Condition relaxation in conditional statistical shape models

作者: Elco Oost , Sho Tomoshige , Akinobu Shimizu

DOI: 10.1007/978-3-642-54851-2_2

关键词: AlgorithmConditional probability distributionMathematicsArtificial intelligenceChain rule (probability)Regular conditional probabilityActive appearance modelConditional entropyRelaxation (approximation)Subspace topologyMachine learningDiscriminative model

摘要: A conditional statistical shape model is a valuable subspace method in medical image analysis. During training of the model, relationship between object interest and set features established. Subsequently, while analyzing an unseen image, measured condition matched with this distribution then data marked as relevant used for desired reconstruction shape. This approach can work properly only case when term reliable. Unfortunately, reliability not always sufficiently high such situation, instead being beneficial, hampering model. chapter describes advantages disadvantages models discusses how relaxation help to deal possible unreliability term. The requirements construction functioning relaxed are defined optimal design tested against various alternative (relaxed) models, showing superiority optimally designed

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