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Close-range laser scanning provides detailed 3D captures of forest stands but requires efficient software for processing 3D point cloud data and extracting individual trees. Although recent studies have introduced deep learning methods for…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Josafat-Mattias Burmeister , Andreas Tockner , Stefan Reder , Markus Engel , Rico Richter , Jan-Peter Mund , Jürgen Döllner

The purpose of this study was to investigate the use of deep learning for coniferous/deciduous classification of individual trees from airborne LiDAR data. To enable efficient processing by a deep convolutional neural network (CNN), we…

Machine Learning · Computer Science 2018-02-27 Hamid Hamraz , Nathan B. Jacobs , Marco A. Contreras , Chase H. Clark

Incorporating deep learning (DL) classification models into unmanned aerial vehicles (UAVs) can significantly augment search-and-rescue operations and disaster management efforts. In such critical situations, the UAV's ability to promptly…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Gao Yu Lee , Tanmoy Dam , Md Meftahul Ferdaus , Daniel Puiu Poenar , Vu N. Duong

3D object classification is a crucial problem due to its significant practical relevance in many fields, including computer vision, robotics, and autonomous driving. Although deep learning methods applied to point clouds sampled on CAD…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Anirban Ghosh , Ayan Dutta

Vegetation is crucial for sustainable and resilient cities providing various ecosystem services and well-being of humans. However, vegetation is under critical stress with rapid urbanization and expanding infrastructure footprints.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Aditya Aditya , Bharat Lohani , Jagannath Aryal , Stephan Winter

Understanding forest health is of great importance for the conservation of the integrity of forest ecosystems. In this regard, evaluating the amount and quality of dead wood is of utmost interest as they are favorable indicators of…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Tsz Chung Wong , Abubakar Sani-Mohammed , Jinhong Wang , Puzuo Wang , Wei Yao , Marco Heurich

Cotton crops, often called "white gold," face significant production challenges, primarily due to various leaf-affecting diseases. As a major global source of fiber, timely and accurate disease identification is crucial to ensure optimal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Aswini Kumar Patra , Tejashwini Gajurel

Accurate identification of wood species plays a critical role in ecological monitoring, biodiversity conservation, and sustainable forest management. Traditional classification approaches relying on macroscopic and microscopic inspection…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Tianyu Song , Van-Doan Duong , Thi-Phuong Le , Ton Viet Ta

Learning discriminative feature directly on point clouds is still challenging in the understanding of 3D shapes. Recent methods usually partition point clouds into local region sets, and then extract the local region features with…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Xinhai Liu , Zhizhong Han , Fangzhou Hong , Yu-Shen Liu , Matthias Zwicker

Accurate fine-grained tree species classification is critical for forest inventory and biodiversity monitoring. Existing methods predominantly focus on designing complex architectures to fit local data distributions. However, they often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-26 Chen Long , Dian Chen , Ruifei Ding , Zhe Chen , Zhen Dong , Bisheng Yang

Precision weed management offers a promising solution for sustainable cropping systems through the use of chemical-reduced/non-chemical robotic weeding techniques, which apply suitable control tactics to individual weeds. Therefore,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Dong Chen , Yuzhen Lu , Zhaojiang Li , Sierra Young

High resolution phenotyping at the level of individual leaves offers fine-grained insights into plant development and stress responses. However, the full potential of accurate leaf tracking over time remains largely unexplored due to the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Shanghua Liu , Majharulislam Babor , Christoph Verduyn , Breght Vandenberghe , Bruno Betoni Parodi , Cornelia Weltzien , Marina M. -C. Höhne

Accurate tree detection is of growing importance in applications such as urban planning, forest inventory, and environmental monitoring. In this article, we present an approach to creating tree maps by annotating them in 3D point clouds.…

Information Retrieval · Computer Science 2023-08-29 Michael Kölle , Volker Walter , Ivan Shiller , Uwe Soergel

There is a warning light for the loss of plant habitats worldwide that entails concerted efforts to conserve plant biodiversity. Thus, plant species classification is of crucial importance to address this environmental challenge. In recent…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Boi M. Quach , Dinh V. Cuong , Nhung Pham , Dang Huynh , Binh T. Nguyen

Selection is a fundamental task in exploratory analysis and visualization of 3D point clouds. Prior researches on selection methods were developed mainly based on heuristics such as local point density, thus limiting their applicability in…

Human-Computer Interaction · Computer Science 2024-05-14 Chen Zhu-Tian , Wei Zeng , Zhiguang Yang , Lingyun Yu , Chi-Wing Fu , Huamin Qu

Segmentation of structural parts of 3D models of plants is an important step for plant phenotyping, especially for monitoring architectural and morphological traits. Current state-of-the art approaches rely on hand-crafted 3D local features…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Kaya Turgut , Helin Dutagaci , Gilles Galopin , David Rousseau

In this paper, we employ Probabilistic Neural Network (PNN) with image and data processing techniques to implement a general purpose automated leaf recognition algorithm. 12 leaf features are extracted and orthogonalized into 5 principal…

Artificial Intelligence · Computer Science 2007-07-31 Stephen Gang Wu , Forrest Sheng Bao , Eric You Xu , Yu-Xuan Wang , Yi-Fan Chang , Qiao-Liang Xiang

Middle-echo, which covers one or a few corresponding points, is a specific type of 3D point cloud acquired by a multi-echo laser scanner. In this paper, we propose a novel approach for automatic segmentation of trees that leverages…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Jonathan Li , Rongren Wu , Yiping Chen , Qing Zhu , Zhipeng Luo , Cheng Wang

In this paper, we propose PCPNet, a deep-learning based approach for estimating local 3D shape properties in point clouds. In contrast to the majority of prior techniques that concentrate on global or mid-level attributes, e.g., for shape…

Computational Geometry · Computer Science 2018-06-20 Paul Guerrero , Yanir Kleiman , Maks Ovsjanikov , Niloy J. Mitra

The segmentation of individual trees from forest point clouds is a crucial task for downstream analyses such as carbon sequestration estimation. Recently, deep-learning-based methods have been proposed which show the potential of learning…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Jonathan Henrich , Jan van Delden