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In supervised learning, we typically leverage a fully labeled dataset to design methods for function estimation or prediction. In many practical situations, we are able to obtain alternative feedback, possibly at a low cost. A broad goal is…

机器学习 · 统计学 2020-10-27 Yichong Xu , Sivaraman Balakrishnan , Aarti Singh , Artur Dubrawski

While the predictions produced by conformal prediction are set-valued, the data used for training and calibration is supposed to be precise. In the setting of superset learning or learning from partial labels, a variant of weakly supervised…

机器学习 · 计算机科学 2023-06-05 Alireza Javanmardi , Yusuf Sale , Paul Hofman , Eyke Hüllermeier

Pre-training on time series poses a unique challenge due to the potential mismatch between pre-training and target domains, such as shifts in temporal dynamics, fast-evolving trends, and long-range and short-cyclic effects, which can lead…

机器学习 · 计算机科学 2022-10-18 Xiang Zhang , Ziyuan Zhao , Theodoros Tsiligkaridis , Marinka Zitnik

Contrastive pre-training on distant supervision has shown remarkable effectiveness in improving supervised relation extraction tasks. However, the existing methods ignore the intrinsic noise of distant supervision during the pre-training…

计算与语言 · 计算机科学 2023-02-13 Zhen Wan , Fei Cheng , Qianying Liu , Zhuoyuan Mao , Haiyue Song , Sadao Kurohashi

In response to an object presentation, supervised learning schemes generally respond with a parsimonious label. Upon a similar presentation we humans respond again with a label, but are flooded, in addition, by a myriad of associations. A…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Daniel N. Nissani

Recently, transfer learning and self-supervised learning have gained significant attention within the medical field due to their ability to mitigate the challenges posed by limited data availability, improve model generalisation, and reduce…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Zehui Zhao , Laith Alzubaidi , Jinglan Zhang , Ye Duan , Usman Naseem , Yuantong Gu

Semi-supervised learning is attracting blooming attention, due to its success in combining unlabeled data. However, pseudo-labeling-based semi-supervised approaches suffer from two problems in image classification: (1) Existing methods…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Xuerong Zhang , Li Huang , Jing Lv , Ming Yang

Semi-supervised learning acts as an effective way to leverage massive unlabeled data. In this paper, we propose a novel training strategy, termed as Semi-supervised Contrastive Learning (SsCL), which combines the well-known contrastive loss…

计算机视觉与模式识别 · 计算机科学 2021-05-18 Yuhang Zhang , Xiaopeng Zhang , Robert. C. Qiu , Jie Li , Haohang Xu , Qi Tian

Automatic music transcription is considered to be one of the hardest problems in music information retrieval, yet recent deep learning approaches have achieved substantial improvements on transcription performance. These approaches commonly…

声音 · 计算机科学 2019-06-21 Jong Wook Kim , Juan Pablo Bello

Discriminating the traversability of terrains is a crucial task for autonomous driving in off-road environments. However, it is challenging due to the diverse, ambiguous, and platform-specific nature of off-road traversability. In this…

机器人学 · 计算机科学 2023-07-07 Hanzhang Xue , Xiaochang Hu , Rui Xie , Hao Fu , Liang Xiao , Yiming Nie , Bin Dai

Given the difficulty of manually annotating motion in video, the current best motion estimation methods are trained with synthetic data, and therefore struggle somewhat due to a train/test gap. Self-supervised methods hold the promise of…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Xinglong Sun , Adam W. Harley , Leonidas J. Guibas

Contrastive self-supervised learning has outperformed supervised pretraining on many downstream tasks like segmentation and object detection. However, current methods are still primarily applied to curated datasets like ImageNet. In this…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Wouter Van Gansbeke , Simon Vandenhende , Stamatios Georgoulis , Luc Van Gool

Contrastive divergence is a popular method of training energy-based models, but is known to have difficulties with training stability. We propose an adaptation to improve contrastive divergence training by scrutinizing a gradient term that…

机器学习 · 计算机科学 2021-06-14 Yilun Du , Shuang Li , Joshua Tenenbaum , Igor Mordatch

After a model is deployed on edge devices, it is desirable for these devices to learn from unlabeled data to continuously improve accuracy. Contrastive learning has demonstrated its great potential in learning from unlabeled data. However,…

机器学习 · 计算机科学 2021-06-08 Yawen Wu , Zhepeng Wang , Dewen Zeng , Yiyu Shi , Jingtong Hu

Unlike traditional supervised learning, in many settings only partial feedback is available. We may only observe outcomes for the chosen actions, but not the counterfactual outcomes associated with other alternatives. Such settings…

机器学习 · 计算机科学 2021-12-09 Ruijiang Gao , Max Biggs , Wei Sun , Ligong Han

Self-supervised methods have emerged as a promising avenue for representation learning in the recent years since they alleviate the need for labeled datasets, which are scarce and expensive to acquire. Contrastive methods are a popular…

声音 · 计算机科学 2022-09-07 Elio Quinton

Disease diagnosis from medical images via supervised learning is usually dependent on tedious, error-prone, and costly image labeling by medical experts. Alternatively, semi-supervised learning and self-supervised learning offer…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Attiano Purpura-Pontoniere , Demetri Terzopoulos , Adam Wang , Abdullah-Al-Zubaer Imran

Unsupervised contrastive learning has gained increasing attention in the latest research and has proven to be a powerful method for learning representations from unlabeled data. However, little theoretical analysis was known for this…

机器学习 · 计算机科学 2021-06-01 Zixin Wen

Medical Vision Language Pretraining (VLP) has recently emerged as a promising solution to the scarcity of labeled data in the medical domain. By leveraging paired/unpaired vision and text datasets through self-supervised learning, models…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Prashant Shrestha , Sanskar Amgain , Bidur Khanal , Cristian A. Linte , Binod Bhattarai

Semi-supervised learning provides a solution to reduce the dependency of machine learning on labeled data. As one of the efficient semi-supervised techniques, self-training (ST) has received increasing attention. Several advancements have…

机器学习 · 计算机科学 2024-04-22 Jifeng Guo , Zhulin Liu , Tong Zhang , C. L. Philip Chen