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Recent automated crop mapping via supervised learning-based methods have demonstrated unprecedented improvement over classical techniques. However, most crop mapping studies are limited to same-year crop mapping in which the present year's…

机器学习 · 计算机科学 2019-11-28 Mustafa Teke , Yasemin Yardımcı

Modeling time series is a research focus in cryospheric sciences because of the complexity and multiscale nature of events of interest. Highly non-uniform sampling of measurements from different sensors with different levels of accuracy, as…

应用统计 · 统计学 2020-07-13 Prashant Shekhar , Beata Csatho , Tony Schenk , Carolyn Roberts , Abani Patra

Multivariate time series (MTS) anomaly detection identifies abnormal patterns where each timestamp contains multiple variables. Existing MTS anomaly detection methods fall into three categories: reconstruction-based, prediction-based, and…

机器学习 · 计算机科学 2025-10-03 Yuanyuan Yao , Yuhan Shi , Lu Chen , Ziquan Fang , Yunjun Gao , Leong Hou U , Yushuai Li , Tianyi Li

While annual crop rotations play a crucial role for agricultural optimization, they have been largely ignored for automated crop type mapping. In this paper, we take advantage of the increasing quantity of annotated satellite data to…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Félix Quinton , Loic Landrieu

Forecasting agricultural markets remains challenging due to nonlinear dynamics, structural breaks, and sparse data. A long-standing belief holds that simple time-series methods outperform more advanced alternatives. This paper provides the…

计量经济学 · 经济学 2026-01-21 Le Wang , Boyuan Zhang

The amount of available Earth observation data has increased dramatically in the recent years. Efficiently making use of the entire body information is a current challenge in remote sensing and demands for light-weight problem-agnostic…

机器学习 · 计算机科学 2020-10-26 Marc Rußwurm , Marco Körner

Monitoring agricultural activities is important to ensure food security. Remote sensing plays a significant role for large-scale continuous monitoring of cultivation activities. Time series remote sensing data were used for the generation…

机器学习 · 计算机科学 2024-11-20 Kazi Hasibul Kabir , Md. Zahiruddin Aqib , Sharmin Sultana , Shamim Akhter

This paper introduces a generalised version of importance subsampling for time series reduction/aggregation in optimisation-based power system planning models. Recent studies indicate that reliably determining optimal electricity…

应用统计 · 统计学 2020-08-26 Adriaan P Hilbers , David J Brayshaw , Axel Gandy

Accurate global crop type mapping supports agricultural monitoring and food security, yet remains limited by the scarcity of labeled data in many regions. A key challenge is enabling models trained in one geography to generalize reliably to…

机器学习 · 计算机科学 2026-04-15 Xin-Yi Tong , Sherrie Wang

Uninterrupted optical image time series are crucial for the timely monitoring of agricultural land changes, particularly in grasslands. However, the continuity of such time series is often disrupted by clouds. In response to this challenge,…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Iason Tsardanidis , Alkiviadis Koukos , Vasileios Sitokonstantinou , Thanassis Drivas , Charalampos Kontoes

Central to Earth observation is the trade-off between spatial and temporal resolution. For temperature, this is especially critical because real-world applications require high spatiotemporal resolution data. Current technology allows for…

图像与视频处理 · 电气工程与系统科学 2025-07-15 Shengjie Liu , Lu Zhang , Siqin Wang

Genomic selection (GS), as a critical crop breeding strategy, plays a key role in enhancing food production and addressing the global hunger crisis. The predominant approaches in GS currently revolve around employing statistical methods for…

机器学习 · 计算机科学 2024-06-25 Renqi Chen , Wenwei Han , Haohao Zhang , Haoyang Su , Zhefan Wang , Xiaolei Liu , Hao Jiang , Wanli Ouyang , Nanqing Dong

Solar thermal systems (STS) present a promising avenue for low-carbon heat generation, with a well-running system providing heat at minimal cost and carbon emissions. However, STS can exhibit faults due to improper installation,…

系统与控制 · 电气工程与系统科学 2025-11-14 Florian Ebmeier , Nicole Ludwig , Jannik Thuemmel , Georg Martius , Volker H. Franz

Mainstream unsupervised anomaly detection algorithms often excel in academic datasets, yet their real-world performance is restricted due to the controlled experimental conditions involving clean training data. Addressing the challenge of…

机器学习 · 计算机科学 2025-05-13 Thi Kieu Khanh Ho , Narges Armanfard

The availability of massive earth observing satellite data provide huge opportunities for land use and land cover mapping. However, such mapping effort is challenging due to the existence of various land cover classes, noisy data, and the…

计算机视觉与模式识别 · 计算机科学 2021-09-29 Rahul Ghosh , Praveen Ravirathinam , Xiaowei Jia , Chenxi Lin , Zhenong Jin , Vipin Kumar

Existing Deep Neural Nets on crops growth prediction mostly rely on availability of a large amount of data. In practice, it is difficult to collect enough high-quality data to utilize the full potential of these deep learning models. In…

机器学习 · 计算机科学 2022-02-25 Shengzhe Wang , Ling Wang , Zhihao Lin , Xi Zheng

Traditional soil sampling and analysis methods are labor-intensive, time-consuming, and limited in spatial resolution, making them unsuitable for large-scale precision agriculture. To address these limitations, we present a robotic solution…

Accurate thermospheric density prediction is crucial for reliable satellite operations in Low Earth Orbits, especially at high solar and geomagnetic activity. Physics-based models such as TIE-GCM offer high fidelity but are computationally…

空间物理 · 物理学 2026-03-30 Cedric Bös , Alessandro Bortotto , Mohamed Khalil Ben-Larbi

Detecting anomalies has become an increasingly critical function in the financial service industry. Anomaly detection is frequently used in key compliance and risk functions such as financial crime detection fraud and cybersecurity. The…

机器学习 · 计算机科学 2023-12-29 Hongda Shen , Eren Kurshan

Irregularly sampled time series data arise naturally in many application domains including biology, ecology, climate science, astronomy, and health. Such data represent fundamental challenges to many classical models from machine learning…

机器学习 · 计算机科学 2021-01-07 Satya Narayan Shukla , Benjamin M. Marlin