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We present an approach to leaf level segmentation of images of Arabidopsis thaliana plants based upon detected edges. We introduce a novel approach to edge classification, which forms an important part of a method to both count the leaves…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Jonathan Bell , Hannah M. Dee

Registration of unmanned aerial vehicle laser scanning (ULS) and ground light detection and ranging (LiDAR) point clouds in forests is critical to create a detailed representation of a forest structure and an accurate inversion of forest…

Computer Vision and Pattern Recognition · Computer Science 2022-01-28 Jie Shao , Wei Yao , Peng Wan , Lei Luo , Jiaxin Lyu , Wuming Zhang

This paper introduces Weighted Optimal Classification Forests (WOCFs), a new family of classifiers that takes advantage of an optimal ensemble of decision trees to derive accurate and interpretable classifiers. We propose a novel…

Optimization and Control · Mathematics 2024-12-02 Víctor Blanco , Alberto Japón , Justo Puerto , Peter Zhang

Besides serving as prediction models, classification trees are useful for finding important predictor variables and identifying interesting subgroups in the data. These functions can be compromised by weak split selection algorithms that…

Applications · Statistics 2010-11-03 Wei-Yin Loh

Early detection of wildfires is essential to prevent large-scale fires resulting in extensive environmental, structural, and societal damage. Uncrewed aerial vehicles (UAVs) can cover large remote areas effectively with quick deployment…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Julius Pesonen , Teemu Hakala , Väinö Karjalainen , Niko Koivumäki , Lauri Markelin , Anna-Maria Raita-Hakola , Juha Suomalainen , Ilkka Pölönen , Eija Honkavaara

Reliable large-scale data on the state of forests is crucial for monitoring ecosystem health, carbon stock, and the impact of climate change. Current knowledge of tree species distribution relies heavily on manual data collection in the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Hongjin Lin , Matthew Nazari , Derek Zheng

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

This paper proposes a multi-spectral random forest classifier with suitable feature selection and masking for tree cover estimation in urban areas. The key feature of the proposed classifier is filtering out the built-up region using…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Usman Nazir , Momin Uppal , Muhammad Tahir , Zubair Khalid

We introduce a novel deep learning method for detection of individual trees in urban environments using high-resolution multispectral aerial imagery. We use a convolutional neural network to regress a confidence map indicating the locations…

Mapping standing dead trees is critical for assessing forest health, monitoring biodiversity, and mitigating wildfire risks, for which aerial imagery has proven useful. However, dense canopy structures, spectral overlaps between living and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Anis Ur Rahman , Einari Heinaro , Mete Ahishali , Samuli Junttila

Accurate and consistent methods for counting trees based on remote sensing data are needed to support sustainable forest management, assess climate change mitigation strategies, and build trust in tree carbon credits. Two-dimensional remote…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Lei Li , Tianfang Zhang , Zhongyu Jiang , Cheng-Yen Yang , Jenq-Neng Hwang , Stefan Oehmcke , Dimitri Pierre Johannes Gominski , Fabian Gieseke , Christian Igel

Logged forests cover four million square kilometres of the tropics and restoring these forests is essential if we are to avoid the worst impacts of climate change, yet monitoring recovery is challenging. Tracking the abundance of visually…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Jonathan Williams , Carola-Bibiane Schönlieb , Tom Swinfield , Bambang Irawan , Eva Achmad , Muhammad Zudhi , Habibi , Elva Gemita , David A. Coomes

In this paper, we present a method for detecting objects of interest, including cars, humans, and fire, in aerial images captured by unmanned aerial vehicles (UAVs) usually during vegetation fires. To achieve this, we use artificial neural…

Artificial Intelligence · Computer Science 2023-10-10 Hartmut Surmann , Artur Leinweber , Gerhard Senkowski , Julien Meine , Dominik Slomma

UAV-based image retrieval in modern agriculture enables gathering large amounts of spatially referenced crop image data. In large-scale experiments, however, UAV images suffer from containing a multitudinous amount of crops in a complex…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Maurice Günder , Facundo R. Ispizua Yamati , Jana Kierdorf , Ribana Roscher , Anne-Katrin Mahlein , Christian Bauckhage

Decision trees are widely used for non-linear modeling, as they capture interactions between predictors while producing inherently interpretable models. Despite their popularity, performing inference on the non-linear fit remains largely…

Methodology · Statistics 2026-04-14 Soham Bakshi , Snigdha Panigrahi

Automatic tree density estimation and counting using single aerial and satellite images is a challenging task in photogrammetry and remote sensing, yet has an important role in forest management. In this paper, we propose the first…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Hamed Amini Amirkolaee , Miaojing Shi , Mark Mulligan

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

Delineation approaches provide significant benefits to various domains, including agriculture, environmental and natural disasters monitoring. Most of the work in the literature utilize traditional segmentation methods that require a large…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Kostas Blekos , Stavros Nousias , Aris S Lalos

In this paper, we address the problem of adaptive path planning for accurate semantic segmentation of terrain using unmanned aerial vehicles (UAVs). The usage of UAVs for terrain monitoring and remote sensing is rapidly gaining momentum due…

Robotics · Computer Science 2021-08-05 Felix Stache , Jonas Westheider , Federico Magistri , Marija Popović , Cyrill Stachniss

In this paper, we propose a deep learning framework for the automated counting and geolocation of palm trees from aerial images using convolutional neural networks. For this purpose, we collected aerial images in a palm tree Farm in the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Adel Ammar , Anis Koubaa