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This paper presents an automated pipeline for detecting tree whorls in proximally laser scanning data using a pose-estimation deep learning model. Accurate whorl detection provides valuable insights into tree growth patterns, wood quality,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Stefano Puliti , Carolin Fischer , Rasmus Astrup

Assessing the number of street trees is essential for evaluating urban greenery and can help municipalities employ solutions to identify tree-starved streets. It can also help identify roads with different levels of deforestation and…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Arpit Bahety , Rohit Saluja , Ravi Kiran Sarvadevabhatla , Anbumani Subramanian , C. V. Jawahar

This work presents the INBD network proposed by Gillert et al. in CVPR-2023 and studies its application for delineating tree rings in RGB images of Pinus taeda cross sections captured by a smartphone (UruDendro dataset), which are images…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Henry Marichal , Gregory Randall

A fully automated technique for wood pith detection (APD), relying on the concentric shape of the structure of wood ring slices, is introduced. The method estimates the ring's local orientations using the 2D structure tensor and finds the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Henry Marichal , Diego Passarella , Gregory Randall

Monitoring and controlling invasive tree species across large forests, parks, and trail networks is challenging due to limited accessibility, reliance on manual scouting, and degraded under-canopy GNSS. We present MapForest, a modular field…

Robotics · Computer Science 2026-03-25 Sandeep Zachariah , Francisco Yandun , Sachet Korada , Abhisesh Silwal

Circular sample plots are a cornerstone of forest inventory, yet accurate measurement of tree diameter at breast height (DBH) and spatial location within such plots remains challenging. Conventional approaches rely either on costly…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Su Sun , Jui-Cheng Chiu , Nabin Khanal , Songlin Fei , Yingjie Victor Chen

Tree detection techniques are often used to reduce the complexity of a posteriori probability (APP) detection in high dimensional multi-antenna wireless communication systems. In this paper, we introduce an efficient soft-input soft-output…

Information Theory · Computer Science 2011-05-10 J. W. Choi , B. Shim , A. C. Singer

Investigative drilling (ID) is an innovative measurement while drilling (MWD) technique that has been implemented in various site investigation projects across Australia. While the automated drilling feature of ID substantially reduces…

Geophysics · Physics 2025-06-18 Fei Huang , Hongyu Qin , Masoud Manafi , Ben Juett , Ben Evans

Deforestation detection using satellite images can make an important contribution to forest management. Current approaches can be broadly divided into those that compare two images taken at similar periods of the year and those that monitor…

Applications · Statistics 2017-04-05 Emiliano Diaz

Knowledge of airway tree morphology has important clinical applications in diagnosis of chronic obstructive pulmonary disease. We present an automatic tree extraction method based on multiple hypothesis tracking and template matching for…

Computer Vision and Pattern Recognition · Computer Science 2016-11-28 Raghavendra Selvan , Jens Petersen , Jesper H. Pedersen , Marleen de Bruijne

Tree ring marking remains a key step in dendrometry and dendrochronology, but it is often performed manually, making the process time-consuming, subjective, and difficult to scale to large image datasets. We present the Tree Ring Analyzer…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Henry Marichal , Diego Passarella , Gregory Randall

This paper introduces Smart-Tree, a supervised method for approximating the medial axes of branch skeletons from a tree point cloud. Smart-Tree uses a sparse voxel convolutional neural network to extract the radius and direction towards the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Harry Dobbs , Oliver Batchelor , Richard Green , James Atlas

Fruit tree image segmentation is an essential problem in automating a variety of agricultural tasks such as phenotyping, harvesting, spraying, and pruning. Many research papers have proposed a diverse spectrum of solutions suitable to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Il-Seok Oh

Edge detection is a critical component of many vision systems, including object detectors and image segmentation algorithms. Patches of edges exhibit well-known forms of local structure, such as straight lines or T-junctions. In this paper…

Computer Vision and Pattern Recognition · Computer Science 2014-11-26 Piotr Dollár , C. Lawrence Zitnick

Modern robotics has enabled the advancement in yield estimation for precision agriculture. However, when applied to the olive industry, the high variation of olive colors and their similarity to the background leaf canopy presents a…

Robotics · Computer Science 2023-08-17 Yianni Karabatis , Xiaomin Lin , Nitin J. Sanket , Michail G. Lagoudakis , Yiannis Aloimonos

Superpixel segmentation has become an important research problem in image processing. In this paper, we propose an Iterative Spanning Forest (ISF) framework, based on sequences of Image Foresting Transforms, where one can choose i) a seed…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 John E. Vargas-Muñoz , Ananda S. Chowdhury , Eduardo B. Alexandre , Felipe L. Galvão , Paulo A. Vechiatto Miranda , Alexandre X. Falcão

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

Sampling efficiency in a highly constrained environment has long been a major challenge for sampling-based planners. In this work, we propose Rapidly-exploring Random disjointed-Trees* (RRdT*), an incremental optimal multi-query planner.…

Robotics · Computer Science 2019-02-28 Tin Lai , Fabio Ramos , Gilad Francis

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

In many applications of aerial/satellite image analysis (remote sensing), the generation of exact shapes of objects is a cumbersome task. In most remote sensing applications such as counting objects requires only location estimation of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 N. Lakmal Deshapriya , Dan Tran , Sriram Reddy , Kavinda Gunasekara