Single Shot 3d Sensing Close To Physical Limits And Information Limits
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Single Shot 3d Sensing Close To Physical Limits And Information Limits
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Author : Florian Willomitzer
language : en
Publisher: Springer
Release Date : 2019-07-05
Single Shot 3d Sensing Close To Physical Limits And Information Limits written by Florian Willomitzer and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-05 with Science categories.
This thesis discusses the physical and information theoretical limits of optical 3D metrology, and, based on these principal considerations, introduces a novel single-shot 3D video camera that works close to these limits. There are serious obstacles for a “perfect” 3D-camera: The author explains that it is impossible to achieve a data density better than one third of the available video pixels. Available single-shot 3D cameras yet display much lower data density, because there is one more obstacle: The object surface must be “encoded” in a non-ambiguous way, commonly by projecting sophisticated patterns. However, encoding devours space-bandwidth and reduces the output data density. The dissertation explains how this profound dilemma of 3D metrology can be solved, exploiting just two synchronized video cameras and a static projection pattern. The introduced single-shot 3D video camera, designed for macroscopic live scenes, displays an unprecedented quality and density of the 3D point cloud. The lateral resolution and depth precision are limited only by physics. Like a hologram, each movie-frame encompasses the full 3D information about the object surface and the observation perspective can be varied while watching the 3D movie.
Computational Imaging For Scene Understanding
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Author : Takuya Funatomi
language : en
Publisher: John Wiley & Sons
Release Date : 2024-05-21
Computational Imaging For Scene Understanding written by Takuya Funatomi 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 2024-05-21 with Computers categories.
Most cameras are inherently designed to mimic what is seen by the human eye: they have three channels of RGB and can achieve up to around 30 frames per second (FPS). However, some cameras are designed to capture other modalities: some may have the ability to capture spectra from near UV to near IR rather than RGB, polarimetry, different times of light travel, etc. Such modalities are as yet unknown, but they can also collect robust data of the scene they are capturing. This book will focus on the emerging computer vision techniques known as computational imaging. These include capturing, processing and analyzing such modalities for various applications of scene understanding.
Guide To 3d Photography
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Author : Edward Mitchell, MS, MBA
language : en
Publisher: Edward Mitchell
Release Date : 2013-11-04
Guide To 3d Photography written by Edward Mitchell, MS, MBA and has been published by Edward Mitchell this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-04 with Photography categories.
Guide to 3D Photography is for the beginning 3D photographer, showing how to get started, how to process images on your computer or tablet, and how to view your 3D photographs. You can begin shooting 3D photos using one camera or two, or using integrated 3D cameras. This is a hands-on guide with step-by-step examples for shooting, processing and displaying your 3D images. This guide is intended for the novice to mid-skill level 3D enthusiast; this guide is not targeted at experienced 3D photographers. Anyone can shoot and process 3D - this book shows you how. Using free software that runs on Windows-based personal computers, or free or low-cost apps for iPad or Android tablets and smart phones, your stereo photographs can be turned into viewable 3D photos for display on your computer, displayed online or printed on paper or turned in to glasses free 3D prints (for a service fee). While 3D TVs and monitors provide the best viewing experience, you can get started with free or very low cost filtered glasses. You'll even learn how to create 3D photos that can be viewed without any glasses or special hardware. NOT RECOMMENDED for Black & White or gray scale e-readers as the 3D color photographs in the books can not be viewed - however the photos are available separately online. RECOMMENDED FOR COLOR E-READERs including color tablets and e-reader software on tablets, notebooks and desktop computers. Guide to 3D Photography covers learning "how to see in 3D" to achieve the best 3D effects while avoiding common 3D problems that can ruin 3D photos or cause eyestrain for viewers. The book also covers methods for shooting 3D with one camera, with two cameras, or with commercially made, special purpose 3D cameras, and viewing 3D photos on 3D monitors. Advanced topics include the concept of a 3D "depth box", the importance of the spacing between the left and right image lenses and how that impacts depth captured in the photograph, advanced image processing techniques and methods of creating "wiggle" animated 3D images, as well as red/cyan, green/magenta, yellow/blue and amber/blue anaglyphs. 183 PDF pages. Over 100 photos including red/cyan anaglyph 3D, cross-eyed 3D and 2D photographs. Over 50 illustrations/drawings or screen shots. Table of Contents Contents Trademarks and Copyrights Preface Chapter 1 - Introduction to 3D Photography Chapter 2 - Shooting and Processing Your First 3D Photo Chapter 3 – Processing 3D Images on iPad and Android Tablets Chapter 4 - Learning to see in 3D Chapter 5 - Using Two Cameras for 3D Photography Chapter 6 - Integrated 3D Cameras Chapter 7 - Displaying 3D photos Chapter 8 – Additional Stereoscopic Image Corrections Chapter 9 – Advanced 3D Image Shooting and Processing Chapter 10 – Afterword: The Future of 3D Photography and 3D Video
Media Backends
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Author : Lisa Parks
language : en
Publisher: University of Illinois Press
Release Date : 2023-12-05
Media Backends written by Lisa Parks and has been published by University of Illinois Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-05 with Social Science categories.
Exploring how we make, distribute, and consume today’s media systems Media backends--the electronics, labor, and operations behind our screens--significantly influence our understanding of the sociotechnical relations, economies, and operations of media. Lisa Parks, Julia Velkova, and Sander De Ridder assemble essays that delve into the evolving politics of the media infrastructural landscape. Throughout, the contributors draw on feminist, queer, and intersectional criticism to engage with infrastructural and industrial issues. This focus reflects a concern about the systemic inequalities that emerge when tech companies and designers fail to address workplace discrimination and algorithmic violence and exclusions. Moving from smart phones to smart dust, the essayists examine topics like artificial intelligence, human-machine communication, and links between digital infrastructures and public service media alongside investigations into the algorithmic backends at Netflix and Spotify, Google’s hyperscale data centers, and video-on-demand services in India. A fascinating foray into an expanding landscape of media studies, Media Backends illuminates the behind-the-screen processes influencing our digital lives. Contributors: Mark Andrejevic, Philippe Bouquillion, Jonathan Cohn, Faithe J. Day, Sander De Ridder, Fatima Gaw, Christine Ithurbide, Anne Kaun, Amanda Lagerkvist, Alexis Logsdon, Stine Lomborg, Tim Markham, Vicki Mayer, Rahul Mukherjee, Kaarina Nikunen, Lisa Parks, Vibodh Parthasarathi, Philipp Seuferling, Ranjit Singh, Jacek Smolicki, Fredrik Stiernstedt, Matilda Tudor, Julia Velkova, and Zala Volcic
Design Tools And Methods In Industrial Engineering Ii
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Author : Caterina Rizzi
language : en
Publisher: Springer Nature
Release Date : 2021-12-01
Design Tools And Methods In Industrial Engineering Ii written by Caterina Rizzi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-01 with Technology & Engineering categories.
This book gathers original papers reporting on innovative methods and tools in design, modelling, simulation and optimization, and their applications in engineering design, manufacturing and other relevant industrial sectors. Topics span from advances in geometric modelling, applications of virtual reality, innovative strategies for product development and additive manufacturing, human factors and user-centered design, engineering design education and applications of engineering design methods in medical rehabilitation and cultural heritage. Chapters are based on contributions to the Second International Conference on Design Tools and Methods in Industrial Engineering, ADM 2021, held on September 9–10, 2021, in Rome, Italy, and organized by the Italian Association of Design Methods and Tools for Industrial Engineering, and Dipartimento di Ingegneria Meccanica e Aerospaziale of Sapienza Università di Roma, Italy. All in all, this book provides academics and professionals with a timely overview and extensive information on trends and technologies in industrial design and manufacturing.
High Value Manufacturing Advanced Research In Virtual And Rapid Prototyping
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Author : Maria K. Todd
language : en
Publisher: CRC Press
Release Date : 2013-09-16
High Value Manufacturing Advanced Research In Virtual And Rapid Prototyping written by Maria K. Todd and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-16 with Computers categories.
High Value Manufacturing is the result of the 6th International Conference on Advanced Research in Virtual and Rapid Prototyping, held in Leiria, Portugal, October 2013. It contains current contributions to the field of virtual and rapid prototyping (V&RP) and is also focused on promoting better links between industry and academia. This volume
Close Range Photogrammetry And 3d Imaging
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Author : Thomas Luhmann
language : en
Publisher: Walter de Gruyter
Release Date : 2013-11-27
Close Range Photogrammetry And 3d Imaging written by Thomas Luhmann and has been published by Walter de Gruyter this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-27 with Science categories.
This is the second edition of the established guide to close-range photogrammetry which uses accurate imaging techniques to analyse the three-dimensional shape of a wide range of manufactured and natural objects. After more than 20 years of use, close-range photogrammetry, now for the most part entirely digital, has become an accepted, powerful and readily available technique for engineers, scientists and others who wish to utilise images to make accurate 3D measurements of complex objects. Here they will find the photogrammetric fundamentals, details of system hardware and software, and broad range of real-world applications in order to achieve this. Following the introduction, the book provides fundamental mathematics covering subjects such as image orientation, digital imaging processing and 3D reconstruction methods, as well as a discussion of imaging technology, including targeting and illumination, and its implementation in hardware and software. It concludes with an overview of photogrammetric solutions for typical applications in engineering, manufacturing, medical science, architecture, archaeology and other fields.
Scale Space And Variational Methods In Computer Vision
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Author : Alfred M. Bruckstein
language : en
Publisher: Springer
Release Date : 2012-01-03
Scale Space And Variational Methods In Computer Vision written by Alfred M. Bruckstein and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-01-03 with Computers categories.
This book constitutes the thoroughly refereed post-conference proceedings of the Third International Conference on Scale Space Methods and Variational Methods in Computer Vision, SSVM 2011, held in Ein-Gedi, Israel in May/June 2011. The 24 revised full papers presented together with 44 poster papers were carefully reviewed and selected from 78 submissions. The papers are organized in topical sections on denoising and enhancement, segmentation, image representation and invariants, shape analysis, and optical flow.
The Future Of Hyperspectral Imaging
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Author : Stefano Selci
language : en
Publisher: MDPI
Release Date : 2019-11-20
The Future Of Hyperspectral Imaging written by Stefano Selci and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-20 with Science categories.
This book includes some very recent applications and the newest emerging trends of hyper-spectral imaging (HSI). HSI is a very recent and strange beast, a sort of a melting pot of previous techniques and scientific interests, merging and concentrating the efforts of physicists, chemists, botanists, biologists, and physicians, to mention just a few, as well as experts in data crunching and statistical elaboration. For almost a century, scientific observation, from looking to planets and stars down to our own cells and below, could be divided into two main categories: analyzing objects on the basis of their physical dimension (recording size, position, weight, etc. and their variations) or on how the object emits, reflects, or absorbs part of the electromagnetic spectrum, i.e., spectroscopy. While the two aspects have been obviously entangled, instruments and skills have always been clearly distinct from each other. With HSI now available, this is no longer the case. This instrument can return specimen dimensionalities and spectroscopic properties to any single pixel of your specimen, in a single set of data. HSI modality is ubiquitous and scale-invariant enough to be used to mark terrestrial resources on the basis of a land map obtained from satellite observation (actually, the oldest application of this type) or to understand if the cell you are looking at is cancerous or perfectly healthy. For all these reasons, HSI represents one of the most exciting methodologies of the new millennium.
3d Tv System With Depth Image Based Rendering
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Author : Ce Zhu
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-08-15
3d Tv System With Depth Image Based Rendering written by Ce Zhu 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 2012-08-15 with Technology & Engineering categories.
Riding on the success of 3D cinema blockbusters and advances in stereoscopic display technology, 3D video applications have gathered momentum in recent years. 3D-TV System with Depth-Image-Based Rendering: Architectures, Techniques and Challenges surveys depth-image-based 3D-TV systems, which are expected to be put into applications in the near future. Depth-image-based rendering (DIBR) significantly enhances the 3D visual experience compared to stereoscopic systems currently in use. DIBR techniques make it possible to generate additional viewpoints using 3D warping techniques to adjust the perceived depth of stereoscopic videos and provide for auto-stereoscopic displays that do not require glasses for viewing the 3D image. The material includes a technical review and literature survey of components and complete systems, solutions for technical issues, and implementation of prototypes. The book is organized into four sections: System Overview, Content Generation, Data Compression and Transmission, and 3D Visualization and Quality Assessment. This book will benefit researchers, developers, engineers, and innovators, as well as advanced undergraduate and graduate students working in relevant areas.