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Bootstrapping the Performance of Webly Supervised Semantic Segmentation

CVPR 2018 · Detection and segmentation › Weakly supervised detection and segmentation · approach: Weakly supervised semantic segmentation · 70 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
add web-domain training with Web-SEC to the target-domain Initial-SEC (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 49.3 -> 52.6Helped
add Grabcut refinement to the web-domain masks (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 52.6 -> 55.7Helped
train Web-FCN on the refined web masks (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 55.7 -> 56.6Helped
add post-processing with multi-scale inference and dense-CRF (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 58.8Helped
reduce the filtered web image set from 76.7k to 58.1k (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 56.4No clear effect
reduce the filtered web image set to 39.1k (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 56.3No clear effect
reduce the filtered web image set to 20.0k (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 56.4No clear effect
reduce the filtered web image set to 10.0k (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 56.4No clear effect
reduce the filtered web image set to 6k (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 55.7No clear effect
reduce the filtered web image set to 2k (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 55.3Hurt
remove web-image filtering (ablation)Bootstrapping webly supervised segmentation · PASCAL VOC 2012 valIoU: 56.6 -> 49.8Hurt

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