thuml/Transfer-Learning-Library

Built on pure PyTorch with torchvision-consistent API design, the library provides modular implementations of domain alignment (adversarial, MMD-based), domain translation (CycleGAN variants), self-training, and model selection methods organized across seven functional categories. Supports diverse vision tasks including classification, object detection, semantic segmentation, keypoint detection, and person re-identification, with specialized learning setups for domain adaptation, task adaptation, out-of-distribution generalization, and semi-supervised learning scenarios.

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