Objekte Surfaces
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Objekte Surfaces
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Author : Hermann Heintschel
language : en
Publisher:
Release Date : 1968
Objekte Surfaces written by Hermann Heintschel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.
Transfer And Invariants Of Surfaces Of Revolution
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Author : Sven Utcke
language : en
Publisher: diplom.de
Release Date : 2001-02-12
Transfer And Invariants Of Surfaces Of Revolution written by Sven Utcke and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-02-12 with Technology & Engineering categories.
Inhaltsangabe:Abstract: A number of papers in the Computer Vision and Pattern Recognitionliterature have demonstrated that invariants, or equivalently structure modulo a 3D linear transformation, are sufficient for object recognition. The final stage in the recognition process is verification, where an outline is transferred from an acquisition image of the object to the target image. For the most part recognition based on invariants has concentrated on planar objects, though some 3D invariants have been measured from single and multiple images for polyhedra, point sets, surfaces of revolution and algebraic surfaces. The work so far on surfaces of revolution has only exploited isolated points on the outline (such as bitangents), and has not addressed transfer or verification. This thesis, for the first time, extends the transfer and extraction of invariants to surfaces of revolution using the entire outline. Given a single view of the surface, it is possible to obtain the projection in any other given view, given a minimal number of points in the target image. In particular it is is possible to reconstruct the generating curve, and thereby a rich set of invariants. Zusammenfassung: Eine Reihe von Veröffentlichungen in der Bildverarbeitungs- und Mustererkennungsliteratur hat gezeigt, dass Invarianten, oder alternativ Struktur Modulo einer 3D linearen Transformation, die Erkennung von Objekten aus Bildern ermöglicht. Der letzte Schritt im Erkennungsprozess ist die Verifikation, in der eine Kontur einer exemplarischen Ansicht des Objektes in das Bild zurückprojeziert wird. Die Invarianten-basierte Erkennung hat sich im wesentlichen auf ebene Objekte beschränkt, wenngleich einzelne 3D Invarianten für Polyeder, Punkt-Mengen, rotationssymmetrische Objekte und algebraische Oberflächen existieren. Die bisherigen Arbeiten für rotationssymmetrische Objekte haben sich auf einzelne Punkte der Kontur (z.B. Bi-Tangenten) beschränkt und das Problem der Rückprojektion und Verifikation ignoriert. In dieser Arbeit wird zum ersten Mal die ganze Kontur eines rotationssymmetrischen Objektes in die Rückprojektion und Verifikation mit einbezogen. Basierend auf einer einzigen Ansicht ist es Möglich, Ansichten aus beliebigen anderen Blickwinkeln zu erhalten. Insbesondere ist es möglich, den Querschnitt des Objektes zu rekonstruieren, und damit eine reichhaltige Auswahl an Invarianten. Inhaltsverzeichnis:Table of [...]
Compact Complex Surfaces
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Author : W. Barth
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Compact Complex Surfaces written by W. Barth 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.
Contents: Introduction. - Standard Notations. - Preliminaries. - Curves on Surfaces. - Mappings of Surfaces. - Some General Properties of Surfaces. - Examples. - The Enriques-Kodaira Classification. - Surfaces of General Type. - K3-Surfaces and Enriques Surfaces. - Bibliography. - Subject Index.
W Rterbuch Der Datentechnik Dictionary Of Computing
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Author : Vittorio Ferretti
language : en
Publisher: Springer-Verlag
Release Date : 2013-03-08
W Rterbuch Der Datentechnik Dictionary Of Computing written by Vittorio Ferretti and has been published by Springer-Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-08 with Technology & Engineering categories.
Der FERRETTI bietet mehr als eine Übersetzungshilfe für deutsche und englische Fachbegriffe. 92.000 Stichwörter mit Kurzdefinitionen und Synonymen machen diese aktuelle Teilausgabe des erfolgreichen "Wörterbuch der Elektronik, Datentechnik und Telekommunikation" zum einzigartig umfassenden Nachschlagewerk der gesamten Informatik. Die 44.000 deutschen und 48.000 englischen Einträge decken zusätzlich die Hauptbegriffe der angrenzenden Fachgebiete und des allgemeinen Sprachgebrauchs ab. Zu insgesamt 94 Fachgebieten lassen sich alle datentechnischen Fragen schnell und kompetent lösen - ein schier unerschöpflicher Fundus für jeden, der hier nachschlägt.
A Practical Guide To Surface Metrology
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Author : Michael Quinten
language : en
Publisher: Springer Nature
Release Date : 2020-01-01
A Practical Guide To Surface Metrology written by Michael Quinten and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-01-01 with Technology & Engineering categories.
This book offers a genuinely practical introduction to the most commonly encountered optical and non-optical systems used for the metrology and characterization of surfaces, including guidance on best practice, calibration, advantages and disadvantages, and interpretation of results. It enables the user to select the best approach in a given context. Most methods in surface metrology are based upon the interaction of light or electromagnetic radiation (UV, NIR, IR), and different optical effects are utilized to get a certain optical response from the surface; some of them record only the intensity reflected or scattered by the surface, others use interference of EM waves to obtain a characteristic response from the surface. The book covers techniques ranging from microscopy (including confocal, SNOM and digital holographic microscopy) through interferometry (including white light, multi-wavelength, grazing incidence and shearing) to spectral reflectometry and ellipsometry. The non-optical methods comprise tactile methods (stylus tip, AFM) as well as capacitive and inductive methods (capacitive sensors, eddy current sensors). The book provides: Overview of the working principles Description of advantages and disadvantages Currently achievable numbers for resolutions, repeatability, and reproducibility Examples of real-world applications A final chapter discusses examples where the combination of different surface metrology techniques in a multi-sensor system can reasonably contribute to a better understanding of surface properties as well as a faster characterization of surfaces in industrial applications. The book is aimed at scientists and engineers who use such methods for the measurement and characterization of surfaces across a wide range of fields and industries, including electronics, energy, automotive and medical engineering.
Electron Microscopy In Germany
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Author : Great Britain. British Intelligence Objectives Sub-committee
language : en
Publisher:
Release Date : 1948
Electron Microscopy In Germany written by Great Britain. British Intelligence Objectives Sub-committee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Electron microscopes categories.
Minimal Surfaces From A Complex Analytic Viewpoint
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Author : Antonio Alarcón
language : en
Publisher: Springer Nature
Release Date : 2021-03-10
Minimal Surfaces From A Complex Analytic Viewpoint written by Antonio Alarcón and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-10 with Mathematics categories.
This monograph offers the first systematic treatment of the theory of minimal surfaces in Euclidean spaces by complex analytic methods, many of which have been developed in recent decades as part of the theory of Oka manifolds (the h-principle in complex analysis). It places particular emphasis on the study of the global theory of minimal surfaces with a given complex structure. Advanced methods of holomorphic approximation, interpolation, and homotopy classification of manifold-valued maps, along with elements of convex integration theory, are implemented for the first time in the theory of minimal surfaces. The text also presents newly developed methods for constructing minimal surfaces in minimally convex domains of Rn, based on the Riemann–Hilbert boundary value problem adapted to minimal surfaces and holomorphic null curves. These methods also provide major advances in the classical Calabi–Yau problem, yielding in particular minimal surfaces with the conformal structure of any given bordered Riemann surface. Offering new directions in the field and several challenging open problems, the primary audience of the book are researchers (including postdocs and PhD students) in differential geometry and complex analysis. Although not primarily intended as a textbook, two introductory chapters surveying background material and the classical theory of minimal surfaces also make it suitable for preparing Masters or PhD level courses.
Minimal Surfaces
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Author : Ulrich Dierkes
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-08-16
Minimal Surfaces written by Ulrich Dierkes 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 2010-08-16 with Mathematics categories.
Minimal Surfaces is the first volume of a three volume treatise on minimal surfaces (Grundlehren Nr. 339-341). Each volume can be read and studied independently of the others. The central theme is boundary value problems for minimal surfaces. The treatise is a substantially revised and extended version of the monograph Minimal Surfaces I, II (Grundlehren Nr. 295 & 296). The first volume begins with an exposition of basic ideas of the theory of surfaces in three-dimensional Euclidean space, followed by an introduction of minimal surfaces as stationary points of area, or equivalently, as surfaces of zero mean curvature. The final definition of a minimal surface is that of a nonconstant harmonic mapping X: \Omega\to\R^3 which is conformally parametrized on \Omega\subset\R^2 and may have branch points. Thereafter the classical theory of minimal surfaces is surveyed, comprising many examples, a treatment of Björling ́s initial value problem, reflection principles, a formula of the second variation of area, the theorems of Bernstein, Heinz, Osserman, and Fujimoto. The second part of this volume begins with a survey of Plateau ́s problem and of some of its modifications. One of the main features is a new, completely elementary proof of the fact that area A and Dirichlet integral D have the same infimum in the class C(G) of admissible surfaces spanning a prescribed contour G. This leads to a new, simplified solution of the simultaneous problem of minimizing A and D in C(G), as well as to new proofs of the mapping theorems of Riemann and Korn-Lichtenstein, and to a new solution of the simultaneous Douglas problem for A and D where G consists of several closed components. Then basic facts of stable minimal surfaces are derived; this is done in the context of stable H-surfaces (i.e. of stable surfaces of prescribed mean curvature H), especially of cmc-surfaces (H = const), and leads to curvature estimates for stable, immersed cmc-surfaces and to Nitsche ́s uniqueness theorem and Tomi ́s finiteness result. In addition, a theory of unstable solutions of Plateau ́s problems is developed which is based on Courant ́s mountain pass lemma. Furthermore, Dirichlet ́s problem for nonparametric H-surfaces is solved, using the solution of Plateau ́s problem for H-surfaces and the pertinent estimates.
Understanding Surfaces
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Author : Lorne Lulashnyk
language : en
Publisher: FriesenPress
Release Date : 2017-01-11
Understanding Surfaces written by Lorne Lulashnyk and has been published by FriesenPress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-11 with Science categories.
An intriguing appreciation of surfaces all around us and what they make possible in our world is presented here. Basic mathematical concepts present the role of surface and volume in everyday life through an abundance of examples of application ranging across technology, the natural world and the functioning of the human body.
Basic Surfaces And Their Analysis
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Author : Lyudmila V. Goncharova
language : en
Publisher: Morgan & Claypool
Release Date : 2018-06-29
Basic Surfaces And Their Analysis written by Lyudmila V. Goncharova and has been published by Morgan & Claypool this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-29 with Science categories.
"God made solids, but surfaces were the work of the devil." This statement by Nobel prize winner Wolfgang Paul emphasizes the diabolic nature of surfaces. Since surface properties deviate significantly from the bulk solid state, surface studies can be puzzling, misleading, and quite exciting! This book is an introduction to the basics of surface science including thermodynamics, surface structure, experimental probes, spectroscopy, microscopy, and ion-scattering. Surfaces are the external border of materials to the external worlds, thus by exploring surfaces one can investigate the material.