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Publikationsserver der RWTH Aachen University
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7949 Publications
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  • Interactive image-based 3D reconstruction techniques for application scenarios at different scales

    The image-based 3D reconstruction of real-world objects or scenes has attracted considerable attention in recent years, and several approaches capable of generating high quality results have been proposed. However, since most of these systems aim at being fully automatic without the ability to take user input into account, the key problem of existing image-based 3D reconstruction approaches is the insufficient handling of errors and failure cases. As a consequence, in practice even low error ...

    Failure Modes in Normal Faults - an investigation into structure and permeability evolution in physical models and outcrop studies

    This thesis deals with structures and processes related to failure mode transition in normal faults inmechanically layered sediments. Dilatant, hybrid and shear mode faults are common in the uppercrust and associated with different deformation processes, fault and fracture geometries and transportproperties. Fault systems are of great importance for applications such as hydrocarbon explorationand production, groundwater flow, hydro-thermal systems, CO2 sequestration and natural hazardassessme...

    Functional spaces : a direct approach

    In this thesis I define the notion of a functional tensor space, and derive the specific form of the Lie derivative (w.r.t. generalized vector fields) on the constructed spaces, giving them a Lie module structure over the Lie algebra of generalized vector fields. I also construct the Euler complex in a recursive manner using the celebrated Cartan formula, and write down the first three operators explicitly. I call the third one, the Takens operator. Then, in the context of functional spaces, ...

    Klinische Bewertung von Kronen und Brücken aus Lithium-Disilikat-Glaskeramik

    The purpose of this prospective study was to evaluate the clinical performance of a lithium-disilicate substructure glass-ceramic (IPS Empress 2, Ivoclar-Vivadent) for crowns and fixed partial dentures (FPDs). Patients with severe prafunction, periodontitis or poor oral hygiene were excluded from the study. From December 1997 to October 1999, a total of 184 Empress 2 restaurations (138 crowns and 46 FPDs) have been placed in 73 patients. Clinical treatment was performed by five trained clinic...

    Essays on consumer choices relevant to climate change : stated preference evidence from Germany

    One of the major challenges that our world faces today and in the future is human-induced climate change. The primary cause of global warming, leading to climate change, is the burning of fossil fuels for energy and transport, which increases the concentration of greenhouse gases in the atmosphere. Energy efficiency and renewable energy sources are considered by many as the proverbial "silver bullet" to avoid the worst climate change scenarios. However, the support for and success of any effo...
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