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Vehicle detection and tracking is a core ingredient for developing autonomous driving applications in urban scenarios. Recent image-based Deep Learning (DL) techniques are obtaining breakthrough results in these perceptive tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-08-27 Victor Vaquero , Ivan del Pino , Francesc Moreno-Noguer , Joan Solà , Alberto Sanfeliu , Juan Andrade-Cetto

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…

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

Over the past few years, there has been remarkable progress in research on 3D point clouds and their use in autonomous driving scenarios has become widespread. However, deep learning methods heavily rely on annotated data and often face…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Jin Fang , Dingfu Zhou , Jingjing Zhao , Chenming Wu , Chulin Tang , Cheng-Zhong Xu , Liangjun Zhang

The 3D structure of living and non-living components in ecosystems plays a critical role in determining ecological processes and feedbacks from both natural and human-driven disturbances. Anticipating the effects of wildfire, drought,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Juan Castorena , E. Louise Loudermilk , Scott Pokswinski , Rodman Linn

Wood-leaf classification is an essential and fundamental prerequisite in the analysis and estimation of forest attributes from terrestrial laser scanning (TLS) point clouds,including critical measurements such as diameter at breast…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Hanlong Li , Pei Wang , Yuhan Wu , Jing Ren , Yuhang Gao , Lingyun Zhang , Mingtai Zhang , Wenxin Chen

In this paper, we propose DeepTree, a novel method for modeling trees based on learning developmental rules for branching structures instead of manually defining them. We call our deep neural model situated latent because its behavior is…

Machine Learning · Computer Science 2023-05-10 Xiaochen Zhou , Bosheng Li , Bedrich Benes , Songlin Fei , Sören Pirk

Label distribution learning (LDL) is a general learning framework, which assigns to an instance a distribution over a set of labels rather than a single label or multiple labels. Current LDL methods have either restricted assumptions on the…

Machine Learning · Computer Science 2017-10-18 Wei Shen , Kai Zhao , Yilu Guo , Alan Yuille

Place recognition is essential to maintain global consistency in large-scale localization systems. While research in urban environments has progressed significantly using LiDARs or cameras, applications in natural forest-like environments…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Yanqing Shen , Turcan Tuna , Marco Hutter , Cesar Cadena , Nanning Zheng

Seagrass meadows play a crucial role in marine ecosystems, providing benefits such as carbon sequestration, water quality improvement, and habitat provision. Monitoring the distribution and abundance of seagrass is essential for…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Jannik Elsäßer , Laura Weihl , Veronika Cheplygina , Lisbeth Tangaa Nielsen

We present a powerful method to extract per-point semantic class labels from aerialphotogrammetry data. Labeling this kind of data is important for tasks such as environmental modelling, object classification and scene understanding. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2017-05-24 Carlos Becker , Nicolai Häni , Elena Rosinskaya , Emmanuel d'Angelo , Christoph Strecha

There is a growing demand for accurate high-resolution land cover maps in many fields, e.g., in land-use planning and biodiversity conservation. Developing such maps has been performed using Object-Based Image Analysis (OBIA) methods, which…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Emilio Guirado , Siham Tabik , Domingo Alcaraz-Segura , Javier Cabello , Francisco Herrera

Automatic monitoring of tree plantations plays a crucial role in agriculture. Flawless monitoring of tree health helps farmers make informed decisions regarding their management by taking appropriate action. Use of drone images for…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Yashwanth Karumanchi , Gudala Laxmi Prasanna , Snehasis Mukherjee , Nagesh Kolagani

Automated segmentation of individual leaves of a plant in an image is a prerequisite to measure more complex phenotypic traits in high-throughput phenotyping. Applying state-of-the-art machine learning approaches to tackle leaf instance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Daniel Ward , Peyman Moghadam , Nicolas Hudson

Trees Outside Forests (TOF) play an important role in agricultural landscapes by supporting biodiversity, sequestering carbon, and regulating microclimates. Yet, most studies have treated TOF as a single class or relied on rigid rule-based…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Moritz Lucas , Hamid Ebrahimy , Viacheslav Barkov , Ralf Pecenka , Kai-Uwe Kühnberger , Björn Waske

The collection of a high number of pixel-based labeled training samples for tree species identification is time consuming and costly in operational forestry applications. To address this problem, in this paper we investigate the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Steve Ahlswede , Nimisha Thekke-Madam , Christian Schulz , Birgit Kleinschmit , Begüm Demir

Recent developments in the 3D scanning technologies have made the generation of highly accurate 3D point clouds relatively easy but the segmentation of these point clouds remains a challenging area. A number of techniques have set precedent…

Computer Vision and Pattern Recognition · Computer Science 2018-06-25 Omair Hassaan , Abeera Shamail , Zain Butt , Murtaza Taj

Pith detection in tree cross-sections is essential for forestry and wood quality analysis but remains a manual, error-prone task. This study evaluates deep learning models -- YOLOv9, U-Net, Swin Transformer, DeepLabV3, and Mask R-CNN -- to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Tzu-I Liao , Mahmoud Fakhry , Jibin Yesudas Varghese

Accurate classification of tropical tree species from unoccupied aerial vehicle (UAV) imagery remains challenging due to high species diversity and strong visual similarity among species at typical image resolutions (centimeters per pixel).…

Developing a robust algorithm for automatic individual tree crown (ITC) detection from laser scanning datasets is important for tracking the responses of trees to anthropogenic change. Such approaches allow the size, growth and mortality of…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Jonathan Williams , Carola-Bibiane Schönlieb , Tom Swinfield , Juheon Lee , Xiaohao Cai , Lan Qie , David A. Coomes