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This work presents a method for semantic segmentation of mango trees in high resolution aerial imagery, and, a novel method for individual crown detection of mango trees using segmentation output. Mango Tree Net, a fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Vikas Agaradahalli Gurumurthy , Ramesh Kestur , Omkar Narasipura

Olive tree biovolume estimation is a key task in precision agriculture, supporting yield prediction and resource management, especially in Mediterranean regions severely impacted by climate-induced stress. This study presents a comparative…

Image and Video Processing · Electrical Eng. & Systems 2025-10-31 Wondimagegn Abebe Demissie , Stefano Roccella , Rudy Rossetto , Antonio Minnocci , Andrea Vannini , Luca Sebastiani

The empowering unmanned aerial vehicles (UAVs) have been extensively used in providing intelligence such as target tracking. In our field experiments, a pre-trained convolutional neural network (CNN) is deployed at the UAV to identify a…

Image and Video Processing · Electrical Eng. & Systems 2020-08-19 Bo Yang , Xuelin Cao , Chau Yuen , Lijun Qian

Deep Neural Networks (DNNs) learn representation from data with an impressive capability, and brought important breakthroughs for processing images, time-series, natural language, audio, video, and many others. In the remote sensing field,…

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

Unmanned Aerial Vehicles (UAVs), have intrigued different people from all walks of life, because of their pervasive computing capabilities. UAV equipped with vision techniques, could be leveraged to establish navigation autonomous control…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Xiaoliang Wang , Peng Cheng , Xinchuan Liu , Benedict Uzochukwu

Pavement conditions are a critical aspect of asset management and directly affect safety. This study introduces a deep neural network method called U-Net for pavement crack segmentation based on drone-captured images to reduce the cost and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Liming Jiang , Yuanchang Xie , Tianzhu Ren

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

Automated pavement crack image segmentation is challenging because of inherent irregular patterns, lighting conditions, and noise in images. Conventional approaches require a substantial amount of feature engineering to differentiate crack…

Computer Vision and Pattern Recognition · Computer Science 2020-07-01 Stephen L. H. Lau , Edwin K. P. Chong , Xu Yang , Xin Wang

Deep learning-based algorithms can provide state-of-the-art accuracy for remote sensing technologies such as unmanned aerial vehicles (UAVs)/drones, potentially enhancing their remote sensing capabilities for many emergency response and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Christos Kyrkou , Theocharis Theocharides

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

Automatic crack detection and segmentation play a significant role in the whole system of unmanned aerial vehicle inspections. In this paper, we have implemented a deep learning framework for crack detection based on classical network…

Robotics · Computer Science 2023-02-14 Kangcheng Liu

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

In this paper, we present a generic deep convolutional neural network (DCNN) for multi-class image segmentation. It is based on a well-established supervised end-to-end DCNN model, known as U-net. U-net is firstly modified by adding widely…

Image and Video Processing · Electrical Eng. & Systems 2020-04-29 Mina Jafari , Ruizhe Li , Yue Xing , Dorothee Auer , Susan Francis , Jonathan Garibaldi , Xin Chen

Structured documents analysis and recognition are essential for modern online on-boarding processes, and document localization is a crucial step to achieve reliable key information extraction. While deep-learning has become the standard…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Anastasiia Kabeshova , Guillaume Betmont , Julien Lerouge , Evgeny Stepankevich , Alexis Bergès

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

Unmanned Aerial Vehicles (UAVs) have recently shown great performance collecting visual data through autonomous exploration and mapping in building inspection. Yet, the number of studies is limited considering the post processing of the…

Robotics · Computer Science 2018-08-01 Fatih Kucuksubasi , Arzu Sorguc

Automatic medical image segmentation has made great progress benefit from the development of deep learning. However, most existing methods are based on convolutional neural networks (CNNs), which fail to build long-range dependencies and…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Ailiang Lin , Bingzhi Chen , Jiayu Xu , Zheng Zhang , Guangming Lu

Humans use UAVs to monitor changes in forest environments since they are lightweight and provide a large variety of surveillance data. However, their information does not present enough details for understanding the scene which is needed to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Bianca-Cerasela-Zelia Blaga , Sergiu Nedevschi

Deep neural networks (DNNs) have recently achieved impressive success across a wide range of real-world vision and language processing tasks, spanning from image classification to many other downstream vision tasks, such as object…

Machine Learning · Computer Science 2025-12-23 Xiangzhong Luo , Di Liu , Hao Kong , Shuo Huai , Hui Chen , Guochu Xiong , Weichen Liu