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Recently, CNN object detectors have achieved high accuracy on remote sensing images but require huge labor and time costs on annotation. In this paper, we propose a new uncertainty-based active learning which can select images with more…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Zhenshen Qu , Jingda Du , Yong Cao , Qiuyu Guan , Pengbo Zhao

Active learning is able to significantly reduce the annotation cost for data-driven techniques. However, previous active learning approaches for natural language processing mainly depend on the entropy-based uncertainty criterion, and…

计算与语言 · 计算机科学 2020-10-13 Guirong Bai , Shizhu He , Kang Liu , Jun Zhao , Zaiqing Nie

Active learning is a commonly used approach that reduces the labeling effort required to train deep neural networks. However, the effectiveness of current active learning methods is limited by their closed-world assumptions, which assume…

机器学习 · 计算机科学 2024-01-11 Ruiyu Mao , Ouyang Xu , Yunhui Guo

To learn the optimal similarity function between probe and gallery images in Person re-identification, effective deep metric learning methods have been extensively explored to obtain discriminative feature embedding. However, existing…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Zhigang Chang , Qin Zhou , Mingyang Yu , Shibao Zheng , Hua Yang , Tai-Pang Wu

Many models of learning in teams assume that team members can share solutions or learn concurrently. However, these assumptions break down in multidisciplinary teams where team members often complete distinct, interrelated pieces of larger…

物理与社会 · 物理学 2023-08-16 John Meluso , Laurent Hébert-Dufresne

Similarity learning has been recognized as a crucial step for object tracking. However, existing multiple object tracking methods only use sparse ground truth matching as the training objective, while ignoring the majority of the…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Tobias Fischer , Thomas E. Huang , Jiangmiao Pang , Linlu Qiu , Haofeng Chen , Trevor Darrell , Fisher Yu

Multi-task learning (MTL) aims to improve the generalization of several related tasks by learning them jointly. As a comparison, in addition to the joint training scheme, modern meta-learning allows unseen tasks with limited labels during…

机器学习 · 计算机科学 2021-06-17 Haoxiang Wang , Han Zhao , Bo Li

Metric learning seeks perceptual embeddings where visually similar instances are close and dissimilar instances are apart, but learned representations can be sub-optimal when the distribution of intra-class samples is diverse and distinct…

机器学习 · 计算机科学 2021-08-30 Elad Levi , Tete Xiao , Xiaolong Wang , Trevor Darrell

Active learning is an effective technique for reducing the labeling cost by improving data efficiency. In this work, we propose a novel batch acquisition strategy for active learning in the setting where the model training is performed in a…

机器学习 · 计算机科学 2020-10-20 Zalán Borsos , Marco Tagliasacchi , Andreas Krause

Generating labeled training datasets has become a major bottleneck in Machine Learning (ML) pipelines. Active ML aims to address this issue by designing learning algorithms that automatically and adaptively select the most informative…

机器学习 · 计算机科学 2020-04-29 Mina Karzand , Robert D. Nowak

Since labeling medical image data is a costly and labor-intensive process, active learning has gained much popularity in the medical image segmentation domain in recent years. A variety of active learning strategies have been proposed in…

In this paper, we consider the problem of machine teaching, the inverse problem of machine learning. Different from traditional machine teaching which views the learners as batch algorithms, we study a new paradigm where the learner uses an…

机器学习 · 统计学 2017-11-21 Weiyang Liu , Bo Dai , Ahmad Humayun , Charlene Tay , Chen Yu , Linda B. Smith , James M. Rehg , Le Song

Person re-identification is an important task and has widespread applications in video surveillance for public security. In the past few years, deep learning network with triplet loss has become popular for this problem. However, the…

计算机视觉与模式识别 · 计算机科学 2020-12-29 Xinglu Wang

Meta-learning (ML) has emerged as a promising direction in learning models under constrained resource settings like few-shot learning. The popular approaches for ML either learn a generalizable initial model or a generic parametric…

机器学习 · 计算机科学 2022-03-07 Aroof Aimen , Sahil Sidheekh , Narayanan C. Krishnan

We conduct a comprehensive evaluation of state-of-the-art deep active learning methods. Surprisingly, under general settings, no single-model method decisively outperforms entropy-based active learning, and some even fall short of random…

机器学习 · 计算机科学 2024-03-25 Edrina Gashi , Jiankang Deng , Ismail Elezi

Pre-trained language models have achieved noticeable performance on the intent detection task. However, due to assigning an identical weight to each sample, they suffer from the overfitting of simple samples and the failure to learn complex…

计算与语言 · 计算机科学 2021-08-25 Yantao Gong , Cao Liu , Jiazhen Yuan , Fan Yang , Xunliang Cai , Guanglu Wan , Jiansong Chen , Ruiyao Niu , Houfeng Wang

Distances are pervasive in machine learning. They serve as similarity measures, loss functions, and learning targets; it is said that a good distance measure solves a task. When defining distances, the triangle inequality has proven to be a…

机器学习 · 计算机科学 2020-07-08 Silviu Pitis , Harris Chan , Kiarash Jamali , Jimmy Ba

This paper describes one objective function for learning semantically coherent feature embeddings in multi-output classification problems, i.e., when the response variables have dimension higher than one. In particular, we consider the…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Hugo Proença , Ehsan Yaghoubi , Pendar Alirezazadeh

Recent advances in decentralized deep learning algorithms have demonstrated cutting-edge performance on various tasks with large pre-trained models. However, a pivotal prerequisite for achieving this level of competitiveness is the…

We propose an algorithm for meta-learning that is model-agnostic, in the sense that it is compatible with any model trained with gradient descent and applicable to a variety of different learning problems, including classification,…

机器学习 · 计算机科学 2017-07-19 Chelsea Finn , Pieter Abbeel , Sergey Levine