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Tree species classification plays an important role in nature conservation, forest inventories, forest management, and the protection of endangered species. Over the past four decades, remote sensing technologies have been extensively…

Machine Learning · Computer Science 2024-11-21 Colverd Grace , Schade Laura , Takami Jumpei , Bot Karol , Gallego Joseph

Weed and crop segmentation is becoming an increasingly integral part of precision farming that leverages the current computer vision and deep learning technologies. Research has been extensively carried out based on images captured with a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Junfeng Gao , Wenzhi Liao , David Nuyttens , Peter Lootens , Erik Alexandersson , Jan Pieters

This paper presents a comprehensive review of recent advancements in image processing and deep learning techniques for pavement distress detection and classification, a critical aspect in modern pavement management systems. The conventional…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Sizhe Guan , Haolan Liu , Hamid R. Pourreza , Hamidreza Mahyar

Automatic plant classification is a challenging problem due to the wide biodiversity of the existing plant species in a fine-grained scenario. Powerful deep learning architectures have been used to improve the classification performance in…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Voncarlos M. Araujo , Alceu S. Britto , Luiz E. S. Oliveira , Alessandro L. Koerich

Recent advances in deep learning have made it possible to quantify urban metrics at fine resolution, and over large extents using street-level images. Here, we focus on measuring urban tree cover using Google Street View (GSV) images.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Bill Yang Cai , Xiaojiang Li , Ian Seiferling , Carlo Ratti

Owing to effective and flexible data acquisition, unmanned aerial vehicle (UAV) has recently become a hotspot across the fields of computer vision (CV) and remote sensing (RS). Inspired by recent success of deep learning (DL), many advanced…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Xin Wu , Wei Li , Danfeng Hong , Ran Tao , Qian Du

This paper investigates tree species classification using Sentinel-2 multispectral satellite image time-series. Despite their critical importance for many applications, such maps are often unavailable, outdated, or inaccurate for large…

Image and Video Processing · Electrical Eng. & Systems 2024-11-28 Florian Mouret , David Morin , Milena Planells , Cécile Vincent-Barbaroux

Forest carbon offsets are increasingly popular and can play a significant role in financing climate mitigation, forest conservation, and reforestation. Measuring how much carbon is stored in forests is, however, still largely done via…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Gyri Reiersen , David Dao , Björn Lütjens , Konstantin Klemmer , Xiaoxiang Zhu , Ce Zhang

Biodiversity conservation depends on accurate, up-to-date information about wildlife population distributions. Motion-activated cameras, also known as camera traps, are a critical tool for population surveys, as they are cheap and…

Machine Learning · Computer Science 2019-10-23 Mohammad Sadegh Norouzzadeh , Dan Morris , Sara Beery , Neel Joshi , Nebojsa Jojic , Jeff Clune

Aerial imagery is increasingly used in Earth science and natural resource management as a complement to labor-intensive ground-based surveys. Aerial systems can collect overlapping images that provide multiple views of each location from…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 David Russell , Ben Weinstein , David Wettergreen , Derek Young

Terrestrial laser scanning technology provides an efficient and accuracy solution for acquiring three-dimensional information of plants. The leaf-wood classification of plant point cloud data is a fundamental step for some forestry and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Zichu Liu , Qing Zhang , Pei Wang , Yaxin Li , Jingqian Sun

Laser-scanned point clouds of forests make it possible to extract valuable information for forest management. To consider single trees, a forest point cloud needs to be segmented into individual tree point clouds. Existing segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Jonathan Henrich , Jan van Delden , Dominik Seidel , Thomas Kneib , Alexander Ecker

Unmanned aerial vehicles (UAVs) offer new opportunities for wildlife monitoring, with several advantages over traditional field-based methods. They have readily been used to count birds, marine mammals and large herbivores in different…

Computer Vision and Pattern Recognition · Computer Science 2017-09-07 Nicolas Rey , Michele Volpi , Stéphane Joost , Devis Tuia

Unmanned Aerial Vehicles (UAVs) equipped with high-resolution sensors enable extensive data collection from previously inaccessible areas at a remarkable spatio-temporal scale, promising to revolutionize fields such as precision agriculture…

Robotics · Computer Science 2024-07-19 Harnaik Dhami

Tree-based machine learning techniques, such as Decision Trees and Random Forests, are top performers in several domains as they do well with limited training datasets and offer improved interpretability compared to Deep Neural Networks…

Emerging Technologies · Computer Science 2021-10-27 Giacomo Pedretti , Catherine E. Graves , Can Li , Sergey Serebryakov , Xia Sheng , Martin Foltin , Ruibin Mao , John Paul Strachan

Aerial image segmentation is the basis for applications such as automatically creating maps or tracking deforestation. In true orthophotos, which are often used in these applications, many objects and regions can be approximated well by…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Daniel Gritzner , Jörn Ostermann

Natural forests are complex ecosystems whose tree species distribution and their ecosystem functions are still not well understood. Sustainable management of these forests is of high importance because of their significant role in climate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Sarah Kentsch , Savvas Karatsiolis , Andreas Kamilaris , Luca Tomhave , Maximo Larry Lopez Caceres

The rapid development of remote sensing technologies have gained significant attention due to their ability to accurately localize, classify, and segment objects from aerial images. These technologies are commonly used in unmanned aerial…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Zhipeng Chang , Siddharth Jha , Yunfei Xia

The detection of unmanned aerial vehicles (UAVs) is important for the protection of civilian and military infrastructure. In this paper we propose a cost effective UAV detection system using sound signals obtained from microphones. The…

Machine Learning · Computer Science 2026-05-27 Ungvári Gergő , Ferenc Braun , Attila Ámon , Péter Kackstädter , János Volk , Péter Kovács , Tamás Dózsa