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- W2364874428 abstract "Sequence stratigraphy division is the important part of geological work,especially in the field of geologic modeling,inversion of sedimentary environment and mineral resources exploration.Well logs can be used for dividing a well(or a segment of it) into a group of sub-sections.In this paper,an edge detection optimum intelligent division method is designed for multi-parameter sequence stratigraphic division.The algorithm incorporates the Fisher optimal division and edge detection methods into Multi-Population Genetic Algorithm(MPGA).The optimization criterion involves the following steps.To begin with,Fisher Ratio and Lipschitz Exponent(LE),which respectively characterize the cycle and singularity of the measuring points,of the Logging parameters are utilized for optimization index constructing.Fisher ratio can be calculated by the sum of the deviation within and between layers,and LE can be calculated by Wavelet Transform Modulus Maxima(WTMM).Then logging measurement points are treated as genes and the group of ordered measurement points are regarded as chromosomes.In order to achieve different populations optimizing searching simultaneously,the parameters of crossover probability and mutation probability are controlled in a reasonable range.Meanwhile,immigrant operators are utilized for coevolving between various populations,which finally realize automatic dividing of sequence stratigraphy basing on multi-parameter logging data.This method mentioned before is applied on division of the Quaternary lithology in the Hebei Plain.It is shown that,the stratigraphic division results accord with the geologically fact.Moreover,the method proves faster and more efficient than the ordinary Fisher optimal division method in computation.It can be conclude that the edge detection optimum intelligent division method is highly applicable in Hebei Plain stratigraphic division of different sediment types,including piedmont area of diluvial alluvial plains,central area of alluvial lacustrine plain and eastern area of alluvial marine plain." @default.
- W2364874428 created "2016-06-24" @default.
- W2364874428 creator A5030994766 @default.
- W2364874428 date "2015-01-01" @default.
- W2364874428 modified "2023-09-25" @default.
- W2364874428 title "An edge detection optimum intelligent division method and its application for multi-parameter log data" @default.
- W2364874428 hasPublicationYear "2015" @default.
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