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Whitening and Coloring Batch Transform for GANs

ICLR 2019 · Label-efficient and robust learning › Recognition and long-tail · approach: Data augmentation and generalization bias · 15 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Replace generator BN with WCSN GAN generators · CIFAR-10 and STL-10IS: CIFAR-10: 7.58 ± .12 -> 7.84 ± .10; 8.22 ± .05 -> 8.66 ± .11; STL-10: 8.79 ± .14 -> 9.45 ± 0.18; 9.10 ± .04 -> 9.93 ± .1Helped
Replace generator BN with WCGP + ResNet · CIFAR-10IS: 7.86 ± .07 -> 8.20 ± .08Helped
Replace generator cBN with cWCSN + Projection Discriminator · CIFAR-10 and CIFAR-100IS: CIFAR-10: 8.62 -> 8.97 ± .11; CIFAR-100: 9.04 -> 9.52 ± .07Helped
Use class-filter soft assignmentcWC generator · Tiny ImageNetIS: 10.43 ± .13 -> 11.78 ± .25Helped
Use class-filter soft assignment instead of full per-class filterscWC generator · CIFAR-10IS: 8.97 ± .11 -> 8.85 ± .10Mixed
Add coloring after whitening (ablation)WC generator · CIFAR-10IS: 6.63 ± .07 -> 8.66 ± .11Helped
Use full-matrix coloring instead of diagonal coloring (ablation)WC generator · CIFAR-10IS: 7.00 ± .09 -> 8.66 ± .11Helped
Add whitening before coloring rather than coloring unnormalized features (ablation)WC generator · CIFAR-10IS: 7.86 ± .08 -> 8.66 ± .11Helped
Use whitening rather than standardization before coloring (ablation)WC generator · CIFAR-10IS: 8.34 ± .08 -> 8.66 ± .11Helped
Use Cholesky whitening rather than ZCA whitening (ablation)WC generator · CIFAR-10IS: 8.29 ± .08 -> 8.66 ± .11Helped
Add the class-agnostic coloring branch (ablation)cWC generator · CIFAR-100IS: 7.10 ± .06 -> 9.52 ± .07Helped
Use full-matrix class-specific coloring instead of diagonal matrices (ablation)cWC generator · CIFAR-100IS: 8.82 ± .12 -> 9.52 ± .07Helped

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