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CVPR 2021 · Detection and segmentation › CNN features · approach: Region-based and query-based detectors · 792 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use a single-level C5 detector with Dilated Encoder and Uniform Matching instead of RetinaNet+'s feature pyramidYOLOF vs RetinaNet+ · COCO2017 valFPS: 13 -> 32Helped
Use YOLOF's single-level detector rather than DETRYOLOF and DETR, ResNet-50 · COCO2017 valAP: 42.0 -> 41.6Hurt
Use YOLOF's single-level detector rather than DETRYOLOF-R101 and DETR-R101 · COCO2017 valAP: 43.5 -> 43.7Helped
Use YOLOF-DC5 with the reported training and augmentation recipe rather than YOLOv4YOLOF-DC5 vs YOLOv4 · COCO test-devAP: 43.5 -> 44.3Helped
Add Dilated Encoder to the single-level detector (ablation)YOLOF · COCO2017 valAP: 21.1 -> 29.1Helped
Add Uniform Matching to the single-level detector (ablation)YOLOF · COCO2017 valAP: 21.1 -> 33.8Helped
Add both Dilated Encoder and Uniform Matching (ablation)YOLOF · COCO2017 valAP: 21.1 -> 37.7Helped
Increase the number of encoder residual blocks from 0 to 10 (ablation)YOLOF · COCO2017 valAP: 33.8 -> 36.9Helped
Use progressively varied dilation rates 2,4,6,8 rather than 1,1,1,1 (ablation)YOLOF · COCO2017 valAP: 35.5 -> 37.7Helped
Increase dilation rates further from 2,4,6,8 to 3,6,9,12 (ablation)YOLOF · COCO2017 valAP: 37.7 -> 37.3Hurt
Add residual shortcuts to the encoder blocks with dilation rates 2,4,6,8 (ablation)YOLOF · COCO2017 valAP: 34.1 -> 37.7Helped
Increase Uniform Matching from top1 to top4 anchors per ground-truth box (ablation)YOLOF · COCO2017 valAP: 35.9 -> 37.7Helped

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