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Learning Integral Objects With Intra-Class Discriminator for Weakly-Supervised Semantic Segmentation

CVPR 2020 · Detection and segmentation › Weakly supervised detection and segmentation · approach: CAM refinement and prototypes · 219 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use intra-class foreground/background discrimination with ICD instead of CAM-only seedsImage-level WSSS on VOC 2012 · VOC 2012 valmIoU: 58.4 -> 61.2Helped
Add external saliency estimates for background seedsICD with ResNet101 · VOC 2012 testmIoU: 64.3 -> 68.0Helped
Add superpixel refinement (ablation)Bottom-up ICD seed estimation · VOC 2012 training seedsmIoU: 49.9 -> 54.0Helped
Add top-down adaptation (ablation)Bottom-up ICD with superpixel refinement · VOC 2012 training seedsmIoU: 54.0 -> 59.9Helped
Add CRF post-processing (ablation)ICD seeds with top-down adaptation · VOC 2012 training seedsmIoU: 59.9 -> 62.2Helped
Replace Lbu with Labs (ablation)ICD estimation · VOC 2012 training seedsmIoU: 62.2 -> 58.3Hurt
Replace Lbu with Lsig (ablation)ICD estimation · VOC 2012 training seedsmIoU: 62.2 -> 52.9Hurt
Use Conv4 rather than Conv5 features for bottom-up estimation (ablation)ICD · VOC 2012 training seedsmIoU: 49.9 -> 43.8Hurt
Use Fc6 rather than Conv5 features for bottom-up estimation (ablation)ICD · VOC 2012 training seedsmIoU: 49.9 -> 40.0Hurt
Use concatenated features rather than Conv5 features for bottom-up estimation (ablation)ICD · VOC 2012 training seedsmIoU: 49.9 -> 41.3Hurt
Use top-down adaptation directly on Conv5 features (ablation)ICD · VOC 2012 training seedsmIoU: 59.9 -> 50.4Hurt
Share top-down adaptation parameters with the CAM branch (ablation)ICD · VOC 2012 training seedsmIoU: 59.9 -> 59.2Hurt

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