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Author: Tamy Boubekeur
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Book Description
La reprèsentation des surfaces du monde réel dans la mémoire d'une machine peut désormais être obtenue automatiquement via divers périphériques de capture tels que les scanners 3D. Ces nouvelles sources de données, précises et rapides, amplifient de plusieurs ordres de grandeur la résolution des surfaces 3D, apportant un niveau de précision élevé pour les applications nécessitant des modèles numériques de surfaces telles que la conception assitée par ordinateurs, la simulation physique, la réalité virutelle, l'imagerie médicale, l'architecture, l'éude archéologiqe, les effets spéciaux, l'animation ou bien encore les jeux vidéo. Malheureusement, la richesse de la géomérie produite par ces méthodes induit une grande, voire gigantesque masse de données à traiter, nécessitant de nouvelles structures et de nouveaux algortithmes capables de passer à l'échelle d'objets pouvant atteindre le milliard d'échantillons. Dans cette thèse, je propose des solutions performantes en temps et en espace aux problèmes de la modélisation, du traitement géométrique, de l'édition intéractive et de la visualisation de ces surfaces 3D complexes. La méthodologie adoptée pendant l'élaboration transverse de ces nouveaux algortithmes est articulée autour de 4 éléments clés : une approche hiérarchique systématique, une réduction docale de la dimension des problèmes, un principe d'échantillonage-reconstrucion et une indépendance à l'énumération explicite des relations topologiques aussi appelée approche basée-points.....
Author: Tamy Boubekeur
Publisher:
ISBN:
Category :
Languages : en
Pages : 168
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Book Description
La reprèsentation des surfaces du monde réel dans la mémoire d'une machine peut désormais être obtenue automatiquement via divers périphériques de capture tels que les scanners 3D. Ces nouvelles sources de données, précises et rapides, amplifient de plusieurs ordres de grandeur la résolution des surfaces 3D, apportant un niveau de précision élevé pour les applications nécessitant des modèles numériques de surfaces telles que la conception assitée par ordinateurs, la simulation physique, la réalité virutelle, l'imagerie médicale, l'architecture, l'éude archéologiqe, les effets spéciaux, l'animation ou bien encore les jeux vidéo. Malheureusement, la richesse de la géomérie produite par ces méthodes induit une grande, voire gigantesque masse de données à traiter, nécessitant de nouvelles structures et de nouveaux algortithmes capables de passer à l'échelle d'objets pouvant atteindre le milliard d'échantillons. Dans cette thèse, je propose des solutions performantes en temps et en espace aux problèmes de la modélisation, du traitement géométrique, de l'édition intéractive et de la visualisation de ces surfaces 3D complexes. La méthodologie adoptée pendant l'élaboration transverse de ces nouveaux algortithmes est articulée autour de 4 éléments clés : une approche hiérarchique systématique, une réduction docale de la dimension des problèmes, un principe d'échantillonage-reconstrucion et une indépendance à l'énumération explicite des relations topologiques aussi appelée approche basée-points.....
Author: Mario Botsch
Publisher: CRC Press
ISBN: 1568814267
Category : Computers
Languages : en
Pages : 244
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Book Description
Geometry processing, or mesh processing, is a fast-growing area of research that uses concepts from applied mathematics, computer science, and engineering to design efficient algorithms for the acquisition, reconstruction, analysis, manipulation, simulation, and transmission of complex 3D models. Applications of geometry processing algorithms already cover a wide range of areas from multimedia, entertainment, and classical computer-aided design, to biomedical computing, reverse engineering, and scientific computing. Over the last several years, triangle meshes have become increasingly popular, as irregular triangle meshes have developed into a valuable alternative to traditional spline surfaces. This book discusses the whole geometry processing pipeline based on triangle meshes. The pipeline starts with data input, for example, a model acquired by 3D scanning techniques. This data can then go through processes of error removal, mesh creation, smoothing, conversion, morphing, and more. The authors detail techniques for those processes using triangle meshes. A supplemental website contains downloads and additional information.
Author: Oliver Deussen
Publisher: Pro Universitate
ISBN: 9783898386098
Category : Computer vision
Languages : en
Pages : 432
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Book Description
Author: Mingquan Zhou
Publisher: Springer Science & Business Media
ISBN: 3642280994
Category : Computers
Languages : en
Pages : 266
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Book Description
"Digital Preservation Technology for Cultural Heritage" discusses the technology and processes in digital preservation of cultural heritage. It covers topics in five major areas: Digitization of cultural heritage; Digital management in the cultural heritage preservation; Restoration techniques for rigid solid relics; Restoration techniques for paintings; Digital museum. It also includes application examples for digital preservation of cultural heritage. The book is intended for researchers, advanced undergraduate and graduate students in Computer Graphics and Image Processing as well as Cultural heritage preservation. Mingquan Zhou is a professor at the College of Information Science and Technology, Beijing Normal University, China. Guohua Geng is a professor at the College of Information Science and Technology, Northwest University, Xi'an, China. Zhongke Wu is a professor at the College of Information Science and Technology, Beijing Normal University, China.
Author:
Publisher:
ISBN:
Category : Image processing
Languages : en
Pages : 298
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Book Description
Author: Markus Gross
Publisher: Elsevier
ISBN: 0080548822
Category : Computers
Languages : en
Pages : 553
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Book Description
The polygon-mesh approach to 3D modeling was a huge advance, but today its limitations are clear. Longer render times for increasingly complex images effectively cap image complexity, or else stretch budgets and schedules to the breaking point. Comprised of contributions from leaders in the development and application of this technology, Point-Based Graphics examines it from all angles, beginning with the way in which the latest photographic and scanning devices have enabled modeling based on true geometry, rather than appearance. From there, it's on to the methods themselves. Even though point-based graphics is in its infancy, practitioners have already established many effective, economical techniques for achieving all the major effects associated with traditional 3D Modeling and rendering. You'll learn to apply these techniques, and you'll also learn how to create your own. The final chapter demonstrates how to do this using Pointshop3D, an open-source tool for developing new point-based algorithms. - The first book on a major development in computer graphics by the pioneers in the field - Shows how 3D images can be manipulated as easily as 2D images are with Photoshop
Author: Anna-Lena Lamprecht
Publisher: Springer
ISBN: 3319516418
Category : Computers
Languages : en
Pages : 158
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Book Description
This book constitutes the refereed proceedings of the 6th International Symposium on Leveraging Applications of Formal Methods, Verification, and Validation, ISoLA 2014, held in Corfu, Greece, in October 2014, and the 5th International Symposium, ISoLA 2012, held in Heraklion, Crete, Greece, in October 2012. The 9 revised full papers presented were carefully reviewed and selected from 22 submissions. This volume combines the post-conference proceedings of the 2014 Doctoral Symposium and the 2014 Tutorial "Automata Learning in Practice" with the post-conference publication of selected contributions from the Tracks "Process-Oriented Geoinformation Systems and Applications" and "Processes and Data Integration in the Networked Healthcare" of ISoLA 2012.
Author: Julie Dorsey
Publisher: Springer Science & Business Media
ISBN: 3709168589
Category : Computers
Languages : en
Pages : 352
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Book Description
The book contains the proceedings of the 8th Eurographics Rendering Workshop, which took place from 16th to 18th June, 1997, in Saint Etienne, France. After a series of seven successful events the workshop is now well established as the major international forum in the field of rendering and illumination techniques. It brought together the experts of this field. Their recent research results are compiled in this proceedings together with many color images that demonstrate new ideas and techniques. This year we received a total of 63 submissions of which 28 were selected for the workshop after a period of careful reviewing and evaluation by the 27 mem bers of the international program committee. The quality of the submissions was again very high and, unfortunately, many interesting papers had to be rejected. In addition to regular papers the program also contains two invited lectures by Shenchang Eric Chen (Live Picture) and Per Christensen (Mental Images). The papers in this proceedings contain new research results in the areas of Finite-Element and Monte-Carlo illumination algorithms, image-based render ing, outdoor and natural illumination, error metrics, perception, texture and color handling, data acquisition for rendering, and efficient use of hardware. While some contributions report results from more efficient or elegant algo rithms, others pursue new and experimental approaches to find better solutions to the open problems in rendering.
Author: International Federation for Information Processing
Publisher:
ISBN:
Category : Artificial intelligence
Languages : en
Pages : 1264
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Book Description
Author: Heung-Yeung Shum
Publisher: Springer Science & Business Media
ISBN: 0387326685
Category : Computers
Languages : en
Pages : 425
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Book Description
Focusing exclusively on Image-Based Rendering (IBR) this book examines the theory, practice, and applications associated with image-based rendering and modeling. Topics covered vary from IBR basic concepts and representations on the theory side to signal processing and data compression on the practical side. One of the only titles devoted exclusively to IBR this book is intended for researchers, professionals, and general readers interested in the topics of computer graphics, computer vision, image process, and video processing. With this book advanced-level students in EECS studying related disciplines will be able to seriously expand their knowledge about image-based rendering.
