Papers › Boosting Out-of-distribution Detection with Typical Features
Boosting Out-of-distribution Detection with Typical Features
Yao Zhu, Yuefeng Chen, Chuanlong Xie, Xiaodan Li, Rong Zhang, Hui Xue, Xiang Tian, Bolun Zheng, Yaowu Chen
Out-of-distribution (OOD) detection is a critical task for ensuring the reliability and safety of deep neural networks in real-world scenarios. Different from most previous OOD detection methods that focus on designing OOD scores or introducing diverse outlier examples to retrain the model, we delve into the obstacle factors in OOD detection from the perspective of typicality and regard the feature's high-probability region of the deep model as the feature's typical set. We propose to rectify the feature into its typical set and calculate the OOD score with the typical features to achieve reliable uncertainty estimation. The feature rectification can be conducted as a {plug-and-play} module with various OOD scores. We evaluate the superiority of our method on both the commonly used benchmark (CIFAR) and the more challenging high-resolution benchmark with large label space (ImageNet). Notably, our approach outperforms state-of-the-art methods by up to 5.11% in the average FPR95 on the ImageNet benchmark.
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Tasks
Results from the paper archive 2025-07-28
| Task | Dataset | Model | Metric | Value | Rank at snapshot | Leaderboard | Report |
|---|---|---|---|---|---|---|---|
| Out-of-Distribution Detection | ImageNet-1k vs Curated OODs (avg.) | BATS (ResNet-50) | AUROC | 94.28 | #6 of 16 | Archive leaderboard | report |
| Out-of-Distribution Detection | ImageNet-1k vs Curated OODs (avg.) | BATS (ResNet-50) | FPR95 | 27.11 | #6 of 16 | Archive leaderboard | report |
| Out-of-Distribution Detection | ImageNet-1k vs Places | BATS (ResNet-50) | AUROC | 91.83 | #4 of 25 | Archive leaderboard | report |
| Out-of-Distribution Detection | ImageNet-1k vs Places | BATS (ResNet-50) | FPR95 | 34.34 | #4 of 25 | Archive leaderboard | report |
| Out-of-Distribution Detection | ImageNet-1k vs Textures | BATS (ResNet-50) | AUROC | 92.27 | #14 of 34 | Archive leaderboard | report |
| Out-of-Distribution Detection | ImageNet-1k vs Textures | BATS (ResNet-50) | FPR95 | 38.9 | #14 of 34 | Archive leaderboard | report |
| Out-of-Distribution Detection | ImageNet-1k vs iNaturalist | BATS (ResNet-50) | AUROC | 97.67 | #10 of 28 | Archive leaderboard | report |
Ranks are positions in the archive's leaderboards as they stood at the 2025-07-28 snapshot. Results published since then are not among these rows, so a rank here is not a current standing.
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