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Gaussian process regression (GPR) is a fundamental model used in machine learning. Owing to its accurate prediction with uncertainty and versatility in handling various data structures via kernels, GPR has been successfully used in various…

Machine Learning · Computer Science 2021-12-16 Yuya Yoshikawa , Tomoharu Iwata

For optimizing production yield while limiting negative environmental impact, sustainable agriculture benefits greatly from real-time, on-the-spot analysis of soil at low cost. Colorimetric paper sensors are ideal candidates for cheap and…

Estimation of a single leaf area can be a measure of crop growth and a phenotypic trait to breed new varieties. It has also been used to measure leaf area index and total leaf area. Some studies have used hand-held cameras, image processing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Namal Jayasuriya , Yi Guo , Wen Hu , Oula Ghannoum

We aim to identify the spatial distribution of vegetation and its growth dynamics with the purpose of obtaining a qualitative assessment of vegetation characteristics tied to its condition, productivity and health, and to land degradation.…

Statistical Mechanics · Physics 2024-09-16 Hediye Yarahmadi , Yves Desille , John Goold , Francesca Pietracaprina

Soybean is one of the ten greatest crops in the world, answering for billion-dollar businesses every year. This crop suffers from insect herbivory that costs millions from producers. Hence, constant monitoring of the crop foliar damage is…

Computer Vision and Pattern Recognition · Computer Science 2016-09-28 Bruno Machado , Jonatan Orue , Mauro Arruda , Cleidimar Santos , Diogo Sarath , Wesley Goncalves , Gercina Silva , Hemerson Pistori , Antonia Roel , Jose Rodrigues-Jr

The estimation of unknown parameters in nonlinear partial differential equations (PDEs) offers valuable insights across a wide range of scientific domains. In this work, we focus on estimating plant root parameters in the Richards equation,…

Methodology · Statistics 2025-10-28 Yumo Yang , Anass Ben Bouazza , Xuejun Dong , Quan Zhou

With current and upcoming imaging spectrometers, automated band analysis techniques are needed to enable efficient identification of most informative bands to facilitate optimized processing of spectral data into estimates of biophysical…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Jochem Verrelst , Juan Pablo Rivera , Anatoly Gitelson , Jesus Delegido , José Moreno , Gustau Camps-Valls

Earth observation from satellite sensory data poses challenging problems, where machine learning is currently a key player. In recent years, Gaussian Process (GP) regression has excelled in biophysical parameter estimation tasks from…

Gaussian processes (GPs) are a class of Kernel methods that have shown to be very useful in geoscience and remote sensing applications for parameter retrieval, model inversion, and emulation. They are widely used because they are simple,…

Machine Learning · Computer Science 2020-05-21 J. Emmanuel Johnson , Valero Laparra , Gustau Camps-Valls

Regressions are commonly used in environmental science and economics to identify causal or associative relationships between variables. In these settings, remote sensing-derived map products increasingly serve as sources of variables,…

Applications · Statistics 2025-07-04 Kerri Lu , Dan M. Kluger , Stephen Bates , Sherrie Wang

Machine learning models with both good predictability and high interpretability are crucial for decision support systems. Linear regression is one of the most interpretable prediction models. However, the linearity in a simple linear…

Machine Learning · Statistics 2022-04-29 Lkhagvadorj Munkhdalai , Tsendsuren Munkhdalai , Keun Ho Ryu

The Leaf Area Index (LAI) is vital for predicting winter wheat yield. Acquisition of crop conditions via Sentinel-2 remote sensing images can be hindered by persistent clouds, affecting yield predictions. Synthetic Aperture Radar (SAR)…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 W. Zhao , F. Yin , H. Ma , Q. Wu , J. Gomez-Dans , P. Lewis

We propose a probabilistic model for inferring the multivariate function from multiple areal data sets with various granularities. Here, the areal data are observed not at location points but at regions. Existing regression-based models can…

Detecting changes on the Earth, such as urban development, deforestation, or natural disaster, is one of the research fields that is attracting a great deal of attention. One promising tool to solve these problems is satellite imagery.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Waku Hatakeyama , Shirou Kawakita , Ryohei Izawa , Masanari Kimura

Accurately predicting the future capacity and remaining useful life of batteries is necessary to ensure reliable system operation and to minimise maintenance costs. The complex nature of battery degradation has meant that mechanistic…

Applications · Statistics 2017-06-01 Robert R. Richardson , Michael A. Osborne , David A. Howey

Timely and accurate land use mapping is a long-standing problem, which is critical for effective land and space planning and management. Due to complex and mixed use, it is challenging for accurate land use mapping from widely-used remote…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Qiaohua Zhou , Rui Cao

Occupancy mapping has been a key enabler of mobile robotics. Originally based on a discrete grid representation, occupancy mapping has evolved towards continuous representations that can predict the occupancy status at any location and…

Robotics · Computer Science 2025-06-17 Cedric Le Gentil , Cedric Pradalier , Timothy D. Barfoot

Ground Penetrating Radar (GPR) has been widely studied as a tool for extracting soil parameters relevant to agriculture and horticulture. When combined with Machine Learning (ML) methods, air-coupled Stepped Frequency Continuous Wave Ground…

Signal Processing · Electrical Eng. & Systems 2025-05-26 Chunlei Xu , Michael Pregesbauer , Naga Sravani Chilukuri , Daniel Windhager , Mahsa Yousefi , Pedro Julian , Lothar Ratschbacher

Monitoring vegetation dynamics is crucial for addressing global environmental challenges like degradation and deforestation, but traditional remote sensing methods are often complex and resource-intensive. To overcome these barriers, we…

Human-Computer Interaction · Computer Science 2025-09-03 Md. Moktader Moula , Israt Jahan Shonom , Azharul Islam , Mohammad Mosharraf Hossain

Identification, classification, and quantification of crop defects are of paramount of interest to the farmers for preventive measures and decrease the yield loss through necessary remedial actions. Due to the vast agricultural field,…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Asharf , Balasubramanian E , Sankarasrinivasan S