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Pre-trained Vision Language Models (VLMs) have demonstrated notable progress in various zero-shot tasks, such as classification and retrieval. Despite their performance, because improving performance on new tasks requires task-specific…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Jihwan Bang , Sumyeong Ahn , Jae-Gil Lee

Commonly used objective functions (losses) for a supervised optimization of discriminative neural network classifiers were either distribution-based or metric-based. The distribution-based losses could compromise the generalization or cause…

机器学习 · 计算机科学 2023-06-06 Faezeh Fallah

Existed pre-trained models have achieved state-of-the-art performance on various text classification tasks. These models have proven to be useful in learning universal language representations. However, the semantic discrepancy between…

机器学习 · 计算机科学 2022-01-07 Jinhe Lan , Qingyuan Zhan , Chenhao Jiang , Kunping Yuan , Desheng Wang

We study active sampling algorithms for linear regression, which aim to query only a few entries of a target vector $b\in\mathbb R^n$ and output a near minimizer to $\min_{x\in\mathbb R^d} \|Ax-b\|$, for a design matrix $A\in\mathbb R^{n…

机器学习 · 计算机科学 2022-09-28 Cameron Musco , Christopher Musco , David P. Woodruff , Taisuke Yasuda

We study the task of testable learning of general -- not necessarily homogeneous -- halfspaces with adversarial label noise with respect to the Gaussian distribution. In the testable learning framework, the goal is to develop a…

机器学习 · 计算机科学 2024-09-02 Ilias Diakonikolas , Daniel M. Kane , Sihan Liu , Nikos Zarifis

We consider the Bayesian active learning and experimental design problem, where the goal is to learn the value of some unknown target variable through a sequence of informative, noisy tests. In contrast to prior work, we focus on the…

机器学习 · 计算机科学 2016-07-12 Yuxin Chen , S. Hamed Hassani , Andreas Krause

We study the question of testing structured properties (classes) of discrete distributions. Specifically, given sample access to an arbitrary distribution $D$ over $[n]$ and a property $\mathcal{P}$, the goal is to distinguish between…

数据结构与算法 · 计算机科学 2016-01-22 Clément L. Canonne , Ilias Diakonikolas , Themis Gouleakis , Ronitt Rubinfeld

Many machine learning algorithms require large numbers of labeled data to deliver state-of-the-art results. In applications such as medical diagnosis and fraud detection, though there is an abundance of unlabeled data, it is costly to label…

机器学习 · 计算机科学 2023-06-07 Xiang Chen , Zhao Song , Baocheng Sun , Junze Yin , Danyang Zhuo

We give the first agnostic, efficient, proper learning algorithm for monotone Boolean functions. Given $2^{\tilde{O}(\sqrt{n}/\varepsilon)}$ uniformly random examples of an unknown function $f:\{\pm 1\}^n \rightarrow \{\pm 1\}$, our…

数据结构与算法 · 计算机科学 2023-05-25 Jane Lange , Arsen Vasilyan

Active learning aims to reduce the high labeling cost involved in training machine learning models on large datasets by efficiently labeling only the most informative samples. Recently, deep active learning has shown success on various…

计算机视觉与模式识别 · 计算机科学 2019-12-12 Sudhanshu Mittal , Maxim Tatarchenko , Özgün Çiçek , Thomas Brox

The proliferation of automated data collection schemes and the advances in sensorics are increasing the amount of data we are able to monitor in real-time. However, given the high annotation costs and the time required by quality…

机器学习 · 统计学 2023-07-17 Davide Cacciarelli , Murat Kulahci , John Sølve Tyssedal

Unseen data can degrade performance of deep neural net acoustic models. To cope with unseen data, adaptation techniques are deployed. For unlabeled unseen data, one must generate some hypothesis given an existing model, which is used as the…

计算与语言 · 计算机科学 2018-02-21 Vikramjit Mitra , Horacio Franco

Recent advancements in semi-supervised deep learning have introduced effective strategies for leveraging both labeled and unlabeled data to improve classification performance. This work proposes a semi-supervised framework that utilizes a…

机器学习 · 计算机科学 2025-05-21 Aydin Abedinia , Shima Tabakhi , Vahid Seydi

Active learning (AL) techniques optimally utilize a labeling budget by iteratively selecting instances that are most valuable for learning. However, they lack ``prerequisite checks'', i.e., there are no prescribed criteria to pick an AL…

机器学习 · 计算机科学 2024-10-07 Abhishek Ghose , Emma Thuong Nguyen

We study the problem of robust learning under clean-label data-poisoning attacks, where the attacker injects (an arbitrary set of) correctly-labeled examples to the training set to fool the algorithm into making mistakes on specific test…

机器学习 · 计算机科学 2021-07-08 Avrim Blum , Steve Hanneke , Jian Qian , Han Shao

Deep Metric Learning (DML) plays a critical role in various machine learning tasks. However, most existing deep metric learning methods with binary similarity are sensitive to noisy labels, which are widely present in real-world data. Since…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Jiexi Yan , Lei Luo , Cheng Deng , Heng Huang

While the state-of-the-art performance on entity resolution (ER) has been achieved by deep learning, its effectiveness depends on large quantities of accurately labeled training data. To alleviate the data labeling burden, Active Learning…

机器学习 · 计算机科学 2020-12-25 Youcef Nafa , Qun Chen , Zhaoqiang Chen , Xingyu Lu , Haiyang He , Tianyi Duan , Zhanhuai Li

Recent advances in deep learning have achieved impressive gains in classification accuracy on a variety of types of data, including images and text. Despite these gains, however, concerns have been raised about the calibration, robustness,…

机器学习 · 计算机科学 2018-11-20 Dallas Card , Michael Zhang , Noah A. Smith

Active learning is a state-of-art machine learning approach to deal with an abundance of unlabeled data. In the field of Natural Language Processing, typically it is costly and time-consuming to have all the data annotated. This…

计算与语言 · 计算机科学 2021-07-19 Yukun Jiang

Many active learning and search approaches are intractable for large-scale industrial settings with billions of unlabeled examples. Existing approaches search globally for the optimal examples to label, scaling linearly or even…

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