Добірка наукової літератури з теми "Stéréovison"
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Статті в журналах з теми "Stéréovison"
Aubert, Didier, and Raphaël Labayrade. "Détection d’obstacles routiers par stéréovision : l’approche « v-disparité »." Annales Des Télécommunications 60, no. 3-4 (April 2005): 299–325. http://dx.doi.org/10.1007/bf03219823.
Повний текст джерелаDarrouich, Medhi, Stéphane Guyetant, and Dominique Lavenier. "Étude quantitative d’algorithmes de stéréovision pour les systèmes embarqués d’aide à la conduite." Techniques et sciences informatiques 30, no. 5 (May 28, 2011): 539–69. http://dx.doi.org/10.3166/tsi.30.539-569.
Повний текст джерелаRossi, 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.
Повний текст джерелаORTEU, Jean-José. "Mesure 3D de formes et de déformations par stéréovision." Travail des matériaux - Assemblage, April 2002. http://dx.doi.org/10.51257/a-v1-bm7015.
Повний текст джерелаДисертації з теми "Stéréovison"
Schemali, Leila. "Interaction, édition et visualisation stéréoscopiques." Electronic Thesis or Diss., Paris, ENST, 2015. http://www.theses.fr/2015ENST0007.
Повний текст джерелаStereoscopy has developed since 1838 through photography, movies, virtual reality andscientific visualization. Stereoscopic displays have increased in quality since the first stereoscope andstereoscopic content is now widely available. Furthermore, the understanding of 3D models is greatlyeased by stereoscopy, in particular for educational purposes or medical data visualization. The messageconveyed by an image is also further held by stereoscopy. Used in an artistic way, stereoscopy can bean important emotional vector.However, the depth interval of a stereoscopic image is limited by the displays technologies as well asthe human visual system. It is thus still difficult to create stereoscopic content ensuring a comfortableexperience to the viewer while using stereoscopy appropriately. To overcome this limitation, severalmethods have been developed, in particular to ease stereo image acquisition, but a great amount ofmanual work still remains. Moreover, stereoscopic content manipulation requires specific tools, whichare still to define. Finally, many stereoscopic display methods are available, with some more appropriateto specific viewing conditions than others.This thesis was conducted in this context, with the following contributions : the definition of a stereoscopicuser interaction model designed for a desktop environment, a new depth editing method ensuringthe viewer’s comfort and a new way to create single-image stereo using chromo-stereoscopy
Niquin, Cédric. "Reconstruction du relief et mixage réel/virtuel par caméras relief multi-points de vues." Thesis, Reims, 2011. http://www.theses.fr/2011REIMS006/document.
Повний текст джерелаThe display in 3D, with or without glasses, becomes more and more popular. The auto-stereoscopic displays contain between 2 and 9 images. The creation, transmission or display of such images correspond to scientific obstacles. Indeed the transmission of the images needs compression methods that exploit information redundancy between frames. The display requires that the same content can be viewed on all screens, which is possible only by using methods of intermediate views rendering. Finally the context of multi-view brings new perspectives in augmented reality, like the projection of shadows and occlusion between real and virtual content. All these applications can be obtained by computing the depths of the scene. Stereovision methods allow depth estimation, but are generic and not well suited to the context of multi-view images or the application mentioned above. We propose in this thesis a pipeline dedicated to the depth reconstruction of a scene in a multi-view context.Through a new expression of the multi-view matching, which involves grouping the pixels representing the same point of the scene in "match" and thus form a partitioning of all pixels, our pipeline finds information redundancies in order to obtain a robust estimation of depths. This expression defines exactly occlusions in the scene, which raises much of the ambiguity in image compression and intermediate views rendering. We also present a new constraint, integrated in our pipeline, which ensures the geometric consistency of the reconstructed depths. This constraint is essential for a consistent mix between virtual and real objects, and is also very useful for intermediate views rendering. Our pipeline consists of four modules : " point cloud generation ", "surface reconstruction ", depth refinement " and " time tracking ".Apart from the first module city, others are optional and their use depends on needs and target applications. Thus, the results of our pipeline are depth maps, a point cloud or a mesh representing the scene. As a proof of the pipeline, we present two implementations of it. The first, called local, is based on fast algorithms to reconstruct the scene in real time. The second implementation is dedicated to post-production applications and generates better quality depth at the expense of longer computation time. We also demonstrate the relevance of our pipeline by providing new methods of multi-view image compression, intermediate views rendering and augmented reality
Delherm, Catherine. "Reconstruction volumique dense par stéréovision axiale." Clermont-Ferrand 2, 1995. http://www.theses.fr/1995CLF21754.
Повний текст джерелаBrandou, Vincent. "Stéréovision locale et reconstruction 3D/4D." Nice, 2008. http://www.theses.fr/2008NICE4093.
Повний текст джерелаThe aim of this study is to propose a complete 3-dimension reconstruction method of natural submarine objects improved by a new acquisition method for quantitative measures, which can be used in operational conditions. First, it was necessary to take into account the various problems connected with the deep sea environment ; the main constraint is that the system used to collect images must be manipulated at very important depths, up to 6000 meters by an underwater vehicle positioned on the sea floor. Thus, a method allowing the automatic acquisition of images was developed, adapted to any type of small-scale submarine object (approximately 1m 3). The image acquisition is performed with a stereovision system operated by a manipulator arm. The method that we propose enables us to know extrinsic camera parameters by following a specific trajectory defined by the geometry of a stereo rig. Indeed, the trajectory is generated by the displacement of one camera onto the position of the other one by visual servoing. With this method, we can register images at regular intervals directly linked to the geometry of the stereo rig. Then, the 3D model of the underwater object is calculated from the collected images and camera parameters. The final result is a dense 3D reconstruction with texture mapping that enables metric measures. Keywords: 3D metrology, computer vision, stereovision system, visual servoing, camera trajectory, 3D reconstruction
Perrollaz, Mathias. "Détection d'obstacles multi-capteurs supervisée par stéréovision." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2008. http://tel.archives-ouvertes.fr/tel-00656864.
Повний текст джерелаLavest, Jean-Marc. "Stéréovision axiale par zoom pour la robotique." Clermont-Ferrand 2, 1992. http://www.theses.fr/1992CLF21445.
Повний текст джерелаWang, Yun. "Stéréovision robotique : algorythmes de mise en correspondance." Paris 12, 1987. http://www.theses.fr/1987PA120006.
Повний текст джерелаZimmer, Jean-Philippe. "Modélisation de visage en temps réel par stéréovision." Dijon, 2001. http://www.theses.fr/2001DIJOS033.
Повний текст джерелаAdelbaset, Ahmed Yaser. "Algorithmes de mise en correspondance en stéréovision passive." Rennes 1, 2001. http://www.theses.fr/2001REN10013.
Повний текст джерелаAlami, Mohammed. "Stéréovision passive avec modélisation curviligne pour la robotique." Paris 11, 1987. http://www.theses.fr/1987PA112354.
Повний текст джерелаThis thesis presents a method and its implementation for the Localization of 3D features of objects in tridimensionnal space. The handled parts are opaque. First, the segmented image of a scene is approximated by curves. Our method is based upon the use of circle arcs. This approach increases the precision of the approximation over the classical method using Line segments; furthermore the amount of data is decreased and it is best fitted for non-polyhedrical objects as well as for polyhedrical ones. Localization of 3D features is built around a stereovision method (K2D) that we have developed. For this purpose, we need two images of the scene taken from different points. Using circle arcs primitives improves the overall matching process. An image is considered as a set of "connected components' of circle arcs. We cannot expect one-to-one fitting between features of two images for non-polyhedral objects. So, the matching must be done between parts of circle arcs. We treat each image as a graph whose arcs are the circle arcs. These graphs are divided in connected components. The processing is done by matching the connected components. The method has been tested on industrical parts images as well as common life objects. Matchings are good over 95%, and the computational time encourages us to seek for real time implementation
Тези доповідей конференцій з теми "Stéréovison"
Wang, Y., D. Joannic, P. Delassus, A. Lalande, P. Juillion, and J. F. Fontaine. "Comparaison de la mesure des déformations de fantômes de l’aorte à partir d’image obtenues par IRM et stéréovision." In 17th International Congress of Metrology, edited by Bernard Larquier. Les Ulis, France: EDP Sciences, 2015. http://dx.doi.org/10.1051/metrology/20150009002.
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