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Spatio-Temporal Optical Flow Methods for Process Analysis

Produktform: Buch / Einband - flex.(Paperback)

Block matching algorithms (DIC), used in experimental mechanics and full-field process analysis, reach their limits in resolving complex, discontinuous, and multi-scale deformation patterns, are error-prone under industrial operating conditions, or fail when calculating spatio-temporal derivatives. However, motion and its spatio-temporal derivatives lay the foundation of modeling physical processes. This thesis pursues a fundamentally different approach, based on the calculus of variations – the optical flow methods. Newly designed regulariza-tions together with a novel framework for hyperparameter determination enable robust estimation of motion, its spatio-temporal derivatives, and discontinuities. The proposed methods allow analyzing strain, strain rate, and crack propagation during different shear cutting processes using high-speed imaging on a developed precision shear cutting tool.weiterlesen

Dieser Artikel gehört zu den folgenden Serien

Sprache(n): Englisch

ISBN: 978-3-9588406-6-9 / 978-3958840669 / 9783958840669

Verlag: TUM.University Press

Erscheinungsdatum: 22.09.2021

Seiten: 227

Auflage: 1

Autor(en): Christoph Hartmann

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