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Artykuły w czasopismach na temat „Localisation inverse”

Autor: Grafiati

Data publikacji: 11 stycznia 2025

Data aktualizacji: 31 lipca 2025

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1

Park, Kyu-Won, Juman Kim, Jisung Seo, Songky Moon, and Kabgyun Jeong. "Indicators of wavefunction (de)localisation for avoided crossing in a quadrupole quantum billiard." Journal of Physics Communications 5, no. 11 (2021): 115009. http://dx.doi.org/10.1088/2399-6528/ac34a3.

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Abstract The relationship between wavefunction (de)localisation and avoided crossing in a quadrupole billiard is analysed. The following three-types of measures are employed for wavefunction (de)localisation: inverse participation ratio, inverse of Rényi entropy, and root-mean-square (RMS) image contrast. All these measures exhibit minimal values at the centre of the avoided crossing, where the wavefunction is maximally delocalised. Our results indicate that these quantities can be sufficient for the indication of wavefunction (de)localisation.

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Baydoun, Ibrahim. "Localisation Inverse Problem of Absorbing Laplacian Transport." Journal of Modern Physics 04, no. 05 (2013): 572–78. http://dx.doi.org/10.4236/jmp.2013.45080.

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Velísková, Yvetta, Marek Sokáč, and Maryam Barati Moghaddam. "Inverse task of pollution spreading – Localization of source in extensive open channel network structure." Journal of Hydrology and Hydromechanics 71, no. 4 (2023): 475–85. http://dx.doi.org/10.2478/johh-2023-0029.

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Abstract This paper is focused on the problem of the pollutant source localisation in streams in other words the solution of the inverse problem of pollution spreading with in an extensive open channel network structure, i.e. in a complex system of rivers, channels and creeks in natural catchments or sewer systems in urban catchments. The design of the overall localisation procedure is based on the requirement that the entire localization system be operative and fast enough to enable quick operative interventions and help prevent the spread of pollution. The proposed model, as well as, the ove

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4

Vogeleer, Svetlana. "Quand inverse." Revue québécoise de linguistique 26, no. 1 (2009): 79–101. http://dx.doi.org/10.7202/603145ar.

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RÉSUMÉL’objectif de l’étude est d’établir les conditions sémantiques, discursives et pragmatiques qui favorisent ou, au contraire, empêchent l’interprétation dite « inverse » de la subordonnée temporelle postposée introduite parquandoulorsque. Les phrases à subordonnée temporelle postposée qui permettent une interprétation « inverse » sont soumises au traitement à l’aide du concept de point de vue. Ce traitement vise à mettre en évidence le rapport entre la localisation spatio-temporelle du sujet de conscience (porteur du point de vue) et la possibilité de l’interprétation « inverse » de la su

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5

Spencer, Troy A., Rodney A. Walker, and Richard M. Hawkes. "Inverse Diffraction Parabolic Wave Equation Localisation System (IDPELS)." Journal of Global Positioning Systems 4, no. 1&2 (2005): 245–57. http://dx.doi.org/10.5081/jgps.4.1.245.

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6

Carboni, Margherita, Denis Brunet, Martin Seeber, Christoph M. Michel, Serge Vulliemoz, and Bernd J. Vorderwülbecke. "Linear distributed inverse solutions for interictal EEG source localisation." Clinical Neurophysiology 133 (January 2022): 58–67. http://dx.doi.org/10.1016/j.clinph.2021.10.008.

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7

Bonin-Font, F., A. Burguera, A. Ortiz, and G. Oliver. "Concurrent visual navigation and localisation using inverse perspective transformation." Electronics Letters 48, no. 5 (2012): 264. http://dx.doi.org/10.1049/el.2011.3577.

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8

Anderssen, R. S., B. G. Osborne, and I. J. Wesley. "The Application of Localisation to near Infrared Calibration and Prediction through Partial Least Squares Regression." Journal of Near Infrared Spectroscopy 11, no. 1 (2003): 39–48. http://dx.doi.org/10.1255/jnirs.352.

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Near infrared (NIR) calibration and prediction represents a strategy for solving the inverse problem of determining the input sample property from its output NIR spectrum. The spectrum is an indirect measurement of the property that has been smoothed, leading to a loss of information. As a result, small changes in the spectra can, on occasions, correspond to large changes in the property. However, the well-established mathematical theory of regularisation has been developed for the solution of indirect measurement and inverse problems. Regularisation seeks an approximation to the input that si

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9

Převorovský, Z., S. Hirsekorn, J. Krofta, J. Kober, Z. Dvořáková, and M. Chlada. "Localisation of continuous acoustic emission sources using time-reversal signal processing." Insight - Non-Destructive Testing and Condition Monitoring 67, no. 3 (2025): 140–43. https://doi.org/10.1784/insi.2025.67.3.140.

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Reliable acoustic emission (AE) source localisation is one of the most important inverse problems in non-destructive testing (NDT) and structural health monitoring of engineering structures. Standard AE source localisation techniques often fail when applied to complicated structures that exhibit wave dispersion, velocity and/or geometry changes. The localisation of continuous AE signals, for example generated by leakage, is still a challenge compared to the localisation of short-burst signal sources. An effective tool to overcome these problems is time-reversal (TR) signal processing, which re

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10

De Meutter, Pieter, Ian Hoffman, and Andy W. Delcloo. "A baseline for source localisation using the inverse modelling tool FREAR." Journal of Environmental Radioactivity 273 (March 2024): 107372. http://dx.doi.org/10.1016/j.jenvrad.2024.107372.

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11

Pérez, R., V. Puig, J. Pascual, A. Peralta, E. Landeros, and Ll Jordanas. "Pressure sensor distribution for leak detection in Barcelona water distribution network." Water Supply 9, no. 6 (2009): 715–21. http://dx.doi.org/10.2166/ws.2009.372.

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This paper proposes a leakage detection method based on detecting significant discrepancies between pressure measurements and their estimations obtained from the simulation of a calibrated water distribution network model. Every sensor in the network will allow to detect a discrepancy in pressure due to leakage depending on its location. Then, a set of well distributed pressure sensors will generate a leakage signature that allows leakage localisation. This paper presents the methodology used in the Barcelona network for distributing properly the sensors for a good discrimination in the leakag

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12

Baydoun, Ibrahim. "Localisation Inverse Problem and Dirichlet-to-Neumann Operator for Absorbing Laplacian Transport." Journal of Modern Physics 04, no. 06 (2013): 772–79. http://dx.doi.org/10.4236/jmp.2013.46106.

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13

Partridge, P. W., and L. C. Wrobel. "An inverse geometry problem for the localisation of skin tumours by thermal analysis." Engineering Analysis with Boundary Elements 31, no. 10 (2007): 803–11. http://dx.doi.org/10.1016/j.enganabound.2007.02.002.

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14

Phillips, Christophe, Michael D. Rugg, and K. J. Friston. "Systematic noise regularisation for linear inverse solution of the source localisation problem in EEG." NeuroImage 13, no. 6 (2001): 220. http://dx.doi.org/10.1016/s1053-8119(01)91563-0.

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15

Dell’Aversano, Angela, Giovanni Leone, and Raffaele Solimene. "Comparing Two Approaches for Point-Like Scatterer Detection." International Journal of Antennas and Propagation 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/139235.

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Many inverse scattering problems concern the detection and localisation of point-like scatterers which are sparsely enclosed within a prescribed investigation domain. Therefore, it looks like a good option to tackle the problem by applying reconstruction methods that are properly tailored for such a type of scatterers or that naturally enforce sparsity in the reconstructions. Accordingly, in this paper we compare the time reversal-MUSIC and the compressed sensing. The study develops through numerical examples and focuses on the role of noise in data and mutual coupling between the scatterers.

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16

Magnani, Ivana, Chiara Novielli, Laura Fontana, et al. "Differential Signature of the Centrosomal MARK4 Isoforms in Glioma." Analytical Cellular Pathology 34, no. 6 (2011): 319–38. http://dx.doi.org/10.1155/2011/206756.

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Background: MAP/microtubule affinity-regulating kinase 4 (MARK4) is a serine-threonine kinase expressed in two spliced isoforms, MARK4L and MARK4S, of which MARK4L is a candidate for a role in neoplastic transformation. Methods: We performed mutation analysis to identify sequence alterations possibly affecting MARK4 expression. We then investigated the MARK4L and MARK4S expression profile in 21 glioma cell lines and 36 tissues of different malignancy grades, glioblastoma-derived cancer stem cells (GBM CSCs) and mouse neural stem cells (NSCs) by real-time PCR, immunoblotting and immunohistochem

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17

Nikitenko, Agris, Aleksis Liekna, Martins Ekmanis, Guntis Kulikovskis, and Ilze Andersone. "Single Robot Localisation Approach for Indoor Robotic Systems through Integration of Odometry and Artificial Landmarks." Applied Computer Systems 14, no. 1 (2013): 50–58. http://dx.doi.org/10.2478/acss-2013-0006.

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Abstract we present an integrated approach for robot localization that allows to integrate for the artificial landmark localization data with odometric sensors and signal transfer function data to provide means for different practical application scenarios. The sensor data fusion deals with asynchronous sensor data using inverse Laplace transform. We demonstrate a simulation software system that ensures smooth integration of the odometry-based and signal transfer - based localization into one approach.

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18

Ulimoen, Magnus, and Heiko Klein. "Localisation of atmospheric release of radioisotopes using inverse methods and footprints of receptors as sources." Journal of Hazardous Materials 451 (June 2023): 131156. http://dx.doi.org/10.1016/j.jhazmat.2023.131156.

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19

Tondin Ferreira Dias, Eduardo, Hugo Vieira Neto, and Fábio Kurt Schneider. "A Compressed Sensing Approach for Multiple Obstacle Localisation Using Sonar Sensors in Air." Sensors 20, no. 19 (2020): 5511. http://dx.doi.org/10.3390/s20195511.

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Methods for autonomous navigation systems using sonars in air traditionally use the time-of-flight technique for obstacle detection and environment mapping. However, this technique suffers from constructive and destructive interference of ultrasonic reflections from multiple obstacles in the environment, requiring several acquisitions for proper mapping. This paper presents a novel approach for obstacle detection and localisation using inverse problems and compressed sensing concepts. Experiments were conducted with multiple obstacles present in a controlled environment using a hardware platfo

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20

Rejani, Sofia, Abdellatif Khamlichi, and Abdellah El-Hajjaji. "Robustness of ultrasonic detection of flaws by using synthetic aperture focusing technique." MATEC Web of Conferences 191 (2018): 00012. http://dx.doi.org/10.1051/matecconf/201819100012.

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One of the challenging problems in non-destructive evaluation is related to identification and sizing of flaws. A high resolution image of the scanned part is required. This allows, through using adequate post-processing of data, to perform localisation and sizing of a flaw. Several techniques have been introduced recently for this purpose. These include among others the synthetic aperture focusing technique, inverse wave-field extrapolation and the total focusing method. However, large uncertainties are affecting the inverse problem solution as provided by these methods when dealing with smal

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21

Laville, Bastien, Laure Blanc-Féraud, and Gilles Aubert. "Off-The-Grid Variational Sparse Spike Recovery: Methods and Algorithms." Journal of Imaging 7, no. 12 (2021): 266. http://dx.doi.org/10.3390/jimaging7120266.

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Gridless sparse spike reconstruction is a rather new research field with significant results for the super-resolution problem, where we want to retrieve fine-scale details from a noisy and filtered acquisition. To tackle this problem, we are interested in optimisation under some prior, typically the sparsity i.e., the source is composed of spikes. Following the seminal work on the generalised LASSO for measures called the Beurling-Lasso (BLASSO), we will give a review on the chief theoretical and numerical breakthrough of the off-the-grid inverse problem, as we illustrate its usefulness to the

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22

Baker, C. R., and V. Hardy. "Provision of IMRT in the UK. Part 1: A review of planning, delivery and related technologies." Journal of Radiotherapy in Practice 3, no. 4 (2003): 175–80. http://dx.doi.org/10.1017/s1460396903000529.

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The concept of intensity-modulated radiotherapy is now familiar to everyone working in radiotherapy in the UK. To date however, the majority of UK radiotherapy departments have yet to offer this technique clinically. Implementation of IMRT represents a significant change in practice from the delivery of conventional or conformal treatment, requiring careful planning and a full understanding of the issues and new technology involved.This paper provides a review of the stages involved in the IMRT process; from localisation and immobilisation through inverse treatment planning and quality control

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23

Bos, Frédéric, Laurent Le Magorou, and Frédéric Rouger. "An approach to viscoelastic behaviour analysis of wood-based panels by an inverse method of characterisation." Holzforschung 59, no. 5 (2005): 546–51. http://dx.doi.org/10.1515/hf.2005.090.

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Abstract The main objective of this paper is to propose an alternative method for viscoelastic characterisation of wood-based panels. Our approach, based on inverse identification methods, allows simultaneous estimation of the whole bending/torsion stiffness matrix of orthotropic plates. Elastic or viscoelastic characterisations are carried out according to the same protocol. The first step consists of optimisation of the experimental set-up, i.e., determination of the best localisation and intensity of the applied stresses and of the best position for boundary conditions. This step is realise

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24

Mitra, Sachinath, Tapan Pal, and Taraknath Pal. "Electron “localisation” at B-site: A concomitant process for oxidation of Cr-spinels to a “partly inverse” form." Solid State Communications 77, no. 4 (1991): 297–301. http://dx.doi.org/10.1016/0038-1098(91)90838-m.

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Venditti, Paola, Paolo Bergamo, Riccardo Talevi, Giovanni sansone, and Paolo Abrescia. "Localisation and capacitation-dependent loss of buffalo sperm-coating antigens shared with rat sperm." Zygote 2, no. 1 (1994): 5–13. http://dx.doi.org/10.1017/s0967199400001714.

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SummaryThe heterodimeric sperm-coating protein CFS was previously localised on the middle-piece region of rat spermatozoa by anti-CFS rabbit antibodies. CFS-immunorelated antigens were detected in the secretion of the water buffalo seminal vesicle by protein electrophoresis and Western blotting. Spermatozoa from buffalo epididymal cauda were incubated with the rat antigen and, upon immunostaining with anti-CFS antibodies and goat anti-rabbit fluorescein isothiocyanate (FITC)-conjugated IgGs, CFS was found attached on both the post-acrosomal region and the tail. Indirect immunofluorescence anal

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26

Vanni, S. "A Neuromagnetic View of the Human Visual Brain." Perception 26, no. 1_suppl (1997): 25. http://dx.doi.org/10.1068/v970022.

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A visual stimulus typically activates several cortical areas, both sequentially and overlapping in time. Characterisation of this temporal activation sequence has significantly improved with the recent development of whole-scalp neuromagnetometers. The magnetoencephalographic (MEG) signals mainly arise from time-locked cortical activity. Although the spatial localisation of several simultaneously active areas is ambiguous because of the non-uniqueness of the inverse problem, the comparison of estimated source regions across observers and utilisation of previous functional knowledge can usually

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Holder, D. S., M. Mansouri, and C. Binnie. "Experimental validation of the localisation accuracy of inverse dipole modelling of the EEG in a saline filled spherical tank." Electroencephalography and Clinical Neurophysiology 98, no. 2 (1996): P2. http://dx.doi.org/10.1016/0013-4694(96)84517-2.

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Pal, Tapan, Hi-Soo Moon, and Sachinath Mitra. "Distribution of Iron Cations in Natural Chromites at Different Stages of Oxidatio - A57Fe Mossbauer Investigation." Journal Geological Society of India 44, no. 1 (1994): 53–64. http://dx.doi.org/10.17491/jgsi/1994/440105.

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Abstract 57Fe Mossbauer spectroscopic investigation of natural chromites from two chromite deposits of India (Sukinda and Byrapur) documents partly inverse spinel structure arising out of oxidation. The spectral fitting was based on allowing a disordering distribution of Fe2+ and Fe3+ ions at tetrahedral (A) and octahedral (B) sites. Mossbauer investigation of the samples taken from the physico-chemically distinct two horizons of Sukinda viz. brown are and grey ores, and Byrapur area revealed three types of iron ion distribution as: Fe2+(A), Fe3+(A) and Fe2+(B) (GC-group); (b) Fe3+(A1), Fe3+(A

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Cruz Ulloa, Christyan, Anne Krus, Antonio Barrientos, Jaime Del Cerro, and Constantino Valero. "Robotic Fertilisation Using Localisation Systems Based on Point Clouds in Strip-Cropping Fields." Agronomy 11, no. 1 (2020): 11. http://dx.doi.org/10.3390/agronomy11010011.

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The use of robotic systems in organic farming has taken on a leading role in recent years; the Sureveg CORE Organic Cofund ERA-Net project seeks to evaluate the benefits of strip-cropping to produce organic vegetables. This includes, among other objectives, the development of a robotic tool that facilitates the automation of the fertilisation process, allowing the individual treatment (at the plant level). In organic production, the slower nutrient release of the used fertilisers poses additional difficulties, as a tardy detection of deficiencies can no longer be corrected. To improve the dete

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Kitoto, Patrick Arnold Ombiono. "Un réexamen du lien entre la taille de l’exploitation et la productivité agricole au Sahel camerounais." Économie rurale 385, no. 3 (2023): 45–61. https://doi.org/10.3917/ecru.385.0045.

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Cet article examine les déterminants de la productivité agricole dans la zone sahélienne camerounaise, particulièrement le lien entre la taille des exploitations (TE) et la productivité agricole de la terre (PT). La démarche méthodologique repose sur des données secondaires issues d’une enquête réalisée dans le département du Logone et Chari et sur la méthode des moindres carrés ordinaires. Tout d’abord, l’auteur trouve une relation en forme de U entre la PT et la TE, contrairement au constat empirique d’une relation inverse établie dans la plupart des pays en développement. Ce résultat indiqu

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McCann, Hannah, and Leandro Beltrachini. "Impact of skull sutures, spongiform bone distribution, and aging skull conductivities on the EEG forward and inverse problems." Journal of Neural Engineering 19, no. 1 (2022): 016014. http://dx.doi.org/10.1088/1741-2552/ac43f7.

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Abstract Objective. Source imaging is a principal objective for electroencephalography (EEG), the solutions of which require forward problem (FP) computations characterising the electric potential distribution on the scalp due to known sources. Additionally, the EEG-FP is dependent upon realistic, anatomically correct volume conductors and accurate tissue conductivities, where the skull is particularly important. Skull conductivity, however, deviates according to bone composition and the presence of adult sutures. The presented study therefore analyses the effect the presence of adult sutures

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32

MARTINS, ANA RITA, TERESA MONTEIRO FERNANDES, and DAVID RAIMUNDO. "EXTENSION OF FUNCTORS FOR ALGEBRAS OF FORMAL DEFORMATION." Glasgow Mathematical Journal 56, no. 1 (2013): 103–41. http://dx.doi.org/10.1017/s0017089513000116.

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AbstractSuppose we are given complex manifoldsXandYtogether with substacks$\mathcal{S}$and$\mathcal{S}'$of modules over algebras of formal deformation$\mathcal{A}$onXand$\mathcal{A}'$onY, respectively. Also, suppose we are given a functor Φ from the category of open subsets ofXto the category of open subsets ofYtogether with a functorFof prestacks from$\mathcal{S}$to$\mathcal{S}'\circ\Phi$. Then we give conditions for the existence of a canonical functor, extension ofFto the category of coherent$\mathcal{A}$-modules such that the cohomology associated to the action of the formal parameter$\hba

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Butz, Henriett, Viktória Vereczki, Barna Budai, et al. "Glucocorticoid Receptor Isoforms in Breast Cancer Raise Implications for Personalised Supportive Therapies." International Journal of Molecular Sciences 25, no. 21 (2024): 11813. http://dx.doi.org/10.3390/ijms252111813.

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Glucocorticoid receptor (GR) activation may promote metastasis in oestrogen receptor-negative and triple-negative breast cancer (TNBC). However, the role of the GRβ isoform, which has opposing effects to the main isoform, has not been studied in clinical samples. We aimed to analyse the intracellular localisation of total GR and GRβ in vitro using plasmid constructs and fluorescent immunocytochemistry. Additionally, our goal was to perform immunostaining for total GR and GRβ on two cohorts: (i) on 194 clinical breast cancer samples to compare the expression in different molecular subtypes, and

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Korda, David, Michal Švanda, and Junwei Zhao. "Comparison of time–distance inversion methods applied to SDO/HMI Dopplergrams." Astronomy & Astrophysics 629 (September 2019): A55. http://dx.doi.org/10.1051/0004-6361/201936268.

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Context. The Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory (SDO) satellite has been observing the Sun since 2010. The uninterrupted series of Dopplergrams are ideal for studying the dynamics of the upper solar convection zone. Within the Joint Science Operations Center (JSOC) the time–distance inversions for flows and sound-speed perturbations were introduced. The automatic pipeline has produced flow and sound-speed maps every 8 h. We verify the results of JSOC inversions by comparing the data products to equivalent results from inverse modelling obtained by an

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McDonald, Thomas, Mark Robinson, and GuiYun Tian. "Spatial resolution enhancement of rotational-radar subsurface datasets using combined processing method." Journal of Physics: Conference Series 2090, no. 1 (2021): 012001. http://dx.doi.org/10.1088/1742-6596/2090/1/012001.

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Abstract Effective visualisation of railway tunnel subsurface features (e.g. voids, utilities) provides critical insight into structural health and underpins planning of essential targeted predictive maintenance. Subsurface visualisation here utilises a rotating ground penetrating radar antenna system for 360° point cloud data capture. This technology has been constructed by our industry partner Railview Ltd, and requires the development of complimentary signal processing algorithms to improve feature localisation. The main novelty of this work is extension of Shrestha and Arai’s Combined Proc

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Erice, Borja, Daniel Thomson, Sathiskumar A. Ponnusami, Mehtab V. Pathan, and Nik Petrinic. "On the Rate-dependent Plasticity Modelling of Unidirectional Fibre-reinforced Polymeric Matrix Composites." EPJ Web of Conferences 183 (2018): 01055. http://dx.doi.org/10.1051/epjconf/201818301055.

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Three different approaches to plasticity are investigated to model the experimentally-observed non-linear behaviour of unidirectional fibre-reinforced polymeric matrix materials. The first and simplest approach consists on assuming independent one-dimensional rate-dependent plasticity on in-plane (12) and through-thickness longitudinal (13) shear components of the Cauchy stress tensor. The second, employs a 3D extension of the plane stress Hill’48 anisotropic plastic surface. The third and the last is formulated as a quadratic yield function inspired by Puck’s fracture initiation criterion. It

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CHAMBON, Joannès, Paillasseur SéBASTIEN, Olivier MINCK, Jeroen LANSLOTS, and Laurent DE RYCK. "Assessment of planar array accuracy for 3D sound source reconstruction with Bayesian Focusing." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 7 (2024): 4551–59. http://dx.doi.org/10.3397/in_2024_3477.

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As planar microphone arrays were initially designed for bidimensional sound source localisation, their use for three-dimensional acoustic imaging consistently suffers from a poor resolution along the normal axis. Such a statement is already well documented for beamforming approaches and their declensions. Bearing this in mind, this paper delves into the possibilities offered by inverse methods and especially iterative Bayesian Focusing to tackle this issue and deliver accurate source positions in three dimensions based on planar array measurements only. To this end, an experimental set up is d

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Friedlein, Johannes, Max Böhnke, Malte Schlichter, et al. "Material Parameter Identification for a Stress-State-Dependent Ductile Damage and Failure Model Applied to Clinch Joining." Journal of Manufacturing and Materials Processing 8, no. 4 (2024): 157. http://dx.doi.org/10.3390/jmmp8040157.

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Similar to bulk metal forming, clinch joining is characterised by large plastic deformations and a variety of different 3D stress states, including severe compression. However, inherent to plastic forming is the nucleation and growth of defects, whose detrimental effects on the material behaviour can be described by continuum damage models and eventually lead to material failure. As the damage evolution strongly depends on the stress state, a stress-state-dependent model is utilised to correctly track the accumulation. To formulate and parameterise this model, besides classical experiments, so

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Sharpley, Christopher F., Ian D. Evans, Vicki Bitsika, Wayne M. Arnold, Emmanuel Jesulola, and Linda L. Agnew. "Frontal Alpha Asymmetry Argues for the Heterogeneity of Psychological Resilience." Brain Sciences 13, no. 9 (2023): 1354. http://dx.doi.org/10.3390/brainsci13091354.

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Depression is associated with frontal alpha asymmetry (FAA) and Psychological Resilience (PR), although in different ways. Only cursory attention has been given to how these three constructs interact despite the possible clinical and research implications of those associations. One limitation of recent research into these associations has been conceptualising PR as a unitary construct, whereas it has been shown to be multi-component. This study investigated the underlying components of PR, their correlations with FAA, and the effect that participants’ depressive status had upon those correlati

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Rodriguez, Valeria, Gabriela Diaz de Barboza, Ruben Ponce, Valeria Merico, Silvia Garagna, and Nori Tolosa de Talamoni. "Spermatocyte apoptosis, which involves both intrinsic and extrinsic pathways, explains the sterility of Graomys griseoflavus × Graomys centralis male hybrids." Reproduction, Fertility and Development 22, no. 2 (2010): 478. http://dx.doi.org/10.1071/rd09106.

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Spermatogenic impairment and the apoptotic pathways involved in establishing sterility of male hybrids obtained from crossing Graomys griseoflavus females with Graomys centralis males were studied. Testes from G. centralis, G. griseoflavus and hybrids were compared at different ages. Terminal transferase-mediated dUTP nick-end labelling assay (TUNEL), Fas, Bax and cytochrome c labelling were used for apoptosis evaluation, and calbindin D28k staining as an anti-apoptotic molecule. In 1-month-old animals, spermatocytes were positive for all apoptotic markers, but moderate TUNEL (+) spermatocyte

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Farrag, K., J. Woldeab, J. M. Stein, and A. Aksan. "P642 Crossroads of vitamin B6 deficiency and inflammation in inflammatory bowel disease: Preliminary results of a cross-sectional study." Journal of Crohn's and Colitis 16, Supplement_1 (2022): i558—i559. http://dx.doi.org/10.1093/ecco-jcc/jjab232.764.

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Abstract Background The robust relationship between vitamin B6 and inflammation has become apparent over the last decade. However, the mechanistic nature of this relationship remains unclear. Evidence suggests an inverse relationship between blood levels of B6 and inflammation, but also a potential two-way relationship between the two. Thus, whereas inflammation can deplete serum vitamin B6, vitamin B6 insufficiency can attenuate inflammation. This study aimed to assess vitamin B status in patients with IBD in routine clinical practice and identify possible relationships between vitamin B6 sta

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Pilia, Nicolas, Christian Ritter, Danila Potyagaylo, Walther H. W. Schulze, Olaf Dössel, and Gustavo Lenis. "Determination of the excitation origin in the ventricles from the ECG using support vector regression." Current Directions in Biomedical Engineering 3, no. 2 (2017): 257–60. http://dx.doi.org/10.1515/cdbme-2017-0180.

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AbstractA common treatment of focal ventricular tachycardia is the catheter ablation of triggering sites. They have to be found manually by the physician during an intervention in a catheter lab. Thus, a method for determining the position of the focus automatically is desired. The inverse problem of electrocardiography addresses this problem by reconstructing the source of the ectopic beats using the surface ECG. This problem is ill-posed and therefore needs specific methods for solving it. We propose a machine learning approach for localisation of the ectopic foci in the heart to assist card

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Min, Haigen, Xia Wu, Chaoyi Cheng, and Xiangmo Zhao. "Kinematic and Dynamic Vehicle Model-Assisted Global Positioning Method for Autonomous Vehicles with Low-Cost GPS/Camera/In-Vehicle Sensors." Sensors 19, no. 24 (2019): 5430. http://dx.doi.org/10.3390/s19245430.

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Real-time, precise and low-cost vehicular positioning systems associated with global continuous coordinates are needed for path planning and motion control in autonomous vehicles. However, existing positioning systems do not perform well in urban canyons, tunnels and indoor parking lots. To address this issue, this paper proposes a multi-sensor positioning system that combines a global positioning system (GPS), a camera and in-vehicle sensors assisted by kinematic and dynamic vehicle models. First, the system eliminates image blurring and removes false feature correspondences to ensure the loc

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Bosse, Stefan, Dennis Weiss, and Daniel Schmidt. "Supervised Distributed Multi-Instance and Unsupervised Single-Instance Autoencoder Machine Learning for Damage Diagnostics with High-Dimensional Data—A Hybrid Approach and Comparison Study." Computers 10, no. 3 (2021): 34. http://dx.doi.org/10.3390/computers10030034.

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Structural health monitoring (SHM) is a promising technique for in-service inspection of technical structures in a broad field of applications in order to reduce maintenance efforts as well as the overall structural weight. SHM is basically an inverse problem deriving physical properties such as damages or material inhomogeneity (target features) from sensor data. Often models defining the relationship between predictable features and sensors are required but not available. The main objective of this work is the investigation of model-free distributed machine learning (DML) for damage diagnost

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Zubov, Ilya G. "Method for Automatic Segmentation of Vehicles in Digital Images." Journal of the Russian Universities. Radioelectronics 22, no. 5 (2019): 6–16. http://dx.doi.org/10.32603/1993-8985-2019-22-5-6-16.

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Introduction. Modern systems for active vehicle safety are designed to significantly reduce the number of road accidents. Sensors based on monocular cameras are increasingly being introduced by the world's leading automakers as an effective tool for improving traffic safety. Modern methods of localisation and classification, combined with semantic segmentation algorithms, allow for image division into independent groups of pixels corresponding to each object. However, the problem of developing segmentation algorithms ensuring improved quality of image segmentation remains to be solved.Aim. To

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Boczar, J., A. Dorobczynski, and J. Miakotoi. "Modèle de transfert et de diffusion de masse dans un écoulement, en présence de gradients de vitesse et de gradients du coefficient de diffusion turbulente." Revue des sciences de l'eau 5, no. 3 (2005): 353–79. http://dx.doi.org/10.7202/705136ar.

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Le travail présente un modèle mathématique conceptuel de transfert et de diffusion de masse destiné à l'étude des migrations d'effluents en rivière. Ce modèle prend en compte l'existence d'écoulements cisaillés ainsi que la présence de gradients de diffusion turbulente. Il permet de calculer les champs de concentrations et les valeurs moyennes de concentration à travers toute section transversale de l'écoulement. La localisation et la taille relative du rejet sont respectées. L'influence des rives sur les processus de dispersion est prise en considération.Pour quantifier l'influence des berges

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Graziosi, Francesco, Jgor Arduini, Paolo Bonasoni, et al. "Emissions of carbon tetrachloride from Europe." Atmospheric Chemistry and Physics 16, no. 20 (2016): 12849–59. http://dx.doi.org/10.5194/acp-16-12849-2016.

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Abstract. Carbon tetrachloride (CCl4) is a long-lived radiatively active compound with the ability to destroy stratospheric ozone. Due to its inclusion in the Montreal Protocol on Substances that Deplete the Ozone Layer (MP), the last two decades have seen a sharp decrease in its large-scale emissive use with a consequent decline in its atmospheric mole fractions. However, the MP restrictions do not apply to the use of carbon tetrachloride as feedstock for the production of other chemicals, implying the risk of fugitive emissions from the industry sector. The occurrence of such unintended emis

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Prud’homme, C., S. Espinoza, C. Badoual, O. Laccourreye, P. Bonfils, and D. Malinvaud. "Récidive tardive ou localisation secondaire ? Vers une meilleure compréhension de la physiopathologie du papillome inversé." Annales françaises d'Oto-rhino-laryngologie et de Pathologie Cervico-faciale 130, no. 5 (2013): 295–98. http://dx.doi.org/10.1016/j.aforl.2013.02.008.

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Kowalski, Matthieu, and Alexandre Gramfort. "A priori par normes mixtes pour les problèmes inverses. Application à la localisation de sources en M/EEG." Traitement du signal 27, no. 1 (2010): 53–78. http://dx.doi.org/10.3166/ts.27.53-78.

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Djurdjevic, Gordan. "Solve et Coagula: Attitudes Toward the Ambrosial Aspects of Human Seed in Certain Yogic Traditions and in the Sexual Magick of Aleister Crowley Solve et Coagula: Attitudes envers les aspects ambroisiens de la semence humaine dans certaines traditions yogiques et dans la magie sexuelle d'Aleister Crowley." Aries 10, no. 1 (2010): 85–106. http://dx.doi.org/10.1163/156798910x12584583444952.

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AbstractCertaines traditions du yoga voient dans la semence mâle l'élixir potentiel d'immortalité. L'éjaculation du sperme, lequel devrait retourner à son lieu d'origine, la tête, est une perte de ce potentiel. Dans celle-ci, en effet, cette substance acquiert sa forme subtile par transformation, devenant ainsi l'élixir. La méthode consiste en une spiritualisation du matériel. Cela correspondrait au solve selon la terminologie alchimique.La magie sexuelle d'Aleister Crowley part d'un point de vue similaire, mais ici la méthode se trouve inversée, car la semence est éjectée et consommée. Le spe

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