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Seismic volume visualization for horizon extraction

机译:地震体积可视化,用于层位提取

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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.
机译:地震层位表明岩石性质发生了变化,并且在地球科学解释中处于中心地位。传统的解释系统涉及耗时且重复的手动体积播种,以进行地平线生长。我们提出了一种新颖的系统,用于快速解释和可视化地震体数据。首先,我们通过预处理地震数据来提取水平地表部分。然后,在交互过程中,用户可以实时将地平线部分组装为地平线。传统的解释系统在地震体的渲染和水平面的多边形渲染中使用基于梯度的照明模型。我们在渲染地震体积时采用了实时无梯度前向散射,产生的结果与高质量的全局照明相似。我们使用地平线的隐式表面表示形式,以实现地平线渲染和体积渲染的无缝集成。我们介绍了一系列新颖的技术,这些技术构成了非常适合地震数据解释的解释和可视化系统。

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