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Thomas Plötz

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titleconferencedate
Deriving Effective Human Activity Recognition Systems through Objective Task Complexity AssessmentUbiComp 20212021-09-21
Framework maps each HAR task to a vector of objective complexity measures—feature overlap, linear separability and mixture identifiability—normalized to (0,1)…
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Contrastive Predictive Coding for Human Activity RecognitionUbiComp 20212021-09-21
Applies Contrastive Predictive Coding to wearable-sensor HAR using a 1D convolutional encoder and GRU to produce z-vectors and a context Ct, trained with…
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Sensing Affect to Empower Students: Learner Perspectives on Affect-Sensitive TechnologyLearning at Scale 20202020-08-12
Two mixed-method studies probe student views: 11 in-class observations with affect-sensing wristbands plus interviews and a survey of online OMSCS students…
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