy presents an important paradigm shift of imaging by dissociation of the focus pathways in transmission and reception and offers a new compromise in terms of spatio-temporal resolution. During this thesis work, the performances of the RCA associated with the ultra fast 4D imaging are studied for various cases. The principle of 4D ultrafast RCA imaging with orthogonal summation OPW are studied. 3D vector imagery for RCA is developed. A new high frequency RCA probe prototype (15MHz) is presented and tested on a 3D functional brain imaging protocol. Finally, a new modality of 3D imaging of the flux intensity is presented offering a new way of exploitation for the RCA probe
Levrier, Olivier. "Aspects en imagerie par resonance magnetique des tumeurs supratentorielles de la ligne mediane chez l'adulte." Aix-Marseille 2, 1990. http://www.theses.fr/1990AIX20834.
Full textDavis, Arthur. "Tomographie par cohérence optique confocale en ligne multimodale pour le diagnostic non invasif des cancers cutanés." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLO004/document.
Full textSkin cancer is a major public health issue. Among all types of cancer, skin cancer has the highest prevalence rate and the number of cases seems to be steadily increasing. Currently, the gold standard of skin cancer diagnosis requires a sample of suspicious tissue, called a biopsy, removed after a simple visual inspection of the patient's skin. Consequently, almost 60 % of biopsies result in benign diagnoses, and approximately 20 % of all skin cancers are missed.The research presented in this thesis revolves around the development of a line-field confocal optical coherence tomography (LC-OCT) device capable of producing non-invasive in vivo images similar in quality to histological cuts. The designed prototype operates at a center wavelength around 800 nm with a spectral width of approximately 150 nm. It has been applied to in vivo skin imaging with an almost isotropic spatial resolution of about 1 µm and a depth penetration reaching 400 µm. This device could thus be used to improve the efficiency of skin cancer diagnosis by limiting the number of undiagnosed cases and the number of unnecessary biopsies.We then present a LC-OCT device system operating in two spectral bands centered around 770 nm and 1250 nm. The first band produces high resolution images (1.3 µm x 1.2 µm, lateral x axial) while the second provides enhanced penetration depth (700 µm). By merging the images acquired in the two bands it has been possible to produce images with both high resolution and high penetration. Moreover, acquiring images of a sample in two different spectral bands can give, to a certain extent, information on the spectral properties of the sample.Lastly, we present a proof-of-concept LC-OCT prototype coupled together with a Raman microscope, as well as some application examples. Raman microscopy is a spectroscopic method capable of identifying molecules present in a sample and thus measuring the "fingerprint" of a sample. This modality could then provide complementary information to the morphological images provided by LC-OCT about the biomolecular composition of the sample
Salazar, Cardozo Ruben Emilio. "Multiplexeur planaire : pour la mesure du champ diffracté en imagerie micro-onde." Grenoble INPG, 1989. http://www.theses.fr/1989INPG0011.
Full textAlmar, Rafael. "Morphodynamique littorale haute fréquence par imagerie vidéo." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13840/document.
Full textThis thesis presents a study on short term (day to month) beach dynamic. Until the emergence of video systems, and despite its major role, this dynamic remained mainly unknown due to the lack of a suited observation technology. The new possibilities allowed by video imagery, comprising high-frequency observation, are revolutionary. In this thesis, a tool is introduced that, from the measure of nearshore hydrodynamics, estimates accurately nearshore topography for a large area (km) and at high frequency (day). This thesis shows that nearshore sand features interact and cannot be studied in isolation. We show that sand features dynamic can be dominantly non-uniform in the longshore direction, even for large waves. This dynamic is crucial because it contributes to cross-shore sand exchanges. For a double-barred beach, more than wave height, tidal range variations drive inner bar dynamic during stormy conditions. Our results suggest that a large part of the beach temporal variability is short term
Zontone, Federico. "Imagerie par diffraction ("topographie") à l'installation européenne de rayonnement synchrotron ("ESRF") : ligne de lumière, possibilités et premières expériences." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10037.
Full textDib, Mohammad. "Réseau d'antennes dérivées de la ligne à fente pour la mesure du champ diffracté en imagerie biologique micro-onde." Grenoble INPG, 1987. http://www.theses.fr/1987INPG0097.
Full textBook chapters on the topic "Lignine – Imagerie"
"Compléments en ligne." In Imagerie Sénologique, viii. Elsevier, 2020. http://dx.doi.org/10.1016/b978-2-294-76349-6.09987-7.
Full text"ÉLÉMENTS EN LIGNE." In Imagerie Thoracique, XVI. Elsevier, 2013. http://dx.doi.org/10.1016/b978-2-294-71321-7.50007-0.
Full text"Table des compléments en ligne." In Imagerie Cardiaque, ix—x. Elsevier, 2021. http://dx.doi.org/10.1016/b978-2-294-76723-4.09985-2.
Full text"Compléments en ligne." In Neuro-Imagerie Diagnostique, xvi. Elsevier, 2018. http://dx.doi.org/10.1016/b978-2-294-75394-7.09985-9.
Full text"Table des compléments en ligne." In Cas Cliniques en Imagerie Osteoarticulaire : Membre Inferieur, xiii. Elsevier, 2018. http://dx.doi.org/10.1016/b978-2-294-75966-6.09993-2.
Full textMOMEY, Fabien, Thomas OLIVIER, and Corinne FOURNIER. "Reconstruction d’échantillons en microscopie holographique numérique en ligne." In Imageries optiques non conventionnelles pour la biologie, 103–41. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9132.ch4.
Full textConference papers on the topic "Lignine – Imagerie"
Kotaridis, Ioannis, and Maria A. Lazaridou. "Satellite imagery segmentation in lignite mine areas." In Eighth International Conference on Remote Sensing and Geoinformation of the Environment (RSCy2020), edited by Kyriacos Themistocleous, Silas Michaelides, Vincent Ambrosia, Diofantos G. Hadjimitsis, and Giorgos Papadavid. SPIE, 2020. http://dx.doi.org/10.1117/12.2570751.
Full textChevrel, S., V. Kopackova, C. Fischer, E. Ben Dor, S. Adar, Y. Shkolnisky, and J. Misurec. "Mapping Minerals, Vegetation Health and Change Detection over the Sokolov Lignite Mine Using Multidate Hyperspectral Airborne Imagery." In Remote Sensing 2012. Netherlands: EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20143282.
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