中文
相关论文

相关论文: A novel dual-stream time-frequency contrastive pre…

200 篇论文

Task-adaptive pre-training (TAPT) and Self-training (ST) have emerged as the major semi-supervised approaches to improve natural language understanding (NLU) tasks with massive amount of unlabeled data. However, it's unclear whether they…

计算与语言 · 计算机科学 2023-02-21 Shiyang Li , Semih Yavuz , Wenhu Chen , Xifeng Yan

Traditional self-supervised learning requires CNNs using external pretext tasks (i.e., image- or video-based tasks) to encode high-level semantic visual representations. In this paper, we show that feature transformations within CNNs can…

计算机视觉与模式识别 · 计算机科学 2021-06-10 Yuhang Yang , Zilin Ding , Xuan Cheng , Xiaomin Wang , Ming Liu

Many supervised learning tasks are emerged in dual forms, e.g., English-to-French translation vs. French-to-English translation, speech recognition vs. text to speech, and image classification vs. image generation. Two dual tasks have…

机器学习 · 计算机科学 2017-07-04 Yingce Xia , Tao Qin , Wei Chen , Jiang Bian , Nenghai Yu , Tie-Yan Liu

Sleep staging is a clinically important task for diagnosing various sleep disorders, but remains challenging to deploy at scale because it because it is both labor-intensive and time-consuming. Supervised deep learning-based approaches can…

信号处理 · 电气工程与系统科学 2024-04-25 Sayeri Lala , Hanlin Goh , Christopher Sandino

Spatio-temporal representation learning is critical for video self-supervised representation. Recent approaches mainly use contrastive learning and pretext tasks. However, these approaches learn representation by discriminating sampled…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Yujia Zhang , Lai-Man Po , Xuyuan Xu , Mengyang Liu , Yexin Wang , Weifeng Ou , Yuzhi Zhao , Wing-Yin Yu

As network security receives widespread attention, encrypted traffic classification has become the current research focus. However, existing methods conduct traffic classification without sufficiently considering the common characteristics…

机器学习 · 计算机科学 2024-02-13 Haozhen Zhang , Xi Xiao , Le Yu , Qing Li , Zhen Ling , Ye Zhang

Accurate classification of sleep stages based on bio-signals is fundamental not only for automatic sleep stage annotation, but also for clinical health management and continuous sleep monitoring. Traditionally, this task relies on…

机器学习 · 计算机科学 2025-09-09 Jingyu Li , Tiehua Zhang , Jinze Wang , Yi Zhang , Yuhuan Li , Yifan Zhao , Zhishu Shen , Libing Wu , Jiannan Liu

Manual sleep staging from polysomnography (PSG) is labor-intensive and prone to inter-scorer variability. While recent deep learning models have advanced automated staging, most rely solely on raw PSG signals and neglect contextual cues…

机器学习 · 计算机科学 2025-11-13 Woosuk Chung , Seokwoo Hong , Wonhyeok Lee , Sangyoon Bae

Recent work on few-shot learning \cite{tian2020rethinking} showed that quality of learned representations plays an important role in few-shot classification performance. On the other hand, the goal of self-supervised learning is to recover…

机器学习 · 计算机科学 2021-01-26 Nathaniel Simard , Guillaume Lagrange

Limited availability of labeled physiological data often prohibits the use of powerful supervised deep learning models in the biomedical machine intelligence domain. We approach this problem and propose a novel encoding framework that…

Recently self-supervised learning has been proposed in the field of human activity recognition as a solution to the labelled data availability problem. The idea being that by using pretext tasks such as reconstruction or contrastive…

机器学习 · 计算机科学 2023-07-04 Vitor Fortes Rey , Dominique Nshimyimana , Paul Lukowicz

In this paper, we propose a self-supervised learning solution for human activity recognition with smartphone accelerometer data. We aim to develop a model that learns strong representations from accelerometer signals, in order to perform…

信号处理 · 电气工程与系统科学 2024-10-28 Setareh Rahimi Taghanaki , Michael Rainbow , Ali Etemad

EEG-based Emotion recognition holds significant promise for applications in human-computer interaction, medicine, and neuroscience. While deep learning has shown potential in this field, current approaches usually rely on large-scale…

信号处理 · 电气工程与系统科学 2024-03-08 Hanqi Wang , Tao Chen , Liang Song

Recent research has demonstrated the efficacy of pre-training graph neural networks (GNNs) to capture the transferable graph semantics and enhance the performance of various downstream tasks. However, the semantic knowledge learned from…

机器学习 · 计算机科学 2023-12-19 Mouxiang Chen , Zemin Liu , Chenghao Liu , Jundong Li , Qiheng Mao , Jianling Sun

Diffusion models has emerged as a powerful framework for tasks like image controllable generation and dense prediction. However, existing models often struggle to capture underlying semantics (e.g., edges, textures, shapes) and effectively…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Zhong Ji , Weilong Cao , Yan Zhang , Yanwei Pang , Jungong Han , Xuelong Li

Pretext training followed by task-specific fine-tuning has been a successful approach in vision and language domains. This paper proposes a self-supervised pretext training framework tailored to event sequence data. We introduce a novel…

机器学习 · 计算机科学 2024-02-19 Yimu Wang , He Zhao , Ruizhi Deng , Frederick Tung , Greg Mori

This paper presents the novel Dual Stream Graph-Transformer Fusion (DS-GTF) architecture designed specifically for classifying task-based Magnetoencephalography (MEG) data. In the spatial stream, inputs are initially represented as graphs,…

信号处理 · 电气工程与系统科学 2024-10-11 Lucas Goene , Siamak Mehrkanoon

Self-supervised learning has demonstrated impressive performance in speech tasks, yet there remains ample opportunity for advancement in the realm of speech enhancement research. In addressing speech tasks, confining the attention mechanism…

音频与语音处理 · 电气工程与系统科学 2024-08-14 Tao Zheng , Liejun Wang , Yinfeng Yu

Partially Supervised Multi-Task Learning (PS-MTL) aims to leverage knowledge across tasks when annotations are incomplete. Existing approaches, however, have largely focused on the simpler setting of homogeneous, dense prediction tasks,…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Fangzhou Lin , Yuping Wang , Yuliang Guo , Zixun Huang , Xinyu Huang , Haichong Zhang , Kazunori Yamada , Zhengzhong Tu , Liu Ren , Ziming Zhang

Self-supervised learning (SSL) is the latest breakthrough in speech processing, especially for label-scarce downstream tasks by leveraging massive unlabeled audio data. The noise robustness of the SSL is one of the important challenges to…