A Survey on Visual Anomaly Detection: Challenge, Approach, and Prospect
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Abstract (arXiv)
Visual Anomaly Detection (VAD) endeavors to pinpoint deviations from the concept of normality in visual data, widely applied across diverse domains, e.g., industrial defect inspection, and medical lesion detection. This survey comprehensively examines recent advancements in VAD by identifying three primary challenges: 1) scarcity of training data, 2) diversity of visual modalities, and 3) complexity of hierarchical anomalies. Starting with a brief overview of the VAD background and its generic concept definitions, we progressively categorize, emphasize, and discuss the latest VAD progress from the perspective of sample number, data modality, and anomaly hierarchy. Through an in-depth analysis of the VAD field, we finally summarize future developments for VAD and conclude the key findings and contributions of this survey.
Key facts. Cited by 69 papers in the map (data through 7 Oct 2026). Builds on 54 of its 67 references that are in the map. First posted on arXiv 29 Jan 2024.
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54 of 67 references.
References · 54
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- 2023APRIL-GAN: A Zero-/Few-Shot Anomaly Classification and Segmentation Method for CVPR 2023 VAND Workshop Challenge Tracks 1&2: 1st Place on Zero-shot AD and 4th Place on Few-shot ADcited by 128
- 2022Asymmetric Student-Teacher Networks for Industrial Anomaly Detectioncited by 115
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- 2022Back to the Feature: Classical 3D Features are (Almost) All You Need for 3D Anomaly Detectioncited by 92
- 2022Anomaly Detection in Autonomous Driving: A Surveycited by 87
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- 2023Pushing the Limits of Fewshot Anomaly Detection in Industry Vision: Graphcorecited by 75
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- 2021Deep One-Class Classification via Interpolated Gaussian Descriptorcited by 67
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- 2023Segment Any Anomaly without Training via Hybrid Prompt Regularizationcited by 59
- 2022Prototypical Residual Networks for Anomaly Detection and Localizationcited by 56
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- 2023EasyNet: An Easy Network for 3D Industrial Anomaly Detectioncited by 43
- 2023Towards Generic Anomaly Detection and Understanding: Large-scale Visual-linguistic Model (GPT-4V) Takes the Leadcited by 40
- 2020Safe Robot Navigation via Multi-Modal Anomaly Detectioncited by 33
- 2023Cheating Depth: Enhancing 3D Surface Anomaly Detection via Depth Simulationcited by 33
- 2023DiAD: A Diffusion-based Framework for Multi-class Anomaly Detectioncited by 33
- 2024Unsupervised Continual Anomaly Detection with Contrastively-learned Promptcited by 31
- 2023GPT-4V-AD: Exploring Grounding Potential of VQA-oriented GPT-4V for Zero-shot Anomaly Detectioncited by 23
- 2023Component-aware anomaly detection framework for adjustable and logical industrial visual inspectioncited by 22
- 2023Learning Global-Local Correspondence with Semantic Bottleneck for Logical Anomaly Detectioncited by 21
50 most cited of 54 All 54 (JSON)
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- 2024Real-IAD: A Real-World Multi-View Dataset for Benchmarking Versatile Industrial Anomaly Detectioncited by 138
- 2024AdaCLIP: Adapting CLIP with Hybrid Learnable Prompts for Zero-Shot Anomaly Detectioncited by 126
- 2024MambaAD: Exploring State Space Models for Multi-class Unsupervised Anomaly Detectioncited by 113
- 2024Toward Generalist Anomaly Detection via In-context Residual Learning with Few-shot Sample Promptscited by 88
- 2025Exploring Intrinsic Normal Prototypes within a Single Image for Universal Anomaly Detectioncited by 47
- 2024Generalized Out-of-Distribution Detection and Beyond in Vision Language Model Era: A Surveycited by 36
- 2024PointAD: Comprehending 3D Anomalies from Points and Pixels for Zero-shot 3D Anomaly Detectioncited by 29
- 2024Multi-Sensor Object Anomaly Detection: Unifying Appearance, Geometry, and Internal Propertiescited by 26
- 2024MemoryMamba: Memory-Augmented State Space Model for Defect Recognitioncited by 24
- 2024M3DM-NR: RGB-3D Noisy-Resistant Industrial Anomaly Detection via Multimodal Denoisingcited by 24
- 2024ResAD: A Simple Framework for Class Generalizable Anomaly Detectioncited by 24
- 2024Unseen Visual Anomaly Generationcited by 23
38 more
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- 2025Can Multimodal Large Language Models be Guided to Improve Industrial Anomaly Detection?cited by 17
- 2024Learning Feature Inversion for Multi-class Anomaly Detection under General-purpose COCO-AD Benchmarkcited by 15
- 2024Towards Zero-shot Point Cloud Anomaly Detection: A Multi-View Projection Frameworkcited by 15
- 2025Real-IAD D3: A Real-World 2D/Pseudo-3D/3D Dataset for Industrial Anomaly Detectioncited by 12
- 2024Learning Multi-view Anomaly Detection with Efficient Adaptive Selectioncited by 9
- 2025Towards Visual Discrimination and Reasoning of Real-World Physical Dynamics: Physics-Grounded Anomaly Detectioncited by 9
- 2025Bridging 3D Anomaly Localization and Repair via High-Quality Continuous Geometric Representationcited by 9
- 2024RAD: A Comprehensive Dataset for Benchmarking the Robustness of Image Anomaly Detectioncited by 8
- 2024Dual-path Frequency Discriminators for Few-shot Anomaly Detectioncited by 7
- 2024GlanceVAD: Exploring Glance Supervision for Label-efficient Video Anomaly Detectioncited by 7
- 2024A Comprehensive Library for Benchmarking Multi-class Visual Anomaly Detectioncited by 7
- 2025A Survey on Industrial Anomaly Synthesiscited by 7
- 2025INP-Former++: Advancing Universal Anomaly Detection via Intrinsic Normal Prototypes and Residual Learningcited by 7
- 2026MAU-GPT: Enhancing Multi-type Industrial Anomaly Understanding via Anomaly-aware and Generalist Experts Adaptationcited by 6
- 2024ROADS: Robust Prompt-driven Multi-Class Anomaly Detection under Domain Shiftcited by 5
- 2025TailedCore: Few-Shot Sampling for Unsupervised Long-Tail Noisy Anomaly Detectioncited by 5
- 2025CostFilter-AD: Enhancing Anomaly Detection through Matching Cost Filteringcited by 5
- 2024Adapted-MoE: Mixture of Experts with Test-Time Adaption for Anomaly Detectioncited by 4
- 2025Multi-View Industrial Anomaly Detection with Epipolar Constrained Cross-View Fusioncited by 3
- 2025RoBiS: Robust Binary Segmentation for High-Resolution Industrial Imagescited by 3
- 2025CAVE: Detecting and Explaining Commonsense Anomalies in Visual Environmentscited by 3
- 2024Attention Fusion Reverse Distillation for Multi-Lighting Image Anomaly Detectioncited by 2
- 2025A Comprehensive Survey for Real-World Industrial Defect Detection: Challenges, Approaches, and Prospectscited by 2
- 2025MCL-AD: Multimodal Collaboration Learning for Zero-Shot 3D Anomaly Detectioncited by 2
- 2025ResAD++: Towards Class Agnostic Anomaly Detection via Residual Feature Learningcited by 2
- 2026RAID: Retrieval-Augmented Anomaly Detectioncited by 2
- 2025IQE-CLIP: Instance-aware Query Embedding for Zero-/Few-shot Anomaly Detection in Medical Domaincited by 1
- 2025Quantitative Benchmarking of Anomaly Detection Methods in Digital Pathologycited by 1
- 2025Toward Long-Tailed Online Anomaly Detection through Class-Agnostic Conceptscited by 1
- 2025Unsupervised Multi-View Visual Anomaly Detection via Progressive Homography-Guided Alignmentcited by 1
- 2025AnyAD: Unified Any-Modality Anomaly Detection in Incomplete Multi-Sequence MRIcited by 1
- 2026AnomalyAgent: Training-Free Agentic Models for Zero-/Few-Shot Anomaly Detectioncited by 1
- 2026Anomaly Factory 3D: A Modular Framework for Diverse Pseudo-Anomaly Synthesis in Unsupervised 3D Anomaly Detectioncited by 1
- 2024On The Relationship between Visual Anomaly-free and Anomalous Representationscited by 0
50 most cited of 69 All 69 (JSON)
- 2026Fine-Grained Anomaly Perception in Wild UGC-Enhanced Images: A Comprehensive Dataset and Difference-Fusion Framework2 Sep 2026
- 2026Robust Zero-shot Anomaly Detection under Limited Auxiliary Anomaly Priors28 Jun 2026
- 2026Anomaly Factory 3D: A Modular Framework for Diverse Pseudo-Anomaly Synthesis in Unsupervised 3D Anomaly Detection28 Jun 2026
- 2026Learning Topology-Aware Representations via Test-Time Adaptation for Anomaly Segmentation26 Jun 2026
- 2026CoGeoAD: Hierarchical Color-Geometric Fusion with Multi-View Attention for Zero-Shot 3D Anomaly Detection24 Jun 2026
- 2026MambaADv2: Evolving Duality-enhanced State Space Model for Unsupervised Anomaly Detection22 Jun 2026
- 2026HiMatch-AD: DINOv3-driven Hierarchical Matching for Training-free Medical Anomaly Detection21 Jun 2026
- 2026AnomalyAgent: Training-Free Agentic Models for Zero-/Few-Shot Anomaly Detection28 May 2026
- 2026Dual Prototype-Conditioned Diffusion Model for Scalable Multi-Class Unsupervised Anomaly Detection in Large Category Spaces23 May 2026
- 2026Beyond Normal References: Discriminative Few-Shot Anomaly Detection22 May 2026
- 2026GroundingAnomaly: Spatially-Grounded Diffusion for Few-Shot Anomaly Synthesis9 Apr 2026
- 2026SGANet: Semantic and Geometric Alignment for Multimodal Multi-view Anomaly Detection7 Apr 2026
38 more
- 2026InCTRLv2: Generalist Residual Models for Few-Shot Anomaly Detection and Segmentation6 Apr 2026
- 2026MoECLIP: Patch-Specialized Experts for Zero-shot Anomaly Detection3 Mar 2026
- 2026RAID: Retrieval-Augmented Anomaly Detection23 Feb 2026
- 2026MAU-GPT: Enhancing Multi-type Industrial Anomaly Understanding via Anomaly-aware and Generalist Experts Adaptation31 Jan 2026
- 2026Multi-Cue Anomaly Detection and Localization under Data Contamination30 Jan 2026
- 2026Test-Time Adaptation for Anomaly Segmentation via Topology-Aware Optimal Transport Chaining28 Jan 2026
- 2025Physic-HM: Restoring Physical Generative Logic in Multimodal Anomaly Detection via Hierarchical Modulation25 Dec 2025
- 2025AnyAD: Unified Any-Modality Anomaly Detection in Incomplete Multi-Sequence MRI24 Dec 2025
- 2025Unsupervised Multi-View Visual Anomaly Detection via Progressive Homography-Guided Alignment24 Nov 2025
- 2025CAVE: Detecting and Explaining Commonsense Anomalies in Visual Environments29 Oct 2025
- 2025Normality Calibration in Semi-supervised Graph Anomaly Detection2 Oct 2025
- 2025ResAD++: Towards Class Agnostic Anomaly Detection via Residual Feature Learning28 Sep 2025
- 2025MCL-AD: Multimodal Collaboration Learning for Zero-Shot 3D Anomaly Detection12 Sep 2025
- 2025Toward Long-Tailed Online Anomaly Detection through Class-Agnostic Concepts22 Jul 2025
- 2025A Comprehensive Survey for Real-World Industrial Defect Detection: Challenges, Approaches, and Prospects15 Jul 2025
- 2025Bridge Feature Matching and Cross-Modal Alignment with Mutual-filtering for Zero-shot Anomaly Detection15 Jul 2025
- 2025Quantitative Benchmarking of Anomaly Detection Methods in Digital Pathology24 Jun 2025
- 2025IQE-CLIP: Instance-aware Query Embedding for Zero-/Few-shot Anomaly Detection in Medical Domain12 Jun 2025
- 2025INP-Former++: Advancing Universal Anomaly Detection via Intrinsic Normal Prototypes and Residual Learning4 Jun 2025
- 2025Bridging 3D Anomaly Localization and Repair via High-Quality Continuous Geometric Representation30 May 2025
- 2025RoBiS: Robust Binary Segmentation for High-Resolution Industrial Images27 May 2025
- 2025CostFilter-AD: Enhancing Anomaly Detection through Matching Cost Filtering2 May 2025
- 2025Real-IAD D3: A Real-World 2D/Pseudo-3D/3D Dataset for Industrial Anomaly Detection19 Apr 2025
- 2025TailedCore: Few-Shot Sampling for Unsupervised Long-Tail Noisy Anomaly Detection3 Apr 2025
- 2025Beyond Academic Benchmarks: Critical Analysis and Best Practices for Visual Industrial Anomaly Detection30 Mar 2025
- 2025Multi-View Industrial Anomaly Detection with Epipolar Constrained Cross-View Fusion14 Mar 2025
- 2025Towards Visual Discrimination and Reasoning of Real-World Physical Dynamics: Physics-Grounded Anomaly Detection5 Mar 2025
- 2025Exploring Intrinsic Normal Prototypes within a Single Image for Universal Anomaly Detection4 Mar 2025
- 2025A Survey on Industrial Anomaly Synthesis23 Feb 2025
- 2025Can Multimodal Large Language Models be Guided to Improve Industrial Anomaly Detection?27 Jan 2025
- 2024Multi-Sensor Object Anomaly Detection: Unifying Appearance, Geometry, and Internal Properties19 Dec 2024
- 2024BadSAD: Clean-Label Backdoor Attacks against Deep Semi-Supervised Anomaly Detection17 Dec 2024
- 2024ROADS: Robust Prompt-driven Multi-Class Anomaly Detection under Domain Shift25 Nov 2024
- 2024ResAD: A Simple Framework for Class Generalizable Anomaly Detection26 Oct 2024
- 2024Fine-grained Abnormality Prompt Learning for Zero-shot Anomaly Detection14 Oct 2024
- 2024On The Relationship between Visual Anomaly-free and Anomalous Representations9 Oct 2024
- 2024PointAD: Comprehending 3D Anomalies from Points and Pixels for Zero-shot 3D Anomaly Detection1 Oct 2024
- 2024Towards Zero-shot Point Cloud Anomaly Detection: A Multi-View Projection Framework20 Sep 2024
50 newest of 69 All 69 (JSON)
- 2024Generalized Out-of-Distribution Detection and Beyond in Vision Language Model Era: A Surveycited by 36
- 2025Can Multimodal Large Language Models be Guided to Improve Industrial Anomaly Detection?cited by 17
- 2025IQE-CLIP: Instance-aware Query Embedding for Zero-/Few-shot Anomaly Detection in Medical Domaincited by 1
- 2026AnomalyAgent: Training-Free Agentic Models for Zero-/Few-Shot Anomaly Detectioncited by 1
- 2026AnomalyAgent: Training-Free Agentic Models for Zero-/Few-Shot Anomaly Detection28 May 2026
- 2025IQE-CLIP: Instance-aware Query Embedding for Zero-/Few-shot Anomaly Detection in Medical Domain12 Jun 2025
- 2025Can Multimodal Large Language Models be Guided to Improve Industrial Anomaly Detection?27 Jan 2025
- 2024Generalized Out-of-Distribution Detection and Beyond in Vision Language Model Era: A Survey31 Jul 2024
- 2026RAID: Retrieval-Augmented Anomaly Detectioncited by 2
- 2026RAID: Retrieval-Augmented Anomaly Detection23 Feb 2026
- 2024Real-IAD: A Real-World Multi-View Dataset for Benchmarking Versatile Industrial Anomaly Detectioncited by 138
- 2024AdaCLIP: Adapting CLIP with Hybrid Learnable Prompts for Zero-Shot Anomaly Detectioncited by 126
- 2024Toward Generalist Anomaly Detection via In-context Residual Learning with Few-shot Sample Promptscited by 88
- 2025Exploring Intrinsic Normal Prototypes within a Single Image for Universal Anomaly Detectioncited by 47
- 2024PointAD: Comprehending 3D Anomalies from Points and Pixels for Zero-shot 3D Anomaly Detectioncited by 29
- 2024Multi-Sensor Object Anomaly Detection: Unifying Appearance, Geometry, and Internal Propertiescited by 26
- 2024MemoryMamba: Memory-Augmented State Space Model for Defect Recognitioncited by 24
- 2024M3DM-NR: RGB-3D Noisy-Resistant Industrial Anomaly Detection via Multimodal Denoisingcited by 24
- 2024ResAD: A Simple Framework for Class Generalizable Anomaly Detectioncited by 24
- 2024Unseen Visual Anomaly Generationcited by 23
- 2024Generative Semi-supervised Graph Anomaly Detectioncited by 22
- 2024Fine-grained Abnormality Prompt Learning for Zero-shot Anomaly Detectioncited by 22
12 most cited of 58 All 58 (JSON)
- 2026Fine-Grained Anomaly Perception in Wild UGC-Enhanced Images: A Comprehensive Dataset and Difference-Fusion Framework2 Sep 2026
- 2026Robust Zero-shot Anomaly Detection under Limited Auxiliary Anomaly Priors28 Jun 2026
- 2026Anomaly Factory 3D: A Modular Framework for Diverse Pseudo-Anomaly Synthesis in Unsupervised 3D Anomaly Detection28 Jun 2026
- 2026Learning Topology-Aware Representations via Test-Time Adaptation for Anomaly Segmentation26 Jun 2026
- 2026CoGeoAD: Hierarchical Color-Geometric Fusion with Multi-View Attention for Zero-Shot 3D Anomaly Detection24 Jun 2026
- 2026HiMatch-AD: DINOv3-driven Hierarchical Matching for Training-free Medical Anomaly Detection21 Jun 2026
- 2026Beyond Normal References: Discriminative Few-Shot Anomaly Detection22 May 2026
- 2026GroundingAnomaly: Spatially-Grounded Diffusion for Few-Shot Anomaly Synthesis9 Apr 2026
- 2026SGANet: Semantic and Geometric Alignment for Multimodal Multi-view Anomaly Detection7 Apr 2026
- 2026InCTRLv2: Generalist Residual Models for Few-Shot Anomaly Detection and Segmentation6 Apr 2026
- 2026MAU-GPT: Enhancing Multi-type Industrial Anomaly Understanding via Anomaly-aware and Generalist Experts Adaptation31 Jan 2026
- 2026Multi-Cue Anomaly Detection and Localization under Data Contamination30 Jan 2026
12 newest of 58 All 58 (JSON)