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Multitask learning is widely used in practice to train a low-resource target task by augmenting it with multiple related source tasks. Yet, naively combining all the source tasks with a target task does not always improve the prediction…

Machine Learning · Computer Science 2023-12-29 Dongyue Li , Huy L. Nguyen , Hongyang R. Zhang

Neural Architecture Search (NAS) methods have been shown to outperform hand-designed models and help to democratize AI. However, NAS methods often start from scratch with each new task, making them computationally expensive and limiting…

Machine Learning · Computer Science 2025-07-15 Prabhant Singh , Joaquin Vanschoren

Representation learning promises to unlock deep learning for the long tail of vision tasks without expensive labelled datasets. Yet, the absence of a unified evaluation for general visual representations hinders progress. Popular protocols…

Representational Similarity Analysis (RSA) aims to explore similarities between neural activities of different stimuli. Classical RSA techniques employ the inverse of the covariance matrix to explore a linear model between the neural…

Neurons and Cognition · Quantitative Biology 2018-09-13 Xiaoliang Sheng , Muhammad Yousefnezhad , Tonglin Xu , Ning Yuan , Daoqiang Zhang

Learning representations of well-trained neural network models holds the promise to provide an understanding of the inner workings of those models. However, previous work has either faced limitations when processing larger networks or was…

Machine Learning · Computer Science 2024-06-17 Konstantin Schürholt , Michael W. Mahoney , Damian Borth

The idea of reusing or transferring information from previously learned tasks (source tasks) for the learning of new tasks (target tasks) has the potential to significantly improve the sample efficiency of a reinforcement learning agent. In…

Artificial Intelligence · Computer Science 2022-09-28 Thommen George Karimpanal , Roland Bouffanais

Learning-based manipulation policies from image inputs often show weak task transfer capabilities. In contrast, visual servoing methods allow efficient task transfer in high-precision scenarios while requiring only a few demonstrations. In…

Robotics · Computer Science 2023-10-09 Max Argus , Abhijeet Nayak , Martin Büchner , Silvio Galesso , Abhinav Valada , Thomas Brox

This paper investigates the use of nonparametric kernel-regression to obtain a tasksimilarity aware meta-learning algorithm. Our hypothesis is that the use of tasksimilarity helps meta-learning when the available tasks are limited and may…

Machine Learning · Computer Science 2020-10-13 Arun Venkitaraman , Anders Hansson , Bo Wahlberg

Transfer learning enhances learning across tasks, by leveraging previously learned representations -- if they are properly chosen. We describe an efficient method to accurately estimate the appropriateness of a previously trained model for…

Learning robust representations that allow to reliably establish relations between images is of paramount importance for virtually all of computer vision. Annotating the quadratic number of pairwise relations between training images is…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Timo Milbich , Omair Ghori , Ferran Diego , Björn Ommer

We study the problem of representational transfer in RL, where an agent first pretrains in a number of source tasks to discover a shared representation, which is subsequently used to learn a good policy in a \emph{target task}. We propose a…

Machine Learning · Computer Science 2023-02-23 Alekh Agarwal , Yuda Song , Wen Sun , Kaiwen Wang , Mengdi Wang , Xuezhou Zhang

This paper proposes Relational Similarity Machines (RSM): a fast, accurate, and flexible relational learning framework for supervised and semi-supervised learning tasks. Despite the importance of relational learning, most existing methods…

Machine Learning · Statistics 2016-08-03 Ryan A. Rossi , Rong Zhou , Nesreen K. Ahmed

Sparse representation models a signal as a linear combination of a small number of dictionary atoms. As a generative model, it requires the dictionary to be highly redundant in order to ensure both a stable high sparsity level and a low…

Computer Vision and Pattern Recognition · Computer Science 2015-06-23 Xiaoxia Sun , Nasser M. Nasrabadi , Trac D. Tran

Deep learning systems thrive on abundance of labeled training data but such data is not always available, calling for alternative methods of supervision. One such method is expectation regularization (XR) (Mann and McCallum, 2007), where…

Machine Learning · Computer Science 2019-09-15 Matan Ben Noach , Yoav Goldberg

An important goal of computer vision is to build systems that learn visual representations over time that can be applied to many tasks. In this paper, we investigate a vision-language embedding as a core representation and show that it…

Computer Vision and Pattern Recognition · Computer Science 2017-10-17 Tanmay Gupta , Kevin Shih , Saurabh Singh , Derek Hoiem

Team adaptation to new cooperative tasks is a hallmark of human intelligence, which has yet to be fully realized in learning agents. Previous work on multi-agent transfer learning accommodate teams of different sizes, heavily relying on the…

Artificial Intelligence · Computer Science 2022-03-10 Rongjun Qin , Feng Chen , Tonghan Wang , Lei Yuan , Xiaoran Wu , Zongzhang Zhang , Chongjie Zhang , Yang Yu

Solving multiple visual tasks using individual models can be resource-intensive, while multi-task learning can conserve resources by sharing knowledge across different tasks. Despite the benefits of multi-task learning, such techniques can…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Sara Shoouri , Mingyu Yang , Zichen Fan , Hun-Seok Kim

Representational similarity metrics are fundamental tools in neuroscience and AI, yet we lack systematic comparisons of their discriminative power across model families. We introduce a quantitative framework to evaluate representational…

Machine Learning · Computer Science 2025-12-10 Jialin Wu , Shreya Saha , Yiqing Bo , Meenakshi Khosla

Transfer learning enables to re-use knowledge learned on a source task to help learning a target task. A simple form of transfer learning is common in current state-of-the-art computer vision models, i.e. pre-training a model for image…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Thomas Mensink , Jasper Uijlings , Alina Kuznetsova , Michael Gygli , Vittorio Ferrari

A fundamental challenge in neuroscience is to decode mental states from brain activity. While functional magnetic resonance imaging (fMRI) offers a non-invasive approach to capture brain-wide neural dynamics with high spatial precision,…

Image and Video Processing · Electrical Eng. & Systems 2025-07-31 Yueh-Po Peng , Vincent K. M. Cheung , Li Su