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Global environmental challenges and rising energy demands have led to extensive exploration of wind energy technologies. Accurate wind speed forecasting (WSF) is crucial for optimizing wind energy capture and ensuring system stability.…

机器学习 · 计算机科学 2024-08-29 Abid Hasan Zim , Aquib Iqbal , Asad Malik , Zhicheng Dong , Hanzhou Wu

Multitemporal hyperspectral image unmixing (MTHU) holds significant importance in monitoring and analyzing the dynamic changes of surface. However, compared to single-temporal unmixing, the multitemporal approach demands comprehensive…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Hang Li , Qiankun Dong , Xueshuo Xie , Xia Xu , Tao Li , Zhenwei Shi

The temporal complexity of electronic health record (EHR) data presents significant challenges for predicting clinical outcomes using machine learning. This paper proposes ChronoFormer, an innovative transformer based architecture…

机器学习 · 计算机科学 2025-04-11 Yuanyun Zhang , Shi Li

This paper presents \textbf{FreEformer}, a simple yet effective model that leverages a \textbf{Fre}quency \textbf{E}nhanced Trans\textbf{former} for multivariate time series forecasting. Our work is based on the assumption that the…

机器学习 · 计算机科学 2025-01-27 Wenzhen Yue , Yong Liu , Xianghua Ying , Bowei Xing , Ruohao Guo , Ji Shi

Time series forecasters are widely used across various domains. Among them, MLP (multi-layer perceptron)-based forecasters have been proven to be more robust to noise compared to Transformer-based forecasters. However, MLP struggles to…

机器学习 · 计算机科学 2026-03-18 Xiang Ao

Passenger demand forecasting helps optimize vehicle scheduling, thereby improving urban efficiency. Recently, attention-based methods have been used to adequately capture the dynamic nature of spatio-temporal data. However, existing methods…

人工智能 · 计算机科学 2025-06-06 Haichen Wang , Liu Yang , Xinyuan Zhang , Haomin Yu , Ming Li , Jilin Hu

Spatio-temporal sensor data in real-world systems is often sparse, noisy, and irregular, making latent field reconstruction fundamentally underconstrained. Under extreme sparsity, multiple physically plausible fields may remain consistent…

机器学习 · 计算机科学 2026-05-20 Ankit Bhardwaj , Ananth Balashankar , Lakshminarayanan Subramanian

Current postprocessing techniques often require separate models for each lead time and disregard possible inter-ensemble relationships by either correcting each member separately or by employing distributional approaches. In this work, we…

Meteorological agencies around the world rely on real-time flood guidance to issue life-saving advisories and warnings. For decades traditional numerical weather prediction (NWP) models have been state-of-the-art for precipitation…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Levi Harris , Tianlong Chen

Most existing transformer based video instance segmentation methods extract per frame features independently, hence it is challenging to solve the appearance deformation problem. In this paper, we observe the temporal information is…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Zhenghao Zhang , Fangtao Shao , Zuozhuo Dai , Siyu Zhu

This paper addresses end-to-end automatic speech recognition (ASR) for long audio recordings such as lecture and conversational speeches. Most end-to-end ASR models are designed to recognize independent utterances, but contextual…

计算与语言 · 计算机科学 2021-04-20 Takaaki Hori , Niko Moritz , Chiori Hori , Jonathan Le Roux

Real-world time series data are inherently multivariate, often exhibiting complex inter-channel dependencies. Each channel is typically sampled at its own period and is prone to missing values due to various practical and operational…

机器学习 · 计算机科学 2026-03-11 Jinkwan Jang , Hyungjin Park , Jinmyeong Choi , Taesup Kim

Time series forecasting is prevalent in extensive real-world applications, such as financial analysis and energy planning. Previous studies primarily focus on time series modality, endeavoring to capture the intricate variations and…

机器学习 · 计算机科学 2024-10-08 Jiaxiang Dong , Haixu Wu , Yuxuan Wang , Li Zhang , Jianmin Wang , Mingsheng Long

The performance of transformers for time-series forecasting has improved significantly. Recent architectures learn complex temporal patterns by segmenting a time-series into patches and using the patches as tokens. The patch size controls…

机器学习 · 计算机科学 2024-03-25 Yitian Zhang , Liheng Ma , Soumyasundar Pal , Yingxue Zhang , Mark Coates

Earth Observatory is a growing research area that can capitalize on the powers of AI for short time forecasting, a Now-casting scenario. In this work, we tackle the challenge of weather forecasting using a video transformer network. Vision…

计算机视觉与模式识别 · 计算机科学 2022-08-03 Alabi Bojesomo , Hasan Al Marzouqi , Panos Liatsis

Forecasting long-term time series in IoT environments remains a significant challenge due to the non-stationary and multi-scale characteristics of sensor signals. Furthermore, error accumulation causes a decrease in forecast quality when…

机器学习 · 计算机科学 2025-11-10 Qianyang Li , Xingjun Zhang , Peng Tao , Shaoxun Wang , Yancheng Pan , Jia Wei

Periodicity is a fundamental characteristic of time series data and has long played a central role in forecasting. Recent deep learning methods strengthen the exploitation of periodicity by treating patches as basic tokens, thereby…

机器学习 · 计算机科学 2025-10-07 Yiming Niu , Jinliang Deng , Yongxin Tong

Traditional approaches to adapting multi-modal large language models (MLLMs) to new tasks have relied heavily on fine-tuning. This paper introduces Efficient Multi-Modal Long Context Learning (EMLoC), a novel training-free alternative that…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Zehong Ma , Shiliang Zhang , Longhui Wei , Qi Tian

Long-term time series forecasting (LTSF) has been widely applied in finance, traffic prediction, and other domains. Recently, patch-based transformers have emerged as a promising approach, segmenting data into sub-level patches that serve…

机器学习 · 计算机科学 2024-08-06 Ruixin Ding , Yuqi Chen , Yu-Ting Lan , Wei Zhang

Forecasting high-resolution land subsidence is a critical yet challenging task due to its complex, non-linear dynamics. While standard architectures like ConvLSTM often fail to model long-range dependencies, we argue that a more fundamental…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Wendong Yao , Binhua Huang , Soumyabrata Dev