中文
相关论文

相关论文: Wood-leaf classification of tree point cloud based…

200 篇论文

The paper attempts to validate the effectiveness of tree classifiers to classify tabla strokes especially the ones which are overlapping in nature. It uses decision tree, ID3 and random forest as classifiers. A custom made data sets of 650…

声音 · 计算机科学 2018-01-08 Subodh Deolekar , Siby Abraham

Airborne Laser Scanning (ALS) can collect point clouds across large areas, enabling large-scale forest inventory. However, ALS point clouds are sparse and noisy, resulting in inaccurate individual-tree-level forest inventory, such as stem…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Jinyuan Shao , Sangyoong Park , Chunxi Zhao , Ayman Habib , Songlin Fei

Aiming to advance research in the field of interpretability of deep learning models for tree species classification using TLS 3D point clouds we present insights in the classification abilities of YOLOv8 through a new framework which…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Adrian Straker , Paul Magdon , Marco Zullich , Maximilian Freudenberg , Christoph Kleinn , Johannes Breidenbach , Stefano Puliti , Nils Noelke

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…

计算机视觉与模式识别 · 计算机科学 2023-12-22 Tsz Chung Wong , Abubakar Sani-Mohammed , Jinhong Wang , Puzuo Wang , Wei Yao , Marco Heurich

The three-dimensional structures of individual trees are important pieces of information necessary to understand the effect of trees on urban environments. In this study, we demonstrate a method for estimating the leaf area density (LAD)…

地球物理 · 物理学 2022-06-27 Haruki Oshio , Takashi Asawa , Akira Hoyano , Satoshi Miyasaka

Three dimensional (3D) object recognition is becoming a key desired capability for many computer vision systems such as autonomous vehicles, service robots and surveillance drones to operate more effectively in unstructured environments.…

计算机视觉与模式识别 · 计算机科学 2021-08-25 Chenxi Xiao , Juan Wachs

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…

图像与视频处理 · 电气工程与系统科学 2020-11-25 Fredrik Westling , Mitch Bryson , James Underwood

The shift from stand-level to individual-tree-level forest assessments supports improved biodiversity mapping, particularly in boreal ecosystems where tree species like aspen (Populus tremula L.) play a keystone role. While airborne laser…

Laser scanning has proven to be an invaluable tool in assessing the decomposition of forest environments. Mobile laser scanning (MLS) has shown to be highly promising for extremely accurate, tree level inventory. In this study, we present…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Juho Korkeala , Jesse Muhojoki , Josef Taher , Klaara Salolahti , Matti Hyyppä , Antero Kukko , Juha Hyyppä

We introduce a cluster evaluation technique called Tree Index. Our Tree Index algorithm aims at describing the structural information of the clustering rather than the quantitative format of cluster-quality indexes (where the representation…

机器学习 · 计算机科学 2020-03-25 A. H. Beg , Md Zahidul Islam , Vladimir Estivill-Castro

Detailed forest inventories are critical for sustainable and flexible management of forest resources, to conserve various ecosystem services. Modern airborne laser scanners deliver high-density point clouds with great potential for…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Binbin Xiang , Maciej Wielgosz , Theodora Kontogianni , Torben Peters , Stefano Puliti , Rasmus Astrup , Konrad Schindler

We revisit the use of probabilistic values, which include the well-known Shapley and Banzhaf values, to rank features for explaining the local predicted values of decision trees. The quality of feature rankings is typically assessed with…

机器学习 · 计算机科学 2026-04-22 Weida Li , Yaoliang Yu , Bryan Kian Hsiang Low

Prior work on plant species classification predominantly focuses on building models from isolated plant attributes. Hence, there is a need for tools that can assist in species identification in the natural world. We present a novel and…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Dewald Homan , Johan A. du Preez

Many types of 3D acquisition sensors have emerged in recent years and point cloud has been widely used in many areas. Accurate and fast registration of cross-source 3D point clouds from different sensors is an emerged research problem in…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Xiaoshui Huang , Lixin Fan , Qiang Wu , Jian Zhang , Chun Yuan

Registering point clouds of forest environments is an essential prerequisite for LiDAR applications in precision forestry. State-of-the-art methods for forest point cloud registration require the extraction of individual tree attributes,…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Xufei Wang , Zexin Yang , Xiaojun Cheng , Jantien Stoter , Wenbing Xu , Zhenlun Wu , Liangliang Nan

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…

计算机视觉与模式识别 · 计算机科学 2019-09-20 Jonathan Li , Rongren Wu , Yiping Chen , Qing Zhu , Zhipeng Luo , Cheng Wang

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…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Jonathan Henrich , Jan van Delden

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…

机器学习 · 计算机科学 2018-02-27 Hamid Hamraz , Nathan B. Jacobs , Marco A. Contreras , Chase H. Clark

In sawmills, it is essential to accurately measure the raw material, i.e. wooden logs, to optimise the sawing process. Earlier studies have shown that accurate predictions of the inner structure of the logs can be obtained using just…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Fedor Zolotarev , Tuomas Eerola , Tomi Kauppi

This research advances individual tree crown (ITC) segmentation in lidar data, using a deep learning model applicable to various laser scanning types: airborne (ULS), terrestrial (TLS), and mobile (MLS). It addresses the challenge of…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Maciej Wielgosz , Stefano Puliti , Binbin Xiang , Konrad Schindler , Rasmus Astrup