Jack Brighouse_ 磁响应逆向建模和分类以改进海上未爆炸弹药目标选择.pdf

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1、Inverse modelling&classification of magnetic responses to improve marine UXO target selectionOi 2024-Data Interpretation&AlJack Brighouse1The problemTarget identificationand clearanceUXO surveyTarget listTarget rationalisation4%targets investigated are actually UXO15%85%ObjectiveUse past projects da

2、ta to better predict the magnetic response of potential UXO on future projectsImplementable on live projectsTested and validatedDocumented and transparentUse past projects data to better predict the magnetic response of potential UXO on future projectsImplementable on live projectsTested and validat

3、edDocumented and transparentMethods3 Data extraction4 Simulation5 Optimisation2 Normalisation1 Manual QCClassification possible for 98%targets3 Data extraction4 Simulation5 Optimisation1 Manual QC2 NormalisationAll data processed with the same filters3 Data extraction4 Simulation5 OptimisationIndust

4、ry focus is on target sizeClassifier focus is on target shape85 variables extracted per target1 Manual QC2 Normalisation3 Data extraction4 Simulation5 OptimisationReplicate the target responseModelled sphereAspect ratioDeclinationItem diameter1 Manual QC2 Normalisation3 Data extraction4 Simulation5

5、OptimisationUXOFalse positivesOptimisation ranking algorithmCombining many variablesUXO fit valueUXO fit categoryOutputs1 Manual QC2 NormalisationResultsResults graphs explained5 test projects1 live use projectResults First live test projectClassifications performed before target investigationResult

6、s 3 x test projectsClassifications performed with no knowledge of what each target wasResults Live test projectClassifications performed before target investigationResults Live project useResults CombinedConclusionsSeparated all threshold UXO from 36.8%debris8