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Anomaly Segmentation on MVTec AD

0.9906AUROC (Pixelwise)PNI (w/ refine)
0.8235760.8669380.91030.953662Jun 15, 2021Apr 17, 2022Feb 17, 2023Dec 20, 2023Oct 21, 2024Aug 23, 2025Jun 26, 2026

Evaluation results

MethodLinks
PNI (w/ refine)Backbone=WRN-101 & RNext-101 & DenseN-201, Image size=480×4802023.050.9906—————————————————————————————————
MIRAGECategory=Carpet, Architecture=U-Net2026.030.99——————————————————————————82——————
MIRAGECategory=Hazelnut, Architecture=U-Net2026.030.99——————————————————————————92——————
GLASSCategory=Leather, Architecture=U-Net2026.030.99——————————————————————————99——————
GLASSCategory=Tile, Architecture=U-Net2026.030.99——————————————————————————100——————
ReConPatchBackbone=WRN-101 & RNext-101 & DenseN-201, Image size=480×4802023.050.9867—————————————————————————————————
THRBackbone=Dinomaly, TTT Method=THR [52]2026.060.984—————————————————————————33.5——46.40.9480.9960.5320.686
TTT4ASBackbone=Dinomaly, TTT Method=TTT4AS [78]2026.060.984—————————————————————————29.1——41.90.9480.9960.4580.645
TopoTTABackbone=Dinomaly, TTT Method=TopoTTA2026.060.984—————————————————————————41.1——550.9480.9960.5830.736
ReConPatchBackbone=WRN-101 & RNext-101 & DenseN-201, Image size=320×3202023.050.9836—————————————————————————————————
PatchCoreBackbone=WRN-101 & RNext-101 & DenseN-201, Image size=320×3202023.050.982—————————————————————————————————
PatchCoreCoreset subsampling rate=25%2021.060.981————0.019————————————————————————————
PatchCoreCoreset subsampling rate=10%2021.060.981————0.019————————————————————————————
THRBackbone=PatchCore, TTT Method=THR [93]2026.060.981—————————————————————————29.9——13.60.9340.9910.3510.307
TTT4ASBackbone=PatchCore, TTT Method=TTT4AS [78]2026.060.981—————————————————————————29.3——38.20.9340.9910.3880.648
TopoTTABackbone=PatchCore, TTT Method=TopoTTA2026.060.981—————————————————————————42.5——55.30.9340.9910.5080.851
PatchCoreCoreset subsampling rate=1%2021.060.98————0.02————————————————————————————
GLASSCategory=Carpet, Architecture=U-Net2026.030.98——————————————————————————56——————
GLASSCategory=Grid, Architecture=U-Net2026.030.98——————————————————————————93——————
MIRAGECategory=Tile, Architecture=U-Net2026.030.98——————————————————————————93——————
PaDiM2021.060.975————0.025————————————————————————————
THRBackbone=PaDiM, TTT Method=THR [38]2026.060.975—————————————————————————29.7——35.40.9210.9790.3870.507
TTT4ASBackbone=PaDiM, TTT Method=TTT4AS [78]2026.060.975—————————————————————————27.4——31.80.9210.9790.330.58
TopoTTABackbone=PaDiM, TTT Method=TopoTTA2026.060.975—————————————————————————31.7——42.50.9210.9790.4520.739
AnomAnyCategory=Leather, Architecture=U-Net2026.030.97——————————————————————————86——————
RealNetCategory=Pill, Architecture=U-Net2026.030.97——————————————————————————94——————
VMADSetting=Zero-shot, Evaluation=Cross-dataset2024.090.961—————————————————————————————91.2———
SPADE2021.060.96————0.04————————————————————————————
AnomAnyCategory=Hazelnut, Architecture=U-Net2026.030.96——————————————————————————81——————
MIRAGECategory=Leather, Architecture=U-Net2026.030.96——————————————————————————93——————
RealNetCategory=Leather, Architecture=U-Net2026.030.96——————————————————————————98——————
MIRAGECategory=Metal Nut, Architecture=U-Net2026.030.96——————————————————————————96——————
MIRAGECategory=Toothbrush, Architecture=U-Net2026.030.96——————————————————————————87——————
PatchSVDD2021.060.957————0.043————————————————————————————
MIRAGECategory=Screw, Architecture=U-Net2026.030.95——————————————————————————96——————
RealNetCategory=Tile, Architecture=U-Net2026.030.95——————————————————————————98——————
GLASSCategory=Zipper, Architecture=U-Net2026.030.95——————————————————————————88——————
AnomalyClipSetting=Zero-shot, Evaluation=Cross-dataset2024.090.947—————————————————————————————86.2———
KAnoCLIPBackbone=ViT-L/14@336px, Setting=Zero-shot2025.010.943—————————————————————————————————
GLASSCategory=Screw, Architecture=U-Net2026.030.94——————————————————————————10——————
AnomAnyCategory=Tile, Architecture=U-Net2026.030.94——————————————————————————87——————
AnomalyGPTSetting=Zero-shot, Evaluation=Cross-dataset2024.090.939—————————————————————————————86.2———
WinClipSetting=Zero-shot, Evaluation=Cross-dataset2024.090.934—————————————————————————————89.5———
MRAD-CLIPTraining setting=Training-based2026.010.93——0.868——————————————————————————————
MIRAGECategory=Capsule, Architecture=U-Net2026.030.93——————————————————————————45——————
GLASSCategory=Pill, Architecture=U-Net2026.030.93——————————————————————————85——————
VANDSetting=Zero-shot, Evaluation=Cross-dataset2024.090.925—————————————————————————————88.2———
MyriadSetting=Zero-shot, Evaluation=Cross-dataset2024.090.923—————————————————————————————87.9———
MRAD-FTTraining setting=Training-based2026.010.922——0.854——————————————————————————————
MIRAGECategory=Bottle, Architecture=U-Net2026.030.92——————————————————————————93——————
GLASSCategory=Hazelnut, Architecture=U-Net2026.030.92——————————————————————————73——————
MIRAGECategory=Mean, Architecture=U-Net2026.030.92——————————————————————————81——————
Bayes-PFLZero-shot=true, GPU cost (GB)=3.3, Time (ms)=388.52025.030.918———————————————————————48.3—————————
LISASetting=Zero-shot, Evaluation=Cross-dataset2024.090.916—————————————————————————————82.2———
BGADSetting=Zero-shot, Evaluation=Cross-dataset2024.090.913—————————————————————————————87.3———
AnomalyCLIPVenue=ICLR 2024, Setting=Zero-shot2025.010.911—————————————————————————————————
AnomalyCLIPZero-shot=true, GPU cost (GB)=2.7, Time (ms)=131.22025.030.911———————————————————————34.5—————————
AnomalyCLIPTraining setting=Training-based2026.010.911——0.814——————————————————————————————
RealNetCategory=Bottle, Architecture=U-Net2026.030.91——————————————————————————92——————
RealNetCategory=Screw, Architecture=U-Net2026.030.91——————————————————————————95——————
GLASSCategory=Wood, Architecture=U-Net2026.030.91——————————————————————————93——————
FAPromptTraining setting=Training-based2026.010.906——0.833——————————————————————————————
AnomAnyCategory=Carpet, Architecture=U-Net2026.030.9——————————————————————————39——————
MIRAGECategory=Grid, Architecture=U-Net2026.030.9——————————————————————————54——————
RealNetCategory=Hazelnut, Architecture=U-Net2026.030.9——————————————————————————83——————
CLIP-ADZero-shot=true, GPU cost (GB)=3.4, Time (ms)=115.22025.030.898———————————————————————40—————————
MVFA-ADVenue=CVPR 2024, Setting=Zero-shot2025.010.893—————————————————————————————————
CAVGA-RW2021.060.89————0.11————————————————————————————
AnomAnyCategory=Capsule, Architecture=U-Net2026.030.89——————————————————————————57——————
MIRAGECategory=Pill, Architecture=U-Net2026.030.89——————————————————————————85——————
AnomAnyCategory=Screw, Architecture=U-Net2026.030.89——————————————————————————10——————
MIRAGECategory=Zipper, Architecture=U-Net2026.030.89——————————————————————————47——————
GLASSCategory=Mean, Architecture=U-Net2026.030.89——————————————————————————76——————
gamma-VAE + grad.2021.060.888————0.112————————————————————————————
RealNetCategory=Capsule, Architecture=U-Net2026.030.88——————————————————————————49——————
RealNetCategory=Wood, Architecture=U-Net2026.030.88——————————————————————————98——————
April-GANVenue=CVPR 2023, Setting=Zero-shot2025.010.876—————————————————————————————————
APRIL-GANZero-shot=true, GPU cost (GB)=3.3, Time (ms)=105.02025.030.876———————————————————————40.8—————————
AE_SSIM2021.060.87————0.13————————————————————————————
GLASSCategory=Capsule, Architecture=U-Net2026.030.87——————————————————————————43——————
AnomAnyCategory=Pill, Architecture=U-Net2026.030.87——————————————————————————85——————
GLASSCategory=Toothbrush, Architecture=U-Net2026.030.87——————————————————————————79——————
AdaCLIPZero-shot=true, GPU cost (GB)=3.3, Time (ms)=183.42025.030.868———————————————————————38.1—————————
AdaCLIPTraining setting=Training-based2026.010.868——0.338——————————————————————————————
MRAD-TFTraining setting=Train-free2026.010.867——0.635——————————————————————————————
MIRAGECategory=Cable, Architecture=U-Net2026.030.86——————————————————————————71——————
RealNetCategory=Carpet, Architecture=U-Net2026.030.86——————————————————————————45——————
MIRAGECategory=Wood, Architecture=U-Net2026.030.86——————————————————————————95——————
AnomAnyCategory=Wood, Architecture=U-Net2026.030.86——————————————————————————95——————
RealNetCategory=Zipper, Architecture=U-Net2026.030.86——————————————————————————99——————
WinCLIPVenue=CVPR 2023, Setting=Zero-shot2025.010.851—————————————————————————————————
WinCLIPZero-shot=true, GPU cost (GB)=2.0, Time (ms)=840.02025.030.851———————————————————————18—————————
WinCLIPTraining setting=Train-free2026.010.851——0.646——————————————————————————————
AnomAnyCategory=Bottle, Architecture=U-Net2026.030.85——————————————————————————78——————
RealNetCategory=Toothbrush, Architecture=U-Net2026.030.85——————————————————————————58——————
AnomAnyCategory=Toothbrush, Architecture=U-Net2026.030.85——————————————————————————65——————
AnomAnyCategory=Mean, Architecture=U-Net2026.030.85——————————————————————————65——————
AnomAnyCategory=Zipper, Architecture=U-Net2026.030.84——————————————————————————71——————
RealNetCategory=Mean, Architecture=U-Net2026.030.84——————————————————————————78——————
GLASSCategory=Bottle, Architecture=U-Net2026.030.83——————————————————————————91——————