Academic literature on the topic 'Imagerie en direct'
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Journal articles on the topic "Imagerie en direct"
Billotey, C., and O. Clément. "4429 Imagerie cellulaire in vivo (marquage direct et ciblage)." Journal de Radiologie 87, no. 10 (October 2006): 1186. http://dx.doi.org/10.1016/s0221-0363(06)86671-0.
Full textFenoglietto, P., L. Bedos, O. Chapet, O. Riou, J. Molinier, N. Aillères, and D. Azria. "Suivi en direct du mouvement prostatique par imagerie de basse énergie (kV) pendant la fraction lors d’une arcthérapie volumétrique modulée (VMAT) hypofractionnée." Cancer/Radiothérapie 17, no. 5-6 (October 2013): 601. http://dx.doi.org/10.1016/j.canrad.2013.07.047.
Full textSaadi, Sanae, Driss Khattach, Mohamed Sbaa, Mohamed El Kharmouz, and Olivier Kaufmann. "Reconnaissance par imagerie électrique du site pollué de la décharge publique de la ville d’Oujda (Maroc oriental)." Revue des sciences de l’eau 28, no. 2 (July 7, 2015): 165–77. http://dx.doi.org/10.7202/1032296ar.
Full textDeltour, S. "Prise en charge des infarctus cérébraux." Médecine Intensive Réanimation 27, no. 5 (September 2018): 452–60. http://dx.doi.org/10.3166/rea-2018-0054.
Full textSchmit, Timothy J., Paul Griffith, Mathew M. Gunshor, Jaime M. Daniels, Steven J. Goodman, and William J. Lebair. "A Closer Look at the ABI on the GOES-R Series." Bulletin of the American Meteorological Society 98, no. 4 (April 1, 2017): 681–98. http://dx.doi.org/10.1175/bams-d-15-00230.1.
Full textZou, X., Z. Qin, and Y. Zheng. "Improved Tropical Storm Forecasts with GOES-13/15 Imager Radiance Assimilation and Asymmetric Vortex Initialization in HWRF." Monthly Weather Review 143, no. 7 (July 1, 2015): 2485–505. http://dx.doi.org/10.1175/mwr-d-14-00223.1.
Full textZou, Xiaolei, Zhengkun Qin, and Fuzhong Weng. "Improved Coastal Precipitation Forecasts with Direct Assimilation of GOES-11/12 Imager Radiances." Monthly Weather Review 139, no. 12 (December 1, 2011): 3711–29. http://dx.doi.org/10.1175/mwr-d-10-05040.1.
Full textKangas, Jarkko. "Picturing two modernities." Nordicom Review 40, no. 1 (February 19, 2019): 61–74. http://dx.doi.org/10.2478/nor-2019-0003.
Full textPfurtscheller, G., and C. Neuper. "Motor imagery and direct brain-computer communication." Proceedings of the IEEE 89, no. 7 (July 2001): 1123–34. http://dx.doi.org/10.1109/5.939829.
Full textTurner, Darren, Arko Lucieer, and Luke Wallace. "Direct Georeferencing of Ultrahigh-Resolution UAV Imagery." IEEE Transactions on Geoscience and Remote Sensing 52, no. 5 (May 2014): 2738–45. http://dx.doi.org/10.1109/tgrs.2013.2265295.
Full textDissertations / Theses on the topic "Imagerie en direct"
Hassan, Mohamed. "Imagerie géoélectrique tri-dimensionnelle en contexte volcanique." Brest, 2009. http://www.theses.fr/2009BRES2011.
Full textElectrical imaging (or electrical tomography) is a multidimensional imaging of intrinsic electrical properties of the geolocical environment. In geophysics, this technique allows to convert surface or sub-surface electric data into interpretable images in geological terms. Electrical imaging is frequently used in different fields (hydrogeology, civil engineering, environment, archeology) in a two-dimensional (2d) approach. Assuming the two-dimensional object, this approach may not properly describe the imaged object since most geological structures are three-dimensional (3d). Hence, as the data contain information about the existence of possible 3d structures, an alternative to 2d electrical imaging in order to extract the maximum information from the data is to use a 3d approach. Moreover, for a medium with complex geometry, for example a volcanic environment, a 3d approach is essential. The first part of this dissertation is devoted to methodological development of a 3d modeling tool (direct and inverse) to interpret electrical data collected with undefined distribution of Schlumberger array. A procedure in geophysical interpretation consists of solving two problems: the direct problem and thee inverse problem. In this study, our interpretation algorithm uses a program to solve the direct problem using finite difference. For the minimization part we used a variant of maximum slope method to determine a solution of the inverse problem without the computation of the sensitivity matrix. This 3d interpretation tool is tested and validated wite synthetic data. Then we have applied the technique to real data collected at a large scale (km) on the Djibouti plain. The resulting resistivity models obtained by the 3d inversion of the field electrical data are interpreted in hydrogeological terms. The results highlight conductive units probably brackish water reservoirs isolated by resistive NW-SE structures. The second part of this dissertation deals with an application at a smaller scale, at a Hydrological Experimental Site (SEH) set up within the framework of the Mawari project, on the plain of Djibouti city. A high resolution electrical imaging survey was carried out to understand some characteristics of the aquifer of Djibouti City and the origin of the invasive brackish water. Data collected on this experimental site were interpreted by a 2D and 3D inversion approach using commercial inversion codes (Res2dinv and Res3dinv). The results revealed the presence of a small basin oriented SW-NE which geometry is controlled by a near surface SW-NE fault. The resistivity models obtained also highlighted a conductor in-depth which we associated to a brackish water aquifer. This brackish water aquifer is very localized in the SEH and its reservoir is mainly composed of very porous scoria
Randriantsoa, Daorolala Alexandre. "Estimation du mouvement fondée sur un schéma direct et rétrograde : application à la segmentatio." Bordeaux 1, 2002. http://www.theses.fr/2002BOR12562.
Full textBujoreanu, Denis. "Échographie compressée : Une nouvelle stratégie d’acquisition et de formation pour une imagerie ultrarapide." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEI098/document.
Full textIt is beyond doubt that the relative low cost of ultrasound scanners, the quick procedure and the ability to image soft biological tissues helped ultrasound imaging to become one of the most common medical diagnostic tools. Unfortunately, ultrasound still has some drawbacks when compared to other medical imaging techniques mainly in terms of the provided image quality and details. In the quest for an improved image quality, usually, the price to pay is the drop in the frame acquisition rate. This deep rooted trade-off between the provided image quality and the acquisition time is perhaps one of the most challenging in today’s ultrasound research and its overcoming could lead to diagnostic improvements in the already existing ultrasound applications and even pave the way towards novel uses of echography. This study addresses the previously stated trade-off. Through a mix of such concepts as plane wave imaging, multiple-input /multiple-output systems and inverse problems, this work aims at acquiring ultrasound images of the insonified tissue simultaneously, thus providing an increased frame rate while not degrading the image quality. Through this study we came up with a mathematical model that allows modelling the ultrasound wave propagation inside soft tissues. This model was used to review a great number of existing ultrasound acquisition schemes and to expose their advantages and drawbacks. We proposed to overcome the image quality / frame rate trade-off by using temporally encoded ultrasound waves emitted simultaneously, and the generated direct model enabled the use of different inverse problem approaches in order to reconstruct the pulse-echo impulse response of the insonified medium and thus its image. Moreover, we further improved the direct model, which allowed us to directly link the backscattered echoes to the position / magnitude of the scatterers inside the imaged medium. The results yielded by the inverse problem approaches based on the former model put us face to face with state of the art method that not only increase the image quality several times in terms resolution and speckle coherence but also provide a boost in frame acquisition rate
Milli, Julien. "Caractérisation des disques de débris par imagerie directe et haute résolution angulaire : les performances de NaCo et SPHERE." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENY048/document.
Full textOver the last two and a half decades, the discovery of more than 1800 exoplanets has been a major breakthrough in our understanding of planetary systems. To shed light on the formation and evolution processes of such systems, I have chosen an observational approach based on the study of debris discs. These circumstellar discs are composed of dust particles constantly generated by collisions of small rocky bodies called planetesimals, orbiting a main-sequence star. The stellar light they scatter can be studied from the Earth and reveal a wealth of information on the architecture of the system. These observations are challenging because of the high contrast and the small angular separation between the disc and the star. The recent developments of new high-contrast instruments with extreme adaptive optic systems are therefore bringing new expectations for the study of these systems and set the framework of this PhD thesis. My work aims at characterising debris discs thanks to two instruments installed on the Very Large Telescope: NaCo and SPHERE (Spectro Polarimetric High contrast Exoplanet REsearch). NaCo has been in operation for more than a decade and has undergone many improvements. SPHERE has been designed and assembled in the same period, was intensively tested in laboratory in 2013, and is currently being commissioned on the telescope. The innovative approach of this PhD work is to combine the study of debris discs with strong instrumental expertise to get the best science results from the observations. The first part of the study aims at developing innovative data reduction techniques adapted to the observations of discs in scattered light and to the behaviour of the instrument. I quantify in particular the performances, advantages, and biases of the angular, polarimetric and reference-star differential imaging technique. In a next step, I apply those techniques to characterise two prototypes of debris discs, around the stars beta Pictoris and HR 4796A. A detailed analysis of the morphology is carried out, which reveals new asymmetries interpreted in terms of gravitational perturbers or of dust scattering properties. Lastly, I detail the expected and measured performances of SPHERE, from simulations, laboratory and on-sky measurements. A comparison with NaCo reveals the assets of SPHERE and I conclude with the scientific questions SPHERE will be able to answer with new debris disc observations
Zurlo, Alice. "Characterization of exoplanetary systems with the direct imaging technique : towards the first results of SPHERE at the Very Large Telescope." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4721/document.
Full textIn the year of the 20th anniversary of the discovery of the first extrasolar planet we can count more than 1800 companions found with different techniques. The majority of them are indirect methods that infer the presence of an orbiting body by observing the parent star (radial velocity, transits, astrometry). In this work we explore the technique that permits to directly observe planets and retrieve their spectra, under the conditions that they are bright and far enough from their host star. Direct imaging is a new technique became possible thanks to a new generation of extreme adaptive optics instruments mounted on 8m class telescopes. On the Very Large Telescope two instruments dedicated to the research for exoplanets with direct imaging are now operative: NACO and SPHERE. This thesis will describe the development and results of SPHERE from its predecessor NACO to its integration in laboratory and the final on sky results
Billotey, Claire. "Etude des propriétés des nanoparticules magnétiques anioniques pour l' application au marquage cellulaire direct et la détection in vivo par imagerie par résonance magnétique." Paris 7, 2003. http://www.theses.fr/2003PA077015.
Full textEl, Khalifa Moulay Ahmed. "Amélioration de la qualité des images en tomographie microonde : contribution à une imagerie quantitative." Paris 11, 1989. http://www.theses.fr/1989PA112203.
Full textRatovoson, Domoina. "Propriétés thermomécaniques de la peau et de son environnement direct." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2011. http://tel.archives-ouvertes.fr/tel-00716268.
Full textLei, Ming. "Imagerie 3D d'impédance bioélectrique : problème direct, problème inverse : détermination des lignes de courant en 3D et application de la méthode de la matrice de sensibilité pour la reconstruction d'une image en 3D dans un volume conducteur inhomogène sphérique." Toulouse, INPT, 1995. http://www.theses.fr/1995INPT010H.
Full textGharsalli, Leila. "Approches bayésiennes en tomographie micro-ondes : applications à l'imagerie du cancer du sein." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112048/document.
Full textThis work concerns the problem of microwave tomography for application to biomedical imaging. The aim is to retreive both permittivity and conductivity of an unknown object from measurements of the scattered field that results from its interaction with a known interrogating wave. Such a problem is said to be inverse opposed to the associated forward problem that consists in calculating the scattered field while the interrogating wave and the object are known. The resolution of the inverse problem requires the prior construction of the associated forward model. This latter is based on an integral representation of the electric field resulting in two coupled integral equations whose discrete counterparts are obtained by means of the method of moments.Regarding the inverse problem, in addition to the fact that the physical equations involved in the forward modeling make it nonlinear, it is also mathematically ill-posed in the sense of Hadamard, which means that the conditions of existence, uniqueness and stability of the solution are not simultaneously guaranteed. Hence, solving this problem requires its prior regularization which usually involves the introduction of a priori information on the sought solution. This resolution is done here in a Bayesian probabilistic framework where we introduced a priori knowledge appropriate to the sought object by considering it to be composed of a finite number of homogeneous materials distributed in compact and homogeneous regions. This information is introduced through a "Gauss-Markov-Potts" model. In addition, the Bayesian computation gives the posterior distribution of all the unknowns, knowing the a priori and the object. We proceed then to identify the posterior estimators via variational approximation methods and thereby to reconstruct the image of the desired object.The main contributions of this work are methodological and algorithmic. They are illustrated by an application of microwave imaging to breast cancer detection. The latter is in itself a very important and original aspect of the thesis. Indeed, the detection of breast cancer using microwave imaging is a very interesting alternative to X-ray mammography, but it is still at an exploratory stage
Books on the topic "Imagerie en direct"
Provvidenza, Christine Frances. The impact of a self-directed imagery package on the imagery ability and imagery use of figure skaters. Ottawa: National Library of Canada, 2002.
Find full textWren, Jesse. The effects of directed and non-directed imagery on locus of control and subsequent performance. Sudbury, Ont: Laurentian University, 2005.
Find full textLuciani, Joseph J. Healing your habits: Introducing directed imagination, a successful technique for overcoming addictive problems. San Diego, Calf: LuraMedia, 1990.
Find full textIntroduction To 3d Game Programming With Directx 11. Mercury Learning & Information, 2012.
Find full textSatellite estimates of the direct radiative forcing of biomass burning aerosols over South America and Africa. [Washington, DC: National Aeronautics and Space Administration, 1997.
Find full textZeman, Sonja. Ut Pictura Poesis? The Poetics of Verbal Imagery. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190457747.003.0011.
Full textParfitt-Brown, Clare. An Australian in Paris. Edited by Melissa Blanco Borelli. Oxford University Press, 2014. http://dx.doi.org/10.1093/oxfordhb/9780199897827.013.005.
Full textElkins, Nathan T. The Image of Political Power in the Reign of Nerva, AD 96-98. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780190648039.001.0001.
Full textOhnuma, Reiko. Billboard for the Buddha. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780190637545.003.0007.
Full textJames, Elaine T. The Agrarian Landscape. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780190619015.003.0002.
Full textBook chapters on the topic "Imagerie en direct"
Milner, A. David, and Monika Harvey. "Visuomotor control of spatially directed action." In Imagery and Spatial Cognition, 297–322. Amsterdam: John Benjamins Publishing Company, 2006. http://dx.doi.org/10.1075/aicr.66.23mil.
Full textGopal, Preeti, Ajit Rajwade, Sharat Chandran, and Imants Svalbe. "A Comparison of Some Methods for Direct 2D Reconstruction from Discrete Projected Views." In Discrete Geometry for Computer Imagery, 117–28. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32360-2_9.
Full textFtaclas, Christ, Andreas L. Nonnenmacher, Richard J. Terrile, Steven H. Pravdo, George D. Gatewood, and Eugene H. Levy. "The Circumstellar Imager: Direct Detection of Extra-Solar Planetary Systems." In Planetary Systems: Formation, Evolution, and Detection, 441–52. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1154-6_46.
Full textWaelti, M., A. Schaufelbühl, O. Brand, and H. Baltes. "Plastic BGA Package and Direct Filter Attachment for CMOS Thermal Imagers." In Transducers ’01 Eurosensors XV, 198–201. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-59497-7_46.
Full textBalázs, Péter. "The Number of Line-Convex Directed Polyominoes Having the Same Orthogonal Projections." In Discrete Geometry for Computer Imagery, 77–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11907350_7.
Full textAlanis-Espinosa, Myriam, and David Gutiérrez. "Using the Partial Directed Coherence to Understand Brain Functional Connectivity During Movement Imagery Tasks." In Brain Informatics, 119–28. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-05587-5_12.
Full textDittakan, Kwankamon, and Frans Coenen. "Early Detection of Osteoarthritis Using Local Binary Patterns: A Study Directed at Human Joint Imagery." In PRICAI 2016: Trends in Artificial Intelligence, 93–105. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42911-3_8.
Full textIse, N., H. Kitano, H. Matsuoka, and K. Ito. "“What Can Polymer Chemistry Do to Other Fields of Chemistry?” — Direct Examination of Solution Structure and Collision Theory by Visual Imagery." In Progress in Pacific Polymer Science, 337–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84115-6_39.
Full textQiu, Waishan, Wenjing Li, Xun Liu, and Xiaokai Huang. "Subjectively Measured Streetscape Qualities for Shanghai with Large-Scale Application of Computer Vision and Machine Learning." In Proceedings of the 2021 DigitalFUTURES, 242–51. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5983-6_23.
Full text"Using computer-generated imagery programs to create animation." In Director MX 2004 Games, 66–74. Routledge, 2012. http://dx.doi.org/10.4324/9780080477336-10.
Full textConference papers on the topic "Imagerie en direct"
Goldstein, Neil, Marsha Fox, Steven Adler-Golden, and Brian Gregor. "Infrared adaptive spectral imagers for direct detection of spectral signatures and hyperspectral imagery." In SPIE MOEMS-MEMS, edited by Michael R. Douglass and Patrick I. Oden. SPIE, 2013. http://dx.doi.org/10.1117/12.2007029.
Full textGoldstein, Neil, Pajo Vujkovic-Cvijin, Marsha Fox, Brian Gregor, Jamine Lee, Jason Cline, and Steven Adler-Golden. "DMD-based adaptive spectral imagers for hyperspectral imagery and direct detection of spectral signatures." In SPIE MOEMS-MEMS: Micro- and Nanofabrication, edited by Larry J. Hornbeck and Michael R. Douglass. SPIE, 2009. http://dx.doi.org/10.1117/12.809129.
Full textReinhold, Ralph R. "Direct view thermal imager." In Medical Imaging '91, San Jose, CA, edited by Morley M. Blouke. SPIE, 1991. http://dx.doi.org/10.1117/12.45336.
Full textGrossman, Erich N., Arttu Luukanen, and Aaron J. Miller. "Terahertz active direct detection imagers." In Defense and Security, edited by R. Jennifer Hwu and Dwight L. Woolard. SPIE, 2004. http://dx.doi.org/10.1117/12.549135.
Full textTachihara, Satoru, and Shuichi Shimizu. "Development of laser direct imager." In Optomechatronic Systems III, edited by Toru Yoshizawa. SPIE, 2002. http://dx.doi.org/10.1117/12.467385.
Full textStreet, Robert A., Steve E. Ready, Jeffrey T. Rahn, Marcelo Mulato, Kanai S. Shah, Paul R. Bennett, Ping Mei, et al. "High-resolution direct-detection x-ray imagers." In Medical Imaging 2000, edited by James T. Dobbins III and John M. Boone. SPIE, 2000. http://dx.doi.org/10.1117/12.384516.
Full textGivens, Ryan N., Karl C. Walli, and Michael T. Eismann. "Evaluating the Lidar/HSI direct method for physics-based scene modeling." In 2014 IEEE Applied Imagery Pattern Recognition Workshop (AIPR). IEEE, 2014. http://dx.doi.org/10.1109/aipr.2014.7041906.
Full textGuan, Shuyue, and Murray Loew. "Evaluation of Generative Adversarial Network Performance Based on Direct Analysis of Generated Images." In 2019 IEEE Applied Imagery Pattern Recognition Workshop (AIPR). IEEE, 2019. http://dx.doi.org/10.1109/aipr47015.2019.9174595.
Full textFlusberg, Allen, and Shrenik Deliwala. "Highly sensitive infrared imager with direct optical readout." In Defense and Security Symposium, edited by Bjørn F. Andresen, Gabor F. Fulop, and Paul R. Norton. SPIE, 2006. http://dx.doi.org/10.1117/12.669353.
Full textBraun, Henry, Pavan Turaga, and Andreas Spanias. "Direct tracking from compressive imagers: A proof of concept." In ICASSP 2014 - 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2014. http://dx.doi.org/10.1109/icassp.2014.6855187.
Full textReports on the topic "Imagerie en direct"
Becker, Sarah, Megan Maloney, and Andrew Griffin. A multi-biome study of tree cover detection using the Forest Cover Index. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/42003.
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