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Generic Perceptual Loss for Modeling Structured Output Dependencies

CVPR 2021 · Detection and segmentation › CNN features · approach: Local features and context in CNNs · 48 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Add generic perceptual lossDeepLabV3+ with ResNet50 · Cityscapes, ADE20K, and Pascal VOCmIoU: 80.09 % -> 80.70%; 42.72% -> 42.95%; 75.93% -> 76.79%Helped
Add generic perceptual lossWCE depth estimator with ResNet50 · NYUDV2Rel. (%): 14.5 -> 14.0Helped
Add generic perceptual loss on top of WCE + VNLResNet50 depth estimator · NYUDV2Rel. (%): 13.6 -> 13.2Helped
Add generic perceptual lossCondInst with ResNet50 · MS COCOBox AP: 36.91 -> 37.44Helped
Add generic perceptual lossCondInst with ResNet50 · MS COCOMask AP: 33.42 -> 33.69Helped
Use pretrained VGG19 weights instead of random weights (ablation)Perceptual loss for PSPNet ResNet18 · Cityscapes valmIoU: 71.25 -> 71.19No clear effect
Use VGG19 rather than VGG11 as the perceptual network (ablation)Perceptual loss for PSPNet ResNet18 · Cityscapes valmIoU: 70.18 ± 0.11 -> 71.25 ± 0.04Helped
Increase the perceptual-network kernel size from 1 to 7 (ablation)Five-layer perceptual network · Cityscapes valmIoU: 70.71 ± 0.020 -> 71.16 ± 0.122Helped
Add five equally weighted block-level losses instead of only the final-layer loss (ablation)Perceptual loss for PSPNet ResNet18 · Cityscapes valmIoU: 70.88% -> 70.73%Hurt
Use weighted multi-level losses instead of only the final-layer loss (ablation)Perceptual loss for PSPNet ResNet18 · Cityscapes valmIoU: 70.88% -> 70.93%Helped
Use the proposed initialization rather than Xavier-normal (ablation)Perceptual loss network · Cityscapes valmIoU: 69.8 -> 71.3Helped
Use Gaussian initialization with standard deviation 1 (ablation)Perceptual loss network · Cityscapes valmIoUHurt

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