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arXiv 2603.21170cs.LG

剪枝适应模块:一种简单却强大的连续基础模型基线

Pruned Adaptation Modules: A Simple yet Strong Baseline for Continual Foundation Models

AMOR/e Lab, Eindhoven University of Technology(埃因霍温理工大学AMOR/e实验室)

Elif Ceren Gok Yildirim, Murat Onur Yildirim, Joaquin Vanschoren

AI总结:

本文提出剪枝适应模块(PAM),通过冻结大部分预训练ResNet参数,利用稀疏任务特定层实现可扩展的连续学习,显著降低持续学习成本并减少遗忘。

摘要:

持续学习文献已迅速从传统类增量学习(CIL)技术转向基于基础模型(FM)的CIL方法,但缺乏对这些新方法与强大轻量级卷积基线比较的清晰理解。为填补这一方法学差距,我们引入剪枝适应模块(PAM),一种简单有效的技术,通过冻结大部分预训练ResNet参数,利用稀疏任务特定层实现可扩展的持续学习。PAM在可训练参数和总参数上分别减少约5倍和6倍,显著降低持续更新成本。在多样化的基准测试中,PAM一致缓解了灾难性遗忘并优于最先进的FM-based CIL方法。我们的发现将PAM定位为一种强大且透明的基线,有助于弥合传统与FM-based CIL之间的差距,指导未来研究以更准确评估持续学习的真正进展。代码可在:https://github.com/ElifCerenGokYildirim/PAM找到。

英文摘要:

The continual learning literature has rapidly shifted from traditional class incremental learning (CIL) techniques to foundation model (FM)-based CIL methods without a clear understanding of how these newer approaches compare to strong, lightweight convolutional baselines. This abrupt transition has created a substantial methodological gap, making it difficult to assess whether recent FM-based CIL progress reflects genuine advances or merely the absence of rigorous baselines. To address this gap, we introduce Pruned Adaptation Modules (PAM), a simple yet effective method that freezes the vast majority of the pre-trained ResNet while enabling scalable continual adaptation through sparse task-specific layers. PAM yields up to a ~5x reduction in trainable parameters and a ~6x reduction in total parameters, significantly reducing the cost of continual updates. Across diverse benchmarks, PAM consistently mitigates catastrophic forgetting and outperforms state-of-the-art FM-based CIL approaches. Our findings position PAM as a strong and transparent baseline that helps bridge the gap between traditional and FM-based CIL, guiding future research for a more accurate assessment of true progress in continual adaptation. The code can be found at: https://github.com/ElifCerenGokYildirim/PAM.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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