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CenterMask: Real-Time Anchor-Free Instance Segmentation
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Measured effects reported in the paper
| What was changed | Where | Measured | Effect |
|---|---|---|---|
| Add SAG-Mask to FCOS (ablation) | FCOS with ResNet-50 · COCO val2017 | APmask: 33.4 -> 34.0 | Helped |
| Add a naive mask head (ablation) | FCOS with ResNet-50 · COCO val2017 | APbox: 37.8 -> 38.3 | Helped |
| Use scale-adaptive RoI assignment instead of the standard assignment (ablation) | CenterMask · COCO val2017 | APmask: +0.4% APmask | Helped |
| Add mask scoring (ablation) | SAG-Mask · COCO val2017 | APmask: +0.7% APmask | Helped |
| Add mask scoring (ablation) | SAG-Mask · COCO val2017 | APbox: 38.9 -> 38.8 | No clear effect |
| Restrict mask RoI features to P3–P5 rather than P3–P7 (ablation) | CenterMask · COCO val2017 | APmask: 34.4 -> 34.6 | Helped |
| Add residual connections to OSA modules (ablation) | VoVNetV1-39/57/99 · COCO val2017 | APmask: 35.3 -> 35.5; 36.1 -> 36.4; 31.5 -> 37.6 | Helped |
| Replace SE with eSE (ablation) | VoVNetV1-39 · COCO val2017 | APmask: 34.6 -> 35.6 | Helped |
| Replace SE with eSE (ablation) | VoVNetV1-57 · COCO val2017 | APmask: 35.9 -> 36.6 | Helped |
| Replace SE with eSE (ablation) | VoVNetV1-99 · COCO val2017 | APmask: 37.1 -> 38.3 | Helped |
| Use SE with channel reduction (ablation) | VoVNetV1-39 · COCO val2017 | APmask: 35.3 -> 34.6 | Hurt |
| Use CenterMask with ResNet-101-FPN instead of RetinaMask | COCO test-dev2017 · COCO test-dev2017 | APmask: 34.7 -> 38.3 | Helped |
Closest papers by meaning
- CenterMask: Single Shot Instance Segmentation With Point Representation (CVPR 2020 · similarity 0.91)
- BlendMask: Top-Down Meets Bottom-Up for Instance Segmentation (CVPR 2020 · similarity 0.88)
- PolarMask: Single Shot Instance Segmentation With Polar Representation (CVPR 2020 · similarity 0.88)
- DynaMask: Dynamic Mask Selection for Instance Segmentation (CVPR 2023 · similarity 0.86)
- FAPIS: A Few-Shot Anchor-Free Part-Based Instance Segmenter (CVPR 2021 · similarity 0.86)
- Sparse Instance Activation for Real-Time Instance Segmentation (CVPR 2022 · similarity 0.86)
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