Bachelor Thesis
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With the increasing use of visual effects in feature films, TV series and commercials, flexibility becomes essential to create astonishing pictures while meeting tight production schedules. Deep image compositing introduces new possibilities that increase flexibility and solve old problems of depth based compositing. The following thesis gives an introduction to deep image compositing, illustrating its power and analyzing its use in a modern visual effects pipeline.
Climate change is one of the greatest societal challenges of our time. The global food production alone accounts for 26% of global greenhouse gas emissions. Without dietary changes, the challenges of climate protection can hardly be achieved in the food sector. Technology has the ability to significantly change society and it can be used to change people’s attitude or behaviors.
The current study investigated the potential of using Persuasive Technology for guiding consumers to implement sustainable food choices. To evaluate its impact, an online grocery store was designed and prototyped using the Persuasive Systems Design model according to Oinas-Kukkonen and Harjumaa. The intended target behavior was to adjust food choices and make sustainable consumption decisions. The target group consisted of individuals between the ages 20 and 34 years.
The iterative approach of the empirical study was divided into four parts: First, the requirements of the target group were analyzed. Then a concept of the grocery online shop was developed using the design principles of the Persuasive Systems Design model. The concept Foodprint was prototypically implemented and consequently, evaluated via A/B testing with target users. Two high-fidelity prototypes were similarly structured with the only difference that Prototype A contained persuasive elements. Prototype B was intended to collect comparative data in the user tests. Ten individuals of the target group evaluated the prototypes and their impressions of the concept and food choices were examined to assess the impact of the Persuasive Systems Design model.
The data were analyzed qualitatively as well as quantitatively. Prototype A – with the persuasive elements – showed a more positive user experience. The evaluation of tests A and B revealed that the persuasive elements were able to influence users to identify sustainable food options.
In general, it can be concluded that testers from both tests, A and B, rated the grocery online store as helpful and would be willing using it in the future. However, it became also evident that the target group lacked knowledge to make informed decisions about the environmental impact of their food choices. As observed in the current study, the participants considered it difficult to assess the sustainability level of foods when grocery shopping. Their purchasing decisions relied on labels and erroneous assumptions. These observations indicate the need for more support in making sustainable food choices.
The Persuasive Systems Design model had the potential to influence the users in their food choices, suggesting that it may be an option to contribute to environmental protection in the food sector. Over time, consumers may even become more aware of the impact of their food choices and hence, could adjust their purchasing behavior in stationary retail stores.
Concepts and Services for Asylum Seekers in Public Libraries Using the Example of Germany and Norway
(2016)
The goal of the following bachelor thesis is to introduce concepts of public libraries concerning asylum seekers. As an example the thesis is using public libraries in Germany and Norway. Therefore, the reader will be introduced to the general situation, living conditions and preconditions of asylum seekers in both countries as well as to preconditions of libraries and librarians concerning monetary and territorial aspects and education of library staff. Important international library representatives as well as local actors will be introduced and the importance of cooperation between libraries and other organizations will be examined. In the main part practical methods, services, offers and ways of how libraries can help asylum seekers will be elaborated and possibilities how asylum seekers can actively participate in the library will be explained. Challenges which can occur will be detected and elaborated. Furthermore, the public library of Bergen in Norway and the public library of Duisburg in Germany will be presented as best practice examples.
The goal of this thesis is to develop a novel type of virtual heritage medium that utilises the combined immersive and engaging potentials of interactive mixed reality environments and spatial narratives. Concretely, this is achieved through depth-sensitive compositing of real-time 3D content into the live-video of a tracked smartphone. The user can explore this mixed reality environment, watch the actions of staged 3D characters as well as interact with them and virtual artifacts. This medium would therefore provide possibilities for telling stories in direct context with existing environments along with an immersive and engaging media experience. This work will mainly focus on how this medium can be used as an edutainment medium in sites of cultural heritage. This thesis will focus on establishing the technical requirements and realisation possibilities for implementation in Unity on iPhone 5 / iOS 7. Subsequently, a prototype is implemented in order to prove the research results.