Examensarbeten för masterexamen // Master Theses
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- PostMetoder för att öka realismen vid animerade 3D-förlopp(2015) Rebas, Martin; Chalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers); Chalmers University of Technology / Department of Computer Science and Engineering (Chalmers)Denna rapport är resultatet av ett examensarbete utfört vid Chalmers Tekniska Högskola,på uppdrag av Carmenta AB. Målsättningen har varit att undersöka och implementera metoder för att öka realismen hos animerade 3D-förlopp. Carmenta har utvecklat ett geografiskt informationssystem med namnet SpatialAce, där kartor och höjddata kan kombineras till en tredimensionell, animerad vy av ett landskap. I samråd med handledare och andra på Carmenta bedömdes realtids-generering av skuggor vara ett lämpligt projekt, varefter en litteraturstudie över tidigare forskning genomförts, och en passande skuggalgoritm har integrerats i en testversion av SpatialAce.
- PostPort Call Synchronization(2018) Ceder, Simon; Gustafsson, Niklas; Nilsson, Henrik; Nordenskjöld, Ari von; Stjernström, Pontus; Torbjörnsson, Johanna; Chalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers); Chalmers University of Technology / Department of Computer Science and Engineering (Chalmers)The shipping industry is at the time of writing undergoing a process of modernisation and digitalisation. Port Collaborative Decision Making (PortCDM) is part of Sea Traffic Management (STM), a research project aiming to show how modern maritime information sharing can be implemented and how it can benefit actors in the shipping industry. Port Call Synchronization has been developed as a proof-of-concept service for automating the generation of recommended times of arrival for vessels arriving at ports, based on the greater access to information that PortCDM enables. This information makes it possible to implement digital representations of port actors, and simulate the process by which they arrive at consensuses regarding what time it is suitable for a vessel to enter a port. A rudimentary system for optimizing berth schedules has also been developed, based on the automated system.
- PostProcedural Modeling and Animation with Quaternions Using design grammars for procedural shape synthesis(2015) Andersson, Mattias; Chalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers); Chalmers University of Technology / Department of Computer Science and Engineering (Chalmers)This master’s thesis investigates a novel approach to procedural modeling using shape grammars. Model Design Grammars (MDG), a derivative of Context-Free Design Grammars (CFDG), are presented as a powerful tool for constructing threedimensional models. Part of the thesis is about how to represent transforms, such as rotations, reflections and translations using quaternions. We study the use of production rules to generate hierarchical procedural models and we add the notion of compound transformations for animating objects in a bone hierarchy. We show how the same idea can be used as an additional tool for procedural modeling. We show that there exists an equivalent representation of a 0L-system as an MDG grammar.
- PostWord Alignment of Biblical Hebrew Using inter alia Golign, a self-developed Android tablet tool(2015) Klevbacke, Anders; Chalmers tekniska högskola / Institutionen för data- och informationsteknik (Chalmers); Chalmers University of Technology / Department of Computer Science and Engineering (Chalmers)The computer started being applied to biblical texts at least as far back as in the seventies, and in the middle of the eighties a database in the form of a digital text with an alignment of the Hebrew Old Testament and the Septuagint, the old Greek translation, was made available. Linguistic methods have also during many years have had impact on research in Biblical Hebrew. However, generic automatic word alignment methods have never been applied to Biblical Hebrew with Biblical Hebrew in focus. This thesis explores what opportunities word alignment might have to offer in this field. Experiments are made where the Biblical Hebrew text is converted into three different granularity levels and then aligned automatically to the two Swedish translations Svenska Folkbibeln 98 and Bibel 2000, for a total of six different alignment combinations. To assess the results, manual reference alignments, which allow calculation of evaluation metrics, are made. However, manual inspection of the voluminous output from the automatic aligner is also possible, and recommended. An important aspect of the thesis is how the processes around word alignment can provoke reflections around the Biblical Hebrew text and its relation to translations. The manual reference alignments are made using Golign, a self-developed tool for manual alignment and visualization of alignments. The tool has been tailor-made for working with Biblical Hebrew. However, at its core it is a general tool that could be used for other language combinations. Apart from the support for Biblical Hebrew, the most conspicuous features is that it is a touch sensitive Android tablet tool, and it allows for as many languages as the screen and the processor permit.