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Weakly Supervised Semantic Segmentation Using Out-of-Distribution Data

CVPR 2022 · Detection and segmentation › Weakly supervised detection and segmentation · approach: CAM refinement and prototypes · 118 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add hard OoD training and metric learning to AdvCAMAdvCAM with ResNet-101 · Pascal VOC 2012 valmIoU: 67.5 -> 69.8Helped
Add hard OoD training and metric learning to AdvCAMAdvCAM with ResNet-101 · Pascal VOC 2012 testmIoU: 67.1 -> 69.9Helped
Add W-OoD to IRNIRN · Pascal VOC 2012 trainmIoU: 49.5 -> 53.3Helped
Add W-OoD to SEAMSEAM · Pascal VOC 2012 trainmIoU: 54.8 -> 55.9Helped
Add W-OoD to AdvCAMAdvCAM · Pascal VOC 2012 trainprecision: 66.8 -> 71.5Helped
Use classification loss to label hard OoD images as background (ablation)W-OoD classifier · Pascal VOC 2012 trainmIoU: 49.5 -> 50.0Helped
Add metric loss on hard OoD data (ablation)W-OoD classifier · Pascal VOC 2012 trainmIoU: 50.0 -> 50.2 -> 53.3Helped
Add metric loss on in-distribution data (ablation)W-OoD classifier · Pascal VOC 2012 trainmIoU: 52.3 -> 53.3Helped
Use predicted-class clustering instead of K-means for OoD samples (ablation)W-OoD · Pascal VOC 2012 trainmIoU: 52.1 vs 52.4No clear effect
Increase hard OoD image count from 0 to 20 (ablation)W-OoD · Pascal VOC 2012 valmIoU: 67.5 -> 68.1Helped
Increase hard OoD image count from 20 to 5190 (ablation)W-OoD · Pascal VOC 2012 valmIoU: 68.1 -> 69.8Helped
Use W-OoD rather than the baseline on dining table localizationW-OoD · Pascal VOC 2012 class-wise mIoUmIoUHurt

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