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Progressive Random Convolutions for Single Domain Generalization

CVPR 2023 · Label-efficient and robust learning › Domain adaptation and generalization · approach: Augmentation and mixture-of-experts generalization · 57 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace single-layer RandConv with progressive small-kernel convolutions and a random convolution blockLeNet · Digits (MNIST source, target-domain average)accuracy (%): 74.84 -> 81.35Helped
Replace single-layer RandConv with progressive small-kernel convolutions and a random convolution blockResNet18 · PACS single DG (target-domain average)accuracy (%): 67.50 -> 68.88Helped
Replace single-layer RandConv with progressive small-kernel convolutions and a random convolution blockResNet18 · PACS multi DG (target-domain average)accuracy (%): 82.43 -> 84.29Helped
Replace single-layer RandConv with progressive small-kernel convolutions and a random convolution blockResNet50 · PACS multi DG (target-domain average)accuracy (%): 86.63 -> 88.27Helped
Use Pro-RandConv instead of RandConvDeepLabV3+ with ResNet50 · GTAV to Cityscapes, BDD-100K, SYNTHIA, Mapillary (average)mIoU (%): 30.80 -> 36.19Helped
Use the same random weights across progressive convolution layers rather than different weights (ablation)Progressive random convolutions · Digits SDGaccuracy (%): 74.72 -> 78.26Helped
Use the same random weights across progressive convolution layers rather than different weights (ablation)Progressive random convolutions · PACS single DGaccuracy (%): 66.47 -> 68.39Helped
Add Gaussian smoothing to the shared-weight progressive approach (ablation)Pro-RandConv · Digits SDGaccuracy (%): 78.26 -> 80.03Helped
Add contrast diversification to the progressive approach (ablation)Pro-RandConv · PACS single DGaccuracy (%): 67.89 -> 68.73Helped
Add deformable offsets to the progressive approach (ablation)Pro-RandConv · PACS single DGaccuracy (%): 67.89 -> 68.25Helped
Add deformable offsets to the full segmentation augmentation (ablation)Pro-RandConv segmentation · GTAV to Cityscapes, BDD-100K, SYNTHIA, Mapillary (average)mIoU (%): 36.64 -> 36.19Hurt
Train using only augmented images rather than original and augmented images (ablation)Pro-RandConv · PACS single DG (out-of-domain)accuracy (%): 68.88 -> 68.10No clear effect

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