Geometric Primitive
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Geometric Primitive
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Author : Fouad Sabry
language : en
Publisher: One Billion Knowledgeable
Release Date : 2024-05-05
Geometric Primitive written by Fouad Sabry and has been published by One Billion Knowledgeable this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-05-05 with Computers categories.
What is Geometric Primitive In the fields of vector computer graphics, computer-aided design (CAD) systems, and geographic information systems, the term "geometric primitive" refers to the most basic geometric shape that the system is able to process. However, the subroutines that are responsible for drawing the relevant objects are also referred to as "geometric primitives" in some instances. The point and straight line segment primitives are considered to be the most "primitive" primitives because they were the only ones that early vector graphics systems had. How you will benefit (I) Insights, and validations about the following topics: Chapter 1: Geometric primitive Chapter 2: Dimension Chapter 3: Vector graphics Chapter 4: Computational geometry Chapter 5: Composite Bézier curve Chapter 6: Bézier surface Chapter 7: Non-uniform rational B-spline Chapter 8: Global illumination Chapter 9: Constructive solid geometry Chapter 10: Solid modeling (II) Answering the public top questions about geometric primitive. (III) Real world examples for the usage of geometric primitive in many fields. Who this book is for Professionals, undergraduate and graduate students, enthusiasts, hobbyists, and those who want to go beyond basic knowledge or information for any kind of Geometric Primitive.
From Points To Shape Recovery
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Author : Patrick Hébert
language : en
Publisher:
Release Date : 1994
From Points To Shape Recovery written by Patrick Hébert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Geometric Modeling With Primitives
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Author : Baptiste Angles
language : en
Publisher:
Release Date : 2019
Geometric Modeling With Primitives written by Baptiste Angles and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Both man-made or natural objects contain repeated geometric elements that can be interpreted as primitive shapes. Plants, trees, living organisms or even crystals, showcase primitives that repeat themselves. Primitives are also commonly found in man-made environments because architects tend to reuse the same patterns over a building and typically employ simple shapes, such as rectangular windows and doors. During my PhD I studied geometric primitives from three points of view: their composition, simulation and autonomous discovery. In the first part I present a method to reverse-engineer the function by which some primitives are combined. Our system is based on a composition function template that is represented by a parametric surface. The parametric surface is deformed via a non-rigid alignment of a surface that, once converged, represents the desired operator. This enables the interactive modeling of operators via a simple sketch, solving a major usability gap of composition modeling. In the second part I introduce the use of a novel primitive for real-time physics simulations. This primitive is suitable to efficiently model volume-preserving deformations of rods but also of more complex structures such as muscles. One of the core advantages of our approach is that our primitive can serve as a unified representation to do collision detection, simulation, and surface skinning. In the third part I present an unsupervised deep learning framework to learn and detect primitives. In a signal containing a repetition of elements, the method is able to automatically identify the structure of these elements (i.e. primitives) with minimal supervision. In order to train the network that contains a non-differentiable operation, a novel multi-step training process is presented.
Robust Methods For Geometric Primitive Recovery And Estimation From Range Images
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Author : Irina Lavva
language : en
Publisher:
Release Date : 2006
Robust Methods For Geometric Primitive Recovery And Estimation From Range Images written by Irina Lavva and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Inferring The Existence Of Geometric Primitives To Represent Non Discriminable Data
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Author : James A. Peraire-Bueno
language : en
Publisher:
Release Date : 2021
Inferring The Existence Of Geometric Primitives To Represent Non Discriminable Data written by James A. Peraire-Bueno and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
In this thesis, we set out to find an algorithm that uses only geometric primitives to represent an input pointcloud. In addition to the problems faced in general primitive fitting, non-discriminable data presents additional data association challenges. We propose to address these challenges by estimating the existence rather than parameters of geometric primitives, and explore various options to do so. We first explore a sampling-based Markov-Chain Monte-Carlo approach together with a ray likelihood model. We then explore a neural network approach and finish by presenting a method to make the Chamfer distance differentiable with respect to primitive existence.
Nilpotent Orbits Primitive Ideals And Characteristic Classes
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Author : Walter Borho
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Nilpotent Orbits Primitive Ideals And Characteristic Classes written by Walter Borho and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Mathematics categories.
1. The Subject Matter. Consider a complex semisimple Lie group G with Lie algebra g and Weyl group W. In this book, we present a geometric perspective on the following circle of ideas: polynomials The "vertices" of this graph are some of the most important objects in representation theory. Each has a theory in its own right, and each has had its own independent historical development. - A nilpotent orbit is an orbit of the adjoint action of G on g which contains the zero element of g in its closure. (For the special linear group 2 G = SL(n,C), whose Lie algebra 9 is all n x n matrices with trace zero, an adjoint orbit consists of all matrices with a given Jordan canonical form; such an orbit is nilpotent if the Jordan form has only zeros on the diagonal. In this case, the nilpotent orbits are classified by partitions of n, given by the sizes of the Jordan blocks.) The closures of the nilpotent orbits are singular in general, and understanding their singularities is an important problem. - The classification of irreducible Weyl group representations is quite old.
Encyclopedia Of Geographic Information Science
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Author : Karen Kemp
language : en
Publisher: SAGE
Release Date : 2008
Encyclopedia Of Geographic Information Science written by Karen Kemp and has been published by SAGE this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Science categories.
Geographic information science (GIScience) is an emerging field that combines aspects of many different disciplines. Spatial literacy is rapidly becoming recognized as a new, essential pier of basic education, alongside grammatical, logical and mathematical literacy. By incorporating location as an essential but often overlooked characteristic of what we seek to understand in the natural and built environment, geographic information science (GIScience) and systems (GISystems) provide the conceptual foundation and tools to explore this new frontier. The Encyclopedia of Geographic Information Science covers the essence of this exciting, new, and expanding field in an easily understood but richly detailed style. In addition to contributions from some of the best recognized scholars in GIScience, this volume contains contributions from experts in GIS' supporting disciplines who explore how their disciplinary perspectives are expanded within the context of GIScienceâ€"what changes when consideration of location is added, what complexities in analytical procedures are added when we consider objects in 2, 3 or even 4 dimensions, what can we gain by visualizing our analytical results on a map or 3D display? Key Features Brings together GIScience literature that is spread widely across the academic spectrum Offers details about the key foundations of GIScience, no matter what their disciplinary origins Elucidates vocabulary that is an amalgam of all of these fields Key Themes Conceptual Foundations Cartography and Visualization Design Aspects Data Manipulation Data Modeling Geocomputation Geospatial Data Societal Issues Spatial Analysis Organizational and Institutional Aspects The Encyclopedia of Geographic Information Science is an important resource for academic and corporate libraries.
Spatial Reasoning And Multi Sensor Fusion
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Author : Avinash C. Kak
language : en
Publisher: Morgan Kaufmann
Release Date : 1987
Spatial Reasoning And Multi Sensor Fusion written by Avinash C. Kak and has been published by Morgan Kaufmann this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Computers categories.
Spatial Reasoning and Multi-Sensor Fusion
Principles Of 3d Image Analysis And Synthesis
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Author : Bernd Girod
language : en
Publisher: Springer Science & Business Media
Release Date : 2000-05-31
Principles Of 3d Image Analysis And Synthesis written by Bernd Girod and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-05-31 with Computers categories.
Traditionally, say 15 years ago, three-dimensional image analysis (aka computer vi sion) and three-dimensional image synthesis (aka computer graphics) were separate fields. Rarely were expert
International Encyclopedia Of Geography 15 Volume Set
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Author : Noel Castree
language : en
Publisher: John Wiley & Sons
Release Date : 2017-03-20
International Encyclopedia Of Geography 15 Volume Set written by Noel Castree and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-20 with Science categories.
Representing the definitive reference work for this broad and dynamic field, The International Encyclopedia of Geography arises from an unprecedented collaboration between Wiley and the American Association of Geographers (AAG) to review and define the concepts, research, and techniques in geography and interrelated fields. Available as a robust online resource and as a 15-volume full-color print set, the Encyclopedia assembles a truly global group of scholars for a comprehensive, authoritative overview of geography around the world. Contains more than 1,000 entries ranging from 1,000 to 10,000 words offering accessible introductions to basic concepts, sophisticated explanations of complex topics, and information on geographical societies around the world Assembles a truly global group of more than 900 scholars hailing from over 40 countries, for a comprehensive, authoritative overview of geography around the world Provides definitive coverage of the field, encompassing human geography, physical geography, geographic information science and systems, earth studies, and environmental science Brings together interdisciplinary perspectives on geographical topics and techniques of interest across the social sciences, humanities, science, and medicine Features full color throughout the print version and more than 1,000 illustrations and photographs Annual updates to online edition