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MAMBA: Multi-level Aggregation via Memory Bank for Video Object Detection

AAAI 2021 · Detection and segmentation › CNN features · approach: Context for hard detection conditions · 60 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add MAMBA memory-bank enhancementRFCN with ResNet-101 · ImageNet VID validationmAP: 73.8 -> 80.8Helped
Add MAMBA memory-bank enhancementFasterRCNN with ResNet-101 · ImageNet VID validationmAP: 75.4 -> 84.6Helped
Add random crop and random scale training augmentationsMAMBA with FasterRCNN and ResNeXt-101 · ImageNet VID validationmAP: 85.4 -> 86.7Helped
Add instance-level memory enhancement (ablation)RFCN · ImageNet VID validationmAP: 73.8 -> 76.7Helped
Add instance-level memory enhancement (ablation)FasterRCNN · ImageNet VID validationmAP: 75.4 -> 83.7Helped
Add pixel-level memory enhancement (ablation)FasterRCNN · ImageNet VID validationmAP: 75.4 -> 81.8Helped
Add feature-wise instead of frame-wise memory updating (ablation)SELSA baseline · ImageNet VID validationmAP: 81.7 -> 82.4Helped
Add class-wise memory maintained across videos (ablation)Feature-wise updating model · ImageNet VID validationmAP: 82.4 -> 82.7Helped
Sample a subset of memory features instead of concatenating all features (ablation)Model (d), N_m=24k · ImageNet VID validationmAP: 82.7 -> 83.7Helped
Sample a subset of memory features instead of concatenating all features (ablation)Model (d), N_m=24k · ImageNet VID validationruntime: 142.9 -> 79.6Helped
Increase memory bank size while using sampled keys (ablation)MAMBA · ImageNet VID validation, N_m=24k to 96kmAP: 83.7 -> 83.8Helped
Reduce sampled key set from N_k=5k to N_k=50 (ablation)MAMBA instance-level-only model · ImageNet VID validationmAP: 83.8 -> 83.1Hurt

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