Learning Invariant Visual Representations for Compositional Zero-Shot Learning

• URL: http://arxiv.org/abs/2206.00415v2
• Date: Thu, 2 Jun 2022 08:34:22 GMT
• Title: Learning Invariant Visual Representations for Compositional Zero-Shot Learning
• Authors: Tian Zhang, Kongming Liang, Ruoyi Du, Xian Sun, Zhanyu Ma, Jun Guo
• Abstract summary: Compositional Zero-Shot Learning (CZSL) aims to recognize novel compositions using knowledge learned from seen-object compositions in the training set. We propose an invariant feature learning framework to align different domains at the representation and gradient levels. Experiments on two CZSL benchmarks demonstrate that the proposed method significantly outperforms the previous state-of-the-art.
• Score: 30.472541551048508
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Compositional Zero-Shot Learning (CZSL) aims to recognize novel compositions using knowledge learned from seen attribute-object compositions in the training set. Previous works mainly project an image and a composition into a common embedding space to measure their compatibility score. However, both attributes and objects share the visual representations learned above, leading the model to exploit spurious correlations and bias towards seen pairs. Instead, we reconsider CZSL as an out-of-distribution generalization problem. If an object is treated as a domain, we can learn object-invariant features to recognize the attributes attached to any object reliably. Similarly, attribute-invariant features can also be learned when recognizing the objects with attributes as domains. Specifically, we propose an invariant feature learning framework to align different domains at the representation and gradient levels to capture the intrinsic characteristics associated with the tasks. Experiments on two CZSL benchmarks demonstrate that the proposed method significantly outperforms the previous state-of-the-art.

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