用于层位提取的地震体可视化

Daniel Patel, S. Bruckner, I. Viola, E. Gröller
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引用次数: 42

摘要

地震层位指示岩石性质的变化,是地球科学解释的中心。传统的解释系统需要耗费大量时间和重复的人工进行水平生长的体积播种。我们提出了一种快速解释和可视化地震体积数据的新系统。首先对地震资料进行预处理,提取地平面部分。然后在交互过程中,用户可以实时地将视界部件组装成视界。传统的解释系统在地震体的绘制和水平面的多边形绘制中使用基于梯度的照明模型。我们在绘制地震体时采用实时无梯度前向散射,产生类似于高质量全局照明的结果。我们使用隐式的平面表示地平线,允许无缝整合地平线渲染和体渲染。我们提出了一系列新技术,这些技术构成了一个高度适合地震数据解释的解释和可视化系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Seismic volume visualization for horizon extraction
Seismic horizons indicate change in rock properties and are central in geoscience interpretation. Traditional interpretation systems involve time consuming and repetitive manual volumetric seeding for horizon growing. We present a novel system for rapidly interpreting and visualizing seismic volumetric data. First we extract horizon surface-parts by preprocessing the seismic data. Then during interaction the user can assemble in realtime the horizon parts into horizons. Traditional interpretation systems use gradient-based illumination models in the rendering of the seismic volume and polygon rendering of horizon surfaces. We employ realtime gradient-free forward-scattering in the rendering of seismic volumes yielding results similar to high-quality global illumination. We use an implicit surface representation of horizons allowing for a seamless integration of horizon rendering and volume rendering. We present a collection of novel techniques constituting an interpretation and visualization system highly tailored to seismic data interpretation.
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