Explainable Deep One-Class Classification
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Abstract (arXiv)
Deep one-class classification variants for anomaly detection learn a mapping that concentrates nominal samples in feature space causing anomalies to be mapped away. Because this transformation is highly non-linear, finding interpretations poses a significant challenge. In this paper we present an explainable deep one-class classification method, Fully Convolutional Data Description (FCDD), where the mapped samples are themselves also an explanation heatmap. FCDD yields competitive detection performance and provides reasonable explanations on common anomaly detection benchmarks with CIFAR-10 and ImageNet. On MVTec-AD, a recent manufacturing dataset offering ground-truth anomaly maps, FCDD sets a new state of the art in the unsupervised setting. Our method can incorporate ground-truth anomaly maps during training and using even a few of these (~5) improves performance significantly. Finally, using FCDD's explanations we demonstrate the vulnerability of deep one-class classification models to spurious image features such as image watermarks.
Key facts. Cited by 126 papers in the map (data through 7 Oct 2026). First posted on arXiv 3 Jul 2020.
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Citing papers per year: 2021: 19; 2022: 27; 2023: 34; 2024: 24; 2025: 14; 2026: 8.
126 papers.
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- 2021CutPaste: Self-Supervised Learning for Anomaly Detection and Localizationcited by 529
- 2023AnomalyCLIP: Object-agnostic Prompt Learning for Zero-shot Anomaly Detectioncited by 270
- 2022A Unified Model for Multi-class Anomaly Detectioncited by 267
- 2023SimpleNet: A Simple Network for Image Anomaly Detection and Localizationcited by 256
- 2022ADBench: Anomaly Detection Benchmarkcited by 230
- 2021A Unified Survey on Anomaly, Novelty, Open-Set, and Out-of-Distribution Detection: Solutions and Future Challengescited by 154
- 2023Deep Industrial Image Anomaly Detection: A Surveycited by 147
- 2021Fully Convolutional Cross-Scale-Flows for Image-based Defect Detectioncited by 117
- 2024RealNet: A Feature Selection Network with Realistic Synthetic Anomaly for Anomaly Detectioncited by 116
- 2022Catching Both Gray and Black Swans: Open-set Supervised Anomaly Detectioncited by 104
- 2023Pushing the Limits of Fewshot Anomaly Detection in Industry Vision: Graphcorecited by 75
- 2022Explicit Boundary Guided Semi-Push-Pull Contrastive Learning for Supervised Anomaly Detectioncited by 72
38 more
- 2022PNI : Industrial Anomaly Detection using Position and Neighborhood Informationcited by 69
- 2022Deep Learning for Unsupervised Anomaly Localization in Industrial Images: A Surveycited by 67
- 2023Hierarchical Vector Quantized Transformer for Multi-class Unsupervised Anomaly Detectioncited by 66
- 2023IM-IAD: Industrial Image Anomaly Detection Benchmark in Manufacturingcited by 64
- 2023Exploring Plain ViT Reconstruction for Multi-class Unsupervised Anomaly Detectioncited by 47
- 2021Neural Contextual Anomaly Detection for Time Seriescited by 42
- 2023Towards Self-Interpretable Graph-Level Anomaly Detectioncited by 41
- 2022A Survey on Explainable Anomaly Detectioncited by 39
- 2024Generalized Out-of-Distribution Detection and Beyond in Vision Language Model Era: A Surveycited by 36
- 2021One-Class Classification: A Surveycited by 35
- 2022Exposing Outlier Exposure: What Can Be Learned From Few, One, and Zero Outlier Imagescited by 35
- 2023DiAD: A Diffusion-based Framework for Multi-class Anomaly Detectioncited by 33
- 2021Focus Your Distribution: Coarse-to-Fine Non-Contrastive Learning for Anomaly Detection and Localizationcited by 32
- 2022ADTR: Anomaly Detection Transformer with Feature Reconstructioncited by 31
- 2024PointAD: Comprehending 3D Anomalies from Points and Pixels for Zero-shot 3D Anomaly Detectioncited by 29
- 2024Deep Learning for Video Anomaly Detection: A Reviewcited by 27
- 2021Semi-orthogonal Embedding for Efficient Unsupervised Anomaly Segmentationcited by 26
- 2023Fascinating Supervisory Signals and Where to Find Them: Deep Anomaly Detection with Scale Learningcited by 25
- 2023Anomaly Heterogeneity Learning for Open-set Supervised Anomaly Detectioncited by 25
- 2024ResAD: A Simple Framework for Class Generalizable Anomaly Detectioncited by 24
- 2023Target before Shooting: Accurate Anomaly Detection and Localization under One Millisecond via Cascade Patch Retrievalcited by 22
- 2021AnoSeg: Anomaly Segmentation Network Using Self-Supervised Learningcited by 21
- 2022A Survey on Unsupervised Anomaly Detection Algorithms for Industrial Imagescited by 21
- 2022Data-Efficient and Interpretable Tabular Anomaly Detectioncited by 15
- 2023Beyond Individual Input for Deep Anomaly Detection on Tabular Datacited by 14
- 2023Generating and Reweighting Dense Contrastive Patterns for Unsupervised Anomaly Detectioncited by 14
- 2024VMAD: Visual-enhanced Multimodal Large Language Model for Zero-Shot Anomaly Detectioncited by 13
- 2021AnomalyHop: An SSL-based Image Anomaly Localization Methodcited by 12
- 2023Deep Orthogonal Hypersphere Compression for Anomaly Detectioncited by 12
- 2024A2C: A Modular Multi-stage Collaborative Decision Framework for Human-AI Teamscited by 12
- 2024SuperSimpleNet: Unifying Unsupervised and Supervised Learning for Fast and Reliable Surface Defect Detectioncited by 12
- 2021PEDENet: Image Anomaly Localization via Patch Embedding and Density Estimationcited by 11
- 2022A Survey of Visual Sensory Anomaly Detectioncited by 11
- 2023ProtoFL: Unsupervised Federated Learning via Prototypical Distillationcited by 11
- 2023UniFormaly: Towards Task-Agnostic Unified Framework for Visual Anomaly Detectioncited by 11
- 2021Contrastive Predictive Coding for Anomaly Detectioncited by 10
- 2021Transfer Learning Gaussian Anomaly Detection by Fine-tuning Representationscited by 10
- 2023Bootstrap Fine-Grained Vision-Language Alignment for Unified Zero-Shot Anomaly Localizationcited by 10
50 most cited of 126 All 126 (JSON)
- 2026Augmenting Visual Anomaly Detection with Automated Interpretability27 Sep 2026
- 2026Contrastive Knowledge Distillation for Anomaly Detection in Multi-Illumination/Focus Display Images1 Sep 2026
- 2026Learning a Normal World Model for Few-Shot Boundary-Calibrated Abnormality Detection20 Jun 2026
- 2026LOTTERY: Learning from Reference-Only Samples in Two-Sample Testing under Size Asymmetry7 Jun 2026
- 2026FB-CLIP: Fine-Grained Zero-Shot Anomaly Detection with Foreground-Background Disentanglement20 Mar 2026
- 2026Towards One-for-All Anomaly Detection for Tabular Data15 Mar 2026
- 2026Interpretable Maximum Margin Deep Anomaly Detection7 Mar 2026
- 2026MAU-GPT: Enhancing Multi-type Industrial Anomaly Understanding via Anomaly-aware and Generalist Experts Adaptation31 Jan 2026
- 2025Unsupervised Anomaly Detection with an Enhanced Teacher for Student-Teacher Feature Pyramid Matching20 Dec 2025
- 2025AgentIAD: Agentic Industrial Anomaly Detection via Adaptive Memory Augmentation15 Dec 2025
- 2025Anomaly Detection with Adaptive and Aggressive Rejection for Contaminated Training Data26 Nov 2025
- 2025Explainable Deep Convolutional Multi-Type Anomaly Detection14 Nov 2025
38 more
- 2025ADPretrain: Advancing Industrial Anomaly Detection via Anomaly Representation Pretraining7 Nov 2025
- 2025Enhancing Time-Series Anomaly Detection by Integrating Spectral-Residual Bottom-Up Attention with Reservoir Computing16 Oct 2025
- 2025ResAD++: Towards Class Agnostic Anomaly Detection via Residual Feature Learning28 Sep 2025
- 2025HyperCore: Coreset Selection under Noise via Hypersphere Models26 Sep 2025
- 2025MCL-AD: Multimodal Collaboration Learning for Zero-Shot 3D Anomaly Detection12 Sep 2025
- 2025PointAD+: Learning Hierarchical Representations for Zero-shot 3D Anomaly Detection3 Sep 2025
- 2025Few-shot Human Action Anomaly Detection via a Unified Contrastive Learning Framework25 Aug 2025
- 2025Normal and Abnormal Pathology Knowledge-Augmented Vision-Language Model for Anomaly Detection in Pathology Images21 Aug 2025
- 2025Out-of-Distribution Detection using Counterfactual Distance13 Aug 2025
- 2025The Evolution of Video Anomaly Detection: A Unified Framework from DNN to MLLM29 Jul 2025
- 2024Redefining Normal: A Novel Object-Level Approach for Multi-Object Novelty Detection15 Dec 2024
- 2024Towards Zero-shot 3D Anomaly Localization5 Dec 2024
- 2024Identifying Spatio-Temporal Drivers of Extreme Events31 Oct 2024
- 2024ResAD: A Simple Framework for Class Generalizable Anomaly Detection26 Oct 2024
- 2024PointAD: Comprehending 3D Anomalies from Points and Pixels for Zero-shot 3D Anomaly Detection1 Oct 2024
- 2024VMAD: Visual-enhanced Multimodal Large Language Model for Zero-Shot Anomaly Detection30 Sep 2024
- 2024MeLIAD: Interpretable Few-Shot Anomaly Detection with Metric Learning and Entropy-based Scoring20 Sep 2024
- 2024Unsupervised Hybrid framework for ANomaly Detection (HAND) -- applied to Screening Mammogram17 Sep 2024
- 2024Deep Learning for Video Anomaly Detection: A Review9 Sep 2024
- 2024VQ-Flow: Taming Normalizing Flows for Multi-Class Anomaly Detection via Hierarchical Vector Quantization2 Sep 2024
- 2024AnomalousPatchCore: Exploring the Use of Anomalous Samples in Industrial Anomaly Detection27 Aug 2024
- 2024Flexible categorization using formal concept analysis and Dempster-Shafer theory23 Aug 2024
- 2024SuperSimpleNet: Unifying Unsupervised and Supervised Learning for Fast and Reliable Surface Defect Detection6 Aug 2024
- 2024Generalized Out-of-Distribution Detection and Beyond in Vision Language Model Era: A Survey31 Jul 2024
- 2024Enhancing Multi-Class Anomaly Detection via Diffusion Refinement with Dual Conditioning2 Jul 2024
- 2024AI-based Anomaly Detection for Clinical-Grade Histopathological Diagnostics21 Jun 2024
- 2024ATAC-Net: Zoomed view works better for Anomaly Detection20 Jun 2024
- 2024Qsco: A Quantum Scoring Module for Open-set Supervised Anomaly Detection25 May 2024
- 2024Critical Review for One-class Classification: recent advances and the reality behind them27 Apr 2024
- 2024Hyperspectral Anomaly Detection with Self-Supervised Anomaly Prior20 Apr 2024
- 2024LLM meets Vision-Language Models for Zero-Shot One-Class Classification31 Mar 2024
- 2024RealNet: A Feature Selection Network with Realistic Synthetic Anomaly for Anomaly Detection9 Mar 2024
- 2024Reimagining Anomalies: What If Anomalies Were Normal?22 Feb 2024
- 2024A2C: A Modular Multi-stage Collaborative Decision Framework for Human-AI Teams25 Jan 2024
- 2023Generating and Reweighting Dense Contrastive Patterns for Unsupervised Anomaly Detection26 Dec 2023
- 2023Outlier detection using flexible categorisation and interrogative agendas19 Dec 2023
- 2023Exploring Plain ViT Reconstruction for Multi-class Unsupervised Anomaly Detection12 Dec 2023
- 2023DiAD: A Diffusion-based Framework for Multi-class Anomaly Detection11 Dec 2023
50 newest of 126 All 126 (JSON)
- 2021CutPaste: Self-Supervised Learning for Anomaly Detection and Localizationcited by 529
- 2023AnomalyCLIP: Object-agnostic Prompt Learning for Zero-shot Anomaly Detectioncited by 270
- 2022A Unified Model for Multi-class Anomaly Detectioncited by 267
- 2023SimpleNet: A Simple Network for Image Anomaly Detection and Localizationcited by 256
- 2022ADBench: Anomaly Detection Benchmarkcited by 230
- 2021A Unified Survey on Anomaly, Novelty, Open-Set, and Out-of-Distribution Detection: Solutions and Future Challengescited by 154
- 2023Deep Industrial Image Anomaly Detection: A Surveycited by 147
- 2021Fully Convolutional Cross-Scale-Flows for Image-based Defect Detectioncited by 117
- 2024RealNet: A Feature Selection Network with Realistic Synthetic Anomaly for Anomaly Detectioncited by 116
- 2022Catching Both Gray and Black Swans: Open-set Supervised Anomaly Detectioncited by 104
- 2023Pushing the Limits of Fewshot Anomaly Detection in Industry Vision: Graphcorecited by 75
- 2022Explicit Boundary Guided Semi-Push-Pull Contrastive Learning for Supervised Anomaly Detectioncited by 72
12 most cited of 120 All 120 (JSON)
- 2026Augmenting Visual Anomaly Detection with Automated Interpretability27 Sep 2026
- 2026Contrastive Knowledge Distillation for Anomaly Detection in Multi-Illumination/Focus Display Images1 Sep 2026
- 2026LOTTERY: Learning from Reference-Only Samples in Two-Sample Testing under Size Asymmetry7 Jun 2026
- 2026FB-CLIP: Fine-Grained Zero-Shot Anomaly Detection with Foreground-Background Disentanglement20 Mar 2026
- 2026Towards One-for-All Anomaly Detection for Tabular Data15 Mar 2026
- 2026Interpretable Maximum Margin Deep Anomaly Detection7 Mar 2026
- 2026MAU-GPT: Enhancing Multi-type Industrial Anomaly Understanding via Anomaly-aware and Generalist Experts Adaptation31 Jan 2026
- 2025Unsupervised Anomaly Detection with an Enhanced Teacher for Student-Teacher Feature Pyramid Matching20 Dec 2025
- 2025Anomaly Detection with Adaptive and Aggressive Rejection for Contaminated Training Data26 Nov 2025
- 2025Explainable Deep Convolutional Multi-Type Anomaly Detection14 Nov 2025
- 2025ADPretrain: Advancing Industrial Anomaly Detection via Anomaly Representation Pretraining7 Nov 2025
- 2025Enhancing Time-Series Anomaly Detection by Integrating Spectral-Residual Bottom-Up Attention with Reservoir Computing16 Oct 2025
12 newest of 120 All 120 (JSON)