Material Appearance Modeling A Data Coherent Approach

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Material Appearance Modeling A Data Coherent Approach

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Author : Yue Dong
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-03

Material Appearance Modeling A Data Coherent Approach written by Yue Dong 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 2013-06-03 with Computers categories.

A principal aim of computer graphics is to generate images that look as real as photographs. Realistic computer graphics imagery has however proven to be quite challenging to produce, since the appearance of materials arises from complicated physical processes that are difficult to analytically model and simulate, and image-based modeling of real material samples is often impractical due to the high-dimensional space of appearance data that needs to be acquired. This book presents a general framework based on the inherent coherency in the appearance data of materials to make image-based appearance modeling more tractable. We observe that this coherence manifests itself as low-dimensional structure in the appearance data, and by identifying this structure we can take advantage of it to simplify the major processes in the appearance modeling pipeline. This framework consists of two key components, namely the coherence structure and the accompanying reconstruction method to fully recover the low-dimensional appearance data from sparse measurements. Our investigation of appearance coherency has led to three major forms of low-dimensional coherence structure and three types of coherency-based reconstruction upon which our framework is built. This coherence-based approach can be comprehensively applied to all the major elements of image-based appearance modeling, from data acquisition of real material samples to user-assisted modeling from a photograph, from synthesis of volumes to editing of material properties, and from efficient rendering algorithms to physical fabrication of objects. In this book we present several techniques built on this coherency framework to handle various appearance modeling tasks both for surface reflections and subsurface scattering, the two primary physical components that generate material appearance. We believe that coherency-based appearance modeling will make it easier and more feasible for practitioners to bring computer graphics imagery to life. This book is aimed towards readers with an interest in computer graphics. In particular, researchers, practitioners and students will benefit from this book by learning about the underlying coherence in appearance structure and how it can be utilized to improve appearance modeling. The specific techniques presented in our manuscript can be of value to anyone who wishes to elevate the realism of their computer graphics imagery. For understanding this book, an elementary background in computer graphics is assumed, such as from an introductory college course or from practical experience with computer graphics.

Physically Based Rendering Of Synthetic Objects In Real Environments

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Author : Joel Kronander
language : en
Publisher: Linköping University Electronic Press
Release Date : 2015-11-10

Physically Based Rendering Of Synthetic Objects In Real Environments written by Joel Kronander and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-10 with Computer graphics categories.

This thesis presents methods for photorealistic rendering of virtual objects so that they can be seamlessly composited into images of the real world. To generate predictable and consistent results, we study physically based methods, which simulate how light propagates in a mathematical model of the augmented scene. This computationally challenging problem demands both efficient and accurate simulation of the light transport in the scene, as well as detailed modeling of the geometries, illumination conditions, and material properties. In this thesis, we discuss and formulate the challenges inherent in these steps and present several methods to make the process more efficient. In particular, the material contained in this thesis addresses four closely related areas: HDR imaging, IBL, reflectance modeling, and efficient rendering. The thesis presents a new, statistically motivated algorithm for HDR reconstruction from raw camera data combining demosaicing, denoising, and HDR fusion in a single processing operation. The thesis also presents practical and robust methods for rendering with spatially and temporally varying illumination conditions captured using omnidirectional HDR video. Furthermore, two new parametric BRDF models are proposed for surfaces exhibiting wide angle gloss. Finally, the thesis also presents a physically based light transport algorithm based on Markov Chain Monte Carlo methods that allows approximations to be used in place of exact quantities, while still converging to the exact result. As illustrated in the thesis, the proposed algorithm enables efficient rendering of scenes with glossy transfer and heterogenous participating media.

Model For Residential House Element And Material Selection By Neutrosophic Multimoora Method

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Author : Edmundas Kazimieras Zavadskas
language : en
Publisher: Infinite Study
Release Date :

Model For Residential House Element And Material Selection By Neutrosophic Multimoora Method written by Edmundas Kazimieras Zavadskas and has been published by Infinite Study this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.

This article aims to create a theoretical evaluation model based on decision support methods for the residential house construction materials and elements selection.

Ground Penetrating Radar Theory And Applications

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Author : Harry M. Jol
language : en
Publisher: Elsevier
Release Date : 2008-12-08

Ground Penetrating Radar Theory And Applications written by Harry M. Jol and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-08 with Science categories.

Ground-penetrating radar (GPR) is a rapidly developing field that has seen tremendous progress over the past 15 years. The development of GPR spans aspects of geophysical science, technology, and a wide range of scientific and engineering applications. It is the breadth of applications that has made GPR such a valuable tool in the geophysical consulting and geotechnical engineering industries, has lead to its rapid development, and inspired new areas of research in academia. The topic of GPR has gone from not even being mentioned in geophysical texts ten years ago to being the focus of hundreds of research papers and special issues of journals dedicated to the topic. The explosion of primary literature devoted to GPR technology, theory and applications, has lead to a strong demand for an up-to-date synthesis and overview of this rapidly developing field. Because there are specifics in the utilization of GPR for different applications, a review of the current state of development of the applications along with the fundamental theory is required. This book will provide sufficient detail to allow both practitioners and newcomers to the area of GPR to use it as a handbook and primary research reference.*Review of GPR theory and applications by leaders in the field*Up-to-date information and references*Effective handbook and primary research reference for both experienced practitioners and newcomers

Materials Science And Engineering Volume I

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Author : Abbas Hamrang
language : en
Publisher: CRC Press
Release Date : 2016-04-19

Materials Science And Engineering Volume I written by Abbas Hamrang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.

This volume highlights the latest developments and trends in advanced non-classical materials and structures. It presents the developments of advanced materials and respective tools to characterize and predict the material properties and behavior. It also includes original, theoretical, and important experimental results that use non-routine method

Medical Imaging

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Author :
language : en
Publisher:
Release Date : 2000

Medical Imaging written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Imaging systems in medicine categories.

Advances In Information Technology In Civil And Building Engineering

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Author : Adel Francis
language : en
Publisher: Springer Nature
Release Date : 2025-03-29

Advances In Information Technology In Civil And Building Engineering written by Adel Francis and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-29 with Technology & Engineering categories.

This book gathers the latest advances, innovations, and applications in the field of information technology in civil and building engineering, presented at the 20th International Conference on Computing in Civil and Building Engineering (ICCCBE), held in Montreal, Canada on August 25-28, 2024. It covers highly diverse topics such as BIM, construction information modeling, knowledge management, GIS, GPS, laser scanning, sensors, monitoring, VR/AR, computer-aided construction, product and process modeling, big data and IoT, cooperative design, mobile computing, simulation, structural health monitoring, computer-aided structural control and analysis, ICT in geotechnical engineering, computational mechanics, asset management, maintenance, urban planning, facility management, and smart cities. Written by leading researchers and engineers, and selected by means of a rigorous international peer-review process, the contributions highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaborations.

Advanced Engineering Materials Iii

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Author : Jing Long Bu
language : en
Publisher: Trans Tech Publications Ltd
Release Date : 2013-08-30

Advanced Engineering Materials Iii written by Jing Long Bu and has been published by Trans Tech Publications Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-30 with Technology & Engineering categories.

Selected, peer reviewed papers from the 3rd International Conference on Advanced Engineering Materials and Technology (AEMT 2013), May 11-12, 2013, Zhangjiajie, China

Outdoor And Large Scale Real World Scene Analysis

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Author : Frank Dellaert
language : en
Publisher: Springer
Release Date : 2012-09-22

Outdoor And Large Scale Real World Scene Analysis written by Frank Dellaert and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-22 with Computers categories.

This book constitutes the thoroughly refereed post-proceedings of the 15th International Workshop on Theoretic Foundations of Computer Vision, held as a Dagstuhl Seminar in Dagstuhl Castle, Germany, in June/July 2011. The 19 revised full papers presented were carefully reviewed and selected after a blind peer-review process. The topic of this Workshop was Outdoor and Large-Scale Real-World Scene Analysis, which covers all aspects, applications and open problems regarding the performance or design of computer vision algorithms capable of working in outdoor setups and/or large-scale environments. Developing these methods is important for driver assistance, city modeling and reconstruction, virtual tourism, telepresence, and motion capture.

Classical Methods Of Statistics

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Author : Otto J.W.F. Kardaun
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-12

Classical Methods Of Statistics written by Otto J.W.F. Kardaun 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 2005-12-12 with Science categories.

Classical Methods of Statistics is a guidebook combining theory and practical methods. It is especially conceived for graduate students and scientists who are interested in the applications of statistical methods to plasma physics. Thus it provides also concise information on experimental aspects of fusion-oriented plasma physics. In view of the first three basic chapters it can be fruitfully used by students majoring in probability theory and statistics. The first part deals with the mathematical foundation and framework of the subject. Some attention is given to the historical background. Exercises are added to help readers understand the underlying concepts. In the second part, two major case studies are presented which exemplify the areas of discriminant analysis and multivariate profile analysis, respectively. To introduce these case studies, an outline is provided of the context of magnetic plasma fusion research. In the third part an overview is given of statistical software; separate attention is devoted to SAS and S-PLUS. The final chapter presents several datasets and gives a description of their physical setting. Most of these datasets were assembled at the ASDEX Upgrade Tokamak. All of them are accompanied by exercises in form of guided (minor) case studies. The book concludes with translations of key concepts into several languages.