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Category Dictionary Guided Unsupervised Domain Adaptation for Object Detection

AAAI 2021 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Feature alignment for unsupervised adaptation · 37 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use CDG-UDA instead of HTCNFaster R-CNN with VGG16 · Cityscapes to Foggy CityscapesmAP: 39.8 -> 42.3Helped
use CDG-UDA instead of PDFaster R-CNN with ResNet101 · VOC to WatercolormAP: 56.9 -> 59.7Helped
use CDG-UDA instead of MTORcross-domain object detection · Sim10k to CityscapesmAP: 46.6 -> 48.8Helped
use category dictionary-guided pseudo-box annotation instead of softmax annotation (ablation)CDG self-training · VOC to WatercolormAP: 55.3 -> 58Helped
add CDG self-training to source-only training (ablation)VOC to Watercolor · VOC to WatercolormAP: 43.9 -> 58Helped
add a second CDG self-training stage (ablation)CDG self-training · VOC to WatercolormAP: 58 -> 59.3Helped
add residual-based weights to pseudo-box training losses (ablation)CDG self-training, stage 1 · VOC to WatercolormAP: 58 -> 58.5Helped
add residual-based weights to pseudo-box training losses (ablation)CDG self-training, stage 2 · VOC to WatercolormAP: 59.3 -> 59.7Helped
vary the residual-weight parameter s (ablation)CDG weighted self-training · VOC to WatercolormAP: 58.0, 58.1, 58.1, 58.3, 58.5, 58.3, 58.2Mixed
vary the source-target loss balance µ (ablation)CDG weighted self-training · VOC to WatercolormAP: 55.9, 57.0, 58.0, 55.9Mixed
vary the pseudo-label threshold θ (ablation)CDG-UDA · Sim10k to CityscapesmAP: 48.5, 48.8, 46.3, 45.7Mixed

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