Turonova, Beata
Simultaneous Algebraic Reconstruction Technique for Electron Tomography using OpenCL
Universität des Saarlandes,
June 2011

Abstract: Electron tomography (ET) estimates 3D structure of an object from series of 2D transmission images taken from different perspectives. Various methods can be used to obtain the 3D reconstruction. Expansion of Graphics Processing Units (GPUs) made it possible to explore use of iterative algebraic techniques in ET. To these methods belong Algebraic Reconstruction Technique (ART), Simultaneous Iterative Reconstruction Technique (SIRT), and Simultaneous Algebraic Technique (SART). While ART and SIRT are employed in various SW packages for ET, SART seems to be neglected in this area. In this thesis we present GPU-based SART implementation modified for ET, called ET SART. After short introduction to ET, we describe mathematical principles of algebraic techniques and present previous work in this area as well as we introduce the basic concepts behind OpenCL and CUDA. We describe main features of ET SART as well as some practical aspects of its implementation. Finally, we compare ET SART with other methods and present our results. Part of this work is also implementation of wrapper providing unified API for CUDA and OpenCL.


Byelozyorov, Sergiy
Construction of Virtual Worlds with Web 2.0 Technology
Saarland University,
March 2010

Abstract: Current Web technologies allow developers to create rich Web-applications. Unlike desktop applications Web 2.0 programs are cre- ated by easily linking several existing components. This approach, also known as mashup, allows to use JavaScript to connect web-services and browser components together. I have extended this development method by bringing 3D and virtual world networking components into the browser. This allowed me to create Virtual Worlds Web-application similar to Second Life. I have wrapped the open-source Sirikata platform for virtual worlds into a Web-service com- ponent, created XML3D rendering component, combined them with other browser services and thus created a fully-featured 3D world application right inside of the browser.


Löffler, Alexander
(Title Confidential)
Dept. of Computer Science, Saarland University, Germany,
September 2008

Note: At Motama GmbH, Saarbrücken, Germany.


Popov, Stefan
Stackless KD-Tree Traversal for Ray Tracing on Graphics Hardware
Saarland University,
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