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LSTFE-Net:Long Short-Term Feature Enhancement Network for Video Small Object Detection

CVPR 2023 · Video › Video segmentation and tracking · approach: Weakly supervised video anomaly detection · 38 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use LSTFE-Net to combine selected long-term context with aligned short-term featuresVideo object detection with ResNet101 · ImageNet-VIDmAP: 82.9 -> 83.4Helped
Use LSTFE-Net instead of TransVODVideo small object detection with ResNet50 · FL-DronesAP: 36.9 -> 37.8Helped
Use LSTFE-Net instead of MEGAVideo small object detection with ResNet101 · FL-DronesAP: 42.4 -> 46.8Helped
Add one cascaded deformable convolution block for feature alignment (ablation)LSTFE-Net with ResNet101 · FL-DronesAP: 42.1 -> 45.4Helped
Increase alignment blocks from one to two (ablation)LSTFE-Net with ResNet101 · FL-DronesAP: 45.4 -> 39.4Hurt
Increase alignment blocks from one to three (ablation)LSTFE-Net with ResNet101 · FL-DronesAP: 45.4 -> 39.3Hurt
Select the long-term frame with lowest similarity to the current frame (ablation)LSTFE-Net with ResNet101, 1 sampled long-term frame · FL-DronesAP: 29.5 -> 29.9Helped
Select long-term frames by lowest similarity (ablation)LSTFE-Net with ResNet101, 2 sampled long-term frames · FL-DronesAP: 35.1 -> 35.9Helped
Select long-term frames by lowest similarity (ablation)LSTFE-Net with ResNet101, 3 sampled long-term frames · FL-DronesAP: 33.9 -> 34.8Helped
Select long-term frames by lowest similarity (ablation)LSTFE-Net with ResNet101, 4 sampled long-term frames · FL-DronesAP: 29.6 -> 30.7Helped
Replace concatenation with attention-based long short-term feature aggregation (ablation)LSTFE-Net with ResNet101 · FL-DronesAP: 39.9 -> 42.1Helped
Add location coding to short-term feature aggregation (ablation)LSTFE-Net with ResNet101 · FL-DronesAP: 41.2 -> 42.1Helped

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