Auswahl der wissenschaftlichen Literatur zum Thema „Traitement d'images – Aspect médical“
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Zeitschriftenartikel zum Thema "Traitement d'images – Aspect médical"
Amat, Philippe. „À la recherche d’un équilibre dans les décisions thérapeutiques. L’exemple du traitement des malocclusions de classe II chez l’enfant et l’adolescent“. L'Orthodontie Française 87, Nr. 4 (Dezember 2016): 375–92. http://dx.doi.org/10.1051/orthodfr/2016042.
Der volle Inhalt der QuelleKahwagi, Jamil, Allasane Mamadou Diop, Mark Olivier Ngoule und Maouly Fall. „Cervicalgies révélant un syndrome d’Eagle : À propos de deux cas“. Annales Africaines de Medecine 16, Nr. 3 (22.06.2023): 5259–63. http://dx.doi.org/10.4314/aamed.v16i3.13.
Der volle Inhalt der QuelleLeclerc, Véronique, Alexandre Tremblay und Chani Bonventre. „Anthropologie médicale“. Anthropen, 2020. http://dx.doi.org/10.17184/eac.anthropen.125.
Der volle Inhalt der QuelleAdmin - JAIM. „Résumés des conférences JRANF 2021“. Journal Africain d'Imagerie Médicale (J Afr Imag Méd). Journal Officiel de la Société de Radiologie d’Afrique Noire Francophone (SRANF). 13, Nr. 3 (17.11.2021). http://dx.doi.org/10.55715/jaim.v13i3.240.
Der volle Inhalt der QuelleDissertationen zum Thema "Traitement d'images – Aspect médical"
González, Obando Daniel Felipe. „From digital to computational pathology for biomarker discovery“. Electronic Thesis or Diss., Université Paris Cité, 2019. http://www.theses.fr/2019UNIP5185.
Der volle Inhalt der QuelleHistopathology aims to analyze images of biological tissues to assess the pathologi¬cal condition of an organ and to provide a diagnosis. The advent of high-resolution slide scanners has opened the door to new possibilities for acquiring very large im¬ages (whole slide imaging), multiplexing stainings, exhaustive extraction of visual information and large scale annotations. This thesis proposes a set of algorith¬mic methods aimed at facilitating and optimizing these different aspects. First, we propose a multi-scale registration method of multi-labeled histological images based on the properties of B-splines to model, in a continuous way, a discrete image. We then propose new approaches to perform morphological analysis on weakly simple polygons generalized by straight-line graphs. They are based on the formalism of straight skeletons (an approximation of curved skeletons defined by straight segments), built with the help of motorcycle graphs. This structure makes it possible to perform mathematical morphological operations on polygons. The precision of operations on noisy polygons is obtained by refining the construction of straight skeletons. We also propose an algorithm for computing the medial axis from straight skeletons, showing it is possible to approximate the original polygonal shape. Finally, we explore weighted straight skeletons that allow directional mor¬phological operations. These morphological analysis approaches provide consistent support for improving the segmentation of objects through contextual information and performing studies related to the spatial analysis of interactions between dif¬ferent structures of interest within the tissue. All the proposed algorithms are optimized to handle gigapixel images while assuring analysis reproducibility, in particular thanks to the creation of the Icytomine plugin, an interface between Icy and Cytomine
Salahuddin, Nur Sultan. „Conception de détecteurs CMOS optimisés pour l’imagerie gamma : application au domaine médical“. Dijon, 2007. http://www.theses.fr/2007DIJOS026.
Der volle Inhalt der QuelleThis work is an investigation about the response of integrated photodiodes and the design of processing circuit of the PSPMT. In the first part of this thesis, we studied several photodiodes sensors including current mirror amplifiers. These photodiodes have been fabricated using a CMOS 0. 6m process from Austria Mikro System (AMS). Each pixel sensor in the array occupies respectively, 1mm x 1mm area, 0. 5mm x 0. 5mm area and 0. 2mm x 0. 2mm area with fill factor 98 % and total chip area is 2 square millimeters. The pixels show a logarithmic response in illumination and are capable of detecting very low green light emitting diode (less than 0. 5 lux). In order to improve sensitivity of our pixels, the we studied in the second part, vertical and lateral photodiodes structures. For this, a new architecture of pixels with a better response in the blue wavelength has been designed. Each sensor pixel in the array occupies respectively, 1mm x 1mm area, 0. 4mm x 0. 4mm area and 0. 2mm x 0. 2mm area with fill factor 98 % and total chip area is also 2 square millimeters and implemented using a CMOS 0. 6m process. The pixels of this second sensor show also a logarithmic response in illumination and are capable of detecting very low blue wavelength (420 nm) with power spectral close to 13 nWatt/mm2. These results allow to use our sensor in new Gamma Camera solid-state concept. In the third part, we designed 4x4 matrix thin-film-transistor (TFT) arrays using current mirror amplifiers. Advantages of current mirror amplifiers are they need less requiring switches and the conversion time is short. The 4x4 TFTs arrays using current mirror circuits have been fabricated using CMOS 0. 6m process and tested with success. The TFTs array can directly process signals coming from 16 pixels in the same node. This enables us to make the summation of the light intensities of close pixels during a reading
Levillain, Laurence. „Piqûres d'hyménoptères et allergie : mécanismes immunologiques, traitement et prophylaxie“. Bordeaux 2, 2000. http://www.theses.fr/2000BOR2P076.
Der volle Inhalt der QuelleKouanfack, Charles. „Accès au traitement antirétroviral en Afrique : le cas du Cameroun“. Montpellier 1, 2009. http://www.theses.fr/2009MON1T024.
Der volle Inhalt der QuelleAlthough access to Antiretroviral therapy for Persons Living with HIV (PLHIV) in low income countries has been increasing, there still remain many challenges. In this framework our thesis carried in Cameroon was based on patient adherence to Antiretroviral Therapy (ART), HIV reistance to ART and decentralization of ART availability to district rural hospitals. We demonstrated that adherencemeasured using a face-te-face questionnaire (classical methode) does not correlate with the virological response when compared to plasma concentration measurement of medication. On the other hand our study of resistance of HIV to ART revealed a relatively low level of resistance (4,4% after 12 months and 16,9% after 24 months of treatment) in patients follow-up on a routine basis, that the WHO recommended second line ART regimens were efficient in almost all the patients (96%) with previous major resistance, and that the WHO recommended threshold for viral load to switch ART regimens in case of therapeutic failure in the absence of resistance test was adequate in 70% of cases. Finally, we observed that 1/4 of patients placed on ART based on WHO recommended criteria for decentralized zones had CD4 counts greater than 350 cells/ml
Masse, Jean-François. „Applications dentaires du logiciel Photoshop“. Master's thesis, Université Laval, 2004. http://hdl.handle.net/20.500.11794/18089.
Der volle Inhalt der QuelleAmri, Hedi. „Un nouveau protocole basé sur la réduction et l'agrandissement des images REPro (Reduction/Expansion Protocol) : appliccation : transmission et archivage pour le télédiagnostic médical“. Thesis, Besançon, 2014. http://www.theses.fr/2014BESA2059.
Der volle Inhalt der QuelleThe exchang of medical exchange is one of the major obstacles in a telemedicine
Dombre, Julien. „Systèmes de représentation multi-échelles pour l'indexation et la restauration d'archives médiévales couleur“. Poitiers, 2003. http://www.theses.fr/2003POIT2314.
Der volle Inhalt der QuelleOur work has been motivated by a practical problem aiming at seeking objects within images and in particular in image databases of medieval frescos. The developed tools will have to help the art historians in their daily work in enabling retrieving of similar images or objects in the group of the images they have. This study is consequently within the framework of content based image retrieval. In order to solve this problem, the traditional methods are ineffective because they characterize the images as a whole without taking the arrangement of the objects which composes them into account. Suggested method describes the image by a pyramidal graph. The images are considered to be made up complex objects in relationship. A algorithm computes several coherent segmentations isolating the objects and theirs parts. Then, the adjacency graphs of the various levels are linked in order to obtain the pyramidal graph of the image. Within this high-level representation structure, we characterize each region most correctly as possible using its color, its texture and its shape. Various algorithms are finally proposed to use these descriptions of the objects, the spatial and the pyramidal informations of the representation in order to determine the similarity between images or to detect similar objects within the database. Many experimental examples illustrate this manuscript and show that this approach is overall more powerful than the existing systems
Castel, Nathalie. „Conditions photométriques de visibilité des objets et de leur détection sur écran“. Rouen, 1999. http://www.theses.fr/1999ROUEL314.
Der volle Inhalt der QuelleObject visibility and detection are important issues, particularly for visual displays ergonomic guidelines. A better knowledge of the relationships betweeen displays physical factors and detection performance can contribute to improve quality and cost of the devices used to simulate tasks where visual factors are essential. After a review of the factors (perceptive and physical), the work suggests that target detection performance can be predicted using a photometric model based on the modulation transfer function (MTF) of the device. Two types of experiments have been designed to verify this hypothesis: the first one with a photo-simulation paradigm and the second with a video-simulation paradigm. In both cases two aspects are developped: a physical analysis of the visual device mtf characteristics and a study of the human detection responses. The results obtained in the photo-simulation experiment show that the distance at which the MTF curve stabilizes can be considered as a predictor of the liminar value, performed by subjects who are already skilled in target detection and acquisition. The reported data confirm the hypothesis except when targets are decoys. In this case, it is argued that their photometric signatures constitue sufficient cues that permit trained subjects to recognize and identify a decoy well before detecting the other targets. The mtf features of the video-simulation device have been measured using sinewave grating charts, composed of black and white bars with various contrasts, directions and spatial frequencies. The photometric data point out that the modulation transfer is much better in the horizontal direction than in the vertical direction. This inter-directional variation is also observed in the subjects' responses, notably in the range of the middle and high frequencies. Using such grating charts has led to propose a theorical model that permits to predict the distance at which a target can be detected. The subjects' responses confirm the predictions outcomed from this model. The experimental data show that mtf is a satisfactory reference to predict target detection performance. In the last part of the thesis, these data are discussed with regard to other models (Johnson criteria and signal detection theory). Finally, conclusions are drawn on the limits of a model based on MTF
Rialle, Vincent. „Aide au diagnostic et à l'apprentissage dans un domaine médical incertain, incomplet et évolutif : étude des méthodes existantes et proposition d'une méthodologie nouvelle“. Phd thesis, Université Joseph Fourier (Grenoble), 1987. http://tel.archives-ouvertes.fr/tel-00325679.
Der volle Inhalt der QuelleRialle, Vincent. „Aide au diagnostic et à l'apprentissage dans un domaine médical incertain, incomplet et évolutif : étude des méthodes existantes et proposition d'une méthodologie nouvelle“. Phd thesis, Grenoble 1, 1987. https://theses.hal.science/tel-00325679.
Der volle Inhalt der QuelleBücher zum Thema "Traitement d'images – Aspect médical"
Phototruth or photofiction?: Ethics and media imagery in the digital age. Mahwah, N.J: Lawrence Erlbaum Associates, 2002.
Den vollen Inhalt der Quelle finden1945-, Sebag-Lanoë Renée, Wary Bernard und Mischlich D, Hrsg. La douleur des femmes et des hommes âgés. Paris: Masson, 2002.
Den vollen Inhalt der Quelle findenHeather, Pullen, Hrsg. Vaincre les problèmes d'infertilité chez le couple. Outremont, Québec: Quebecor, 1995.
Den vollen Inhalt der Quelle findenSwanson, David W. La douleur chronique: Approche globale. Boucherville, Qc: Lavoie Broquet, 2000.
Den vollen Inhalt der Quelle findenÀ bout de patience: Les enjeux de la lutte au cancer du sein. Montréal: Éditions du Remue-ménage, 1998.
Den vollen Inhalt der Quelle findenMonique, Gonthier, und Hôpital Sainte-Justine, Hrsg. Le diabète chez l'enfant et l'adolescent. Montréal: Éditions de l'Hôpital Sainte-Justine, 2003.
Den vollen Inhalt der Quelle findenVouloir guérir: L'aide au malade atteint d'un cancer. Paris: Éditions Payot & Rivages, 2015.
Den vollen Inhalt der Quelle findenHaville, Desmarais Jane, Hrsg. Psychotherapy and the treatment of cancer patients: Bearing cancer in mind. Hove: Routledge, 2005.
Den vollen Inhalt der Quelle findenInfection of the innocents: Wet nurses, infants, and syphilis in France, 1780-1900. Montreal: McGill-Queen's University Press, 2010.
Den vollen Inhalt der Quelle findenBattling HIV/AIDS: A decision maker's guide to the procurement of medicines and related supplies. Washington, DC: World Bank, 2004.
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