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WINDOWED STATISTICAL ANALYSIS FOR ANOMALY DETECTION IN GEOPHYSICAL DATASETS

机译:地球物理数据集中异常检测的窗口统计分析

摘要

Method for identifying geologic features from geophysical or attribute data using windowed principal component (22), or independent component, or diffusion mapping (61) analysis. Subtle features are made identifiable in partial or residual data volumes. The residual data volumes (24) are created by (36) eliminating data not captured by the most prominent principal components (14). The partial data volumes are created by (35) projecting the data (21) on to selected principal components (22, 61). Geologic features may also be identified from pattern analysis (77) or anomaly volumes (62, 79) generated with a variable-scale data similarity matrix (73). The method is suitable for identifying physical features indicative of hydrocarbon potential.
机译:使用窗口主组件(22)或独立组件或漫射映射(61)分析来识别来自地球物理或属性数据的地质物理学或属性数据的方法。在部分或残差数据卷中可以识别微妙的特征。残余数据卷(24)由(36)消除最突出的主组件(14)未捕获的数据。部分数据卷由(35)将数据(21)投影到所选主组件(22,61)。还可以从用可变尺度数据相似性矩阵(73)产生的模式分析(77)或异常卷(62,79)来识别地质特征。该方法适用于识别指示碳氢化合物潜力的物理特征。

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