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Application of a fuzzy object search technique to geophysical data processing

机译:模糊对象搜索技术在地球物理数据处理中的应用

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Abstract: This paper describes the application of a fuzzy searchtechnique to geophysical data processing. Here, wediscuss three kinds of image object search problems:velocity layer search in computerized tomography incross wells, surface search and reconstruction in 3Dseismic images, and critical frequency curve search indigital ionograms. These three kinds of images have acommon property: there are no crisp boundaries in theseobjects. For the first tow applications, we want tosearch the small 2D regions called layers in a givenimage and apply a fuzzy segmentation technique called$lambda@-connected segmentation. For the thirdapplication, we want to examine all of the reasonablecurves in an ionogram; therefore, we have developed adynamic $lambda@-connected search technique which iscombined with the use of genetic algorithms. We canconclude that a fuzzy system approach has importantadvantages for geophysical data processing. !11
机译:摘要:本文介绍了模糊搜索技术在地球物理数据处理中的应用。在此,我们讨论了三种图像对象搜索问题:计算机断层扫描中的井间速度层搜索,3D地震图像中的表面搜索和重构以及关键频率曲线搜索数字电离图。这三种图像具有共同的属性:这些对象中没有清晰的边界。对于第一个拖曳应用,我们要搜索给定图像中称为图层的较小2D区域,并应用一种称为$ lambda @ -connected segmentation的模糊分割技术。对于第三个应用程序,我们要检查电离图中的所有合理曲线。因此,我们开发了一种动态的$ lambda @关联搜索技术,并结合了遗传算法。我们可以得出结论,模糊系统方法对于地球物理数据处理具有重要的优势。 !11

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