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The automatic detection of tree-ring boundaries and other anatomical features using image analysis has progressed substantially over the past decade with advances in machine learning and imagery technology, as well as increasing demands…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Henry Marichal , Diego Passarella , Christine Lucas , Ludmila Profumo , Verónica Casaravilla , María Noel Rocha Galli , Serrana Ambite , Gregory Randall

Here, we propose Deep CS-TRD, a new automatic algorithm for detecting tree rings in whole cross-sections. It substitutes the edge detection step of CS-TRD by a deep-learning-based approach (U-Net), which allows the application of the method…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Henry Marichal , Verónica Casaravilla , Candice Power , Karolain Mello , Joaquín Mazarino , Christine Lucas , Ludmila Profumo , Diego Passarella , Gregory Randall

Tree-ring growth represents the annual wood increment for a tree, and quantifying it allows researchers to assess which silvicultural practices are best suited for each species. Manual measurement of this growth is time-consuming and often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Henry Marichal , Joaquin Blanco , Diego Passarella , Gregory Randall

This work describes a Tree Ring Detection method for complete Cross-Sections of Trees (CS-TRD) that detects, processes and connects edges corresponding to the tree's growth rings. The method depends on the parameters for the Canny Devernay…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Henry Marichal , Diego Passarella , Gregory Randall

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

Tree ring widths are an important source of climatic and historical data, but measuring these widths typically requires extensive manual work. Computer vision techniques provide promising directions towards the automation of tree ring…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Kayla Makela , Tim Ophelders , Michelle Quigley , Elizabeth Munch , Daniel Chitwood , Asia Dowtin

Accurate mapping of individual trees is an important component for precision agriculture in orchards, as it allows autonomous robots to perform tasks like targeted operations or individual tree monitoring. However, creating these maps is…

Robotics · Computer Science 2025-07-17 David Rapado-Rincon , Gert Kootstra

Data collection for forestry, timber, and agriculture currently relies on manual techniques which are labor-intensive and time-consuming. We seek to demonstrate that robotics offers improvements over these techniques and accelerate…

Tree perception is an essential building block toward autonomous forestry operations. Current developments generally consider input data from lidar sensors to solve forest navigation, tree detection and diameter estimation problems. Whereas…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Vincent Grondin , Jean-Michel Fortin , François Pomerleau , Philippe Giguère

Tree defect detection is crucial for the structural health screening of trees. Existing nondestructive testing (NDT) techniques for tree defect detection require time-consuming and labor-intensive measurement campaigns. This discourages…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Jiwei Qian , Yee Hui Lee , Kaixuan Cheng , Qiqi Dai , Mohamed Lokman Mohd Yusof , Daryl Lee , Abdulkadir C. Yucel

This paper offers a new authentication algorithm based on image matching of nano-resolution visual identifiers with tree-shaped patterns. The algorithm includes image-to-tree conversion by greedy extraction of the fractal pattern skeleton…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Hao Wang , Xiwen Chen , Abolfazl Razi , Rahul Amin

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

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

This paper introduces an automated vision system for animal detection in trail-camera images taken from a field under the administration of the Texas Parks and Wildlife Department. As traditional wildlife counting techniques are intrusive…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Golnaz Moallem , Don D. Pathirage , Joel Reznick , James Gallagher , Hamed Sari-Sarraf

This paper presents TRACE, a tool to analyze the quality of 2D embeddings generated through dimensionality reduction techniques. Dimensionality reduction methods often prioritize preserving either local neighborhoods or global distances,…

Powered by the advances of optical remote sensing sensors, the production of very high spatial resolution multispectral images provides great potential for achieving cost-efficient and high-accuracy forest inventory and analysis in an…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Juepeng Zheng , Shuai Yuan , Weijia Li , Haohuan Fu , Le Yu

Global warming, loss of biodiversity, and air pollution are among the most significant problems facing Earth. One of the primary challenges in addressing these issues is the lack of monitoring forests to protect them. To tackle this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Ozan Durgut , Beril Kallfelz-Sirmacek , Cem Unsalan

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

Terrestrial laser scanner is a kind of fast, high-precision data acquisition device, which had been more and more applied to the research areas of forest inventory. In this study, a kind of automated low-cost terrestrial laser scanner was…

Computer Vision and Pattern Recognition · Computer Science 2017-05-10 Pei Wang , Guochao Bu , Ronghao Li , Rui Zhao

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
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