Papers › GAN-Supervised Dense Visual Alignment

GAN-Supervised Dense Visual Alignment

9 Dec 2021CVPR 2022 1arXiv:2112.05143archive 2025-07-28

William Peebles, Jun-Yan Zhu, Richard Zhang, Antonio Torralba, Alexei A. Efros, Eli Shechtman

We propose GAN-Supervised Learning, a framework for learning discriminative models and their GAN-generated training data jointly end-to-end. We apply our framework to the dense visual alignment problem. Inspired by the classic Congealing method, our GANgealing algorithm trains a Spatial Transformer to map random samples from a GAN trained on unaligned data to a common, jointly-learned target mode. We show results on eight datasets, all of which demonstrate our method successfully aligns complex data and discovers dense correspondences. GANgealing significantly outperforms past self-supervised correspondence algorithms and performs on-par with (and sometimes exceeds) state-of-the-art supervised correspondence algorithms on several datasets -- without making use of any correspondence supervision or data augmentation and despite being trained exclusively on GAN-generated data. For precise correspondence, we improve upon state-of-the-art supervised methods by as much as 3×. We show applications of our method for augmented reality, image editing and automated pre-processing of image datasets for downstream GAN training.

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Data AugmentationDense Pixel Correspondence Estimation

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Methods

1x1 ConvolutionAverage PoolingBatch NormalizationBottleneck Residual BlockConvolutionGlobal Average PoolingKaiming InitializationMax PoolingPCAPath Length RegularizationR1 RegularizationReLUResidual BlockSpatial TransformerStyleGAN2Weight Demodulationk-Means Clustering

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