Toward Automatically Labeling Situations in Soccer

We study the automatic annotation of situations in soccer games. At first sight, this translates nicely into a standard supervised learning problem. However, in a fully supervised setting, predictive accuracies are supposed to correlate positively with the amount of labeled situations: more labeled training data simply promise better performance. Unfortunately, non-trivially annotated situations in soccer games are scarce, expensive and almost always require human experts; a fully supervised approach appears infeasible. Hence, we split the problem into two parts and learn (i) a meaningful feature representation using variational autoencoders on unlabeled data at large scales and (ii) a large-margin classifier acting in this feature space but utilize only a few (manually) annotated examples of the situation of interest. We propose four different architectures of the variational autoencoder and empirically study the detection of corner kicks, crosses and counterattacks. We observe high predictive accuracies above 90% AUC irrespectively of the task

Annotation · Artificial neural network · Autoencoder · Classifier (UML · Deep learning · Feature (linguistics · Feature learning · Feature vector · Labeled data · Machine learning · Margin (machine learning · Pattern recognition (psychology · Representation (politics · Supervised Learning · Task (project management · Training set · Computer Science · Human Pose and Action Recognition · Sports Analytics and Performance · Video Analysis and Summarization · Artificial Intelligence

• Support-Vector Networks

  Open Access•Corinna Cortes, Vladimir Vapnik•Machine Learning•1995

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