Spatial Class Distribution Shift in Unsupervised Domain Adaptation: Local Alignment Comes to Rescue

Safa Cicek (UCLA)*, Ning Xu (Adobe Research), Zhaowen Wang (Adobe Research), Hailin Jin (Adobe Research), Stefano Soatto (UCLA)

Keywords: Statistical Methods and Learning

Abstract: We propose a method for semantic segmentation in unsupervised domain adaptation (UDA) setting. We particularly examine the domain gap between spatial-class distributions and propose to align the local distributions of the segmentation predictions. Despite its simplicity, the proposed method achieves state-of-the-art results in UDA segmentation benchmarks.

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