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| Bayesov autoenkoder za detekciju anomalija× | Bayesov model Gaussovih smjesa× | |
|---|---|---|
| Područje | Strojno učenje | Strojno učenje |
| Obitelj | Machine learning | Machine learning |
| Godina nastanka≠ | 2014–2015 | 1999–2006 |
| Tvorac≠ | Kingma, D. P. & Welling, M.; applied to anomaly detection by An & Cho | Attias, H.; Bishop, C. M. |
| Vrsta≠ | Probabilistic generative model for unsupervised anomaly detection | Probabilistic clustering / density estimation |
| Temeljni izvor≠ | Kingma, D. P. & Welling, M. (2014). Auto-Encoding Variational Bayes. Proceedings of the 2nd International Conference on Learning Representations (ICLR 2014). link ↗ | Bishop, C. M. (2006). Pattern Recognition and Machine Learning (Ch. 10). Springer. ISBN: 978-0-387-31073-2 |
| Drugi nazivi | Bayesian VAE anomaly detection, probabilistic autoencoder anomaly detection, variational autoencoder anomaly detection, VAE-based outlier detection | Bayesian GMM, Variational Gaussian Mixture, VBGMM, Dirichlet Process Gaussian Mixture |
| Srodne≠ | 5 | 4 |
| Sažetak≠ | Bayesian Autoencoder Anomaly Detection uses a Variational Autoencoder — a probabilistic generative model trained on normal data — to flag anomalies by their high reconstruction error or low likelihood under the learned distribution. By treating the latent space as a probability distribution rather than a fixed point, it delivers principled uncertainty estimates alongside each anomaly score, making it especially valuable in high-stakes detection tasks. | The Bayesian Gaussian Mixture Model places prior distributions over all mixture parameters and infers their posteriors — typically via Variational Bayes or MCMC — rather than fitting fixed point estimates. This yields principled uncertainty quantification, automatic selection of the effective number of components, and resistance to overfitting small datasets. |
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