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A novel algorithm is developed to downscale soil moisture (SM), obtained at satellite scales of 10-40 km by utilizing its temporal correlations to historical auxiliary data at finer scales. Including such correlations drastically reduces…

计算机视觉与模式识别 · 计算机科学 2016-01-22 Subit Chakrabarti , Jasmeet Judge , Tara Bongiovanni , Anand Rangarajan , Sanjay Ranka

We address the essential role of information retrieval in enhancing climate downscaling, focusing on the need for high-resolution datasets and the application of deep learning models. We explore the requirements for acquiring detailed…

大气与海洋物理 · 物理学 2024-06-03 Declan Curran , Hira Saleem , Flora Salim

We consider random forests and LASSO methods for model-based small area estimation when the number of areas with sampled data is a small fraction of the total areas for which estimates are required. Abundant auxiliary information is…

Thousands of scanned historical topographic maps contain valuable information covering long periods of time, such as how the hydrography of a region has changed over time. Efficiently unlocking the information in these maps requires…

图像与视频处理 · 电气工程与系统科学 2021-12-14 Weiwei Duan , Yao-Yi Chiang , Stefan Leyk , Johannes H. Uhl , Craig A. Knoblock

Access to below-canopy volumetric vegetation data is crucial for understanding ecosystem dynamics. We address the long-standing limitation of remote sensing to penetrate deep into dense canopy layers. LiDAR and radar are currently…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Mohamed Youssef , Jian Peng , Oliver Bimber

A central theme in phylogenetics is the reconstruction and analysis of evolutionary trees from a given set of data. To determine the optimal search methods for reconstructing trees, it is crucial to understand the size and structure of the…

种群与进化 · 定量生物学 2016-08-15 Jamie V. de Jong , Jeanette C McLeod , Mike Steel

This Special Issue of the Astrophysical Journal Letters is dedicated to presenting initial results from the Great Observatories Origins Deep Survey (GOODS) that are primarily, but not exclusively, based on multi--band imaging data obtained…

天体物理学 · 物理学 2009-11-10 M. Giavalisco , the GOODS Team

Air pollution forecasting is critical for proactive environmental management, yet data irregularities and scarcity remain major challenges in low-resource regions. Northern Nigeria faces high levels of air pollutants, but few studies have…

机器学习 · 计算机科学 2025-08-25 Habeeb Balogun , Yahaya Zakari

Despite recent advancements in computer vision research, object detection in aerial images still suffers from several challenges. One primary challenge to be mitigated is the presence of multiple types of variation in aerial images, for…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Sungjune Park , Hyunjun Kim , Beomchan Park , Yong Man Ro

One of the impacts of climate change is the difficulty of tree regrowth after wildfires over areas that traditionally were covered by certain tree species. Here a deep learning model is customized to classify land covers from four-band…

计算机视觉与模式识别 · 计算机科学 2020-11-13 Wang Zhou , Levente Klein

Mangroves are dynamic coastal ecosystems that are crucial to environmental health, economic stability, and climate resilience. The monitoring and preservation of mangroves are of global importance, with remote sensing technologies playing a…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Lucas José Velôso de Souza , Ingrid Valverde Reis Zreik , Adrien Salem-Sermanet , Nacéra Seghouani , Lionel Pourchier

This study presents a comprehensive remote sensing analysis of rainfall patterns and selected hydropower reservoir water extent in two tropical monsoon countries, Vietnam and Sri Lanka. The aim is to understand the relationship between…

机器学习 · 计算机科学 2023-10-12 Punsisi Rajakaruna , Surajit Ghosh , Bunyod Holmatov

Human health is negatively impacted by poor air quality including increased risk for respiratory and cardiovascular disease. Due to a recent increase in extreme air quality events, both globally and locally in the United States, finer…

Given two multi-temporal aerial images, semantic change detection aims to locate the land-cover variations and identify their change types with pixel-wise boundaries. This problem is vital in many earth vision related tasks, such as precise…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Kunping Yang , Gui-Song Xia , Zicheng Liu , Bo Du , Wen Yang , Marcello Pelillo , Liangpei Zhang

Accurate and comprehensive measurements of a range of sustainable development outcomes are fundamental inputs into both research and policy. We synthesize the growing literature that uses satellite imagery to understand these outcomes, with…

计算机与社会 · 计算机科学 2020-10-15 Marshall Burke , Anne Driscoll , David B. Lobell , Stefano Ermon

When an individual purchases a home, they simultaneously purchase its structural features, its accessibility to work, and the neighborhood amenities. Some amenities, such as air quality, are measurable while others, such as the prestige or…

计量经济学 · 经济学 2019-10-22 Stephen Law , Brooks Paige , Chris Russell

Robots responsible for tasks over long time scales must be able to localize consistently and scalably amid geometric, viewpoint, and appearance changes. Existing visual SLAM approaches rely on low-level feature descriptors that are not…

机器人学 · 计算机科学 2023-10-24 Amanda Adkins , Taijing Chen , Joydeep Biswas

In recent years, landslide disasters have reported frequently due to the extreme weather events of droughts, floods , storms, or the consequence of human activities such as deforestation, excessive exploitation of natural resources.…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Lam Pham , Cam Le , Hieu Tang , Khang Truong , Truong Nguyen , Jasmin Lampert , Alexander Schindler , Martin Boyer , Son Phan

Accurate and consistent mapping of urban and rural areas is crucial for sustainable development, spatial planning, and policy design. It is particularly important in simulating the complex interactions between human activities and natural…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Mohammad Kakooei , James Bailie , Markus B. Pettersson , Albin Söderberg , Albin Becevic , Adel Daoud

Dropout Variational Inference, or Dropout Sampling, has been recently proposed as an approximation technique for Bayesian Deep Learning and evaluated for image classification and regression tasks. This paper investigates the utility of…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Dimity Miller , Lachlan Nicholson , Feras Dayoub , Niko Sünderhauf