نتایج جستجو برای: ray tracing
تعداد نتایج: 326212 فیلتر نتایج به سال:
In the last years, the well known ray tracing algorithm gained new popularity with the introduction of interactive ray tracing methods. The high modularity and the ability to produce highly realistic images make ray tracing an attractive alternative to raster graphics hardware. Interactive ray tracing also proved its potential in the field of Mixed Reality rendering and provides novel methods f...
Consider optical systems consisting of a set of refractive or reflective surfaces. The ray tracing problem is, given an optical system and the position and direction of an initial light ray, to decide if a light ray reaches some given final position. We assume the position and the tangent of the incident angle of the initial light ray is rational. For many years, ray tracing has been used for d...
For many decades, ray tracing is known and well used for rendering highly realistic images. Since ray tracing simulates the physical transport of light even highly complex optical properties and illumination conditions can be rendered correctly. Due to these features ray tracing is used e.g. for commercials and movies, in architecture, and for visualizations of industrial prototypes. Especially...
Ray tracing is one of the important elements in photo-realistic image synthesis. Since ray tracing is computationally expensive, a large body of research has been devoted to improve the performance of ray tracing. One of the recent developments on efficient ray tracing is the implementation on graphics hardware. Similar to general purpose CPUs, recent graphics hardware can perform various kinds...
In computer graphics, ray tracing has become a powerful tool for generating realistically looking images. Even though ray tracing offers high flexibility, a logarithmic scalability in scene complexity, and is known to be efficiently parallelizable, its demand for compute power has in the past lead to its limitation to high-quality off-line rendering. This thesis focuses on the question of how r...
Distributed systems, especially clusters, can be used to execute ray tracing tasks in parallel for speeding up the image computation. Because ray tracing is a computational expensive and memory consuming task, ray tracing can also be used to benchmark clusters. This paper introduces task-distributor, a free software solution for the parallel execution of ray tracing tasks in distributed systems...
Although ray tracing based propagation prediction models are popular for indoor radio wave propagation characterization, most of them do not provide an integrated approach for achieving the goal of optimum coverage, which is a key part in designing wireless network. In this paper, an accelerated technique of three-dimensional ray tracing is presented, where rough surface scattering is included ...
Аbstract—This article describes the technologies of parallel processing of ray tracing using central processing unit (CPU) and graphics processing unit (GPU). The one problem of parallel processing of ray tracing is imbalance among the pixels computation which leads to performance degradation. A serious disadvantage of ray tracing is performance. Other algorithms use data coherence to share com...
Copyright is held by the author/owner(s). ISMAR 2013, October 1 – 4, 2013, Adelaide, Australia. ACM 978-1-XXXX-XXXX-X/XX/XX. Abstract Ray tracing is an elegant and intuitive image generation method. The introduction of GPU-accelerated ray tracing and corresponding software frameworks makes this rendering technique a viable option for Augmented Reality applications. Spatial Augmented Reality emp...
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