Literatura científica selecionada sobre o tema "Distributions de dose"
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Artigos de revistas sobre o assunto "Distributions de dose"
Beckett, Craig, e Peter Dickof. "Mapping dose distributions". Medical Physics 25, n.º 10 (outubro de 1998): 1944–53. http://dx.doi.org/10.1118/1.598384.
Texto completo da fonteDutreix, Andree. "3D Dose Distributions". Journal of Medical Physics 11, n.º 3 (1986): 166. http://dx.doi.org/10.4103/0971-6203.50340.
Texto completo da fontePike, G. Bruce, Ervin B. Podgorsak, Terence M. Peters, Conrado Pla, André Olivier e Luis Souhami. "Dose distributions in radiosurgery". Medical Physics 17, n.º 2 (março de 1990): 296–304. http://dx.doi.org/10.1118/1.596508.
Texto completo da fonteBak, Jino, Jin Hwa Choi, Jae-Sung Kim e Suk Won Park. "Modified dose difference method for comparing dose distributions". Journal of Applied Clinical Medical Physics 13, n.º 2 (março de 2012): 73–80. http://dx.doi.org/10.1120/jacmp.v13i2.3616.
Texto completo da fonteLow, Daniel A., Delphine Morele, Philip Chow, Tai H. Dou e Tao Ju. "Does the γ dose distribution comparison technique default to the distance to agreement test in clinical dose distributions?" Medical Physics 40, n.º 7 (18 de junho de 2013): 071722. http://dx.doi.org/10.1118/1.4811141.
Texto completo da fonteVaas, L. H., R. O. Blaauboer e H. P. Leenhouts. "Radiation Sources, Doses and Dose Distributions in the Netherlands". Radiation Protection Dosimetry 36, n.º 2-4 (1 de junho de 1991): 89–92. http://dx.doi.org/10.1093/oxfordjournals.rpd.a080974.
Texto completo da fonteVaas, L. H., R. O. Blaauboer e H. P. Leenhouts. "Radiation Sources, Doses and Dose Distributions in the Netherlands". Radiation Protection Dosimetry 36, n.º 2-4 (1 de junho de 1991): 89–92. http://dx.doi.org/10.1093/rpd/36.2-4.89.
Texto completo da fonteKeall, P., S. Zavgorodni, L. Schmidt e D. Haskard. "Improving wedged field dose distributions". Physics in Medicine and Biology 42, n.º 11 (1 de novembro de 1997): 2183–92. http://dx.doi.org/10.1088/0031-9155/42/11/013.
Texto completo da fonteCross, W. G., J. Böhm, M. Charles, E. Piesch e S. M. Seltzer. "6. Calculation of Dose Distributions". Journal of the International Commission on Radiation Units and Measurements os29, n.º 1 (5 de janeiro de 1997): 18–32. http://dx.doi.org/10.1093/jicru/os29.1.18.
Texto completo da fonteCross, W. G., J. Böhm, M. Charles, E. Piesch e S. M. Seltzer. "6. Calculation of Dose Distributions". Reports of the International Commission on Radiation Units and Measurements os-29, n.º 1 (janeiro de 1997): 18–32. http://dx.doi.org/10.1093/jicru_os29.1.18.
Texto completo da fonteTeses / dissertações sobre o assunto "Distributions de dose"
Öström, Linn. "Post-processingof Monte Carlo calculated dose distributions". Thesis, KTH, Matematisk statistik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-244314.
Texto completo da fonteDenna masteruppsats fokus är på att brusreducera Monte Carlo-beräknade dosdis-tributioner för behandlingsplaner i hjärnstereotaktisk radiokirurgi. Projektets avsikt är att implementera en brusreducerande Autoencoder (DAE) samt undersöka dess brusreducerande egenskaper, när nätverket har tränats på Monte Carlo-beräknade dosdistributioner genererade med få fotonsimulationer. Den brusreducerande Au-toencodern har genomgått övervakad träning, där den lär sig en avbildning mellan brusiga till brusfria distributioner. Frågorna som denna uppsats ämnar besvara är;(i) Kan en brusreducerande Autoencoder användas för att brusreducera Monte Carlo-beräknade dosdistributioner, och därmed förutspå dosen på förhand? Dessutom, (ii) förbättras nätverkets brusreducerande prestanda när ytterligare information angående skottpositionerna tillförs till nätverket? Resultaten i denna undersökning pekade på att nätverket framgångsrikt förutspår dosdistributionerna, baserat på dosdistribu-tioner som simulerats med få fotonsimulationer. I de fall då bruset i indata är väldigt kraftigt lyckas fortfarande nätverket att brusreducera, samt lyckat fylla i data som saknas. Resultaten indikerade att den brusreducerande Autoencodern kunde reduc-era brus i en mängd som kan jämföras med en simulation som gjorts med en faktor 102 fler fotonsimulationer.
Milette, Marie-Pierre. "Direct optimization of 3D dose distributions using collimator rotation". Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/274.
Texto completo da fonteNilsson, Viktor. "Prediction of Dose Probability Distributions Using Mixture Density Networks". Thesis, KTH, Matematisk statistik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-273610.
Texto completo da fonteUnder de senaste åren har maskininlärning börjat nyttjas i extern strålbehandlingsplanering. Detta involverar automatisk generering av behandlingsplaner baserade på datortomografibilder och annan rumslig information, såsom placering av tumörer och organ. Nyttan ligger i att avlasta klinisk personal från arbetet med manuellt eller halvmanuellt skapa sådana planer. I stället för att predicera en deterministisk plan finns det stort värde att modellera den stokastiskt, det vill säga predicera en sannolikhetsfördelning av dos utifrån datortomografibilder och konturerade biologiska strukturer. Stokasticiteten som förekommer i strålterapibehandlingsproblemet beror på att en rad olika planer kan vara adekvata för en patient. Den särskilda fördelningen kan betraktas som förekomsten av preferenser bland klinisk personal. Att ha mer information om utbudet av möjliga planer representerat i en modell innebär att det finns mer flexibilitet i utformningen av en slutlig plan. Dessutom kommer modellen att kunna återspegla de potentiellt motstridiga kliniska avvägningarna; dessa kommer påträffas som multimodala fördelningar av dosen i områden där det finns en hög varians. På RaySearch används en probabilistisk random forest för att skapa dessa fördelningar, denna metod är en utökning av den klassiska random forest-algoritmen. En aktuell forskningsriktning är att generera in sannolikhetsfördelningen med hjälp av djupinlärning. Ett oprövat parametriskt tillvägagångssätt för detta är att låta ett lämpligt djupt neuralt nätverk approximera parametrarna för en Gaussisk mixturmodell i varje volymelement. Ett sådant neuralt nätverk är känt som ett mixturdensitetsnätverk. Den här uppsatsen fastställer teoretiska resultat för artificiella neurala nätverk, främst det universella approximationsteoremet, tillämpat på de aktiveringsfunktioner som används i uppsatsen. Den fortsätter sedan att utforska styrkan av djupinlärning i att predicera dosfördelningar, både deterministiskt och stokastiskt. Det primära målet är att undersöka lämpligheten av mixturdensitetsnätverk för stokastisk prediktion. Forskningsfrågan är följande. U-nets och mixturdensitetsnätverk kommer att kombineras för att predicera stokastiska doser. Finns det ett sådant nätverk som är tillräckligt kraftfullt för att upptäcka och modellera bimodalitet? Experimenten och undersökningarna som utförts i denna uppsats visar att det faktiskt finns ett sådant nätverk.
Tozer-Loft, Stephen M. "Dose volume analysis in brachytherapy and stereotactic radiosurgery". Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366100.
Texto completo da fonteFox, Timothy Harold. "Computation and optimization of dose distributions for rotational stereotactic radiosurgery". Diss., Georgia Institute of Technology, 1994. http://hdl.handle.net/1853/32843.
Texto completo da fonteSouth, Christopher Peter. "The use of functional imaging to design optimal radiotherapy dose distributions". Thesis, Institute of Cancer Research (University Of London), 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.538528.
Texto completo da fonteCECILIO, PAULO J. "Implementacao e aceite de sistema de radioterapia de feixe modulado dinamico com o uso de colimador secundario de multiplas folhas". reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11757.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Rowbottom, Carl Graham. "Optimisation of beam-orientations in conformal radiotherapy treatment planning". Thesis, Institute of Cancer Research (University Of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314088.
Texto completo da fonteDoucet, Robert. "Experimental verification of Monte Carlo calculated dose distributions for clinical electron beams". Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33750.
Texto completo da fonteHellström, Terese. "Deep-learning based prediction model for dose distributions in lung cancer patients". Thesis, Stockholms universitet, Fysikum, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-196891.
Texto completo da fonteLivros sobre o assunto "Distributions de dose"
National Council on Radiation Protection and Measurements. Conceptual basis for calculations of absorbed-dose distributions: Recommendations. Bethesda, MD: National Council on Radiation Protection and Measurements, 1991.
Encontre o texto completo da fonteAydarous, Abdulkadir Sheikh. Development of imaging techniques for determining dose distributions around discrete radioactive particles found in the environment. Birmingham: University of Birmingham, 2003.
Encontre o texto completo da fonteA, Kosunen, e Säteilyturvakeskus (Finland), eds. Intercomparison of radiotherapy treatment planning systems using calculated and measured dose distributions for external photon and electron beams. Helsinki, Finland: Finnish Centre for Radiation and Nuclear Safety, 1991.
Encontre o texto completo da fonteUnited States. Food and Drug Administration, ed. Pharmacokinetics: Guidance for repeated dose tissue distribution studies. [Rockville, Md.?]: U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, 1995.
Encontre o texto completo da fonteMulé, Rosa. Does democracy promote equality?. Luxembourg: LIS, 1998.
Encontre o texto completo da fonteCanadian Society of Hospital Pharmacists., ed. Working paper on unit dose-IV additive drug distribution system. Toronto, Ont: Canadian Society of Hospital Pharmacists, 1989.
Encontre o texto completo da fonteShea, John. Does parents' money matter? Cambridge, MA: National Bureau of Economic Research, 1997.
Encontre o texto completo da fonteRamachandran, T. V., of Environmental Assessment Division, Bhabha Atomic Research Centre. e Bhabha Atomic Research Centre, eds. Radon-thoron levels and inhalation dose distribution patterns in Indian dwellings. Mumbai: Bhabha Atomic Research Centre, 2003.
Encontre o texto completo da fonteChmielewski, Andrzej G. Dose distribution effect on optimal geometry for industrial flue gas treatment system. Warszawa: Institute of Nuclear Chemistry and Technology, 1998.
Encontre o texto completo da fonteReece, W. D. SADDE (Scaled Absorbed Dose Distribution Evaluator): A code to generate input for VARSKIN. Washington, DC: Division of Accident Evaluation, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1989.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Distributions de dose"
Westerly, David, e Moyed Miften. "Quantifying Differences in Dose Distributions". In Clinical 3D Dosimetry in Modern Radiation Therapy, 357–76. Boca Raton : Taylor & Francis, 2017. | Series: Imaging in medical diagnosis and therapy ; 28: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118826-14.
Texto completo da fontePerucha, M., F. Sánchez-Doblado, A. Leal, M. Rincón, L. Núnez, R. Arráns, E. Carrasco, B. Sánchez-Nieto, J. A. Sánchez-Calzado e L. Errazquin. "Monte Carlo Dose Distributions for Radiosurgery". In Advanced Monte Carlo for Radiation Physics, Particle Transport Simulation and Applications, 561–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-18211-2_89.
Texto completo da fonteNishio, Teiji, e Aya Nishio-Miyatake. "Visualization of Dose Distributions for Proton". In Image-Based Computer-Assisted Radiation Therapy, 319–54. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-2945-5_13.
Texto completo da fontePfaender, Mathias, Gerhard Grebe, Julia Ahlswede, Martin Roll, Lutz Lüdemann, Volker Budach e Reinhard Wurm. "Concave Dose Distributions in Dynamic Arc Radiosurgery". In The Use of Computers in Radiation Therapy, 401–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59758-9_152.
Texto completo da fonteMavroidis, P., B. Costa Ferreira, N. Papanikolaou, R. Svensson, B. K. Lind e A. Brahme. "Radiobiological analysis of planned and delivered IMRT dose distributions". In IFMBE Proceedings, 381–84. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03474-9_107.
Texto completo da fonteReft, Chester. "Point Detectors for Determining and Verifying 3D Dose Distributions". In Clinical 3D Dosimetry in Modern Radiation Therapy, 79–98. Boca Raton : Taylor & Francis, 2017. | Series: Imaging in medical diagnosis and therapy ; 28: CRC Press, 2017. http://dx.doi.org/10.1201/9781315118826-4.
Texto completo da fonteKortesniemi, Mika, Antti Kosunen, Carita Aschan, Tom Serén, Petri Kotiluoto, Matti Toivonen, Petteri Välimäki, Tiina Seppälä, Iiro Auterinen e Sauli Savolainen. "Measurements of Phantom Dose Distributions at the Finnish BNCT Facility". In Frontiers in Neutron Capture Therapy, 659–64. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1285-1_95.
Texto completo da fonteMarks, Lawrence B. "Radiosurgery Dose Distributions: Theoretical Impact of Inhomogeneities on Lesion Control". In Advances in Radiosurgery, 13–17. Vienna: Springer Vienna, 1994. http://dx.doi.org/10.1007/978-3-7091-9371-6_4.
Texto completo da fonteBecker, G., R. Lohrum, T. Werner, J. Bürkelbach, G. Nemeth, R. Boesecke, W. Schlegel e W. J. Lorenz. "Presentation and Evaluation of 3D Dose Distributions in Radiotherapy Planning". In CAR’89 Computer Assisted Radiology / Computergestützte Radiologie, 254–61. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52311-3_45.
Texto completo da fonteNguyen, Dan, Azar Sadeghnejad Barkousaraie, Chenyang Shen, Xun Jia e Steve Jiang. "Generating Pareto Optimal Dose Distributions for Radiation Therapy Treatment Planning". In Lecture Notes in Computer Science, 59–67. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32226-7_7.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Distributions de dose"
Oldham, Mark, Leonard Kim e Geoffrey Hugo. "Optical-CT imaging of complex 3D dose distributions". In Medical Imaging, editado por Michael J. Flynn. SPIE, 2005. http://dx.doi.org/10.1117/12.595525.
Texto completo da fonteÁvila-Rodrı́guez, M. A. "Experimental measurements of spatial dose distributions in radiosurgery treatments". In MEDICAL PHYSICS: Fifth Mexican Symposium. AIP, 2001. http://dx.doi.org/10.1063/1.1420475.
Texto completo da fonteZhou, Chuanyu. "Computational determination of absorbed dose distributions from gamma ray sources". In The 27th annual review of progress in quantitative nondestructive evaluation. AIP, 2001. http://dx.doi.org/10.1063/1.1373803.
Texto completo da fonteCucinotta, Francis A., Robert Katz, John W. Wilson e Rajendra R. Dubey. "Radial dose distributions in the delta-ray theory of track structure". In Two−center effects in ion−atom collisions: A symposium in honor of M. Eugene Rudd. AIP, 1996. http://dx.doi.org/10.1063/1.50083.
Texto completo da fonteDiederich, Chris J., William H. Nau, Frank Kleinstueck, Jeff Lotz e David Bradford. "IDTT therapy in cadaveric lumbar spine: temperature and thermal dose distributions". In BiOS 2001 The International Symposium on Biomedical Optics, editado por Thomas P. Ryan. SPIE, 2001. http://dx.doi.org/10.1117/12.427849.
Texto completo da fonteBrynkevich, A. I., M. N. Piatkevich e E. V. Titovich. "CRITERIA FOR EVALUATION OF DOSIMETRIC VERIFICATION OF RADIOTHERAPY HIGH-TECH TREATMENT PLANS FOR CANCER PATIENTS". In SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2021. http://dx.doi.org/10.46646/sakh-2021-2-252-255.
Texto completo da fonteAlmaraz, S. "Dose distributions in prostate brachytherapy: comparison between Sievert and Monte Carlo methods". In MEDICAL PHYSICS: Seventh Mexican Symposium on Medical Physics. AIP, 2003. http://dx.doi.org/10.1063/1.1615110.
Texto completo da fonteLee, Tzu-Cheng, Ruoqiao Zhang, Adam M. Alessio, Lin Fu, Bruno De Man e Paul E. Kinahan. "Statistical distributions of ultra-low dose CT sinograms and their fundamental limits". In SPIE Medical Imaging, editado por Thomas G. Flohr, Joseph Y. Lo e Taly Gilat Schmidt. SPIE, 2017. http://dx.doi.org/10.1117/12.2254375.
Texto completo da fonteZhou, Chuanyu. "Computational determination of absorbed dose distributions from multiple volumetric gamma ray sources". In QUANTITATIVE NONDESTRUCTIVE EVALUATION. AIP, 2002. http://dx.doi.org/10.1063/1.1472852.
Texto completo da fonteGóes, Daniel A., e Nelson D. A. Mascarenhas. "Low-Dose Computed Tomography Filtering Using Geodesic Distances". In Conference on Graphics, Patterns and Images. Sociedade Brasileira de Computação, 2020. http://dx.doi.org/10.5753/sibgrapi.est.2020.12983.
Texto completo da fonteRelatórios de organizações sobre o assunto "Distributions de dose"
Napier, B. A., W. T. Farris e J. C. Simpson. Determination of dose distributions and parameter sensitivity. Office of Scientific and Technical Information (OSTI), dezembro de 1992. http://dx.doi.org/10.2172/7062146.
Texto completo da fonteNapier, B. A., W. T. Farris e J. C. Simpson. Determination of dose distributions and parameter sensitivity. Hanford Environmental Dose Reconstruction Project; dose code recovery activities; Calculation 005. Office of Scientific and Technical Information (OSTI), dezembro de 1992. http://dx.doi.org/10.2172/10116712.
Texto completo da fonteRakhno, Igor, e Igor Tropin. Accident Scenarios for IOTA Ring and Dose Distributions Calculated with MARS15 Code. Office of Scientific and Technical Information (OSTI), junho de 2018. http://dx.doi.org/10.2172/1469001.
Texto completo da fonteKamboj, S., C. Yu e J. Rabovsky. Potential dose distributions at proposed surface radioactvity clearance levels resulting from occupational scenarios. Office of Scientific and Technical Information (OSTI), agosto de 2011. http://dx.doi.org/10.2172/1021328.
Texto completo da fonteWilson, W. E., e W. D. Jr Reece. Calculation of percentile-distance ratios and scaled absorbed-dose distributions for 0. 05- to 30-keV primary electrons. Office of Scientific and Technical Information (OSTI), outubro de 1991. http://dx.doi.org/10.2172/6040610.
Texto completo da fonteAwschalom, M., e R. K. T. Haken. Dependence of charge collection distributions and dose on the gas type filling the ionization chamber for a p(66)Be(49) clinical neutron beam. Office of Scientific and Technical Information (OSTI), janeiro de 1985. http://dx.doi.org/10.2172/5345986.
Texto completo da fonteAwschalom, Miguel, e R. Ten Haken. Dependence of Charge Collection Distributions and Dose of the Gas Type Filling the Ionization Chamber for a p(66)-Be(49) Clinical Neutron Beam. Office of Scientific and Technical Information (OSTI), janeiro de 1985. http://dx.doi.org/10.2172/1156255.
Texto completo da fonteSchimmel, J. G., e D. M. Beck. Milk production and distribution in low-dose counties for the Hanford Thyroid Disease Study. Hanford Environmental Dose Reconstruction Project. Office of Scientific and Technical Information (OSTI), junho de 1992. http://dx.doi.org/10.2172/10159360.
Texto completo da fonteDeonigi, D. E., D. M. Anderson e G. L. Wilfert. Commercial milk distribution profiles and production locations. Hanford Environmental Dose Reconstruction Project. Office of Scientific and Technical Information (OSTI), abril de 1994. http://dx.doi.org/10.2172/10153894.
Texto completo da fonteVerma, Monika, Thomas Hertel e Paul Preckel. Predicting Within Country Household Food Expenditure Variation Using International Cross-Section Estimates. GTAP Working Paper, setembro de 2009. http://dx.doi.org/10.21642/gtap.wp57.
Texto completo da fonte