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Meta-learning algorithms produce feature extractors which achieve state-of-the-art performance on few-shot classification. While the literature is rich with meta-learning methods, little is known about why the resulting feature extractors…

Machine Learning · Computer Science 2020-07-02 Micah Goldblum , Steven Reich , Liam Fowl , Renkun Ni , Valeriia Cherepanova , Tom Goldstein

It is common practice to reuse models initially trained on different data to increase downstream task performance. Especially in the computer vision domain, ImageNet-pretrained weights have been successfully used for various tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-08-01 Jonas Dippel , Matthias Lenga , Thomas Goerttler , Klaus Obermayer , Johannes Höhne

Many recent studies have focused on fine-tuning pre-trained models for speech emotion recognition (SER), resulting in promising performance compared to traditional methods that rely largely on low-level, knowledge-inspired acoustic…

Sound · Computer Science 2024-02-15 Tiantian Feng , Shrikanth Narayanan

With the success of pretraining techniques in representation learning, a number of continual learning methods based on pretrained models have been proposed. Some of these methods design continual learning mechanisms on the pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Paul Janson , Wenxuan Zhang , Rahaf Aljundi , Mohamed Elhoseiny

Adversarial examples (AEs) have been extensively studied due to their potential for privacy protection and inspiring robust neural networks. Yet, making a targeted AE transferable across unknown models remains challenging. In this paper, to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Hui Zeng , Biwei Chen , Anjie Peng

In this study, we investigated whether self-supervised pretraining could produce a neural network feature extractor applicable to multiple classification tasks in B-mode lung ultrasound analysis. When fine-tuning on three lung ultrasound…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Blake VanBerlo , Brian Li , Jesse Hoey , Alexander Wong

For modern artificial intelligence (AI) applications such as large language models (LLMs), the training paradigm has recently shifted to pre-training followed by fine-tuning. Furthermore, owing to dwindling open repositories of data and…

Machine Learning · Computer Science 2025-12-02 Haifeng Wen , Hong Xing , Osvaldo Simeone

The pretraining-finetuning paradigm has become the prevailing trend in modern deep learning. In this work, we discover an intriguing linear phenomenon in models that are initialized from a common pretrained checkpoint and finetuned on…

Machine Learning · Computer Science 2024-05-29 Zhanpeng Zhou , Zijun Chen , Yilan Chen , Bo Zhang , Junchi Yan

In contemporary deep learning, a prevalent and effective workflow for solving low-data problems is adapting powerful pre-trained foundation models (FMs) to new tasks via parameter-efficient fine-tuning (PEFT). However, while empirically…

Machine Learning · Computer Science 2025-05-29 Fady Rezk , Royson Lee , Henry Gouk , Timothy Hospedales , Minyoung Kim

One aim shared by multiple settings, such as continual learning or transfer learning, is to leverage previously acquired knowledge to converge faster on the current task. Usually this is done through fine-tuning, where an implicit…

Machine Learning · Computer Science 2023-10-17 Tudor Berariu , Wojciech Czarnecki , Soham De , Jorg Bornschein , Samuel Smith , Razvan Pascanu , Claudia Clopath

Fine-tuning large pre-trained models has become the de facto strategy for developing both task-specific and general-purpose machine learning systems, including developing models that are safe to deploy. Despite its clear importance, there…

Federated Learning (FL) is a collaborative learning framework designed to protect client data, yet it remains highly vulnerable to Intellectual Property (IP) threats. Model extraction (ME) attacks pose a significant risk to Machine Learning…

Cryptography and Security · Computer Science 2025-06-02 Sayyed Farid Ahamed , Sandip Roy , Soumya Banerjee , Marc Vucovich , Kevin Choi , Abdul Rahman , Alison Hu , Edward Bowen , Sachin Shetty

He et al. (2018) have called into question the utility of pre-training by showing that training from scratch can often yield similar performance to pre-training. We show that although pre-training may not improve performance on traditional…

Machine Learning · Computer Science 2019-10-22 Dan Hendrycks , Kimin Lee , Mantas Mazeika

Deep learning techniques have revolutionised medical imaging, improving diagnostic accuracy and enabling both more accurate and earlier disease detection. However, the relationship between pre-training strategies and downstream performance…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Felix Krones

We introduce a framework to measure how biases change before and after fine-tuning a large scale visual recognition model for a downstream task. Deep learning models trained on increasing amounts of data are known to encode societal biases.…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Jaspreet Ranjit , Tianlu Wang , Baishakhi Ray , Vicente Ordonez

Contrastive visual pretraining based on the instance discrimination pretext task has made significant progress. Notably, recent work on unsupervised pretraining has shown to surpass the supervised counterpart for finetuning downstream…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Nanxuan Zhao , Zhirong Wu , Rynson W. H. Lau , Stephen Lin

Transfer learning is the predominant paradigm for training deep networks on small target datasets. Models are typically pretrained on large ``upstream'' datasets for classification, as such labels are easy to collect, and then finetuned on…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Anurag Arnab , Xuehan Xiong , Alexey Gritsenko , Rob Romijnders , Josip Djolonga , Mostafa Dehghani , Chen Sun , Mario Lučić , Cordelia Schmid

Transfer learning improves the performance of deep learning models by initializing them with parameters pre-trained on larger datasets. Intuitively, transfer learning is more effective when pre-training is on the in-domain datasets. A…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Khaled Alrfou , Tian Zhao , Amir Kordijazi

Transfer learning via fine-tuning pre-trained transformer models has gained significant success in delivering state-of-the-art results across various NLP tasks. In the absence of centralized data, Federated Learning (FL) can benefit from…

In this paper we delve into the properties of transformers, attained through self-supervision, in the point cloud domain. Specifically, we evaluate the effectiveness of Masked Autoencoding as a pretraining scheme, and explore Momentum…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Ioannis Romanelis , Vlassis Fotis , Konstantinos Moustakas , Adrian Munteanu