Academic literature on the topic 'Tomographie optique'
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Journal articles on the topic "Tomographie optique"
Davis, Cole, and Wayne Kuang. "Optical coherence tomography: a novel modality for scrotal imaging." Canadian Urological Association Journal 3, no. 4 (May 1, 2013): 319. http://dx.doi.org/10.5489/cuaj.1128.
Full textTualle, Jean-Michel, Kinia Barjean, Dominique Ettori, and Éric Tinet. "La tomographie optique diffuse." Photoniques, no. 62 (November 2012): 38–41. http://dx.doi.org/10.1051/photon/20126238.
Full textLamirel, C., O. Gout, D. Iossifov, R. Deschamps, I. Cochereau, and C. Vignal Clermont. "367 Neuropathies optiques rétrobulbaires et tomographie par cohérence optique." Journal Français d'Ophtalmologie 28 (March 2005): 254. http://dx.doi.org/10.1016/s0181-5512(05)74764-1.
Full textCoscas, G., F. Coscas, A. Zourdani, and G. Soubrane. "Tomographie par cohérence optique et DMLA." Journal Français d'Ophtalmologie 27, no. 9 (November 2004): 7–30. http://dx.doi.org/10.1016/s0181-5512(04)96269-9.
Full textMazlin, Viacheslav, Samer Alhaddad, Martine Boccara, Thomas Maldiney, Olivier Touvenin, and Claude Boccara. "De la Tomographie Optique par Cohérence Plein champ (FFOCT) à la Tomographie Optique par Transmission Plein Champ (FFOTT)." Photoniques, no. 123 (2023): 31–35. http://dx.doi.org/10.1051/photon/202312331.
Full textCombey-de Lambert, A., S. Lalanne, and J. P. Romanet. "Tomographie en cohérence optique (OCT) et diabète." Médecine des Maladies Métaboliques 1, no. 4 (November 2007): 41–42. http://dx.doi.org/10.1016/s1957-2557(07)74141-x.
Full textMordon, Serge, Vincent Maunoury, Philippe Bulois, Pierre Desreumaux, and Jean-Frédéric Colombel. "La tomographie par cohérence optique en gastroentérologie." Gastroentérologie Clinique et Biologique 29, no. 5 (May 2005): 618–20. http://dx.doi.org/10.1016/s0399-8320(05)82145-1.
Full textBidot, S., V. Vasseur, and C. Vignal-Clermont. "Tomographie par cohérence optique et hypertension intracrânienne." Journal Français d'Ophtalmologie 36, no. 3 (March 2013): 277–85. http://dx.doi.org/10.1016/j.jfo.2012.11.006.
Full textGaillard, M. C., T. J. Wolfensberger, S. Uffer, I. Mantel, J. A. Pournaras, D. F. Schorderet, and F. L. Munier. "Tomographie à Cohérence Optique dans la Malattia Leventinese." Klinische Monatsblätter für Augenheilkunde 222, no. 03 (March 2005): 180–85. http://dx.doi.org/10.1055/s-2005-857972.
Full textBaudouin, C., A. El Maftouhi, S. Dupont-Monod, and P. Hamard. "L’angle irido-cornéen en tomographie de coherence optique." Journal Français d'Ophtalmologie 32, no. 3 (March 2009): 172–75. http://dx.doi.org/10.1016/j.jfo.2009.03.007.
Full textDissertations / Theses on the topic "Tomographie optique"
Lanquart, J. P. "Tomographie optique des plasmas." Doctoral thesis, Universite Libre de Bruxelles, 1985. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/213626.
Full textDefontaine-Caritu, Marielle. "Reconstruction optique de tomographies : application à la tomographie ultrasonore en réflexion." Compiègne, 1995. http://www.theses.fr/1995COMPD814.
Full textApelian, Clément. "Imagerie Optique Multimodale des tissus par Tomographie Optique Cohérente Plein Champ." Thesis, Paris Sciences et Lettres (ComUE), 2017. http://www.theses.fr/2017PSLET009/document.
Full textFull filed optical coherence tomography is a microscopy imaging technique allowing to image a specific slice in a scattering medium, in depth. This technique has been used for the diagnosis of biopsy in cancerology. This technique could be an efficient and fast way to diagnose excised tissues during surgery. This would avoid numerous reoperations procedures. These reoperations are necessary when a pathologist suspects cancerous tissue to still be present in the patient, based on histological slide examination.FFOCT has shown promising results for that purpose. Nevertheless, this technique only gives a morphological contrast of tissues, which is not enough for applying some diagnostic criteria such as cell morphology or cell density.We developed a new imaging modality based on FFOCT allowing to reveal metabolic contrast in tissues at the subcellular scale. This contrast reveals cells previously indistinguishable with FFOCT. We also used this quantitative metric to propose tools to facilitate diagnosis, using machine learning approaches
Zouaoui, Judy. "Tomographie optique diffuse multispectrale résolue en temps." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAY071/document.
Full textIn medical imaging, the ability to accurately retrieve and quantify the composition of turbid media is challenging and would enable to diagnose some diseases or to better study physiological processes. Diffuse optical tomography (DOT) is an attractive medical imaging technique which permits to probe in depth using near-infrared light and to reconstruct in three dimensions the composition of biological tissues non-invasively, non-ionizing and with potentially high specificity. To obtain endogenous chromophore (oxy- and desoxy-hemoglobin) features in the depth of a highly scattering medium, a multiwavelength time domain optical setup combined to a three-dimensional reconstruction algorithm was developed. Experimental measurements were conducted in reflectance geometry by illuminating a perturbed medium (with a heterogeneity) with a picosecond laser and by collecting, for several wavelengths and multi-positions, the backscattered light via two fibers connected to two dedicated detectors and coupled to a time-correlated single photon counting system. The data processing of these time-resolved measurements and those of a known reference medium was performed by supposing that the propagation of light is governed by the diffusion approximation and using a method based on Mellin-Laplace transform. Numerical and phantom experiments on series of objects similar to biological media demonstrate that this technique has the potential to give quantitative medical images. We have highlighted a correct quantification for the less absorbing objects at 10 mm depth while underestimation results at deeper depths and higher absorptions. Furthermore, the multimodal imaging brings improvements in quantification in depth and thus it can be a good opportunity to DOT for its future clinical applications
Rilling, Madison. "Conception de systèmes tomographiques à imageurs multiples pour la dosimétrie à scintillation volumétrique." Doctoral thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/66817.
Full textThis thesis simplifies and generalizes the developmental workflow of volumetric scintillation dosimetry systems. Due to the high complexity of radiation dose distributions delivered to patients by means of modern radiotherapy treatment techniques, it is essential to have clinical tools capable of measuring the full three-dimensional (3D) dose distributions delivered by medical linear accelerators. Imaging-based volumetric scintillation dosimetry offers promising solutions with potential for both high spatial and temporal resolution. To ease the development of experimental prototypes, this thesis puts forth a generalized design workflow based on the real ray tracing capabilities of optical design software. The proposed method allows for a complete and precise optical modeling of tomographic systems composed of multiple cameras, either standard or plenoptic, used to image the fluorescent light emission induced by radiation in translucent scintillator volumes. This thesis provides the reader with both the contextual and theoretical background in medical physics and optical engineering to understand fully and to appreciate the work carried out in the context of external beam radiation therapy. The main contributions of the thesis are three-fold. First, a simulative study serves to validate the generalized workflow for optical and tomographic modeling of multiple imager-based scintillation dosimetry systems using optical design software. Subsequently, a feasibility study demonstrates the simulation-to-experimental implementation of a tomographic-based prototype using multiple plenoptic camera images of a plastic scintillator volume for volumetric dose measurements. Finally, a comparative analysis between the use of sandard versus plenoptic cameras in the context of emission computed tomography is carried out, leading to the discussion of potential future work needed to better define and quantify the tomographic contribution of each respective type of imaging system. Concretely, the generalized design workflow based on the innovative use of optical design software elaborated within the pages of this thesis both simplifies and decouples the phases of prototype development, offering increased flexibility in designing future clinical tools for 3D dosimetry. This work thus paves the way for developing next-generation measurement systems in volumetric scintillation dosimetry and other tomography-based imaging applications.
Lafaille, David. "Tomographie Optique Cohérente et Optique Adaptative. Étude d'un prototype d'application à l'ophtalmologie." Phd thesis, Université Paris-Diderot - Paris VII, 2005. http://tel.archives-ouvertes.fr/tel-00010421.
Full textBarolle, Victor. "Approche matricielle de la tomographie à cohérence optique." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLET012.
Full textInterferometric techniques of microscopy display sensitivity to aberrations affecting both resolution and depth of imaging. Formerly introduced in astronomy, different methods of adaptive optics have been applied to microscopy in order to compensate for these effects. Most of them rely on the measurement of the wave front and on a close-loop correction of the aberrations using wave-front control devices. These methods are nevertheless limited by the rates of measurement and correction and can only compensate for low-order aberrations.The purpose of this thesis is to present an innovative matrix approach relying on the analysis of a new operator, the distorsion matrix, allowing to locally quantify the scattering and aberration parameters, and to compensate for the aberrations over the whole field of view. Besides, we introduce a mathematical formalism in order to describe the effects of aberrations in full-field OCT and we extend the scope of the matrix approach to very large fields of view thanks to an experimental setup of reflection matrix measurement inspired by this technique of imaging
Mazlin, Viacheslav. "Tomographie optique cohérente pour l’imagerie in vivo de la cornée." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLET024.
Full textThis PhD project aimed to create an optical system for non-contact cellular resolution imaging of the human cornea in vivo. To achieve that, the contact ex vivo time-domain full-field optical coherence tomography (FFOCT) system was transformed into a non-contact in vivo imaging device and was for the first time applied to the human eye. FFOCT acquired images from the entire human cornea, limbus, sclera and tear film, revealing cells and nerves, which could be quantified over a millimetric field-of-view, beyond the capability of confocal microscopy and conventional optical coherence tomography (OCT). Blood flow and tear film dynamics could be directly followed and quantified. Furthermore, FFOCT was combined with a conventional OCT to perform real-time axial eye tracking and defocusing correction. The latter enabled real-time FFOCT imaging and display, which opens a path for future device implementation in clinical research and practice. Bench to bedside transfer of FFOCT is further stimulated by several solutions proposed in the manuscript, aiming to reduce the instrumentational complexity. Finally, a related FFOCT device was applied to imaging in vivo human retina, revealing the photoreceptors
Tong, Xiao. "Recalage d'image de la tomographie optique diffuse de fluorescence (fDOT) et la tomographie par émission de positons (TEP) et le développement de tomographie optique en multi-angle." Phd thesis, Université Paris Sud - Paris XI, 2012. http://tel.archives-ouvertes.fr/tel-00795178.
Full textBen, Houcine Karim. "Tomographie optique par interférométrie à faible longueur de cohérence : applications à l'imagerie optique en milieu diffusant." Saint-Etienne, 2003. http://www.theses.fr/2003STET4006.
Full textOptical imaging techniques through scattering medium are highly interesting in several areas more particularly in biology and medicine. The imaging system presented here is based on temporal selection by means of a low temporal coherence light source. The study has lead us to consider interferometric systems of low coherence length (or of wide spectral bandwidth) such as temporal optical correlations methods which allow to obtain, from a short time reference, the temporal response of probe objects. A significant point of this work comes from the spectral bandwidth sampling of the low coherent source by tuning the optical frequency of the laser. In spite of the storage time increase, this technique allows to filter and to access to more information on the correlation signal (phase measurement as well as amplitude) by observing signal evolution versus optical frequency. Experimental results with known objects permit to observe main phenomena in this kind of system and also make it possible to image the whole field
Books on the topic "Tomographie optique"
Measuring the quantum state of light. Cambridge, UK: Cambridge University Press, 1997.
Find full textDiffuse optical tomography: Principles and applications. Boca Raton: CRC Press, 2011.
Find full textBrezinski, Mark E. Optical Coherence Tomography: Principles and Applications. Elsevier Science & Technology Books, 2006.
Find full textJiang, Huabei. Diffuse Optical Tomography: Principles and Applications. Taylor & Francis Group, 2018.
Find full textJiang, Huabei. Diffuse Optical Tomography: Principles and Applications. Taylor & Francis Group, 2018.
Find full textWang, Lihong V., and Hsin-i. Wu. Biomedical Optics: Principles and Imaging. Wiley & Sons, Incorporated, John, 2012.
Find full textWu, Hsin-I., and Lihong V. Wang. Biomedical Optics: Principles and Imaging. Wiley & Sons, Incorporated, John, 2012.
Find full textBook chapters on the topic "Tomographie optique"
Haouchine, B., and A. Lecleire-Collet. "Tomographie en cohérence optique." In Décollements De Rétine, 71–76. Elsevier, 2011. http://dx.doi.org/10.1016/b978-2-294-71471-9.50011-4.
Full textCLAVEAU, Rémy, Sébastien MARBACH, Stéphane PERRIN, Amir NAHAS, Manuel FLURY, and Paul MONTGOMERY. "Microscopie interférométrique." In Imageries optiques non conventionnelles pour la biologie, 177–206. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9132.ch6.
Full textVERRIER, Nicolas, Matthieu DEBAILLEUL, Bertrand SIMON, and Olivier HAEBERLÉ. "Microscopie tomographique diffractive en transmission." In Imageries optiques non conventionnelles pour la biologie, 143–75. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9132.ch5.
Full textBadel, P., and E. Maire. "X-ray tomography analysis of the mechanical behaviour of reinforcements in composites." In Composite Reinforcements for Optimum Performance, 579–99. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-12-819005-0.00018-6.
Full textBadel, P., and E. Maire. "X-ray tomography analysis of the mechanical behaviour of reinforcements in composites." In Composite Reinforcements for Optimum Performance, 565–87. Elsevier, 2011. http://dx.doi.org/10.1533/9780857093714.4.565.
Full textKumar PK, Mithun, and Mohammad Motiur Rahman. "Calcifications Attenuation in Left Coronary Artery CT Images Using FDA Domain." In Medical Imaging, 1258–80. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-0571-6.ch051.
Full textM.B. Momin, Sheikh, Antonio Belli, and Philip J. O’Halloran. "Novel Techniques in the Assessment of Sports-Related Traumatic Brain Injury." In Concussion - State-of-the-Art [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.112443.
Full textSaxena, Priyank, and R. Sukesh Kumar. "Restoration of CT Images Corrupted With Fixed Valued Impulse Noise Using an Optimum Decision-Based Filter." In Advances in Multimedia and Interactive Technologies, 220–39. IGI Global, 2018. http://dx.doi.org/10.4018/978-1-5225-5246-8.ch008.
Full textPandian, R., S. LalithaKumari, V. AmalaRani, B. PrabhuDassBatvari, and R. RajaKumar. "A Novel Compression Algorithm Based on Bio-Orthogonal Transform and Encoding Methods for Computed Tomography Images." In Advances in Parallel Computing. IOS Press, 2021. http://dx.doi.org/10.3233/apc210003.
Full textSharma, Arpit Kumar, Amita Nandal, Liang Zhou, Arvind Dhaka, and Tao Wu. "Brain Tumor Classification Using Modified VGG Model-Based Transfer Learning Approach." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2021. http://dx.doi.org/10.3233/faia210051.
Full textConference papers on the topic "Tomographie optique"
Uchida, Kazuhiro, Shinpei Okawa, Kazuto Masamoto, Yoko Hoshi, and Yukio Yamada. "Effect of the Arrangement of Optodes for 3D Diffuse Optical Tomography." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44480.
Full textEl-Sherbiny, S. M., E. M. Saad, and M. A. A. El-Dosoky. "An optimum design of continuous-wave ultrasonic tomographic technique." In Proceedings of the Twenty-First National Radio Science Conference. IEEE, 2004. http://dx.doi.org/10.1109/nrsc.2004.239923.
Full textLi, Cuihuan, Youhua Wang, Duyan Geng, Xiaoguang Yang, and Xueqin Shen. "Regularization Parameter Optimum Based on Quasi-Optimum Criterion for Image Reconstruction of Electrical Capacitance Tomography." In 2012 Sixth International Conference on Electromagnetic Field Problems and Applications (ICEF). IEEE, 2012. http://dx.doi.org/10.1109/icef.2012.6310395.
Full textESCALONA-GALVIS, LUISWALDO, PAULINA DIAZ-MONTIEL, and SATCHI VENKATARAMAN. "Optimum Sensing Configurations for Delamination Identification Using Electrical Resistance Tomography." In American Society for Composites 2017. Lancaster, PA: DEStech Publications, Inc., 2017. http://dx.doi.org/10.12783/asc2017/15376.
Full textCorlu, Alper, Turgut Durduran, Regine Choe, Kijoon Lee, Martin Schweiger, Elizabeth M. C. Hillman, Simon R. Arridge, and Arjun G. Yodh. "Optimum wavelengths in continuous-wave multi-spectral diffuse optical tomography." In Biomedical Topical Meeting. Washington, D.C.: OSA, 2004. http://dx.doi.org/10.1364/bio.2004.wb4.
Full textCollins-Jones, Liam H., Clare E. Elwell, and Robert J. Cooper. "Optimum Selection of Individual-Level Neonatal Models in Place of Subject-Specific Priors for Infant Diffuse Optical Tomography." In European Conference on Biomedical Optics. Washington, D.C.: Optica Publishing Group, 2021. http://dx.doi.org/10.1364/ecbo.2021.em2c.1.
Full textESCALONA-GALVIS, LUIS WALDO, PAULINA DIAZ-MONTIEL, and SATCHI VENKATARAMAN. "Optimum Reduction of Electrodes Needed for Delamination Identification using Electrical Resistance Tomography." In Structural Health Monitoring 2017. Lancaster, PA: DEStech Publications, Inc., 2017. http://dx.doi.org/10.12783/shm2017/13902.
Full textRoslee, Muhammad Nuriffat, Siti Zarina Binti Mohd Muji, Ariffuddin Bin Joret, Mohd Fadzli Bin Abd Shaib, Mohd Anuaruddin Ahmadon, Shingo Yamaguchi, and Nuramin Fitri Aminuddin. "Simulation on Ultrasonic Tomography for Optimum Resonance Frequency and Amplitude Input Signal." In 2022 IEEE International Conference on Consumer Electronics - Taiwan. IEEE, 2022. http://dx.doi.org/10.1109/icce-taiwan55306.2022.9869065.
Full textKrishnan, Sunder Ram, and Chandra Sekhar Seelamantula. "Optimum parameter selection in sparse reconstruction of frequency-domain optical-coherence tomography signals." In 2014 International Conference on Digital Signal Processing (DSP). IEEE, 2014. http://dx.doi.org/10.1109/icdsp.2014.6900828.
Full textCorlu, Alper, Turgut Durduran, Regine Choe, Kijoon Lee, Martin Schweiger, Simon R. Arridge, and Arjun G. Yodh. "White light diffuse optical tomography and validation of optimum wavelengths for CW DOT." In Biomedical Topical Meeting. Washington, D.C.: OSA, 2006. http://dx.doi.org/10.1364/bio.2006.wd7.
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