English
Related papers

Related papers: On-the-Go Tree Detection and Geometric Traits Esti…

200 papers

Segmenting tree structures is common in several image processing applications. In medical image analysis, reliable segmentations of airways, vessels, neurons and other tree structures can enable important clinical applications. We present a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Raghavendra Selvan , Jens Petersen , Jesper H. Pedersen , Marleen de Bruijne

Recognising individual trees within remotely sensed imagery has important applications in forest ecology and management. Several algorithms for tree delineation have been suggested, mostly based on locating local maxima or inverted basins…

Computer Vision and Pattern Recognition · Computer Science 2017-01-25 Juheon Lee , David Coomes , Carola-Bibiane Schonlieb , Xiaohao Cai , Jan Lellmann , Michele Dalponte , Yadvinder Malhi , Nathalie Butt , Mike Morecroft

Accurate pose estimation is a fundamental ability that all mobile robots must posses in order to traverse robustly in a given environment. Much like a human, this ability is dependent on the robot's understanding of a given scene. For…

Robotics · Computer Science 2022-02-22 Stephen Ninan , Sivakumar Rathinam

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

We introduce an approach for updating older tree inventories with geographic coordinates using street-level panorama images and a global optimization framework for tree instance matching. Geolocations of trees in inventories until the early…

Computer Vision and Pattern Recognition · Computer Science 2020-02-06 Daniel Laumer , Nico Lang , Natalie van Doorn , Oisin Mac Aodha , Pietro Perona , Jan Dirk Wegner

In this paper, we present a flexible and probabilistic framework for tracking topological features in time-varying scalar fields using merge trees and partial optimal transport. Merge trees are topological descriptors that record the…

Computational Geometry · Computer Science 2025-08-26 Mingzhe Li , Xinyuan Yan , Lin Yan , Tom Needham , Bei Wang

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).…

Segmentation in dynamic outdoor environments can be difficult when the illumination levels and other aspects of the scene cannot be controlled. Specifically in orchard and vineyard automation contexts, a background material is often used to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Amy Tabb , Henry Medeiros

Plants are dynamic organisms and understanding temporal variations in vegetation is an essential problem for robots in the wild. However, associating repeated 3D scans of plants across time is challenging. A key step in this process is…

Computer Vision and Pattern Recognition · Computer Science 2023-06-08 Karoline Heiwolt , Cengiz Öztireli , Grzegorz Cielniak

Smart farming is a growing field as technology advances. Plant characteristics are crucial indicators for monitoring plant growth. Research has been done to estimate characteristics like leaf area index, leaf disease, and plant height.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-10 Yuning Xing , Dexter Pham , Henry Williams , David Smith , Ho Seok Ahn , JongYoon Lim , Bruce A. MacDonald , Mahla Nejati

This paper presents a robotic mowing framework that actively enhances garden biodiversity through visual perception and adaptive decision-making. Unlike passive rewilding approaches, the proposed system uses deep feature-space analysis to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Lars Beckers , Arno Waes , Aaron Van Campenhout , Toon Goedemé

We define a search problem on trees that closely captures the backtracking behavior of all current practical graph isomorphism algorithms. Given two trees with colored leaves, the goal is to find two leaves of matching color, one in each of…

Data Structures and Algorithms · Computer Science 2020-11-04 Markus Anders , Pascal Schweitzer

T-Rex (The Robot for Extracting Leaf Samples) is a gantry-based robotic system developed for autonomous leaf localization, selection, and grasping in greenhouse environments. The system integrates a 6-degree-of-freedom manipulator with a…

Robotics · Computer Science 2025-05-06 Srecharan Selvam , Abhisesh Silwal , George Kantor

The stability and ability of an ecosystem to withstand climate change is directly linked to its biodiversity. Dead trees are a key indicator of overall forest health, housing one-third of forest ecosystem biodiversity, and constitute 8%of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Jacquelyn A. Shelton , Przemyslaw Polewski , Wei Yao , Marco Heurich

This paper introduces a novel computational framework for modeling and analyzing the spatiotemporal shape variability of tree-like 4D structures whose shapes deform and evolve over time. Tree-like 3D objects, such as botanical trees and…

Computational Geometry · Computer Science 2025-09-24 Tahmina Khanam , Hamid Laga , Mohammed Bennamoun , Guanjin Wang , Ferdous Sohel , Farid Boussaid , Guan Wang , Anuj Srivastava

Merge trees, a type of topological descriptor, serve to identify and summarize the topological characteristics associated with scalar fields. They present a great potential for the analysis and visualization of time-varying data. First,…

Human-Computer Interaction · Computer Science 2021-08-02 Lin Yan , Talha Bin Masood , Farhan Rasheed , Ingrid Hotz , Bei Wang

In this work we introduce the CitrusFarm dataset, a comprehensive multimodal sensory dataset collected by a wheeled mobile robot operating in agricultural fields. The dataset offers stereo RGB images with depth information, as well as…

Robotics · Computer Science 2023-10-02 Hanzhe Teng , Yipeng Wang , Xiaoao Song , Konstantinos Karydis

Monitoring urban tree dynamics is vital for supporting greening policies and reducing risks to electrical infrastructure. Airborne laser scanning has advanced large-scale tree management, but challenges remain due to complex urban…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Narges Takhtkeshha , Gabriele Mazzacca , Fabio Remondino , Juha Hyyppä , Gottfried Mandlburger

Earth's forests play an important role in the fight against climate change, and are in turn negatively affected by it. Effective monitoring of different tree species is essential to understanding and improving the health and biodiversity of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Venkatesh Ramesh , Arthur Ouaknine , David Rolnick

Urban trees help regulate temperature, reduce energy consumption, improve urban air quality, reduce wind speeds, and mitigating the urban heat island effect. Urban trees also play a key role in climate change mitigation and global warming…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Emily Waters , Mahdi Maktabdar Oghaz , Lakshmi Babu Saheer
‹ Prev 1 3 4 5 6 7 10 Next ›