Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 36 for “"graphics hardware"”.
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Surface Processing on Graphics Hardware
… in performance and programmability have made graphics hardware and important platform for performing general computation. In this research we examine the existing texture atlas methods available for the parameterization of triangulated meshed surfaces and show how they are limited with respect …
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Perspective-Driven Radiosity on Graphics Hardware
… advantage of the scalability of programmable graphics hardware, the algorithm is implemented as an extension of progressive refinement radiosity on the GPU, using OpenGL and GLSL. Results from each of the three implemented radiosity algorithms are compared using a variety of geometry.
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Efficient shadow algorithms on graphics hardware
Shadows are important to computer graphics because they add realism and help the viewer identify spatial relationships. Shadows are also useful story-telling devices. For instance, artists carefully choose the shape, softness, and placement of shadows to establish mood or character. Many shadow …
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Lattice Boltzmann liquid simulations on graphics hardware
… the time required. However, general purpose Graphics Processing Unit (GPU) computing has potential as a relatively inexpensive way to reduce these simulation times. In recent years, GPUs have been used to achieve enormous speedups via their massively parallel architectures. Within the field …
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Interactive simulation and rendering of fluids on graphics hardware
… the complex motion of fluids for use in computer graphics, but the simulation and rendering are both highly computationally intensive. In the past performing these tasks on the CPU could take many minutes per frame, especially for large scale scenes at high levels of detail, which limited their …
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Computational Fluid Dynamics with Embedded Cut Cells on Graphics Hardware
The advent of general purpose computing on graphics cards has led to significant software speedup in many fields. Designing code for GPUs, however, requires careful consideration of the underlying hardware. This thesis explores the implementation of fluid dynamics simulations featuring embedded cut …
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Faster data structures and graphics hardware techniques for high performance rendering
… In real-time rendering, with limited time and hardware resources, it is always important to produce as high rendering quality as possible given the constraints available. The first paper in this thesis presents an analytical hardware model together with a feed-back system that guarantees the …
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Accelerated deconvolution of radio interferometric images using orthogonal matching pursuit and graphics hardware
… (a compressed sensing method) that makes use of graphics processing unit (GPU) hardware, and show significant accuracy improvements over the standard CLEAN. In particular, we show that OMP correctly identifies more sources than CLEAN, identifying up to 82% of the sources in 100 test images, while …
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Performance Improvements for the Rasterization Pipeline
… improvements are always needed in computer graphics. Better performance frees up computational resources which can be used to increase the level of realism in the rendered images. Despite a very rapid development of graphics hardware, we are still far from the point where photo-realistic …
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Device independent perspective volume rendering using octrees
… from 3D scalar fields, is an area of computer graphics still in its infancy. Only recently has graphics hardware advanced to a state where volume rendering became feasible. Volume rendering requires the analysis of large amounts of data, typically tens of megabytes. As hardware speeds increase, …
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Load-balanced rendering on a general-purpose tiled architecture
Commodity graphics hardware has become increasingly programmable over the last few years, but has been limited to a fixed resource allocation. These architectures handle some workloads well, others poorly; load-balancing to maximize graphics hardware performance has become a critical issue. I have …
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Optimized ray tracing for real time use without hardware accelerators
… high quality images. However, in recent years graphics hardware has begun including specialized cores to accelerate ray tracing, an alternative rendering solution to rasterization and a type of light transport simulation. Ray tracing is generally the more desirable choice due to its ability to …
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Hardware accelerated computer graphics algorithms
… advent of shaders in the latest generations of graphics hardware, which has made consumer level graphics hardware partially programmable, makes now an ideal time to investigate new graphical techniques and algorithms as well as attempting to improve upon existing ones. This work looks at areas …
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Graphical real-time simulation tool for passive UHF RFID environments
… Microsoft DirectX 9.0 to interface with the graphics hardware. RFID Vis enables users to quickly simulate a real world operating scenario providing insights and building intuition.
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Efficient data structures for piecewise-smooth video processing
… can be easily parallelized onto modern graphics hardware for real-time processing of high definition video. The second data structure we introduce is the video mesh, designed as a flexible central data structure for general-purpose video editing. It represents objects in a video sequence …
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GPU-based Compressive Volume Rendering
… the volume renderer. The current advancements in graphics hardware has resulted in the adoptation of the GPU as a solution for the degradation issue in a volume renderer. However there is a caveat, with the use of the GPU as a solution; as the GPUs memory size and long data transfer times between …
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Automatic 5-axis NC toolpath generation
… compute the visibility information rapidly using graphics hardware. * A scheme for extracting the most "promising" orientation from the visibility information for the tool in a "global" sense. Algorithms to process the visibility information to select the orientation based on the characteristics …
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Parallelized two-stage object detection in cluttered RGB-D scenes
Modern graphics hardware (GPUs) are an amazing computational resource, but only for algorithms with suitable structure. Computer vision algorithms have many characteristics in common with computer graphics algorithms, in particular, they repeat some operations, such as feature computations, at many …
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An Analysis of Real-Time Ray Tracing Techniques Using the Vulkan® Explicit API
<p>In computer graphics applications, the choice and implementation of a rendering technique is crucial when targeting real-time performance. Traditionally, rasterization-based approaches have dominated the real-time sector. Other algorithms were simply too slow to compete on consumer graphics …
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Statistical methods for 2D-3D registration of optical and LIDAR images
… pose parameters. Utilization of OpenGL and graphics hardware in the optimization process yields registration times on the order of seconds. Using an initial registration comparable to GPS/INS accuracy, we demonstrate the utility of our algorithms with a collection of urban images. Our …
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