DRPT: Disentangled and Recurrent Prompt Tuning for Compositional Zero-Shot Learning

• URL: http://arxiv.org/abs/2305.01239v1
• Date: Tue, 2 May 2023 07:42:47 GMT
• Title: DRPT: Disentangled and Recurrent Prompt Tuning for Compositional Zero-Shot Learning
• Authors: Xiaocheng Lu, Ziming Liu, Song Guo, Jingcai Guo, Fushuo Huo, Sikai Bai and Tao Han
• Abstract summary: State and object primitives are deemed as learnable tokens of vocabulary embedded in prompts and tuned on seen compositions. We develop a progressive fine-tuning procedure that allows for incremental updates to the prompts. We quantify and analyze the entanglement in Compositional Zero-shot Learning.
• Score: 15.580557941267095
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Compositional Zero-shot Learning (CZSL) aims to recognize novel concepts composed of known knowledge without training samples. Standard CZSL either identifies visual primitives or enhances unseen composed entities, and as a result, entanglement between state and object primitives cannot be fully utilized. Admittedly, vision-language models (VLMs) could naturally cope with CZSL through tuning prompts, while uneven entanglement leads prompts to be dragged into local optimum. In this paper, we take a further step to introduce a novel Disentangled and Recurrent Prompt Tuning framework termed DRPT to better tap the potential of VLMs in CZSL. Specifically, the state and object primitives are deemed as learnable tokens of vocabulary embedded in prompts and tuned on seen compositions. Instead of jointly tuning state and object, we devise a disentangled and recurrent tuning strategy to suppress the traction force caused by entanglement and gradually optimize the token parameters, leading to a better prompt space. Notably, we develop a progressive fine-tuning procedure that allows for incremental updates to the prompts, optimizing the object first, then the state, and vice versa. Meanwhile, the optimization of state and object is independent, thus clearer features can be learned to further alleviate the issue of entangling misleading optimization. Moreover, we quantify and analyze the entanglement in CZSL and supplement entanglement rebalancing optimization schemes. DRPT surpasses representative state-of-the-art methods on extensive benchmark datasets, demonstrating superiority in both accuracy and efficiency.

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