LION: Implicit Vision Prompt Tuning

• URL: http://arxiv.org/abs/2303.09992v3
• Date: Wed, 27 Mar 2024 16:20:52 GMT
• Title: LION: Implicit Vision Prompt Tuning
• Authors: Haixin Wang, Jianlong Chang, Xiao Luo, Jinan Sun, Zhouchen Lin, Qi Tian,
• Abstract summary: We propose an efficient vision model named impLicit vIsion prOmpt tuNing (LION) LION is motivated by deep implicit models with stable memory costs for various complex tasks. The performance obtained by our LION are promising on a wide range of datasets.
• Score: 95.71880718928439
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Despite recent competitive performance across a range of vision tasks, vision Transformers still have an issue of heavy computational costs. Recently, vision prompt learning has provided an economic solution to this problem without fine-tuning the whole large-scale models. However, the efficiency of existing models are still far from satisfactory due to insertion of extensive prompts blocks and trick prompt designs. In this paper, we propose an efficient vision model named impLicit vIsion prOmpt tuNing (LION), which is motivated by deep implicit models with stable memory costs for various complex tasks. In particular, we merely insect two equilibrium implicit layers in two ends of the pre-trained main backbone with parameters in the backbone frozen. Moreover, we prune the parameters in these two layers according to lottery hypothesis. The performance obtained by our LION are promising on a wide range of datasets. In particular, our LION reduces up to 11.5% of training parameter numbers while obtaining higher performance compared with the state-of-the-art baseline VPT, especially under challenging scenes. Furthermore, we find that our proposed LION had a good generalization performance, making it an easy way to boost transfer learning in the future.

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