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Mitteilungsblatt der Universität Koblenz-Landau Nr. 4/2014 (2014)
Änderungssatzung zur Festsetzung von Zulassungszahlen an der Universität Koblenz-Landau für das Studienjahr 2014/2015 vom 15. Juli 2014
Bildbasierte Beleuchtung in 3D-Photo-Collections (2014)
Kölzer, Konrad
The goal of this thesis is the development of methods for augmented image synthesis using 3D photo collections. 3D photo collections are representations of real scenes automatically generated from single photos and describe a scene as a set of images with known camera poses as well as a sparse point-based model of the scene geometry. The main goal is to perform a photo-realistic augmented image synthesis of real and virtual parts, where the real scene is provided as a 3D photo collection. Therefore, three main problems are addressed. Since the photos may be represented in different device-specific RGB color spaces, a color characterization of the 3D photo collections is necessary to gain correct color information that is consistent with human perception. The proposed novel method automatically transforms all images into a common RGB color space and thereby simplifies color characterization of 3D photo collections. As a main problem for augmented image synthesis, all environmental lighting has to be known in order to apply illumination to virtual parts that is consistent with the real portions shown in the photos. To solve this problem, two novel methods were developed to reconstruct the lighting from 3D photo collections. In order to perform image synthesis for arbitrary views on the scene, an image-based approach was developed that generates new views in 3D photo collections making direct use of its point cloud. The novel method creates new views in real-time and allows free-navigation. In conclusion, the proposed novel methods show that 3D photo collections are a useful representation for real scenes in Augmented Reality and they can be used to perform a realistic image synthesis of real and virtual portions.
Veranstaltungsverzeichnis - Koblenz - Sommersemester 2014 (2014)
Veranstaltungsverzeichnis der Universität Koblenz - Landau, Campus Koblenz für das Sommersemester 2014
Veranstaltungsverzeichnis - Landau - Sommersemester 2014 (2014)
Veranstaltungsverzeichnis der Universität Koblenz - Landau, Campus Landau für das Sommersemester 2014
Unterstützungsmöglichkeiten des stationären Vertriebs durch mobile Dienste im Kontext des Mobile Commerce (2014)
Tarin, Wahid
This master thesis is about the possibilities of supporting local corporate sales with the help of current mobile applications. The internet already has served in order to make the trading market more dynamic. The conditions for long-term local corporate sales have become more challenging. Because of smaller cost structures online-retailer offer prizes on which local point of sales can hardly keep up with. Another point is that more customers decide to order online because the service in e-shops enhanced; therefore, the digital transactions become more attractive for consumers. Today smartphones and tablets have brought the digitalization to a whole new level. With the possibility of Mobile Web the effects that the internet already showed us in the past have been intensified. The question that proposes here is: In which way do the conditions of competitions for local corporate sales change? This paper follows the outline of putting together various mobile services, their functions, and their practical usage, as well as the process of integrating them successfully into marketing. With that one should be able to find out if Mobile Web can be seen as an advantage for local corporates sales.
Erweiterung der Konzeption und Implementierung einer Screening Applikation für mobile Endgeräte (2014)
Cleef, David
In this bachelor thesis an existing generic concept and an existing prototype for a smartphone application to record, monitor and document physical symptoms or observations of the human body are being extended. The existing funktionalities are being complemented by analysis of the previous Prototype. The concept and its Function modules, which are implemented in the existing prototype for the mobile platform Android, are being extended based on their analysed weaknesses. The resulting prototype and generic concept are evaluated and optimizations and extensions are being collected for further projects.
Entwicklung einer Gesichtserkennenden Software zur Erfassung und Analyse von Personenströmen (2014)
Schens, Artur
Diese Bachelorarbeit befasst sich mit der Entwicklung und Implementierung einer Gesichtserkennenden Software, die in der Lage ist Personenströme zurnerkennen und zu protokollieren. Dabei wird, ausgehend von den speziellen Anforderungen der Bildverarbeitung die entstandene Softwarearchitektur und deren Implementation vorgestellt. Zusätzlich wird zur Implementation ein Webinterface entwickelt welches die Verwaltung der Daten vereinfachen soll. Abschließend werden weitere Verfahren der Gesichtserkennung vorgestellt und gegen das eingesetzte Verfahren verglichen. Zum Schluss wird die implementierte Software evaluiert.
Ein Reaktiver Algorithmus für Geografisches Clustering (2014)
Mosen, Julian
Existing algorithms using a beaconless strategy for geographic routing in Unit-Disk Graphs offer an approach for improving non-beaconless routing algorithms for Quasi-Unit-Disk Graphs. The majority of the aforementioned non-beaconlessrnrouting algorithms for Quasi-Unit-Disk Graphs are based on collecting 2-hop neighbourhood information. As shown by the Beaconless Clustering Algorithm developed in this thesis, a beaconless strategy can be used to enhance an existing non-beaconless algorithm by reducing message overhead and power consumption. The Beaconless Clustering algorithm is based on geographic clustering and constructs a sparse graph with constant number of vertices per unit area. The thesis at hand contains a detailed description of the algorithm, a proof of correctness and a simulation for presenting reachable improvements.
Veranstaltungsverzeichnis - Koblenz - Wintersemester 2014/15 (2014)
Veranstaltungsverzeichnis der Universität Koblenz - Landau, Campus Koblenz für das Wintersemester 2014/15
Optimization of voxel-based global illumination using OpenGL 4.4 (2014)
Kremer, Kevin
The present thesis covers the implementation and optimization of global illumination in three-dimensional scenes. Global illumination does not only consider direct illumination dependent on one or more light sources, but also indirect illumination which is emitted by surrounding objects in the scene. The thesis focuses on the implementation of a global illumination method and its improvement using OpenGL 4.4. This is done by a voxelization of the scene. By traversing the resulting voxel structure, additional information is taken from the scene, which contributes to a plausible global illumination.
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