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Institute
This thesis shows an interaction of primitives in a three-dimensional space which is done by gestures. Functions which are difficult to do by gestures without any absolute feeling of the position are implemented with a touchscreen. Besides the touchscreen a second input device, a Leap-Motion, is used to obtain data of the motion of the hand. To get its data the Leap-Motion uses two CCD-cameras and three infrared LEDs. The interactions that can be done without any feedback of the absolute position are the translation, rotation and scale. These three and the movement through space are implemented as gestures in this thesis. This is done in Blender with the BlenderrnGame Engine and Python. The only function which has been implemented for the touchscreen is to select an object. Later on, a comparative control of the mouse was invented to contrast it with the control of the gestures. There are two big differences between these two controls. On the one hand, the gesture controls can be done in a three-dimensional space but most people aren't used to it yet. On the other hand, there is just a two-dimensional input possibility with the mouse control. Otherwise it is familiar to most persons. The evaluation should reveal if people prefer interaction by mouse control or by gestures. The result shows that the prefered control is done by the mouse. However in some categories of the tests the gestures are quite close to the result of the mouse.
This thesis conducts a text and network analysis of criminological files. The specific focus during the research is the field money laundering. The analysis showed the most important concepts present in the text which were classified in eleven different classes. The relationships of those concepts were analysed using ego networks, key entity identification and clustering. Some of the statements given about money laundering could be validated by the findings of this analysis and their interpretation. Specific concepts like banks and organizations as well as foreign subsidiaries were identified. Aggregating these concepts with the statements in chapter 1.4.3 on the circular process of money laundering it can be stated that different organizations and individuals, present in the criminological files, were placing money through different banks, organizations and investments in the legal financial market. At last this thesis tries to validate the benefits of the used tools for the kind of conducted research process. An estimation on ORA's and Automap's applicability for this kind of research is given in the end.
NeuLand 2011,02 = Nr. 31
(2015)
Campusschule: Uni goes Schulpraxis
Praxisluft schnuppern - Wie in der Lehre praktisches Know-how vermittelt wird
Money, money, money - Fördermöglichkeiten für Studierende und Promovierende
Hinter den Kulissen - Ein Tag mit Chefhausmeister Hans-Jürgen Lösch
Wolfgang Huber - Interview mit dem Frank-Loeb-Gastprofessor 2011
Virtueller Konsum - Warenkörbe, Wägungsschemata und Verbraucherpreisindizes in virtuellen Welten
(2015)
Virtual worlds have been investigated by several academic disciplines for several years, e.g. sociology, psychology, law and education. Since the developers of virtual worlds have implemented aspects like scarcity and needs, even economic research has become interested in these virtual environments. Exploring virtual economies mainly deals with the research of trade regarding the virtual goods used to supply the emerged needs. On the one hand, economics analyzes the meaning of virtual trade according to the overall interpretation of the economical characteristics of virtual worlds. As some virtual worlds allow the change of virtual world money with real money and vice versa, virtual goods are traded by the users for real money, researchers on the other hand, study the impact of the interdependencies between virtual economies and the real world. The presented thesis mainly focuses on the trade within virtual worlds in the context of virtual consumption and the observation of consumer prices. Therefore, the four virtual worlds World of Warcraft, RuneScape, Entropia Universe and Second Life have been selected. There are several components required to calculate consumer price indices. First, a market basket, which contains the relevant consumed goods existing in virtual worlds, must be developed. Second, a weighting scheme has to be established, which shows the dispersion of consumer tendencies. Third, prices of relevant consumer goods have to be taken. Following real world methods, it is the challenge to apply those methods within virtual worlds. Therefore, this dissertation contains three corresponding investigation parts. Within a first analysis, it will be evaluated, in how far virtual worlds can be explored to identify consumable goods. As a next step, the consumption expenditures of the avatars will be examined based on an online survey. At last, prices of consumable goods will be recorded. Finally, it will be possible to calculate consumer price indices. While investigating those components, the thesis focuses not only on the general findings themselves, but also on methodological issues arising, like limited access to relevant data, missing legal legitimation or security concerns of the users. Beside these aspects, the used methods also allow the examination of several other economic aspects like the consumption habits of the avatars. At the end of the thesis, it will be considered to what extent virtual world economic characteristics can be compared with the real world.
Aspects like the important role of weapons or the different usage of food show significant differences to the real world, caused by the business models of virtual worlds.
In this thesis, we deal with the question if challenge, flow and fun in computer games are related to each other, and which influence the motivational, psychological components motivation of success, motivation of failure and the chance of success do have. In addition, we want to know if a free choice in the level of difficulty is the optimal way to flow. To examine these theories, a study based on an online survey was executed, in which the participants played the game “flOw“. The results were evaluated with the help of a two-factorial analysis of variance with repeated measurement and tests on correlation. Thereby we found out that there actually exists a relation between challenge, flow and fun and that motivation does matter indirectly.
In this thesis, an interactive application is developed for Android OS. The application is about a virtual-reality game. The game is settled in the genre of first-person shooters and takes place in a space scenario. By using a stereo renderer, it is possible to play the game combined with virtual-reality glasses.
Im Rahmen dieser Arbeit wird untersucht, wie sich Modellfehler auf die Positionsgenauigkeit und Handhabbarkeit beim Rangieren mit einem Fahrerassistenzsystem auswirken. Besonderer Wert wird dabei auf die Bestimmung von Fehlergrenzen gelegt. Es wird der Frage nachgegangen, wie groß der Eingangsfehler sein darf, damit die Assistenz noch hinreichende Qualitätseigenschaften hinsichtlich ihrer Präzision und Robustheit aufweist. Dazu erfolgt zunächst eine quantitative Betrachtung der Fehler anhand des kinematischen Modells. Danach wird eine qualitative Betrachtung anhand von systematischen Experimenten durchgeführt. Es wird zunächst ein Controller entwickelt, mit dem sich ein Manöver mithilfe der visuellen Informationen der Assistenz simulieren lässt.
Dann wird eine Methode vorgestellt, mit deren Hilfe man das Manöver anhand definierter Fehlergrenzen bewerten kann. Um einen großen Raum möglicher Fehlerkombinationen effizient zu durchsuchen, wird das probabilistische Verfahren des Annealed Particle Filters benutzt. Mithilfe einer Testumgebung werden schließlich systematische Experimente durchgeführt. Zur weiteren Evaluation des Assistenzsystems in einer kontrollierten Umgebung erfolgte in Zusammenarbeit mit dem Fraunhofer ITWM in Kaiserslautern die Portierung des Assistenzsystems auf die dortige Simulationsumgebung RODOS.
Der Fachbereich 4 (Informatik) besteht aus fünfundzwanzig Arbeitsgruppen unter der Leitung von Professorinnen und Professoren, die für die Forschung und Lehre in sechs Instituten zusammenarbeiten.
In jedem Jahresbericht stellen sich die Arbeitsgruppen nach einem einheitlichen Muster dar, welche personelle Zusammensetzung sie haben, welche Projekte in den Berichtszeitraum fallen und welche wissenschaftlichen Leistungen erbracht wurden. In den folgenden Kapiteln werden einzelne Parameter aufgeführt, die den Fachbereich in quantitativer Hinsicht, was Drittmitteleinwerbungen, Abdeckung der Lehre, Absolventen oder Veröffentlichungen angeht, beschreiben.
Uniprisma Ausg. 2005
(2015)
The subject of this thesis was to analyse the involvement of classical creativity techniques and IT tools in different phases of the innovation process. In addition, the present work deals with the integration of Design Thinking and TRIZ into the innovation process. The aim was to define a specific innovation process based on diverse existing Innovation process models from the literature. This specific innovation process should serve as a basis for the analysis of integration of creativity techniques, IT tools, Design Thinking and TRIZ. Summarizing it can be said that the application of creativity techniques and IT Tools is admissible and useful in every phase of the innovation process. In this work it was shown that the design thinking method can be integrated in the early stages of the innovation process. Also, the process model of TRIZ, which differs from traditional innovation processes, can be combined with classical innovation processes.