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This paper proposes a deep neural architecture, PlaneRCNN, that detects and reconstructs piecewise planar surfaces from a single RGB image. PlaneRCNN employs a variant of Mask R-CNN to detect planes with their plane parameters and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-09 Chen Liu , Kihwan Kim , Jinwei Gu , Yasutaka Furukawa , Jan Kautz

Structured pruning is an effective compression technique to reduce the computation of neural networks, which is usually achieved by adding perturbations to reduce network parameters at the cost of slightly increasing training loss. A more…

Machine Learning · Computer Science 2021-10-22 Yinchuan Li , Xiaofeng Liu , Yunfeng Shao , Qing Wang , Yanhui Geng

This study compares the performance of state-of-the-art neural networks including variants of the YOLOv11 and RT-DETR models for detecting marsh deer in UAV imagery, in scenarios where specimens occupy a very small portion of the image and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Agustín Roca , Gastón Castro , Gabriel Torre , Leonardo J. Colombo , Ignacio Mas , Javier Pereira , Juan I. Giribet

Mapping individual tree crowns is essential for tasks such as maintaining urban tree inventories and monitoring forest health, which help us understand and care for our environment. However, automatically separating the crowns from each…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Julius Pesonen , Stefan Rua , Josef Taher , Niko Koivumäki , Xiaowei Yu , Eija Honkavaara

Proprietary design in commercial windrow-detection systems restricts transparency and limits progress in open autonomous forage-harvesting research. We present a multi-modal dataset combining stereo vision and LiDAR from tractor-mounted…

Robotics · Computer Science 2026-04-28 Lorenz Gunreben , Nico Heider , Sebastian Zürner , Martin Schieck , Bogdan Franczyk

This paper presents a distributed approach that scales up to segment tree crowns within a LiDAR point cloud representing an arbitrarily large forested area. The approach uses a single-processor tree segmentation algorithm as a building…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-03-21 Hamid Hamraz , Marco A. Contreras , Jun Zhang

In this paper, we propose a deep learning framework for the automated counting and geolocation of palm trees from aerial images using convolutional neural networks. For this purpose, we collected aerial images in a palm tree Farm in the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Adel Ammar , Anis Koubaa

Traditional stereo algorithms have focused their efforts on reconstruction quality and have largely avoided prioritizing for run time performance. Robots, on the other hand, require quick maneuverability and effective computation to observe…

Robotics · Computer Science 2016-02-18 Sudeep Pillai , Srikumar Ramalingam , John J. Leonard

Estimating depth from RGB images is a long-standing ill-posed problem, which has been explored for decades by the computer vision, graphics, and machine learning communities. Among the existing techniques, stereo matching remains one of the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Hamid Laga , Laurent Valentin Jospin , Farid Boussaid , Mohammed Bennamoun

For the autonomous drone-based inspection of wind turbine (WT) blades, accurate detection of the WT and its key features is essential for safe drone positioning and collision avoidance. Existing deep learning methods typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Arash Shahirpour , Jakob Gebler , Manuel Sanders , Tim Reuscher

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

Multiview stereo aims to reconstruct scene depth from images acquired by a camera under arbitrary motion. Recent methods address this problem through deep learning, which can utilize semantic cues to deal with challenges such as textureless…

Computer Vision and Pattern Recognition · Computer Science 2019-05-03 Sunghoon Im , Hae-Gon Jeon , Stephen Lin , In So Kweon

Accurate measuring the location and orientation of individual particles in a beam monitoring system is of particular interest to researchers in multiple disciplines. Among feasible methods, gaseous drift chambers with hybrid pixel sensors…

Data Analysis, Statistics and Probability · Physics 2020-09-22 Pengcheng Ai , Dong Wang , Xiangming Sun , Guangming Huang , Zili Li

We present a novel method of integrating image-based measurements into a drone navigation system for the automated inspection of wind turbines. We take a model-based tracking approach, where a 3D skeleton representation of the turbine is…

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…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Tsz Chung Wong , Abubakar Sani-Mohammed , Jinhong Wang , Puzuo Wang , Wei Yao , Marco Heurich

Autonomous UAV forestry operations require robust depth estimation with strong cross-domain generalization, yet existing evaluations focus on urban and indoor scenarios, leaving a critical gap for vegetation-dense environments. We present…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Yida Lin , Bing Xue , Mengjie Zhang , Sam Schofield , Richard Green

Background: The mapping of tree species within Norwegian forests is a time-consuming process, involving forest associations relying on manual labeling by experts. The process can involve both aerial imagery, personal familiarity, or…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Martijn Vermeer , Jacob Alexander Hay , David Völgyes , Zsófia Koma , Johannes Breidenbach , Daniele Stefano Maria Fantin

Laser-scanned point clouds of forests make it possible to extract valuable information for forest management. To consider single trees, a forest point cloud needs to be segmented into individual tree point clouds. Existing segmentation…

Computer Vision and Pattern Recognition · Computer Science 2025-01-07 Jonathan Henrich , Jan van Delden , Dominik Seidel , Thomas Kneib , Alexander Ecker

One of the major goals of tomorrow's agriculture is to increase agricultural productivity but above all the quality of production while significantly reducing the use of inputs. Meeting this goal is a real scientific and technological…

Image and Video Processing · Electrical Eng. & Systems 2020-05-14 Mohamed Kerkech , Adel Hafiane , Raphael Canals

Drones have revolutionized various domains, including agriculture. Recent advances in deep learning have propelled among other things object detection in computer vision. This study utilized YOLO, a real-time object detector, to identify…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Tobias Rohe , Barbara Böhm , Michael Kölle , Jonas Stein , Robert Müller , Claudia Linnhoff-Popien