Enhancing Adaptability and Robustness in Pre-trained Models

The current developments in the research area are primarily focused on enhancing the adaptability and robustness of pre-trained models across various tasks and domains. There is a notable trend towards developing parameter-efficient fine-tuning (PEFT) strategies that allow large models to be adapted to specific tasks without requiring full retraining. This approach is seen as crucial for reducing computational costs and improving the transferability of models across different datasets and tasks. Additionally, there is a growing interest in meta-learning frameworks that integrate PEFT to create models that can be easily adapted to unseen tasks, thereby addressing the limitations of conventional two-phase retraining and fine-tuning procedures. Theoretical advancements are also being made to better understand and optimize the performance of these adaptable models, particularly in scenarios involving tail task risk minimization and robustness against out-of-distribution samples. Furthermore, the use of novel mathematical techniques, such as Householder transformations, is being explored to provide more flexible and efficient adaptation methods for pre-trained models. Lastly, there is a critical examination of the applicability of foundation models to specialized tasks like face recognition, highlighting the need for tailored fine-tuning strategies to leverage the strengths of these models in specific domains.

Noteworthy papers include one that introduces a meta-learning framework with PEFT to enhance model adaptability, and another that explores the use of Householder transformations for efficient adaptation of Vision Transformers.

Sources

Transferable Post-training via Inverse Value Learning

$\texttt{skwdro}$: a library for Wasserstein distributionally robust machine learning

ImageNet-RIB Benchmark: Large Pre-Training Datasets Don't Guarantee Robustness after Fine-Tuning

Meta-Learning Adaptable Foundation Models

Theoretical Investigations and Practical Enhancements on Tail Task Risk Minimization in Meta Learning

Efficient Adaptation of Pre-trained Vision Transformer via Householder Transformation

FRoundation: Are Foundation Models Ready for Face Recognition?

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