Academic literature on the topic 'Traitement d'images 3D'
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Journal articles on the topic "Traitement d'images 3D"
Delvit, Jean-Marc, and Céline L'Helguen. "Observer la Terre en 3D avec Pléiades-HR." Revue Française de Photogrammétrie et de Télédétection, no. 209 (January 29, 2015): 11–16. http://dx.doi.org/10.52638/rfpt.2015.155.
Full textRossi, Lucile. "Développement de systèmes de mesure basés sur la Stéréovision dédiés aux feux en propagation." Revue Française de Photogrammétrie et de Télédétection, no. 201 (April 16, 2014): 2–12. http://dx.doi.org/10.52638/rfpt.2013.41.
Full textGademer, Antoine, Loïca Avanthey, Laurent Beaudouin, Michel Roux, and Jean-Paul Rudant. "Micro-charges utiles dédiées à l'acquisition de données par drone pour l'étude des zones naturelles." Revue Française de Photogrammétrie et de Télédétection, no. 213 (March 31, 2017): 19–31. http://dx.doi.org/10.52638/rfpt.2017.192.
Full textHeinkelé, Christophe, Pierre Charbonnier, Philippe Foucher, and Emmanuel Moisan. "Pré-localisation des données pour la modélisation 3D de tunnels : développements et évaluations." Revue Française de Photogrammétrie et de Télédétection 1, no. 221 (March 2, 2020): 49–63. http://dx.doi.org/10.52638/rfpt.2019.440.
Full textLEMOINE, Thierry. "Imagerie médicale par rayons X - Traitements d'image 3D." Technologies biomédicales, June 2015. http://dx.doi.org/10.51257/a-v1-med204.
Full textDissertations / Theses on the topic "Traitement d'images 3D"
Desbarats, Pascal. "Structuration d'images segmentées 3D discrètes." Bordeaux 1, 2001. http://www.theses.fr/2001BOR12486.
Full textItthirad, Frédéric. "Acquisition et traitement d'images 3D couleur temps réel." Thesis, Saint-Etienne, 2011. http://www.theses.fr/2011STET4011.
Full textThe existing 3D sensors aren’t much used and are only capable of capturing 3D dat. When 2D data are necessary, one has to use another camera and correlate the 2 images. NT2I has decided to develop its own solution in order to control the acquisition chain. My work has been to develop a specific camera with color, calibration, and image processing algorithms. In that purpose, I've worked on the extension of the LIP model (Logarithmic Image Processing) for color images and on the implementation of real time algorithms
Voisin, Sophie. "3D model acquisition, segmentation and reconstruction using primitive fitting." Dijon, 2008. http://www.theses.fr/2008DIJOS056.
Full textThe reverse engineering of a 3D object consists to identify the main parts or primitives, which best reconstruct its 3D point cloud. Because the success of the reconstruction process is greatly influenced by the errors generated along the reverse engineering chain, we focus our research on improving two phases of the process. Firstly, in order to minimize the point cloud acquisition errors associated with the use of a structured light projection scanner, we present a method to select the best illumination source and the best object appearance colors depending on the characteristics of the scanner used. Secondly, in order to obtain a simplified representation of the object while maintaining accuracy and realistic representation, we present novel 3D reconstruction and segmentation methods. The originality of these methods is the use of genetic algorithms to obtain the representation of the model using primitives, in our case using superquadriques or supershapes. The particularities of these methods lie in the flexibility provided by the genetic algorithms in solving optimization problems since they do not depend on the initialization process, and lie on the capabilities of the supershapes representation allowing to reconstruct very complex 3D shapes. Despite computing time relatively expensive, we present good performance results in terms of reconstruction and segmentation of objects and/or scenes
Rigaudière, Dominique. "Reconstruction et modélisation 3D à l'aide de squelettes et de surfaces implicites." Dijon, 2002. http://www.theses.fr/2002DIJOS038.
Full textRipoche, Xavier. "Méthodes de traitement d'images radiologiques 3D : applications thérapeutiques et chirurgicales." Paris 11, 2006. http://www.theses.fr/2006PA112040.
Full textBonnard, Jennifer. "Génération d'images 3D HDR." Thesis, Reims, 2015. http://www.theses.fr/2015REIMS014/document.
Full textHDR imaging and 3D imaging are two areas in which the simultaneous but separate development has been growing in recent years. On the one hand, HDR (High Dynamic Range) imaging allows to extend the dynamic range of traditionnal images called LDR (Low Dynamic Range). On the other hand, 3Dimaging offers immersion in the shown film with the feeling to be part of the acquired scene. Recently, these two areas have been combined to provide 3D HDR images or videos but few viable solutions existand none of them is available to the public. In this thesis, we propose a method to generate 3D HDR images for autostereoscopic displays by adapting a multi-viewpoints camera to several exposures acquisition.To do that, neutral density filters are fixed on the objectives of the camera. Then, pixel matchingis applied to aggregate pixels that represent the same point in the acquired scene. Finally, radiance is calculated for each pixel of the set of images by using a weighted average of LDR values. An additiona lstep is necessary because some pixels have wrong radiance. We proposed a method based on the color of adjacent pixels and two methods based on the correction of the disparity of those pixels. The first method is based on the disparity of pixels of the neighborhood and the second method on the disparity independently calculated on each color channel. This pipeline allows the generation of 3D HDR image son each viewpoint. A tone-mapping algorithm is then applied on each of these images. Their composition with filters corresponding to the autostereoscopic screen used allows the visualization of the generated 3DHDR image
Cinquin, Philippe. "Application des fonctions-spline au traitement d'images numériques." Habilitation à diriger des recherches, Grenoble 1, 1987. http://tel.archives-ouvertes.fr/tel-00325721.
Full textLubniewski, Pawel. "Recalage 3D/2D d'images pour le traitement endovasculaire des dissections aortiques." Thesis, Clermont-Ferrand 1, 2014. http://www.theses.fr/2014CLF1MM24/document.
Full textIn this study, we present our works related to 3D/2D image registrationfor aorti dissition. Its aim is to propose a visualization of medial datawhih an be used by physians during endovas ular proedures.For this purpose, we have proposed a parametrimodel of aorta, alleda Tubular Envelope. It is used to express the global shape and deformationsof the aorta, by a minimal number of parameters. The tubular envelope isused in our image registration algorithms.The registration by ITD (Image Transformation Descriptors) is our ori-ginal method of image alignment : itomputes the rigid 2D transformation between data sets diretly, without any optimization process.We provide thedefinition of this method, as well as the proposition of several descriptors' formulae, in the base of images of aorta. The technique allows us to quickly and a poarse alignment between data. We also propose the extension of theoriginal approach for the registration of 3D and 2D images.The complete chain of 3D/2D image registration techniques, proposedin this document, consists of the ITD stage, followed by an intensity basedhybrid method. The use of our 3D/2D algorithm, based on the image trans-formation descriptors as an initialization phase, reduces the computing timeand improves the efficiency of the presented approach.We have tested our registration methods for the medical images of several patients after endovasular treatment. Results have been approved by our clinical specialists and our approach.We have tested our registration methods for the medical images of several patients after endovascular treatment. Results have been approved by our clinical specialists and our approach may appear in the intervention rooms in the futur
El-Hajjaji, Abdellah. "Traitement numérique en 3D d'un couple d'images stéréo du satellite SPOT." Rouen, 1993. http://www.theses.fr/1993ROUES028.
Full textThe aim of our research was to extract the level h of a precise landscape taken over two differents angles by the satellite SPOT. To do so, we have modelised the movement of the satellite and his optical system to transform the two first images in another one, epipolar which will allow us to reduce the matching time and to find with success the equivalent pixels. For the pairing, we have utilised a technic wich is based on the corrolation and of the dynamic programming. This method was very satisfactory and allow us to match 96 % of the equivalent pixels, with an error of less than 5 meters, but the original problem is still a matter of research for complimentary studing
Peyrin, Françoise. "Méthodes de reconstruction d'images 3D a partir de projections coniques de rayons X." Lyon, INSA, 1990. http://www.theses.fr/1990ISAL0028.
Full text[This work is concerned with truly X-ray 3D tomography. The method consists in the acquisition of radiographs of an object for different positions of a X-ray cone beam source. Then the Image is obtained by solving a 3D reconstruction from cone-beam projection problem. The method is first situated with respect to the other imaging modalities in tomography. After a bibliographic study of reconstruction technicals, the generalisation of the back-projection theorem for cone-beam projection is proved. It leads to an inversion formula, which is exact when the source describes the surface of a sphere. The subsequent algorithm iS implemented on a super calculator and tested on simulations. When the source trajectory satisfies the theorem hypothesis, the reconstructed images are satisfying. Other while they can be considered as a first approximation of the object. In order to be less sensitive to the acquisition conditions, an algebraic approach to this problem is considered. The use of three bloc Iterative reconstruction algorithms including or not some simple constraints is proposed. At last, the different methods are applied to the reconstruction of a bony phantom from physical projections, and some conclusions concerning the realisation of a truly 3D X-ray scanner are presented. ]
Books on the topic "Traitement d'images 3D"
Jähne, Bernd. Digital image processing: Concepts, algorithms, and scientific applications. Berlin: Springer-Verlag, 1991.
Find full textDigital image processing. 6th ed. Berlin: Springer, 2005.
Find full textDigital image processing: Concepts, algorithms, and scientific applications. 4th ed. Berlin: Springer, 1997.
Find full textJähne, Bernd. Digital image processing: Concepts, algorithms, and scientific applications. 3rd ed. Berlin: Springer-Verlag, 1995.
Find full textJähne, Bernd. Digital image processing: Concepts, algorithms, and scientific applications. 2nd ed. Berlin: Springer-Verlag, 1993.
Find full textZhang, Song. High-Speed 3D Imaging with Digital Fringe Projection Techniques. Taylor & Francis Group, 2018.
Find full textHigh-Speed 3D Imaging with Digital Fringe Projection Techniques. Taylor & Francis Group, 2016.
Find full textZhang, Song. High-Speed 3D Imaging with Digital Fringe Projection Techniques. Taylor & Francis Group, 2019.
Find full textWorkshop proceedings production process of 3D computer graphics: Applications - structures, roles and tools ; ACM SIGGRAPH and eurographics campfire, June 1 - June 4, 2002, Snowbird, Utah, USA. Aachen: Shaker, 2002.
Find full textImage Synthesis Theory and Practice. Springer Verlag, 1988.
Find full textConference papers on the topic "Traitement d'images 3D"
Lefort, Claire, Mathieu Chalvidal, Alexis Parenté, Véronique BLANQUET, Henri Massias, Laetitia MAGNOL, and Emilie Chouzenoux. "Imagerie 3D par microscopie multiphotonique appliquée aux sciences du vivant : la chaine instrumentale et computationnelle FAMOUS." In Les journées de l'interdisciplinarité 2022. Limoges: Université de Limoges, 2022. http://dx.doi.org/10.25965/lji.221.
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