Semi-Supervised Learning with Normalizing Flows
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Abstract (arXiv)
Normalizing flows transform a latent distribution through an invertible neural network for a flexible and pleasingly simple approach to generative modelling, while preserving an exact likelihood. We propose FlowGMM, an end-to-end approach to generative semi supervised learning with normalizing flows, using a latent Gaussian mixture model. FlowGMM is distinct in its simplicity, unified treatment of labelled and unlabelled data with an exact likelihood, interpretability, and broad applicability beyond image data. We show promising results on a wide range of applications, including AG-News and Yahoo Answers text data, tabular data, and semi-supervised image classification. We also show that FlowGMM can discover interpretable structure, provide real-time optimization-free feature visualizations, and specify well calibrated predictive distributions.
Key facts. Cited by 76 papers in the map (data through 14 Oct 2026). First posted on arXiv 30 Dec 2019.
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Citing papers per year: 2021: 12; 2022: 23; 2023: 12; 2024: 9; 2025: 12; 2026: 8.
76 papers.
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- 2022GMMSeg: Gaussian Mixture based Generative Semantic Segmentation Modelscited by 87
- 2021DOC2PPT: Automatic Presentation Slides Generation from Scientific Documentscited by 70
- 2022Verifying the Union of Manifolds Hypothesis for Image Datacited by 64
- 2022Normalizing Flows for Human Pose Anomaly Detectioncited by 60
- 2021Resampling Base Distributions of Normalizing Flowscited by 42
- 2022Universal approximation property of invertible neural networkscited by 30
- 2021ECINN: Efficient Counterfactuals from Invertible Neural Networkscited by 26
- 2022Constructing Balance from Imbalance for Long-tailed Image Recognitioncited by 25
- 2022Detecting Multivariate Time Series Anomalies with Zero Known Labelcited by 21
- 2023On Sampling with Approximate Transport Mapscited by 21
- 2021On Training Sample Memorization: Lessons from Benchmarking Generative Modeling with a Large-scale Competitioncited by 18
- 2022Adaptive Multi-stage Density Ratio Estimation for Learning Latent Space Energy-based Modelcited by 18
38 more
- 2022Chroma-VAE: Mitigating Shortcut Learning with Generative Classifierscited by 17
- 2021Go with the Flows: Mixtures of Normalizing Flows for Point Cloud Generation and Reconstructioncited by 16
- 2021Task-agnostic Continual Learning with Hybrid Probabilistic Modelscited by 16
- 2021On the expressivity of bi-Lipschitz normalizing flowscited by 16
- 2024Towards the Uncharted: Density-Descending Feature Perturbation for Semi-supervised Semantic Segmentationcited by 16
- 2025PreGenie: An Agentic Framework for High-quality Visual Presentation Generationcited by 16
- 2023Label-Free Multivariate Time Series Anomaly Detectioncited by 14
- 2023A Review of Change of Variable Formulas for Generative Modelingcited by 13
- 2021LiftPool: Bidirectional ConvNet Poolingcited by 11
- 2022Gradual Domain Adaptation via Normalizing Flowscited by 11
- 2021Differentially Private Normalizing Flows for Privacy-Preserving Density Estimationcited by 10
- 2022Towards Accurate Open-Set Recognition via Background-Class Regularizationcited by 10
- 2025Designing a Conditional Prior Distribution for Flow-Based Generative Modelscited by 10
- 2023CeFlow: A Robust and Efficient Counterfactual Explanation Framework for Tabular Data using Normalizing Flowscited by 8
- 2022Class-Imbalanced Complementary-Label Learning via Weighted Losscited by 7
- 2023Normalizing flow sampling with Langevin dynamics in the latent spacecited by 7
- 2022Improving VAE-based Representation Learningcited by 6
- 2023Coupled Variational Autoencodercited by 6
- 2024MGF: Mixed Gaussian Flow for Diverse Trajectory Predictioncited by 6
- 2023GC-Flow: A Graph-Based Flow Network for Effective Clusteringcited by 5
- 2024Treeffuser: Probabilistic Predictions via Conditional Diffusions with Gradient-Boosted Treescited by 5
- 2021Input Invex Neural Networkcited by 4
- 2022Physics-informed Variational Autoencoders for Improved Robustness to Environmental Factors of Variationcited by 4
- 2022StyleFlow: Disentangle Latent Representations via Normalizing Flow for Unsupervised Text Style Transfercited by 4
- 2025Evaluating multiple models using labeled and unlabeled datacited by 4
- 2022AdaAnn: Adaptive Annealing Scheduler for Probability Density Approximationcited by 3
- 2022Text to Image Synthesis using Stacked Conditional Variational Autoencoders and Conditional Generative Adversarial Networkscited by 3
- 2024ContextFlow++: Generalist-Specialist Flow-based Generative Models with Mixed-Variable Context Encodingcited by 3
- 2024This Probably Looks Exactly Like That: An Invertible Prototypical Networkcited by 3
- 2025Learning Geometry and Topology via Multi-Chart Flowscited by 3
- 2022Universality of parametric Coupling Flows over parametric diffeomorphismscited by 2
- 2022Exploiting Unlabeled Data for Target-Oriented Opinion Words Extractioncited by 2
- 2023On the Approximation of Bi-Lipschitz Maps by Invertible Neural Networkscited by 2
- 2024Learning from Reduced Labels for Long-Tailed Datacited by 2
- 2024Generative vs. Discriminative modeling under the lens of uncertainty quantificationcited by 2
- 2021Semi-supervised Learning with Missing Values Imputationcited by 1
- 2022A Deep Learning Approach to Probabilistic Forecasting of Weathercited by 1
- 2022Training Normalizing Flows from Dependent Datacited by 1
50 most cited of 76 All 76 (JSON)
- 2026Beyond Unimodal Bases: Pullback Geometry for Multimodal Data30 Sep 2026
- 2026ProtoSeam: Lifting Classifier Training with Latent Gaussian Mixture Models28 Sep 2026
- 2026Semantic Privacy Protection with Utility Preservation for 3D Point Clouds12 Sep 2026
- 2026sRGB Real Noise Modeling via Noise-Aware Sampling with Normalizing Flows29 Aug 2026
- 2026Gaussian-Mixture Latent Flow for Stochastic 3D Human Motion Prediction21 Aug 2026
- 2026RagGAD: Rationale-Aware Conditional Gaussian Mixture Normalizing Flow for Unsupervised Graph Anomaly Detection17 Aug 2026
- 2026Simplifying Flow Matching Transformations with Low-Rank Mixture Models29 Jun 2026
- 2026AI-Generated Image Recognition via Fusion of CNNs and Vision Transformers26 Jun 2026
- 2025Diffusion Models are Robust Pretrainers4 Nov 2025
- 2025How Regularization Terms Make Invertible Neural Networks Bayesian Point Estimators30 Oct 2025
- 2025Stick-Breaking Mixture Normalizing Flows with Component-Wise Tail Adaptation for Variational Inference9 Oct 2025
- 2025Adaptive Heterogeneous Mixtures of Normalising Flows for Robust Variational Inference2 Oct 2025
38 more
- 2025The distribution of calibrated likelihood functions on the probability-likelihood Aitchison simplex3 Sep 2025
- 2025Fractal Flow: Hierarchical and Interpretable Normalizing Flow via Topic Modeling and Recursive Strategy27 Aug 2025
- 2025Normalizing Flow to Augmented Posterior: Conditional Density Estimation with Interpretable Dimension Reduction for High Dimensional Data6 Jul 2025
- 2025Learning Geometry and Topology via Multi-Chart Flows30 May 2025
- 2025PreGenie: An Agentic Framework for High-quality Visual Presentation Generation27 May 2025
- 2025Hierarchical clustering with maximum density paths and mixture models19 Mar 2025
- 2025Designing a Conditional Prior Distribution for Flow-Based Generative Models13 Feb 2025
- 2025Evaluating multiple models using labeled and unlabeled data21 Jan 2025
- 2024Inverse Entropic Optimal Transport Solves Semi-supervised Learning via Data Likelihood Maximization3 Oct 2024
- 2024This Probably Looks Exactly Like That: An Invertible Prototypical Network16 Jul 2024
- 2024Generative vs. Discriminative modeling under the lens of uncertainty quantification13 Jun 2024
- 2024Treeffuser: Probabilistic Predictions via Conditional Diffusions with Gradient-Boosted Trees11 Jun 2024
- 2024ContextFlow++: Generalist-Specialist Flow-based Generative Models with Mixed-Variable Context Encoding2 Jun 2024
- 2024Model-Based Counterfactual Explanations Incorporating Feature Space Attributes for Tabular Data20 Apr 2024
- 2024Learning from Reduced Labels for Long-Tailed Data25 Mar 2024
- 2024Towards the Uncharted: Density-Descending Feature Perturbation for Semi-supervised Semantic Segmentation11 Mar 2024
- 2024MGF: Mixed Gaussian Flow for Diverse Trajectory Prediction19 Feb 2024
- 2023Label-Free Multivariate Time Series Anomaly Detection17 Dec 2023
- 2023Geometry-Aware Normalizing Wasserstein Flows for Optimal Causal Inference30 Nov 2023
- 2023On the Approximation of Bi-Lipschitz Maps by Invertible Neural Networks18 Aug 2023
- 2023A Review of Change of Variable Formulas for Generative Modeling4 Aug 2023
- 2023Coupled Variational Autoencoder5 Jun 2023
- 2023GC-Flow: A Graph-Based Flow Network for Effective Clustering26 May 2023
- 2023Normalizing flow sampling with Langevin dynamics in the latent space20 May 2023
- 2023Piecewise Normalizing Flows4 May 2023
- 2023CeFlow: A Robust and Efficient Counterfactual Explanation Framework for Tabular Data using Normalizing Flows26 Mar 2023
- 2023Weakly Supervised Label Learning Flows19 Feb 2023
- 2023On Sampling with Approximate Transport Maps9 Feb 2023
- 2023Learning from Stochastic Labels1 Feb 2023
- 2022StyleFlow: Disentangle Latent Representations via Normalizing Flow for Unsupervised Text Style Transfer19 Dec 2022
- 2022Chroma-VAE: Mitigating Shortcut Learning with Generative Classifiers28 Nov 2022
- 2022Normalizing Flows for Human Pose Anomaly Detection20 Nov 2022
- 2022NorMatch: Matching Normalizing Flows with Discriminative Classifiers for Semi-Supervised Learning17 Nov 2022
- 2022Physics-informed Variational Autoencoders for Improved Robustness to Environmental Factors of Variation19 Oct 2022
- 2022GMMSeg: Gaussian Mixture based Generative Semantic Segmentation Models5 Oct 2022
- 2022Training Normalizing Flows from Dependent Data29 Sep 2022
- 2022Class-Imbalanced Complementary-Label Learning via Weighted Loss28 Sep 2022
- 2022Adaptive Multi-stage Density Ratio Estimation for Learning Latent Space Energy-based Model19 Sep 2022
50 newest of 76 All 76 (JSON)
- 2022GMMSeg: Gaussian Mixture based Generative Semantic Segmentation Modelscited by 87
- 2021DOC2PPT: Automatic Presentation Slides Generation from Scientific Documentscited by 70
- 2022Verifying the Union of Manifolds Hypothesis for Image Datacited by 64
- 2022Normalizing Flows for Human Pose Anomaly Detectioncited by 60
- 2021Resampling Base Distributions of Normalizing Flowscited by 42
- 2022Universal approximation property of invertible neural networkscited by 30
- 2021ECINN: Efficient Counterfactuals from Invertible Neural Networkscited by 26
- 2022Constructing Balance from Imbalance for Long-tailed Image Recognitioncited by 25
- 2022Detecting Multivariate Time Series Anomalies with Zero Known Labelcited by 21
- 2023On Sampling with Approximate Transport Mapscited by 21
- 2021On Training Sample Memorization: Lessons from Benchmarking Generative Modeling with a Large-scale Competitioncited by 18
- 2022Adaptive Multi-stage Density Ratio Estimation for Learning Latent Space Energy-based Modelcited by 18
12 most cited of 72 All 72 (JSON)
- 2026Beyond Unimodal Bases: Pullback Geometry for Multimodal Data30 Sep 2026
- 2026ProtoSeam: Lifting Classifier Training with Latent Gaussian Mixture Models28 Sep 2026
- 2026Semantic Privacy Protection with Utility Preservation for 3D Point Clouds12 Sep 2026
- 2026sRGB Real Noise Modeling via Noise-Aware Sampling with Normalizing Flows29 Aug 2026
- 2026Gaussian-Mixture Latent Flow for Stochastic 3D Human Motion Prediction21 Aug 2026
- 2026RagGAD: Rationale-Aware Conditional Gaussian Mixture Normalizing Flow for Unsupervised Graph Anomaly Detection17 Aug 2026
- 2026AI-Generated Image Recognition via Fusion of CNNs and Vision Transformers26 Jun 2026
- 2025How Regularization Terms Make Invertible Neural Networks Bayesian Point Estimators30 Oct 2025
- 2025Stick-Breaking Mixture Normalizing Flows with Component-Wise Tail Adaptation for Variational Inference9 Oct 2025
- 2025Adaptive Heterogeneous Mixtures of Normalising Flows for Robust Variational Inference2 Oct 2025
- 2025The distribution of calibrated likelihood functions on the probability-likelihood Aitchison simplex3 Sep 2025
- 2025Fractal Flow: Hierarchical and Interpretable Normalizing Flow via Topic Modeling and Recursive Strategy27 Aug 2025
12 newest of 72 All 72 (JSON)