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Electrocardiography (ECG) plays a central role in cardiovascular diagnostics, yet existing automated approaches often struggle to generalize across clinical tasks and offer limited support for open-ended reasoning. We present HeartLLM, a…

人工智能 · 计算机科学 2026-01-27 Jinning Yang , Wenjie Sun , Wen Shi

Distance metric learning (DML) approaches learn a transformation to a representation space where distance is in correspondence with a predefined notion of similarity. While such models offer a number of compelling benefits, it has been…

机器学习 · 统计学 2016-03-03 Oren Rippel , Manohar Paluri , Piotr Dollar , Lubomir Bourdev

Label distribution (LD) uses the description degree to describe instances, which provides more fine-grained supervision information when learning with label ambiguity. Nevertheless, LD is unavailable in many real-world applications. To…

机器学习 · 计算机科学 2023-03-22 Zhiqiang Kou , Yuheng Jia , Jing Wang , Boyu Shi , Xin Geng

We study a family of loss functions named label-distributionally robust (LDR) losses for multi-class classification that are formulated from distributionally robust optimization (DRO) perspective, where the uncertainty in the given label…

机器学习 · 计算机科学 2023-06-29 Dixian Zhu , Yiming Ying , Tianbao Yang

Deep distance metric learning (DDML), which is proposed to learn image similarity metrics in an end-to-end manner based on the convolution neural network, has achieved encouraging results in many computer vision tasks.$L2$-normalization in…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Xuefei Zhe , Shifeng Chen , Hong Yan

The prevalence of noisy labels in real-world datasets poses a significant impediment to the effective deployment of deep learning models. While meta-learning strategies have emerged as a promising approach for addressing this challenge,…

机器学习 · 计算机科学 2025-02-12 Mengyang Li

Emotional support is a core capability in human-AI interaction, with applications including psychological counseling, role play, and companionship. However, existing evaluations of large language models (LLMs) often rely on short, static…

Both the temporal dynamics and spatial correlations of Electroencephalogram (EEG), which contain discriminative emotion information, are essential for the emotion recognition. However, some redundant information within the EEG signals would…

信号处理 · 电气工程与系统科学 2022-11-17 Zhe Wang , Yongxiong Wang , Chuanfei Hu , Zhong Yin , Yu Song

Label distribution learning (LDL) is a new machine learning paradigm for solving label ambiguity. Since it is difficult to directly obtain label distributions, many studies are focusing on how to recover label distributions from logical…

机器学习 · 计算机科学 2023-05-17 Yifei Wang , Yiyang Zhou , Jihua Zhu , Xinyuan Liu , Wenbiao Yan , Zhiqiang Tian

The quantification of emotional states is an important step to understanding wellbeing. Time series data from multiple modalities such as physiological and motion sensor data have proven to be integral for measuring and quantifying…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Kieran Woodward , Eiman Kanjo , Athanasios Tsanas

Semi-supervised learning has received attention from researchers, as it allows one to exploit the structure of unlabeled data to achieve competitive classification results with much fewer labels than supervised approaches. The Local and…

机器学习 · 计算机科学 2022-01-11 Bruno Klaus de Aquino Afonso , Lilian Berton

Affective brain-computer interfaces based on electroencephalography (EEG) is an important branch in the field of affective computing. However, individual differences and noisy labels seriously limit the effectiveness and generalizability of…

人机交互 · 计算机科学 2022-05-09 Rushuang Zhou , Zhiguo Zhang , Hong Fu , Li Zhang , Linling Li , Gan Huang , Yining Dong , Fali Li , Xin Yang , Zhen Liang

Recent advancements in EEG-based emotion recognition have shown promising outcomes using both deep learning and classical machine learning approaches; however, most existing studies focus narrowly on binary valence prediction or…

机器学习 · 计算机科学 2025-09-01 Abdul Rehman , Ilona Heldal , Jerry Chun-Wei Lin

Anomaly detection often relies on supervised or clustering approaches, with limited success in specialized domains like automotive communication systems where scalable solutions are essential. We propose a novel decoder-only Large Language…

机器学习 · 计算机科学 2025-07-03 Bogdan Bogdan , Arina Cazacu , Laura Vasilie

Multi-label classification is a type of supervised learning where an instance may belong to multiple labels simultaneously. Predicting each label independently has been criticized for not exploiting any correlation between labels. In this…

机器学习 · 统计学 2023-10-25 Hyukjun Gweon , Matthias Schonlau , Stefan Steiner

We address the problem of network calibration adjusting miscalibrated confidences of deep neural networks. Many approaches to network calibration adopt a regularization-based method that exploits a regularization term to smooth the…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Hyekang Park , Jongyoun Noh , Youngmin Oh , Donghyeon Baek , Bumsub Ham

For tabular datasets, the change in the relationship between the label and covariates ($Y|X$-shifts) is common due to missing variables (a.k.a. confounders). Since it is impossible to generalize to a completely new and unknown domain, we…

机器学习 · 计算机科学 2024-10-11 Yibo Zeng , Jiashuo Liu , Henry Lam , Hongseok Namkoong

Node classification is a key task in temporal graph learning (TGL). Real-life temporal graphs often introduce new node classes over time, but existing TGL methods assume a fixed set of classes. This assumption brings limitations, as…

机器学习 · 计算机科学 2025-03-04 Hanmo Liu , Shimin Di , Haoyang Li , Xun Jian , Yue Wang , Lei Chen

Emotion recognition based on electroencephalography (EEG) holds significant promise for affective brain-computer interfaces (aBCIs). However, its practical deployment faces challenges due to the variability within inter-subject and the…

人机交互 · 计算机科学 2025-09-25 Jiahao Tang , Youjun Li , Xiangting Fan , Yangxuan Zheng , Siyuan Lu , Xueping Li , Peng Fang , Chenxi Li , Zi-Gang Huang

Numerous researches have proved that deep neural networks (DNNs) can fit everything in the end even given data with noisy labels, and result in poor generalization performance. However, recent studies suggest that DNNs tend to gradually…

机器学习 · 计算机科学 2021-04-07 Hao Yang , Youzhi Jin , Ziyin Li , Deng-Bao Wang , Lei Miao , Xin Geng , Min-Ling Zhang