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Recent advances in reinforcement learning (RL) have substantially improved the training of large-scale language models, leading to significant gains in generation quality and reasoning ability. However, most existing research focuses on…

机器学习 · 计算机科学 2026-01-13 Di Zhang , Xun Wu , Shaohan Huang , Lingjie Jiang , Yaru Hao , Li Dong , Zewen Chi , Zhifang Sui , Furu Wei

Weather forecasting is crucial for public safety, disaster prevention and mitigation, agricultural production, and energy management, with global relevance. Although deep learning has significantly advanced weather prediction, current…

机器学习 · 计算机科学 2025-02-18 Shixuan Li , Wei Yang , Peiyu Zhang , Xiongye Xiao , Defu Cao , Yuehan Qin , Xiaole Zhang , Yue Zhao , Paul Bogdan

Learning efficient and expressive visual representation has long been the pursuit of computer vision research. While Vision Transformers (ViTs) gradually replace traditional Convolutional Neural Networks (CNNs) as more scalable vision…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Quan Kong , Yanru Xiao , Yuhao Shen , Cong Wang

Power outages caused by tropical cyclones (TCs) pose serious risks to electric power systems and the communities they serve. Accurate, high-resolution outage forecasting is essential for enabling both proactive mitigation planning and…

系统与控制 · 电气工程与系统科学 2025-12-09 Yongchuan Yang , Naiyu Wang , Zhenguo Wang , Min Ouyang , Can Wan

Time series forecasting under distribution shift remains challenging, as existing deep learning models often rely on local statistical normalization (e.g., mean and variance) that fails to capture global distribution shift. Methods like…

机器学习 · 计算机科学 2025-11-18 Yujie Li , Zezhi Shao , Chengqing Yu , Yisong Fu , Tao Sun , Yongjun Xu , Fei Wang

Recently, Automatic Speech Recognition (ASR) systems (e.g., Whisper) have achieved remarkable accuracy improvements but remain highly sensitive to real-world unseen data (data with large distribution shifts), including noisy environments…

声音 · 计算机科学 2026-03-06 Linghan Fang , Tianxin Xie , Li Liu

Radio propagation modeling is essential in telecommunication research, as radio channels result from complex interactions with environmental objects. Recently, Machine Learning has been attracting attention as a potential alternative to…

Speech Foundation Models encounter significant performance degradation when deployed in real-world scenarios involving acoustic domain shifts, such as background noise and speaker accents. Test-time adaptation (TTA) has recently emerged as…

机器学习 · 计算机科学 2026-02-24 Jiaheng Dong , Hong Jia , Soumyajit Chatterjee , Abhirup Ghosh , James Bailey , Ting Dang

Reliable precipitation nowcasting is critical for weather-sensitive decision-making, yet neural weather models (NWMs) can produce poorly calibrated probabilistic forecasts. Standard calibration metrics such as the expected calibration error…

机器学习 · 计算机科学 2025-12-01 Lauri Kurki , Yaniel Cabrera , Samu Karanko

As the role played by statistical and computational sciences in climate and environmental modelling and prediction becomes more important, Machine Learning researchers are becoming more aware of the relevance of their work to help tackle…

机器学习 · 统计学 2020-12-23 Federico Amato , Fabian Guignard , Sylvain Robert , Mikhail Kanevski

In this paper, we study adversarial training on datasets that obey the long-tailed distribution, which is practical but rarely explored in previous works. Compared with conventional adversarial training on balanced datasets, this process…

机器学习 · 计算机科学 2023-12-05 Guanlin Li , Guowen Xu , Tianwei Zhang

Crop mapping based on satellite images time-series (SITS) holds substantial economic value in agricultural production settings, in which parcel segmentation is an essential step. Existing approaches have achieved notable advancements in…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Juyuan Kang , Hao Zhu , Yan Zhu , Wei Zhang , Jianing Chen , Tianxiang Xiao , Yike Ma , Hao Jiang , Feng Dai

Accurate and reliable energy time series prediction is of great significance for power generation planning and allocation. At present, deep learning time series prediction has become the mainstream method. However, the multi-scale time…

机器学习 · 计算机科学 2025-08-08 Wei Li , Zixin Wang , Qizheng Sun , Qixiang Gao , Fenglei Yang

Climate change stands as one of the most pressing global challenges of the twenty-first century, with far-reaching consequences such as rising sea levels, melting glaciers, and increasingly extreme weather patterns. Accurate forecasting is…

机器学习 · 计算机科学 2025-06-17 Tajamul Ashraf , Janibul Bashir

Current time-series forecasting models are primarily based on transformer-style neural networks. These models achieve long-term forecasting mainly by scaling up the model size rather than through genuinely autoregressive (AR) rollout. From…

机器学习 · 计算机科学 2026-05-08 Zheng Li , Jerry Cheng , Huanying Gu

Test-Time Adaptation (TTA) enables pre-trained models to adjust to distribution shift by learning from unlabeled test-time streams. However, existing methods typically treat these streams as independent samples, overlooking the supervisory…

机器学习 · 计算机科学 2026-01-30 Young Kyung Kim , Oded Schlesinger , Qiangqiang Wu , J. Matías Di Martino , Guillermo Sapiro

Existing trajectory prediction methods exhibit significant performance degradation under distribution shifts during test time. Although test-time training techniques have been explored to enable adaptation, current approaches rely on an…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Yuning Wang , Pu Zhang , Yuan He , Ke Wang , Jianru Xue

Reinforcement learning (RL) policies trained in simulation often suffer from severe performance degradation when deployed in real-world environments due to non-stationary dynamics. While Domain Randomization (DR) and meta-RL have been…

机器学习 · 计算机科学 2026-02-09 Aoi Yoshimura , Gouhei Tanaka

Meta-learning has emerged as a trending technique to tackle few-shot text classification and achieve state-of-the-art performance. However, the performance of existing approaches heavily depends on the inter-class variance of the support…

计算与语言 · 计算机科学 2023-06-12 Shuo Lei , Xuchao Zhang , Jianfeng He , Fanglan Chen , Chang-Tien Lu

Severe convection produces localized hazards that often require warnings before radar echoes fully reveal storm development. Convective initiation and the maintenance of intense convection remain challenging for radar-only nowcasting…

大气与海洋物理 · 物理学 2026-05-26 Lei Chen , Zijian Zhu , Xiaoran Zhuang , Tianyuan Qi , Yuxuan Feng , Xiaohui Zhong , Hao Li