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Model Reprogramming Outperforms Fine-tuning on Out-of-distribution Data in Text-Image Encoders
March 19, 2024, 4:41 a.m. | Andrew Geng, Pin-Yu Chen
cs.LG updates on arXiv.org arxiv.org
Abstract: When evaluating the performance of a pre-trained model transferred to a downstream task, it is imperative to assess not only the in-distribution (ID) accuracy of the downstream model but also its capacity to generalize and identify out-of-distribution (OOD) samples. In this paper, we unveil the hidden costs associated with intrusive fine-tuning techniques. Specifically, we demonstrate that commonly used fine-tuning methods not only distort the representations necessary for generalizing to covariate-shifted OOD samples (OOD generalization) but …
abstract accuracy arxiv capacity cs.lg data distribution fine-tuning identify image paper performance samples text text-image type
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