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Visualising Full Tensor Gradient Gravity Data Using Texture and Colour Cues

机译:使用纹理和颜色线索可视化完整的张量梯度重力数据

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Full Tensor Gradient (FTG) gravity data measures the derivatives of the Earth's gravitational field. Such variations in the gravitational field may be due to the presence of bodies of higher or lower density relative to the surrounding rock. Recent technological advances have made airborne measurement of FTG data possible, resulting in the rapid collection of vast quantites of data particularly for mineral, oil and gas exploration purposes. As the gravity tensor contains 5 independent components, effective visualisation of this high-dimensional dataset is advantageous for efficient processing of the FTG data. We present an algorithm for visualising FTG gravity datasets which displays local lateral orientations encoded in the FTG data. It uses a colour map to highlight geologically significant structures such as linear features and radially symmetric points by identifying different geological features and using colour components to represent different feature types. We demonstrate the applicability of the algorithm on two datasets: one synthetic dataset with various levels of noise, and one real-world dataset.
机译:完全张量梯度(FTG)重力数据测量地球引力场的衍生物。引力场的这种变化可以是由于相对于周围岩石的更高或更低的密度的体积。最近的技术进步使得FTG数据的空气传播测量成为可能,导致群体的快速收集矿物,油气勘探目的。由于重力张量包含5个独立的组件,因此该高维数据集的有效可视化对于FTG数据的有效处理是有利的。我们提出了一种可视化用于在FTG数据中编码的本地横向的FTG重力数据集的算法。它使用彩色图来突出显示地质上的显着结构,例如通过识别不同的地质特征和使用颜色组件来表示不同的特征类型的线性特征和径向对称点。我们展示了算法在两个数据集上的适用性:一个具有各种噪声水平的合成数据集,以及一个真实世界数据集。

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