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The MVTec 3D-AD Dataset for Unsupervised 3D Anomaly Detection and Localization

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arxiv 2112.09045 v1 pith:QK73LTEN submitted 2021-12-16 cs.CV

classification cs.CV
keywords anomalydatasetdefectsdetectionobjectanomaly-freecategoriesdata
verification ladder T0 review T1 audit T2 compute T3 formal
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We introduce the first comprehensive 3D dataset for the task of unsupervised anomaly detection and localization. It is inspired by real-world visual inspection scenarios in which a model has to detect various types of defects on manufactured products, even if it is trained only on anomaly-free data. There are defects that manifest themselves as anomalies in the geometric structure of an object. These cause significant deviations in a 3D representation of the data. We employed a high-resolution industrial 3D sensor to acquire depth scans of 10 different object categories. For all object categories, we present a training and validation set, each of which solely consists of scans of anomaly-free samples. The corresponding test sets contain samples showing various defects such as scratches, dents, holes, contaminations, or deformations. Precise ground-truth annotations are provided for every anomalous test sample. An initial benchmark of 3D anomaly detection methods on our dataset indicates a considerable room for improvement.

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Cited by 12 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. CL-Anomaly: Layer-Adaptive Mixture-of-Experts with Multimodal Large Language Model for Continual Learning in Anomaly Detection

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    A private-plus-shared LoRA MoE with layer-adaptive momentum transfer enables continual anomaly detection on MLLMs and beats prior continual-learning baselines across class, domain, and modality shifts.

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    Adaptive multi-scale patch codebooks fused with point features via RoPE cross-attention improve 3D shape anomaly detection, especially for large structural industrial defects.

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  4. DictAS: A Framework for Class-Generalizable Few-Shot Anomaly Segmentation via Dictionary Lookup

    cs.CV 2025-08 unverdicted novelty 6.0 of 10

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  5. Self-Navigated Residual Mamba for Universal Industrial Anomaly Detection

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    HyPCV-Former embeds point cloud video features in Lorentzian hyperbolic space and uses hyperbolic attention to improve video anomaly detection on two benchmarks.

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  8. A Synthetic 3D Gear Dataset for Manufacturing Quality Inspection (MFGNet-Gear)

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    A public synthetic 3D gear dataset with 24,000 point-cloud/mesh pairs across 12 designs and 4 quality classes, generated by a reproducible CAD-to-sampling pipeline.

  9. IAENet: An Importance-Aware Ensemble Model for 3D Point Cloud-Based Anomaly Detection

    cs.CV 2025-08 conditional novelty 5.0 of 10

    IAENet fuses 2D and 3D anomaly scores with a learned importance-aware weighting and a margin-based selector loss, achieving state-of-the-art point-level localization on MVTec 3D-AD.

  10. Generative Model-Based Feature Attention Module for Video Action Analysis

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    DictAS treats few-shot anomaly segmentation as a sparse dictionary lookup over frozen CLIP features and reports state-of-the-art scores on seven industrial and medical benchmarks.

  11. GCR: Geometry-Consistent Routing for Task-Agnostic Continual Anomaly Detection

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    GCR improves task-agnostic continual anomaly detection by routing in a shared frozen embedding space with geometry-consistent prototype matching, achieving near-zero forgetting on MVTec AD and VisA.

  12. 3DKeyAD: High-Resolution 3D Point Cloud Anomaly Detection via Keypoint-Guided Point Clustering

    cs.CV 2025-07 conditional novelty 4.0 of 10

    Keypoint-guided clustering with multi-prototype registration improves 3D point cloud anomaly detection on Real3D-AD, reaching 0.801 object-level and 0.861 point-level AUROC, though the margin over prior work is small ...

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