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A new line of research for feature selection based on neural networks has recently emerged. Despite its superiority to classical methods, it requires many training iterations to converge and detect informative features. The computational…

机器学习 · 计算机科学 2022-11-29 Ghada Sokar , Zahra Atashgahi , Mykola Pechenizkiy , Decebal Constantin Mocanu

In this work, we introduce the concept of Active Representation Learning, a novel class of problems that intertwines exploration and representation learning within partially observable environments. We extend ideas from Active Simultaneous…

机器学习 · 计算机科学 2024-11-07 Nikola Milosevic , Gesine Müller , Jan Huisken , Nico Scherf

Data subsampling has become widely recognized as a tool to overcome computational and economic bottlenecks in analyzing massive datasets. We contribute to the development of adaptive design for estimation of finite population…

统计方法学 · 统计学 2024-07-08 Henrik Imberg , Xiaomi Yang , Carol Flannagan , Jonas Bärgman

Foundation vision or vision-language models are trained on large unlabeled or noisy data and learn robust representations that can achieve impressive zero- or few-shot performance on diverse tasks. Given these properties, they are a natural…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Sanket Rajan Gupte , Josiah Aklilu , Jeffrey J. Nirschl , Serena Yeung-Levy

Foundational vision transformer models have shown impressive few shot performance on many vision tasks. This research presents a novel investigation into the application of parameter efficient fine-tuning methods within an active learning…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Athmanarayanan Lakshmi Narayanan , Ranganath Krishnan , Amrutha Machireddy , Mahesh Subedar

What is the best way to learn a universal face representation? Recent work on Deep Learning in the area of face analysis has focused on supervised learning for specific tasks of interest (e.g. face recognition, facial landmark localization…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Adrian Bulat , Shiyang Cheng , Jing Yang , Andrew Garbett , Enrique Sanchez , Georgios Tzimiropoulos

Self-supervised learning enables the training of large neural models without the need for large, labeled datasets. It has been generating breakthroughs in several fields, including computer vision, natural language processing, biology, and…

计算与语言 · 计算机科学 2023-12-19 Luis Lugo , Valentin Vielzeuf

While supervised learning has enabled great progress in many applications, unsupervised learning has not seen such widespread adoption, and remains an important and challenging endeavor for artificial intelligence. In this work, we propose…

机器学习 · 计算机科学 2019-01-23 Aaron van den Oord , Yazhe Li , Oriol Vinyals

Labeling a large set of data is expensive. Active learning aims to tackle this problem by asking to annotate only the most informative data from the unlabeled set. We propose a novel active learning approach that utilizes self-supervised…

计算机视觉与模式识别 · 计算机科学 2022-07-27 John Seon Keun Yi , Minseok Seo , Jongchan Park , Dong-Geol Choi

Representation Learning in a heterogeneous space with mixed variables of numerical and categorical types has interesting challenges due to its complex feature manifold. Moreover, feature learning in an unsupervised setup, without class…

机器学习 · 统计学 2020-10-15 Souradip Chakraborty , Ekansh Verma , Saswata Sahoo , Jyotishka Datta

Conventionally, autoencoders are unsupervised representation learning tools. In this work, we propose a novel discriminative autoencoder. Use of supervised discriminative learning ensures that the learned representation is robust to…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Anupriya Gogna , Angshul Majumdar

We study the problem of learning latent variables in Gaussian graphical models. Existing methods for this problem assume that the precision matrix of the observed variables is the superposition of a sparse and a low-rank component. In this…

机器学习 · 统计学 2017-07-12 Mohammadreza Soltani , Chinmay Hegde

Autoregressive modeling has been a huge success in the field of natural language processing (NLP). Recently, autoregressive models have emerged as a significant area of focus in computer vision, where they excel in producing high-quality…

Scientific computing requires handling large linear models, which are often composed of structured matrices. With increasing model size, dense representations quickly become infeasible to compute or store. Matrix-free implementations are…

数学软件 · 计算机科学 2021-11-30 Christoph Wilfried Wagner , Sebastian Semper , Jan Kirchhof

Developed to alleviate prohibitive labeling costs, active learning (AL) methods aim to reduce label complexity in supervised learning. While recent work has demonstrated the benefit of using AL in combination with large pre-trained language…

机器学习 · 计算机科学 2023-10-24 Josip Jukić , Jan Šnajder

Automatic face recognition is a research area with high popularity. Many different face recognition algorithms have been proposed in the last thirty years of intensive research in the field. With the popularity of deep learning and its…

计算机视觉与模式识别 · 计算机科学 2022-08-10 Tiago de Freitas Pereira , Dominic Schmidli , Yu Linghu , Xinyi Zhang , Sébastien Marcel , Manuel Günther

Active Learning (AL) has emerged as a powerful approach for minimizing labeling costs by selectively sampling the most informative data for neural network model development. Effective AL for large-scale vision-language models necessitates…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Athmanarayanan Lakshmi Narayanan , Amrutha Machireddy , Ranganath Krishnan

In recent studies on MRI reconstruction, advances have shown significant promise for further accelerating the MRI acquisition. Most state-of-the-art methods require a large amount of fully-sampled data to optimise reconstruction models,…

图像与视频处理 · 电气工程与系统科学 2023-12-04 Junwei Yang , Pietro Liò

Unsupervised visual representation learning offers the opportunity to leverage large corpora of unlabeled trajectories to form useful visual representations, which can benefit the training of reinforcement learning (RL) algorithms. However,…

机器学习 · 计算机科学 2024-06-04 Wancong Zhang , Anthony GX-Chen , Vlad Sobal , Yann LeCun , Nicolas Carion

Much recent work on visual recognition aims to scale up learning to massive, noisily-annotated datasets. We address the problem of scaling- up the evaluation of such models to large-scale datasets with noisy labels. Current protocols for…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Phuc Nguyen , Deva Ramanan , Charless Fowlkes