Contamination Map Methodology

Vision / Model

APRIL-GAN (VAND 2023), trained on VisA

Organisation
Zhejiang University et al. (Xuhai Chen, Yue Han, Jiangning Zhang)
Family
APRIL-GAN · version visa_pretrained.pth
Released
2023-05-27 (arXiv v1 submission date (https://arxiv.org/abs/2305.17382))
Checkpoints
exps/pretrained/visa_pretrained.pth
Weights
Open · MIT
Links
PaperCode

Training data disclosure: Full list

Level determined for 12% of benchmark cells.

“For the zero-shot setting, when testing on the MVTec AD, we trained the linear layers using the test set of VisA.”
arxiv.org · paper · Section 3.1 · retrieved 2026-10-15
“where `mvtec_pretrained.pth` represents the model trained on the MVTec AD dataset and `visa_pretrained.pth` represents the model trained on the VisA dataset.”
raw.githubusercontent.com · readme · Test / Pretrained Models · retrieved 2026-10-15

Built on

Everything these base models may have seen is inherited by APRIL-GAN (VAND 2023), trained on VisA.

Other declared training data

Benchmark cells

Industrial anomaly detection

Unknown MVTec AD · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Unknown MVTec AD 2 · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Unknown MVTec LOCO AD · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Test data seen VisA · in fine-tuning data: its test split was used for training

Evidence (1)
“For the zero-shot setting, when testing on the MVTec AD, we trained the linear layers using the test set of VisA.”
arxiv.org · paper · Section 3.1 · retrieved 2026-10-15

Unknown Real-IAD · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Unknown MPDD · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Unknown BTAD · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Unknown KolektorSDD2 · unknown for its base model OpenAI CLIP: training data not disclosed in enough detail

Notes

Same architecture as april-gan-mvtec; trained on the VisA test set (15 epochs) and used for zero-/few-shot results on MVTec AD (test_zero_shot.sh pairs visa_pretrained.pth with --dataset mvtec).

Sources