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The use of machine learning (ML) techniques has allowed rapid advancements in many scientific and engineering fields. One of these problems is that of surface soil taxonomy, a research area previously hindered by the reliance on…

Machine Learning · Computer Science 2026-04-24 Haley Dozier , Althea Henslee , Ashley Abraham , Andrew Strelzoff , Mark Chappell

The absence of food monitoring has contributed significantly to the increase in the population's weight. Due to the lack of time and busy routines, most people do not control and record what is consumed in their diet. Some solutions have…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Charles N. C. Freitas , Filipe R. Cordeiro , Valmir Macario

Mycorrhizal fungi are vital to terrestrial ecosystem functioning. Yet monitoring their biodiversity at landscape scales is often unfeasible due to time and cost constraints. Current predictions suggest that 90\% of mycorrhizal diversity…

Footwear outsoles acquire characteristics unique to the individual wearing them over time. Forensic scientists largely rely on their skills and knowledge, gained through years of experience, to analyse such characteristics on a shoeprint.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Xavier Francis , Hamid Sharifzadeh , Angus Newton , Nilufar Baghaei , Soheil Varastehpour

Interactions between neighboring cells are essential for generating or refining patterns in a number of biological systems. We propose a discrete filtering approach to predict how networks of cells modulate spatially varying input signals…

Tissues and Organs · Quantitative Biology 2019-02-14 Melinda Liu Perkins , Murat Arcak

A filament consists of local maximizers of a smooth function $f$ when moving in a certain direction. A filamentary structure is an important feature of the shape of an object and is also considered as an important lower dimensional…

Statistics Theory · Mathematics 2020-03-26 Wei Li , Subhashis Ghosal

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

Machine Learning · Computer Science 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

One billion people live in informal settlements worldwide. The complex and multilayered spaces that characterize this unplanned form of urbanization pose a challenge to traditional approaches to mapping and morphological analysis. This…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Arianna Salazar Miranda , Guangyu Du , Claire Gorman , Fabio Duarte , Washington Fajardo , Carlo Ratti

Marine biogeochemical models are widely used to study nutrient dynamics, water quality, and climate-related processes in coastal and estuarine systems. However, developing models that reliably represent specific environments remains…

Geophysics · Physics 2026-03-17 Leticia Becher

Past efforts to interrogate the mantle's contribution to Earth's topography suffer from inadequate in-situ measurements of true bathymetry and the involvement of an empirical plate model whose presumed lithospheric density profile…

Geophysics · Physics 2023-06-27 Adam J. Stewart , Yanchong Li , Zebin Cao , Lijun Liu

Genomics methods have uncovered patterns in a range of biological systems, but obscure important aspects of cell behavior: the shape, relative locations of, movement of, and interactions between cells in space. Spatial technologies that…

Applications · Statistics 2023-10-17 Siddhartha G Jena , Archit Verma , Barbara E Engelhardt

The success of deep neural networks in image classification and learning can be partly attributed to the features they extract from images. It is often speculated about the properties of a low-dimensional manifold that models extract and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Roozbeh Yousefzadeh

Accurate weight estimation and morphometric analyses are useful in aquaculture for optimizing feeding, predicting harvest yields, identifying desirable traits for selective breeding, grading processes, and monitoring the health status of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Alzayat Saleh , Md Mehedi Hasan , Herman W Raadsma , Mehar S Khatkar , Dean R Jerry , Mostafa Rahimi Azghadi

The spatial dynamics of criminal activities has been recently studied through statistical physics methods; however, models and results have been focused on local scales (city level) and much less is known about these patterns at larger…

Physics and Society · Physics 2015-10-14 L. G. A. Alves , E. K. Lenzi , R. S. Mendes , H. V. Ribeiro

Real data is often given as a point cloud, i.e. a finite set of points with pairwise distances between them. An important problem is to detect the topological shape of data --- for example, to approximate a point cloud by a low-dimensional…

Algebraic Topology · Mathematics 2018-10-09 Sara Kalisnik Verovsek , Vitaliy Kurlin , Davorin Lesnik

Shape variability represents an important direct response of organisms to selective environments. Here, we use a combination of geometric morphometrics and generalised additive mixed models (GAMMs) to identify spatial patterns of natural…

Quantitative Methods · Quantitative Biology 2018-02-14 Luca Telesca , Kati Michalek , Trystan Sanders , Lloyd S. Peck , Jakob Thyrring , Elizabeth M. Harper

Soil texture is important for many environmental processes. In this paper, we study the classification of soil texture based on hyperspectral data. We develop and implement three 1-dimensional (1D) convolutional neural networks (CNN): the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Felix M. Riese , Sina Keller

The rapid global loss of biodiversity, particularly among insects, represents an urgent ecological crisis. Current methods for insect species discovery are manual, slow, and severely constrained by taxonomic expertise, hindering timely…

We present an innovative method called FilExSeC (Filaments Extraction, Selection and Classification), a data mining tool developed to investigate the possibility to refine and optimize the shape reconstruction of filamentary structures…

We propose a new image representation for texture categorization and facial analysis, relying on the use of higher-order local differential statistics as features. It has been recently shown that small local pixel pattern distributions can…

Computer Vision and Pattern Recognition · Computer Science 2015-10-05 Gaurav Sharma , Frederic Jurie