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Accurate weed management is essential for mitigating significant crop yield losses, necessitating effective weed suppression strategies in agricultural systems. Integrating cover crops (CC) offers multiple benefits, including soil erosion…

Robotics · Computer Science 2025-06-30 Joe Johnson , Phanender Chalasani , Arnav Shah , Ram L. Ray , Muthukumar Bagavathiannan

Monocular height estimation provides an efficient and cost-effective solution for three-dimensional perception in remote sensing. However, training deep neural networks for this task demands abundant annotated data, while high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Sining Chen , Yilei Shi , Xiao Xiang Zhu

We propose a novel, canopy density estimation solution using a 3D ray cloud representation for perennial horticultural crops at the field scale. To attain high spatial and temporal fidelity in field conditions, we propose the application of…

Robotics · Computer Science 2020-12-16 Thomas Lowe , Peyman Moghadam , Everard Edwards , Jason Williams

In this study the framework of the $\tau$-$\omega$ model is used to derive vegetation loss coefficients and canopy penetration depths from SMAP multi-temporal retrievals of vegetation optical depth, single scattering albedo and ICESat lidar…

Atmospheric and Oceanic Physics · Physics 2020-12-08 M. Baur , T. Jagdhuber , M. Link , M. Piles , D. Entekhabi , A. Fink

The global averaged civilian positioning accuracy is still at meter level for all existing Global Navigation Satellite Systems (GNSSs), and the performance is even worse in urban areas. At lower altitudes than satellites, high altitude…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Hongzhao Zheng , Mohamed Atia , Halim Yanikomeroglu

Estimating three-dimensional morphological traits such as volume from two-dimensional RGB images presents inherent challenges due to the loss of depth information, projection distortions, and occlusions under field conditions. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Olivia Zumsteg , Nico Graf , Aaron Haeusler , Norbert Kirchgessner , Nicola Storni , Lukas Roth , Andreas Hund

This research proposes "ForCM", a novel approach to forest cover mapping that combines Object-Based Image Analysis (OBIA) with Deep Learning (DL) using multispectral Sentinel-2 imagery. The study explores several DL models, including UNet,…

Reconstructing building wireframe from airborne LiDAR point clouds yields a compact, topology-centric representation that enables structural understanding beyond dense meshes. Yet a key limitation persists: conventional methods have failed…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Donghyun Kim , Chanyoung Kim , Youngjoong Kwon , Seong Jae Hwang

Vision-language models, such as CLIP, have achieved significant success in aligning visual and textual representations, becoming essential components of many multi-modal large language models (MLLMs) like LLaVA and OpenFlamingo. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Shizhan Gong , Yankai Jiang , Qi Dou , Farzan Farnia

Large-scale livestock operations pose significant risks to human health and the environment, while also being vulnerable to threats such as infectious diseases and extreme weather events. As the number of such operations continues to grow,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Oishee Bintey Hoque , Nibir Chandra Mandal , Kyle Luong , Amanda Wilson , Samarth Swarup , Madhav Marathe , Abhijin Adiga

Point clouds from Terrestrial Laser Scanning (TLS) are an increasingly popular source of data for studying plant structure and function but typically require extensive manual processing to extract ecologically important information. One key…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Harry J. F. Owen , Matthew J. A. Allen , Stuart W. D. Grieve , Phill Wilkes , Emily R. Lines

Accurate digital surface models (DSMs) are essential for many geospatial applications, including urban monitoring, environmental analyses, infrastructure management, and change detection. However, large-scale DSMs frequently contain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Osher Rafaeli , Tal Svoray , Ariel Nahlieli

Vehicles with prolonged autonomous missions have to maintain environment awareness by simultaneous localization and mapping (SLAM). Closed loop correction is substituted by interpolation in rigid body transformation space in order to…

Robotics · Computer Science 2021-01-06 Paavo Nevalainen , Parisa Movahedi , Jorge Peña Queralta , Tomi Westerlund , Jukka Heikkonen

Accurate change detection from satellite imagery is essential for monitoring rapid mass-movement hazards such as snow avalanches, which increasingly threaten human life, infrastructure, and ecosystems due to their rising frequency and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Mattia Gatti , Alberto Mariani , Ignazio Gallo , Fabiano Monti

Conservation and decision-making regarding forest resources necessitate regular forest inventory. Light detection and ranging (LiDAR) in laser scanning systems has gained significant attention over the past two decades as a remote and…

Image and Video Processing · Electrical Eng. & Systems 2025-07-14 Narges Takhtkeshha , Lauris Bocaux , Lassi Ruoppa , Fabio Remondino , Gottfried Mandlburger , Antero Kukko , Juha Hyyppä

Accurate 3D lane detection from monocular images presents significant challenges due to depth ambiguity and imperfect ground modeling. Previous attempts to model the ground have often used a planar ground assumption with limited degrees of…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Chaesong Park , Eunbin Seo , Jongwoo Lim

Statistical weak lensing by large-scale structure -- cosmic shear -- is a promising cosmological tool, which has motivated the design of several large upcoming surveys. Here, we present a measurement of cosmic shear using coadded Sloan…

Cosmology and Nongalactic Astrophysics · Physics 2011-12-15 Eric M. Huff , Tim Eifler , Christopher M. Hirata , Rachel Mandelbaum , David Schlegel , Uros Seljak

Estimating the heightmaps of buildings and vegetation in single remotely sensed images is a challenging problem. Effective solutions to this problem can comprise the stepping stone for solving complex and demanding problems that require 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Savvas Karatsiolis , Andreas Kamilaris

Nation-wide Sentinel-2 mosaics were used with National Forest Inventory (NFI) data for modelling and subsequent mapping of spruce, pine and deciduous forest in Norway in 16 m $\times$ 16 m resolution. The accuracies of the best model ranged…

Detecting missing persons in forest environments remains a challenge, as dense canopy cover often conceals individuals from detection in top-down or oblique aerial imagery typically captured by Unmanned Aerial Vehicles (UAVs). While UAVs…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Deokyun Kim , Jeongjun Lee , Jungwon Choi , Jonggeon Park , Giyoung Lee , Yookyung Kim , Myungseok Ki , Juho Lee , Jihun Cha