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Deep Learning methods are notorious for relying on extensive labeled datasets to train and assess their performance. This can cause difficulties in practical situations where models should be trained for new applications for which very…

Semantic segmentation requires pixel-level annotation, which is time-consuming. Active Learning (AL) is a promising method for reducing data annotation costs. Due to the gap between aerial and natural images, the previous AL methods are not…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Lianlei Shan , Weiqiang Wang , Ke Lv , Bin Luo

Tree species identification using bark images is a challenging problem that could prove useful for many forestry related tasks. However, while the recent progress in deep learning showed impressive results on standard vision problems, a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Mathieu Carpentier , Philippe Giguère , Jonathan Gaudreault

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 absorption spectroscopy (LAS) is a well-established technique for non-intrusive measurement of gas species in combustion and atmospheric environments, but conventional methods struggle with multi-species mixtures under dynamic or…

Optics · Physics 2026-05-05 Mohamed Sy

Airborne laser scanning (LiDAR) point clouds over large forested areas can be processed to segment individual trees and subsequently extract tree-level information. Existing segmentation procedures typically detect more than 90% of…

Computer Vision and Pattern Recognition · Computer Science 2017-08-04 Hamid Hamraz , Marco A. Contreras , Jun Zhang

Robotic weed control has seen increased research of late with its potential for boosting productivity in agriculture. Majority of works focus on developing robotics for croplands, ignoring the weed management problems facing rangeland stock…

Borneo contains some of the world's most biodiverse and carbon dense tropical forest, but this 750,000-km2 island has lost 62% of its old-growth forests within the last 40 years. Efforts to protect and restore the remaining forests of…

This paper presents an autonomous approach to tree detection and segmentation in high resolution airborne LiDAR that utilises state-of-the-art region-based CNN and 3D-CNN deep learning algorithms. If the number of training examples for a…

Robotics · Computer Science 2018-10-31 Lloyd Windrim , Mitch Bryson

Multisource image analysis that leverages complementary spectral, spatial, and structural information benefits fine-grained object recognition that aims to classify an object into one of many similar subcategories. However, for multisource…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Bulut Aygunes , Ramazan Gokberk Cinbis , Selim Aksoy

Monitoring forest dynamics at an individual tree scale is essential for accurately assessing ecosystem responses to climate change, yet traditional methods relying on field-based forest inventories are labor-intensive and limited in spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Matthew J. Allen , Harry J. F. Owen , Stuart W. D. Grieve , Emily R. Lines

Semantic segmentation of aerial point cloud data can be utilised to differentiate which points belong to classes such as ground, buildings, or vegetation. Point clouds generated from aerial sensors mounted to drones or planes can utilise…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Matthew Howe , Boris Repasky , Timothy Payne

Despite the popularity of deep neural networks in various domains, the extraction of digital terrain models (DTMs) from airborne laser scanning (ALS) point clouds is still challenging. This might be due to the lack of dedicated large-scale…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Hoàng-Ân Lê , Florent Guiotte , Minh-Tan Pham , Sébastien Lefèvre , Thomas Corpetti

There are numerous emerging applications for digitizing trees using terrestrial and aerial laser scanning, particularly in the fields of agriculture and forestry. Interpretation of LiDAR point clouds is increasingly relying on data-driven…

Image and Video Processing · Electrical Eng. & Systems 2020-11-25 Fredrik Westling , Mitch Bryson , James Underwood

With recent developments in remote sensing technologies, plot-level forest resources can be predicted utilizing airborne laser scanning (ALS). The prediction is often assisted by mostly vertical summaries of the ALS point clouds. We present…

Applications · Statistics 2021-05-03 Henrike Häbel , András Balázs , Mari Myllymäki

Unmanned Aerial Vehicles (UAVs) are considered cutting-edge technology with highly cost-effective and flexible usage scenarios. Although many papers have reviewed the application of UAVs in agriculture, the review of the application for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Weijie Kuang , Hann Woei Ho , Ye Zhou , Shahrel Azmin Suandi , Farzad Ismail

Digital twins require continuous maintenance to meet the increasing demand for high-precision geospatial data. However, traditional coarse CityGML building models, typically derived from Airborne Laser Scanning (ALS), often exhibit…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Xiaoyu Huang

Multitask learning is a widely recognized technique in the field of computer vision and deep learning domain. However, it is still a research question in remote sensing, particularly for hyperspectral imaging. Moreover, most of the research…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Koushikey Chhapariya , Alexandre Benoit , Krishna Mohan Buddhiraju , Anil Kumar

Three-dimensional (3D) point cloud analysis has become central to applications ranging from autonomous driving and robotics to forestry and ecological monitoring. Although numerous deep learning methods have been proposed for point cloud…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Said Ohamouddou , Hanaa El Afia , Abdellatif El Afia , Raddouane Chiheb

We present a curated multi-platform LiDAR reference dataset from an instrumented ICOS forest plot, explicitly designed to support calibration, benchmarking, and integration of 3D structural data with ecological observations and standard…

Robotics · Computer Science 2026-04-17 Michael R. Chang , Anna Candotti , Karl von Ellenrieder , Enrico Tomelleri , Marco Camurri