9783540677048 - Multiple Classifier Systems: First International Workshop, MCS 2000 Cagliari, Italy, June 21-23, 2000 Proceedings: 1857 (Lecture Notes in Computer Science, 1857) de... (15 resultados)

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Taschenbuch. Condición: Neu. Druck auf Anfrage Neuware - Printed after ordering - Many theoretical and experimental studies have shown that a multiple classi er system is an e ective technique for reducing prediction errors [9,10,11,20,19]. These studies identify mainly three elements that characterize a set of cl- si ers: Therepresentationoftheinput(whateachindividualclassi erreceivesby wayofinput). Thearchitectureoftheindividualclassi ers(algorithmsandparametri- tion). The way to cause these classi ers to take a decision together. Itcanbeassumedthatacombinationmethodise cientifeachindividualcl- si ermakeserrors inadi erentway ,sothatitcanbeexpectedthatmostofthe classi ers can correct the mistakes that an individual one does [1,19]. The term weak classi ers refers to classi ers whose capacity has been reduced in some way so as to increase their prediction diversity. Either their internal architecture issimple(e.g.,theyusemono-layerperceptronsinsteadofmoresophisticated neural networks), or they are prevented from using all the information available. Sinceeachclassi erseesdi erentsectionsofthelearningset,theerrorcorre- tion among them is reduced. It has been shown that the majority vote is the beststrategyiftheerrorsamongtheclassi ersarenotcorrelated.Moreover, in real applications, the majority vote also appears to be as e cient as more sophisticated decision rules [2,13]. Onemethodofgeneratingadiversesetofclassi ersistoupsetsomeaspect ofthetraininginputofwhichtheclassi erisrather unstable. In the present paper,westudytwodistinctwaystocreatesuchweakenedclassi ers;i.e.learning set resampling (using the Bagging approach [5]), and random feature subset selection (using MFS , a Multiple Feature Subsets approach [3]). Other recent and similar techniques are not discussed here but are also based on modi cations to the training and/or the feature set [7,8,12,21].

Taschenbuch. Condición: Neu. Multiple Classifier Systems | First International Workshop, MCS 2000 Cagliari, Italy, June 21-23, 2000 Proceedings | Josef Kittler (u. a.) | Taschenbuch | Einband - flex.(Paperback) | Englisch | 2000 | Springer | EAN 9783540677048 | Verantwortliche Person für die EU: Springer Nature Customer Service Center GmbH, Europaplatz 3, 69115 Heidelberg, productsafety[at]springernature[dot]com | Anbieter: preigu.

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Taschenbuch. Condición: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Many theoretical and experimental studies have shown that a multiple classi er system is an e ective technique for reducing prediction errors [9,10,11,20,19]. These studies identify mainly three elements that characterize a set of cl- si ers: Therepresentationoftheinput(whateachindividualclassi erreceivesby wayofinput). Thearchitectureoftheindividualclassi ers(algorithmsandparametri- tion). The way to cause these classi ers to take a decision together. Itcanbeassumedthatacombinationmethodise cientifeachindividualcl- si ermakeserrors inadi erentway ,sothatitcanbeexpectedthatmostofthe classi ers can correct the mistakes that an individual one does [1,19]. The term weak classi ers refers to classi ers whose capacity has been reduced in some way so as to increase their prediction diversity. Either their internal architecture issimple(e.g.,theyusemono-layerperceptronsinsteadofmoresophisticated neural networks), or they are prevented from using all the information available. Sinceeachclassi erseesdi erentsectionsofthelearningset,theerrorcorre- tion among them is reduced. It has been shown that the majority vote is the beststrategyiftheerrorsamongtheclassi ersarenotcorrelated.Moreover, in real applications, the majority vote also appears to be as e cient as more sophisticated decision rules [2,13]. Onemethodofgeneratingadiversesetofclassi ersistoupsetsomeaspect ofthetraininginputofwhichtheclassi erisrather unstable. In the present paper,westudytwodistinctwaystocreatesuchweakenedclassi ers;i.e.learning set resampling (using the Bagging approach [5]), and random feature subset selection (using MFS , a Multiple Feature Subsets approach [3]). Other recent and similar techniques are not discussed here but are also based on modi cations to the training and/or the feature set [7,8,12,21]. 424 pp. Englisch.

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Taschenbuch. Condición: Neu. This item is printed on demand - Print on Demand Titel. Neuware -Ensemble Methods in Machine Learning.- Experiments with Classifier Combining Rules.- The 'Test and Select' Approach to Ensemble Combination.- A Survey of Sequential Combination of Word Recognizers in Handwritten Phrase Recognition at CEDAR.- Multiple Classifier Combination Methodologies for Different Output Levels.- A Mathematically Rigorous Foundation for Supervised Learning.- Classifier Combinations: Implementations and Theoretical Issues.- Some Results on Weakly Accurate Base Learners for Boosting Regression and Classification.- Complexity of Classification Problems and Comparative Advantages of Combined Classifiers.- Effectiveness of Error Correcting Output Codes in Multiclass Learning Problems.- Combining Fisher Linear Discriminants for Dissimilarity Representations.- A Learning Method of Feature Selection for Rough Classification.- Analysis of a Fusion Method for Combining Marginal Classifiers.- A hybrid projection based and radial basis function architecture.- Combining Multiple Classifiers in Probabilistic Neural Networks.- Supervised Classifier Combination through Generalized Additive Multi-model.- Dynamic Classifier Selection.- Boosting in Linear Discriminant Analysis.- Different Ways of Weakening Decision Trees and Their Impact on Classification Accuracy of DT Combination.- Applying Boosting to Similarity Literals for Time Series Classification.- Boosting of Tree-Based Classifiers for Predictive Risk Modeling in GIS.- A New Evaluation Method for Expert Combination in Multi-expert System Designing.- Diversity between Neural Networks and Decision Trees for Building Multiple Classifier Systems.- Self-Organizing Decomposition of Functions.- Classifier Instability and Partitioning.- A Hierarchical Multiclassifier System for Hyperspectral Data Analysis.-Consensus Based Classification of Multisource Remote Sensing Data.- Combining Parametric and Nonparametric Classifiers for an Unsupervised Updating of Land-Cover Maps.- A Multiple Self-Organizing Map Scheme for Remote Sensing Classification.- Use of Lexicon Density in Evaluating Word Recognizers.- A Multi-expert System for Dynamic Signature Verification.- A Cascaded Multiple Expert System for Verification.- Architecture for Classifier Combination Using Entropy Measures.- Combining Fingerprint Classifiers.- Statistical Sensor Calibration for Fusion of Different Classifiers in a Biometric Person Recognition Framework.- A Modular Neuro-Fuzzy Network for Musical Instruments Classification.- Classifier Combination for Grammar-Guided Sentence Recognition.- Shape Matching and Extraction by an Array of Figure-and-Ground Classifiers.Springer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 424 pp. Englisch.