Path Regeneration for Interactive Path Tracing

Path Regeneration for Interactive Path Tracing
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用于交互式路径追踪的路径再生

DOI:
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发表时间:
2010
期刊:
Eurographics
影响因子:
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通讯作者:
C. Dachsbacher
C. Dachsbacher
中科院分区:
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文献类型:
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作者:
Jan Novák;V. Havran;C. Dachsbacher

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以交互帧速率绘制真实感图像是当前计算机图形学的一个广泛研究领域。这些方法中的许多尝试利用现代图形硬件的计算能力用于基于光线跟踪的方法。当使用路径跟踪算法的射线路径是高度不相干的,因此,我们提出了一种有效的技术,最大限度地减少执行流的分歧,并确保充分利用智能再生的路径。我们分析的条件下,我们的改进提供了最高的加速比,并展示了整个系统的性能,通过使用(双向)路径跟踪渐进细化的全局照明解决方案的交互式预览。
Rendering of photo-realistic images at interactive frame rates is currently a n extensively researched area of computer graphics. Many of these approaches attempt to utilize the computation al power of modern graphics hardware for ray tracing based methods. When using path tracing algorithms the ray p aths are highly incoherent, hence we propose an efficient technique that minimizes the divergence in executionflow and ensures full utilization by intelligently regenerating the paths. We analyze the conditions under which our improvements provide the highest speedup, and demonstrate the performance of the overall system by re ndering interactive previews of global illumination solutions using (bidirectional) path tracing with progressive refinem ent.
使用不相干路径原子分箱的并行路径追踪
DOI: 10.1145/1921264.1921284
发表时间: 2008
期刊: --
影响因子: --
作者:
Coulthurst D
通讯作者: Coulthurst D