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Scene categorization (SC) in remotely acquired images is an important subject with broad consequences in different fields, including catastrophe control, ecological observation, architecture for cities, and more. Nevertheless, its several…

Scalable kernel methods, including kernel ridge regression, often rely on low-rank matrix approximations using the Nystrom method, which involves selecting landmark points from large data sets. The existing approaches to selecting landmarks…

Machine Learning · Computer Science 2020-09-22 Farhad Pourkamali-Anaraki , Mohammad Amin Hariri-Ardebili , Lydia Morawiec

Estimating the geographical range of a species from sparse observations is a challenging and important geospatial prediction problem. Given a set of locations where a species has been observed, the goal is to build a model to predict…

Developing accurate models of crop stress, phenology and productivity is of paramount importance, given the increasing need of food. Earth observation remote sensing data provides a unique source of information to monitor crops in a…

Signal Processing · Electrical Eng. & Systems 2020-12-14 Anna Mateo-Sanchis , Maria Piles , Jordi Muñoz-Marí , Jose E. Adsuara , Adrián Pérez-Suay , Gustau Camps-Valls

We obtain upper bounds for the estimation error of Kernel Ridge Regression (KRR) for all non-negative regularization parameters, offering a geometric perspective on various phenomena in KRR. As applications: 1. We address the multiple…

Statistics Theory · Mathematics 2024-10-10 Georgios Gavrilopoulos , Guillaume Lecué , Zong Shang

Detecting and quantifying marine pollution and macro-plastics is an increasingly pressing ecological issue that directly impacts ecology and human health. Efforts to quantify marine pollution are often conducted with sparse and expensive…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Marc Rußwurm , Sushen Jilla Venkatesa , Devis Tuia

This paper carries out a large dimensional analysis of a variation of kernel ridge regression that we call \emph{centered kernel ridge regression} (CKRR), also known in the literature as kernel ridge regression with offset. This modified…

Machine Learning · Statistics 2020-04-22 Khalil Elkhalil , Abla Kammoun , Xiangliang Zhang , Mohamed-Slim Alouini , Tareq Al-Naffouri

The widespread use of Exogenous Organic Matter in agriculture necessitates monitoring to assess its effects on soil and crop health. This study evaluates optical Sentinel-2 satellite imagery for detecting digestate application, a practice…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Andreas Kalogeras , Dimitrios Bormpoudakis , Iason Tsardanidis , Dimitra A. Loka , Charalampos Kontoes

Gridded satellite precipitation datasets are useful in hydrological applications as they cover large regions with high density. However, they are not accurate in the sense that they do not agree with ground-based measurements. An…

Atmospheric and Oceanic Physics · Physics 2023-03-06 Georgia Papacharalampous , Hristos Tyralis , Anastasios Doulamis , Nikolaos Doulamis

Shrimp is one of the most widely consumed aquatic species globally, valued for both its nutritional content and economic importance. Shrimp farming represents a significant source of income in many regions; however, like other forms of…

Machine Learning · Computer Science 2026-01-06 Israk Hasan Jone , D. M. Rafiun Bin Masud , Promit Sarker , Sayed Fuad Al Labib , Nazmul Islam , Farhad Billah

Ocean warming significantly affects the fishing industry, with species like Scottish herring and mackerel migrating northwards. Our research, a fusion of artificial intelligence, data science, and operations research, addresses this crisis.…

Applications · Statistics 2024-02-27 Liguo Chen , Hongyang Hua , Xinyue Luo , Guoli Xu , Xu Yan

Accurate estimation of building heights is essential for urban planning, infrastructure management, and environmental analysis. In this study, we propose a supervised Multimodal Building Height Regression Network (MBHR-Net) for estimating…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Ritu Yadav , Andrea Nascetti , Yifang Ban

Shellfish production constitutes an important sector for the economy of many Portuguese coastal regions, yet the challenge of shellfish biotoxin contamination poses both public health concerns and significant economic risks. Thus,…

Machine Learning · Computer Science 2023-11-28 Sergio Tavares , Pedro R. Costa , Ludwig Krippahl , Marta B. Lopes

Landslides represent a major geohazard with severe impacts on human life, infrastructure, and ecosystems, underscoring the need for accurate and timely detection approaches to support disaster risk reduction. This study proposes a modular,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Ioannis Nasios

Given a sufficiently large training dataset, it is relatively easy to train a modern convolution neural network (CNN) as a required image classifier. However, for the task of fish classification and/or fish detection, if a CNN was trained…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Dmitry A. Konovalov , Alzayat Saleh , Michael Bradley , Mangalam Sankupellay , Simone Marini , Marcus Sheaves

Hydropower dams and reservoirs have been identified as the main factors redefining natural hydrological cycles. Therefore, monitoring water status in reservoirs plays a crucial role in planning and managing water resources, as well as…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Thai-Bao Duong-Nguyen , Thien-Nu Hoang , Phong Vo , Hoai-Bac Le

Illegal, unreported, and unregulated (IUU) fishing causes global economic losses of 10-25 billion USD annually and undermines marine sustainability and governance. Synthetic Aperture Radar (SAR) provides reliable maritime surveillance under…

The choice of representation for geographic location significantly impacts the accuracy of models for a broad range of geospatial tasks, including fine-grained species classification, population density estimation, and biome classification.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Aayush Dhakal , Srikumar Sastry , Subash Khanal , Adeel Ahmad , Eric Xing , Nathan Jacobs

Non-extractive fish abundance estimation with the aid of visual analysis has drawn increasing attention. Unstable illumination, ubiquitous noise and low frame rate video capturing in the underwater environment, however, make conventional…

Computer Vision and Pattern Recognition · Computer Science 2015-04-16 Meng-Che Chuang , Jenq-Neng Hwang , Kresimir Williams , Richard Towler

Monitoring water contaminants is of paramount importance, ensuring public health and environmental well-being. Turbidity, a key parameter, poses a significant problem, affecting water quality. Its accurate assessment is crucial for…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Francesca Razzano , Francesco Mauro , Pietro Di Stasio , Gabriele Meoni , Marco Esposito , Gilda Schirinzi , Silvia Liberata Ullo