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| Autoencoder× | One-Class SVM× | |
|---|---|---|
| Fachgebiet≠ | Deep Learning | Maschinelles Lernen |
| Familie | Machine learning | Machine learning |
| Entstehungsjahr≠ | 2006 | 1999–2001 |
| Urheber≠ | Hinton, G.E. & Salakhutdinov, R.R. | Scholkopf, B., Platt, J. C., Smola, A. J., Williamson, R. C. |
| Typ≠ | Neural network (encoder-decoder) | Anomaly / novelty detection (unsupervised) |
| Wegweisende Quelle≠ | Hinton, G.E. & Salakhutdinov, R.R. (2006). Reducing the Dimensionality of Data with Neural Networks. Science, 313(5786), 504–507. DOI ↗ | Scholkopf, B., Platt, J. C., Shawe-Taylor, J., Smola, A. J., & Williamson, R. C. (2001). Estimating the support of a high-dimensional distribution. Neural Computation, 13(7), 1443–1471. DOI ↗ |
| Aliasnamen | Otokodlayıcı (Autoencoder), otokodlayıcı, auto-encoder, encoder-decoder network | OCSVM, one-class support vector machine, novelty SVM, unsupervised SVM |
| Verwandt≠ | 4 | 3 |
| Zusammenfassung≠ | An autoencoder is an encoder-decoder neural network, popularised by Hinton and Salakhutdinov in 2006, that compresses data into a low-dimensional latent code and then reconstructs it, enabling dimensionality reduction and anomaly detection. By learning to rebuild its own input through a narrow bottleneck, it discovers a compact representation of the data. | One-class SVM is an unsupervised anomaly and novelty detection algorithm that learns a tight boundary around normal training data in a kernel-induced feature space, flagging new observations that fall outside that boundary as outliers. Introduced by Scholkopf et al. in 1999–2001, it extends the SVM framework to the single-class setting where no labelled anomalies are available. |
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