Dissertations / Theses on the topic 'Images treatment'
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Tuncer, Ozgur. "Segmentation, Registration And Visualization Of Medical Images For Treatment Planning." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1093368/index.pdf.
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s visualization library. Besides these, methods are developed for automatic registration of twodimensional and three-dimensional CT images taken at different time periods. These methods are applied to real and synthetic data. Algorithms and methods used in this thesis are also implemented in MATLAB computer program.
Bazalova, Magdalena. "The use of computed tomography images in Monte Carlo treatment planning." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32513.
Full textLes calculs de dose Monte Carlo (MC) ne peuvent précisément déterminer la dose délivrée au patient, à moins de bien connaître son anatomie. Cette thèse se concentre sur la conversion des images tomographiques du patient en fichier de géométrie Monte Carlo. Les artefacts métalliques et leur effet sur les calculs de dose MC sont étudiés. Un algorithme de correction est appliqué sur les images avec artefacts et les erreurs de dose dues au mauvais assignement des densités et tissus sont quantifiées dans un fantôme et une étude de patient. L'algorithme de correction est aussi testé sur des fantômes avec de réelles prothèses de hanches et l'effet de correction sur les calculs de dose MC est étudié. En tant que résultat de cette étude, nous suggérons qu'un algorithme de correction des artefacts métalliques soit intégré à tout plan de traitement MC. Par le biais de simulations MC, le diffusé est prouvé être une cause majeure des artefacts métalliques. L'utilisation d'un scanner double énergie pour une méthode novatrice de segmentation de tissu est minutieusement étudiée. Tout d'abord, les simulations MC sont utilisées pour déterminer la filtration optimale de faisceau pour une extraction précise du matériau en scanner double énergie. La méthode à double énergie est ensuite testée sur un scanner avec un fantôme et un bon accord dans l'extraction des propriétés des deux matériaux, la densité électronique relative rho_e et le nombre effectif atomique Z est trouvé. Comparé à la segmentation conventionnelle des tissus réalisée sur la base des différents rho_e, la méthode novatrice de segmentation de tissu utilise les diff
Akhtari, Mohammad Mehdi. "Accuracy of inverse treatment planning on computed tomography like images derived from magnetic resonance data." Thesis, Umeå universitet, Institutionen för fysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-68721.
Full textFINOTELLO, ALICE. "Vascular remodeling after endovascular treatment: quantitative analysis of medical images with a focus on aorta." Doctoral thesis, Università degli studi di Genova, 2019. http://hdl.handle.net/11567/943023.
Full textSperling, Nicholas Niven. "A Novel Algorithm for the Reconstruction of an Entrance Beam Fluence from Treatment Exit Patient Portal Dosimetry Images." University of Toledo / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1384521982.
Full textMcCowan, Peter Michael. "in vivo patient dose verification of volumetric modulated arc therapy including stereotactic body radiation treatment applications using portal dose images." Medical Physics, 2015. http://hdl.handle.net/1993/31120.
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Abdallah, Zeinab. "Reconstruction 3D de microlentilles à partir d'images au microscope électronique à balayage." Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALS010.
Full textChallenges in 3D metrology for microscopic objects within the microelectronics industry are addressed, particularly focusing on advanced nodes and "more-than-moore" devices. Scanning Electron Microscopy (SEM), employing surface-emitted Secondary Electrons (SE), is utilized in a rapid and non-destructive 3D metrology strategy involving the creation of microlens-like structures on 300 nm wafers using grayscale i-line lithography. The SEM tool, featuring a multiple-detector arrangement, including a four-quadrant SE detector, along with simultaneous Atomic Force Microscopy (AFM) measurements, is employed for co-registration and background elimination from both datasets. The thorough exploration of SEM metrology within this specific detector arrangement includes in-depth investigations into various analytical models, refining the understanding of their adaptability and efficiency. The analytical SEM model, crucial for detector calibration and parametric reconstruction, overcomes initial limitations through quadrant-oriented image weighting, showcasing its utility and validity. Significant contributions are made to advancing microscopic object metrology, addressing critical needs in the microelectronics industry
Verguet, Amandine. "Développements méthodologiques et informatiques pour la microscopie électronique en transmission appliqués à des échantillons biologiques Alignment of Tilt Series (Chapter 7 of the Book: Cellular Imaging: Electron Tomography and Related Techniques, Hanssen Eric) An ImageJ tool for simplified post-treatment of TEM phase contrast images (SPCI) Comparison of methods based on feature tracking for fiducial-less image alignment in electron tomography." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS487.
Full textTransmission Electron Microscopy is a major tool for performing structural studies in biology. Some methods used for image sampling and analysis need to be improved in order to observe electron dose sensitive samples with good contrast and good signal to noise ratio. During this thesis, various methodological and computational approaches have been studied which aim to improve image quality. First, I evaluated the relevance of combining energy filtered imaging with the STEM mode. I show that this allows an improvement of the signal to noise ratio of images. Then, I devised an algorithm that generates an image from phase data. This approach allows improving the image contrast over direct imaging. The use of a phase plate and focal tilt series are both efficient tools to achieve this goal. While working on the software approach for processing of tilt series, we found that a qualitative result can be obtained from a single image. I developped the SPCI plugin for the ImageJ software. It allows processing between one and three focal images. My work involves optimization of the tomographic reconstruction process, including working with both alignment algorithms and reconstruction algorithms. I expose my studies on image alignment methods used on tilt series. These methods do rely on the use of key points and associated local descriptors. They have proved to be efficient to process images lacking fiducial markers. Finally, I propose a new unified algorithmic approach for 3D reconstruction of tomographic tilt series acquired with sparse sampling. I then derived another novel method that integrates the image alignment step in the process. Studies and developments will continue on both methods in futur work
Woodward, Rana M. "Treatment of specific phobia in older adults : efficacy and barriers to treatment /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19051.pdf.
Full textMoney, Tyler. "Adolescent girls' perception of change in residential treatment centers : a qualitative study of how treatment works /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2253.pdf.
Full textMitchell, Geoffrey Keith. "The effect of case conferences between general practitioners and palliative care specialist teams on the quality of life of dying people /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18557.pdf.
Full textCorcoran, R. J. "Fruit fly (Diptera:Tephritidae) responses to quarantine heat treatment /." St. Lucia, Qld, 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16489.pdf.
Full textNelsen, Tyler. "Performance of concrete bridge deck surface treatments /." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd810.pdf.
Full textPaterson, David L. "Extended-spectrum beta-lactamase producing bacteria : epidemioloyg, characterisation, detection and treatment /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe.pdf.
Full textLewis, Amanda Gloria. "Treatment of Hypertriglyceridemia with Omega-3 Fatty Acids: A Systematic Review." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd458.pdf.
Full textViney, Kerri. "Universal or selective directly observed treatment? : a clinical audit of directly observed treatment and tuberculosis in a North-East London (United Kingdom) cohort /." St. Lucia, Qld, 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17920.pdf.
Full textMalcarne, Brian K. "Constructive Enabling: Applying a Wilderness Skills Intervention to Support the Therapeutic Change Process of Adolescent Females in Residential Treatment." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd2228.pdf.
Full textGriner, Derek. "Culturally adapted mental health treatments : a meta-analysis /." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd1796.pdf.
Full textRaylu, Namrata N. "Testing a cognitive behavioural theory and treatment of problem gambling /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18390.pdf.
Full textPenteado, Marcos Roberto Mendes 1985. "Transporte de grãos por leito móvel em um escoamento turbulento : deslocamento de grãos individuais." [s.n.], 2015. http://repositorio.unicamp.br/jspui/handle/REPOSIP/265832.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecânica
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Resumo: O transporte de sedimentos por um fluido é frequentemente encontrado em rios, oceanos, escoamentos periglaciais e outros processos naturais. É também encontrado na indústria, tal como em linhas de petróleo que arrastam sedimentos, em sistemas de esgotos e em processos de dragagem, por exemplo. Nessa dissertação, o transporte de grãos em um leito granular cisalhado pelo escoamento de um líquido será investigado experimentalmente. Nos experimentos, um escoamento de água turbulento totalmente desenvolvido foi imposto sobre o leito granular de geometria conhecida. Sob as condições testadas, os grãos foram transportados como leito móvel (\textit{bed load}, em inglês), i.e., sedimentos são transportados rolando ou deslizando sobre o leito. Para diferentes vazões de água, os deslocamentos dos grãos são filmados por uma câmera rápida. Os deslocamentos e campos de velocidade dos grãos foram determinados através do tratamento das imagens. A taxa de transporte dos grãos foi então estimada e correlacionada com o escoamento do fluido
Abstract: Sediment transport by a fluid flow is frequently found in rivers, oceans, periglacial flows and other natural processes. It is also commonly found in industry, such as in petroleum pipelines conveying grains, in sewer systems and in dredging lines, for example. In this thesis, the transport of grains of a granular bed sheared by a liquid flow was experimentally investigated. In the experiments, fully-developed turbulent water flows were imposed over a granular bed of known granulometry. Under the tested conditions, the grains were transported as bed load, i.e., sediment was carried by rolling and sliding over the bed. For different water flow rates, the displacements of grains were filmed by a high-speed camera. The grains displacement and velocity fields were determined by post-processing the images. The bed-load transport rate was estimated and correlated to the water flow conditions
Mestrado
Termica e Fluidos
Mestre em Engenharia Mecânica
Jorgensen, Anna Mae. "Familial predictors of long-term outcome following inpatient treatment for eating disorders /." Diss., CLICK HERE for online access, 2009. http://contentdm.lib.byu.edu/ETD/image/etd3086.pdf.
Full textMaude, Sarah Jane. "Factors affecting the performance of seed treatment suspension concentrates." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289562.
Full textBercier, Yanic. "Image fusion for radiosurgery treatments of arteriovenous malformations." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82830.
Full textThe plans of patients who had previously undergone radiosurgery at our institution employing SA images for localisation and MR images for delineation were investigated. MRA datasets were also acquired at the time of MR scanning employing the 3D TOF technique. Some ray-traced MRA images correlated well visually with the SA images, others presented inconsistencies which suggest that MRA should be used only as complement to SA images.
The role of the different modalities (M-RA, MR and SA) in the definition of target volumes is investigated by defining the target contours with different combinations of modalities within the interactive system. The target volumes drawn with different modalities were compared to a reference volume, drawn using MRA, MR and SA images, and presented underestimation and overestimation of target volumes ranging from 20% to 92% and from 3% to 40%.
The dosimetric implications of image fusion for target delineation are investigated by retrospective evaluation of the dose coverage of the reference target volume by the original treatment plan. Target coverage inferior to 60% of the reference target volumes by the original treatment plans was obtained for the patients. Treatment plan optimisation was performed to evaluate the possible dosimetric improvements resulting from image fusion for AVM target delineation. The plans were improved by employing three, eight and four isocentres for the 3 patients, and resulted in target coverage equal or superior to 98% for all three patients.
Lennox, James. "Multivariate subspaces for fault detection and isolation : with application to the wastewater treatment process /." [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16704.pdf.
Full textAnnavarjula, Vaishnavi. "Computer-Vision Based Retinal Image Analysis for Diagnosis and Treatment." Thesis, Blekinge Tekniska Högskola, Institutionen för datalogi och datorsystemteknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-14979.
Full textChan, Arthur Ho-Yin. "Image-guided high intensity focused ultrasound treatment for uterine leiomyomata /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/8068.
Full textPlowman, Suzanne F. "Self-esteem as a predictor of treatment outcome among women with eating disorders /." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd1903.pdf.
Full textBirdsall, Aimee Worthen. "Effect of initial surface treatment timing on chloride concentrations in concrete bridge deck /." Diss., CLICK HERE for online access, 2007. http://contentdm.lib.byu.edu/ETD/image/etd1695.pdf.
Full textHolmes, Jane M. "A comparion of clinic versus internet administered treatment of childhood anxiety /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18671.pdf.
Full textAung-Kyaw-Zaw. "Utilisation and cost of malaria treatment in Shan state, Myanmar, 2000 /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19082.pdf.
Full textCozzi, Sarah-Jane. "Molecular targets of anticancer PKC activators in the treatment of melanoma /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19185.pdf.
Full textBond, Sarah Louise. "Image analysis for patient management in colorectal cancer." Thesis, University of Oxford, 2006. http://ora.ox.ac.uk/objects/uuid:3f810bd0-2645-420c-9d91-169d7605b0bc.
Full textThompson, Dale Leslie 1953. "THE USE OF GUIDED IMAGERY TO REDUCE ACUTE POSTOPERATIVE PAIN (EMOTIVE, RELAXATION)." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/276726.
Full textTaylor, Mike. "The performance of vermicompost filtration : an on-site domestic waste treatment system /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17846.pdf.
Full textDinca, Elena. "Modelling the effects on milk of high-heat treatment and subsequent storage /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18019.pdf.
Full textHarris, Ivor E. "The effects of biological waste treatment by acidogenic fermentation on certain pathogens /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18146.pdf.
Full textBowyer, Jocelyn Cathryn. "The ecological significance of dissolved organic nitrogen from wastewater treatment plant effluents /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18524.pdf.
Full textGuo, Huayang. "The development of a gene transfer approach for the treatment of hypertension /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18895.pdf.
Full textLoch, David Charles. "Novel pharmacological approaches to the treatment of hypertensive heart disease and failure /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19110.pdf.
Full textSudarjanto, Gatut. "Integrated chemical and biological treatment process to remove colour compounds from wastewater /." [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19717.pdf.
Full textHunter, Marc W. "CRT anti-glare treatments, image quality, and human performance." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/52323.
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Ploeger, Lennert Simon. "Image-based verification of patient setup and treatment geometry in radiotherapy." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2003. http://dare.uva.nl/document/86839.
Full textHjalmarsson, Elina, and Anna Gustafsson. "Kvinnors kroppsbild vid bröstcancerbehandling : Women's body image at breast cancer treatment." Thesis, Karlstads universitet, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-35897.
Full textMarlowe, Eric-Jon Keawe. "Treatment of religious expression and belief in Utah public schools : perspectives of the religious minority /." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd776.pdf.
Full textNolan, Curtis Daniel. "Effect of Initial Scarification and Overlay Treatment Timing on Chloride Concentrations in Concrete Bridge Decks." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2662.pdf.
Full textNutter, Jasmine Aileen. "Contribution of Family Leisure to Family Functioning Among Families with Adolescents in Mental Health Treatment." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2683.pdf.
Full textBrannock, Matthew William Darcey. "Computational fluid dynamics tools for the design of mixed anoxic wastewater treatment vessels /." [St. Lucia, Qld.], 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17353.pdf.
Full textPaungmali, Aatit. "An investigation of a neuro-biological mechanism of a mobilisation-with-movement treatment /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe18040.pdf.
Full textKollaras, Arthur E. "The autoclaving of municipal greenwastes as pre-treatment for use in soil enhancement /." [St. Lucia, Qld.], 2006. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19320.pdf.
Full textAlmajane, Antonio Francisco. "Outcome of tuberculosis treatment in Queensland (Australia) and Mozambique from 1995 to 2000 /." [St. Lucia, Qld.], 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16736.pdf.
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