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Related papers: FG-TreeSeg: Flow-Guided Tree Crown Segmentation wi…

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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…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Binbin Xiang , Maciej Wielgosz , Theodora Kontogianni , Torben Peters , Stefano Puliti , Rasmus Astrup , Konrad Schindler

Detailed structural and species information on individual tree level is increasingly important to support precision forestry, biodiversity conservation, and provide reference data for biomass and carbon mapping. Point clouds from airborne…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Aldino Rizaldy , Fabian Ewald Fassnacht , Ahmed Jamal Afifi , Hua Jiang , Richard Gloaguen , Pedram Ghamisi

Vision-based segmentation in forested environments is a key functionality for autonomous forestry operations such as tree felling and forwarding. Deep learning algorithms demonstrate promising results to perform visual tasks such as object…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Vincent Grondin , François Pomerleau , Philippe Giguère

This paper introduces Tree-NET, a novel framework for medical image segmentation that leverages bottleneck feature supervision to enhance both segmentation accuracy and computational efficiency. While previous studies have employed…

Image and Video Processing · Electrical Eng. & Systems 2025-01-07 Orhan Demirci , Bulent Yilmaz

For the task of subdecimeter aerial imagery segmentation, fine-grained semantic segmentation results are usually difficult to obtain because of complex remote sensing content and optical conditions. Recently, convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Kai Yue , Lei Yang , Ruirui Li , Wei Hu , Fan Zhang , Wei Li

Large-scale delineation of individual trees from remote sensing imagery is crucial to the advancement of ecological research, particularly as climate change and other environmental factors rapidly transform forest landscapes across the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-04 Michelle Chen , David Russell , Amritha Pallavoor , Derek Young , Jane Wu

Purpose: Gliomas are the most common and aggressive type of brain tumors due to their infiltrative nature and rapid progression. The process of distinguishing tumor boundaries from healthy cells is still a challenging task in the clinical…

Image and Video Processing · Electrical Eng. & Systems 2020-04-28 Ramy A. Zeineldin , Mohamed E. Karar , Jan Coburger , Christian R. Wirtz , Oliver Burgert

Accurate detection of individual tree crowns from remote sensing data poses a significant challenge due to the dense nature of forest canopy and the presence of diverse environmental variations, e.g., overlapping canopies, occlusions, and…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Rudraksh Kapil , Seyed Mojtaba Marvasti-Zadeh , Nadir Erbilgin , Nilanjan Ray

The FOR-instance dataset (available at https://doi.org/10.5281/zenodo.8287792) addresses the challenge of accurate individual tree segmentation from laser scanning data, crucial for understanding forest ecosystems and sustainable…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Stefano Puliti , Grant Pearse , Peter Surový , Luke Wallace , Markus Hollaus , Maciej Wielgosz , Rasmus Astrup

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

Automated segmentation of individual leaves of a plant in an image is a prerequisite to measure more complex phenotypic traits in high-throughput phenotyping. Applying state-of-the-art machine learning approaches to tackle leaf instance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-25 Daniel Ward , Peyman Moghadam , Nicolas Hudson

Flow matching has recently emerged as a principled framework for learning continuous-time transport maps, enabling efficient ODE-based sampling without relying on stochastic diffusion processes. While generative modeling has shown promise…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Zhi Chen , Runze Hu , Le Zhang

Training-free guidance enables controlled generation in diffusion and flow models, but most methods rely on gradients and assume differentiable objectives. This work focuses on training-free guidance addressing challenges from…

Machine Learning · Computer Science 2025-06-12 Yingqing Guo , Yukang Yang , Hui Yuan , Mengdi Wang

Reliable and automated 3D plant shoot segmentation is a core prerequisite for the extraction of plant phenotypic traits at the organ level. Combining deep learning and point clouds can provide effective ways to address the challenge.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Liyi Luo , Xintong Jiang , Yu Yang , Eugene Roy Antony Samy , Mark Lefsrud , Valerio Hoyos-Villegas , Shangpeng Sun

Point clouds from Terrestrial Laser Scanning (TLS) are an increasingly popular source of data for studying plant structure and function but typically require extensive manual processing to extract ecologically important information. One key…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Harry J. F. Owen , Matthew J. A. Allen , Stuart W. D. Grieve , Phill Wilkes , Emily R. Lines

Accurate and consistent methods for counting trees based on remote sensing data are needed to support sustainable forest management, assess climate change mitigation strategies, and build trust in tree carbon credits. Two-dimensional remote…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Lei Li , Tianfang Zhang , Zhongyu Jiang , Cheng-Yen Yang , Jenq-Neng Hwang , Stefan Oehmcke , Dimitri Pierre Johannes Gominski , Fabian Gieseke , Christian Igel

Plant phenotyping refers to a quantitative description of the plants properties, however in image-based phenotyping analysis, our focus is primarily on the plants anatomical, ontogenetical and physiological properties.This technique…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Petros N. Tamvakis , Chairi Kiourt , Alexandra D. Solomou , George Ioannakis , Nestoras C. Tsirliganis

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

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

Fully supervised semantic segmentation learns from dense masks, which requires heavy annotation cost for closed set. In this paper, we use natural language as supervision without any pixel-level annotation for open world segmentation. We…

Computer Vision and Pattern Recognition · Computer Science 2022-12-15 Yi Li , Huifeng Yao , Hualiang Wang , Xiaomeng Li