Research map / Detection and segmentation / Weakly supervised detection and segmentation
Learning Integral Objects With Intra-Class Discriminator for Weakly-Supervised Semantic Segmentation
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Use intra-class foreground/background discrimination with ICD instead of CAM-only seeds | Image-level WSSS on VOC 2012 · VOC 2012 val | mIoU: 58.4 -> 61.2 | Helped |
| Add external saliency estimates for background seeds | ICD with ResNet101 · VOC 2012 test | mIoU: 64.3 -> 68.0 | Helped |
| Add superpixel refinement (ablation) | Bottom-up ICD seed estimation · VOC 2012 training seeds | mIoU: 49.9 -> 54.0 | Helped |
| Add top-down adaptation (ablation) | Bottom-up ICD with superpixel refinement · VOC 2012 training seeds | mIoU: 54.0 -> 59.9 | Helped |
| Add CRF post-processing (ablation) | ICD seeds with top-down adaptation · VOC 2012 training seeds | mIoU: 59.9 -> 62.2 | Helped |
| Replace Lbu with Labs (ablation) | ICD estimation · VOC 2012 training seeds | mIoU: 62.2 -> 58.3 | Hurt |
| Replace Lbu with Lsig (ablation) | ICD estimation · VOC 2012 training seeds | mIoU: 62.2 -> 52.9 | Hurt |
| Use Conv4 rather than Conv5 features for bottom-up estimation (ablation) | ICD · VOC 2012 training seeds | mIoU: 49.9 -> 43.8 | Hurt |
| Use Fc6 rather than Conv5 features for bottom-up estimation (ablation) | ICD · VOC 2012 training seeds | mIoU: 49.9 -> 40.0 | Hurt |
| Use concatenated features rather than Conv5 features for bottom-up estimation (ablation) | ICD · VOC 2012 training seeds | mIoU: 49.9 -> 41.3 | Hurt |
| Use top-down adaptation directly on Conv5 features (ablation) | ICD · VOC 2012 training seeds | mIoU: 59.9 -> 50.4 | Hurt |
| Share top-down adaptation parameters with the CAM branch (ablation) | ICD · VOC 2012 training seeds | mIoU: 59.9 -> 59.2 | Hurt |
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