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Recent advances in image-based saliency prediction are approaching gold standard performance levels on existing benchmarks. Despite this success, we show that predicting fixations across multiple saliency datasets remains challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Matthias Kümmerer , Harneet Singh Khanuja , Matthias Bethge

Pre-training datasets are critical for building state-of-the-art machine learning models, motivating rigorous study on their impact on downstream tasks. In this work, we study the impact of the trade-off between the intra-class diversity…

Machine Learning · Computer Science 2023-12-04 Jieyu Zhang , Bohan Wang , Zhengyu Hu , Pang Wei Koh , Alexander Ratner

Despite tremendous progress in developing deep-learning-based weather forecasting systems, their design space, including the impact of different design choices, is yet to be well understood. This paper aims to fill this knowledge gap by…

Recently, extensive deep learning architectures and pretraining strategies have been explored to support downstream protein applications. Additionally, domain-specific models incorporating biological knowledge have been developed to enhance…

Biomolecules · Quantitative Biology 2026-03-03 Shuo Yan , Yuliang Yan , Bin Ma , Chenao Li , Haochun Tang , Jiahua Lu , Minhua Lin , Yuyuan Feng , Enyan Dai

Rapid development of large-scale pre-training has resulted in foundation models that can act as effective feature extractors on a variety of downstream tasks and domains. Motivated by this, we study the efficacy of pre-trained vision models…

Machine Learning · Computer Science 2022-07-05 Oleksiy Ostapenko , Timothee Lesort , Pau Rodríguez , Md Rifat Arefin , Arthur Douillard , Irina Rish , Laurent Charlin

As the potential of foundation models in visual tasks has garnered significant attention, pretraining these models before downstream tasks has become a crucial step. The three key factors in pretraining foundation models are the pretraining…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Keumgang Cha , Junghoon Seo , Taekyung Lee

The transfer learning paradigm of model pre-training and subsequent fine-tuning produces high-accuracy models. While most studies recommend scaling the pre-training size to benefit most from transfer learning, a question remains: what data…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Rahim Entezari , Mitchell Wortsman , Olga Saukh , M. Moein Shariatnia , Hanie Sedghi , Ludwig Schmidt

A foundation model is a machine learning model trained on a large and diverse set of data, typically using self-supervised learning-based pre-training techniques, that can be adapted to various downstream tasks. However, current research on…

The superior performance of some of today's state-of-the-art deep learning models is to some extent owed to extensive (self-)supervised contrastive pretraining on large-scale datasets. In contrastive learning, the network is presented with…

Machine Learning · Computer Science 2022-07-20 Shervin Ardeshir , Navid Azizan

Currently, data and model size dominate the narrative in the training of super-large, powerful models. However, there has been a lack of exploration on the effect of other attributes of the training dataset on model performance. We…

Machine Learning · Computer Science 2025-01-22 Kavita Selva , Satita Vittayaareekul , Brando Miranda

As AI workloads increase in scope, generalization capability becomes challenging for small task-specific models and their demand for large amounts of labeled training samples increases. On the contrary, Foundation Models (FMs) are trained…

Artificial Intelligence · Computer Science 2024-04-19 Aristeidis Tsaris , Philipe Ambrozio Dias , Abhishek Potnis , Junqi Yin , Feiyi Wang , Dalton Lunga

Recent advances in artificial intelligence have been fueled by the development of foundation models such as BERT, GPT, T5, and Vision Transformers. These models are first pretrained on vast and diverse datasets and then adapted to specific…

Machine Learning · Computer Science 2025-05-30 Michael Munn , Susan Wei

Deep learning models operating in the image domain are vulnerable to small input perturbations. For years, robustness to such perturbations was pursued by training models from scratch (i.e., with random initializations) using specialized…

Annotating medical imaging datasets is costly, so fine-tuning (or transfer learning) is the most effective method for digital pathology vision applications such as disease classification and semantic segmentation. However, due to texture…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Tushar Kataria , Beatrice Knudsen , Shireen Elhabian

With access to large-scale, unlabeled medical datasets, researchers are confronted with two questions: Should they attempt to pretrain a custom foundation model on this medical data, or use transfer-learning from an existing generalist…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Jakob Ambsdorf , Asbjørn Munk , Sebastian Llambias , Anders Nymark Christensen , Kamil Mikolaj , Randall Balestriero , Martin Tolsgaard , Aasa Feragen , Mads Nielsen

The pretrain-finetune paradigm usually improves downstream performance over training a model from scratch on the same task, becoming commonplace across many areas of machine learning. While pretraining is empirically observed to be…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Gabriele Merlin , Vedant Nanda , Ruchit Rawal , Mariya Toneva

Pretrained foundation models learn embeddings that can be used for a wide range of downstream tasks. These embeddings optimise general performance, and if insufficiently accurate at a specific task the model can be fine-tuned to improve…

Machine Learning · Computer Science 2025-02-20 Matthew P. Wilson , Edward O. Pyzer-Knapp , Nicolas Galichet , Luke Dicks

Foundation models are rapidly transforming Earth Observation data mining by enabling generalizable and scalable solutions for key tasks such as scene classification and semantic segmentation. While most efforts in the geospatial domain have…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Man Duc Chuc

Large language models achieve high performance on many but not all downstream tasks. The interaction between pretraining data and task data is commonly assumed to determine this variance: a task with data that is more similar to a model's…

Computation and Language · Computer Science 2023-11-16 Gregory Yauney , Emily Reif , David Mimno

Decision-making is a dynamic process requiring perception, memory, and reasoning to make choices and find optimal policies. Traditional approaches to decision-making suffer from sample efficiency and generalization, while large-scale…

Machine Learning · Computer Science 2024-01-08 Xiaoqian Liu , Jianbin Jiao , Junge Zhang