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Training a Convolutional Neural Network (CNN) for semantic segmentation typically requires to collect a large amount of accurate pixel-level annotations, a hard and expensive task. In contrast, simple image tags are easier to gather. With…

Computer Vision and Pattern Recognition · Computer Science 2019-02-25 Carolina Redondo-Cabrera , Marcos Baptista-Ríos , Roberto J. López-Sastre

Identifying species of trees in aerial images is essential for land-use classification, plantation monitoring, and impact assessment of natural disasters. The manual identification of trees in aerial images is tedious, costly, and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Italos Estilon de Souza , Alexandre Xavier Falcão

Facing the escalating threat of global wildfires, numerous computer vision techniques using remote sensing data have been applied in this area. However, the selection of deep learning methods for wildfire prediction remains uncertain due to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Yihang Zhou , Ruige Kong , Zhengsen Xu , Linlin Xu , Sibo Cheng

Object detection techniques that achieve state-of-the-art detection accuracy employ convolutional neural networks, implemented to have optimal performance in graphics processing units. Some hardware systems, such as mobile robots, operate…

We present a highly detailed instance segmentation model for delineating individual tree crowns in natural broadleaf forests using aerial imagery acquired by unmanned aerial vehicles (UAVs). Tree crown delineation in broadleaf forests is…

Image and Video Processing · Electrical Eng. & Systems 2026-05-18 Mitsutaka Nakada , Takahiko Ikebata , Kengo Ikebata , Yuji Mizuno , Yusuke Onoda , Ryuichi Takeshige , Kyaw Kyaw Htoo , Kanehiro Kitayama , Robert Ong , Masanori Onishi

The accurate identification of brain tumors from magnetic resonance imaging (MRI) is essential for timely diagnosis and effective therapeutic intervention. While deep convolutional neural networks (CNNs), particularly those pre-trained on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Helia Abedini , Saba Rahimi , Reza Vaziri

Computer-aided diagnosis system for diffuse lung diseases (DLDs) is necessary for the objective assessment of the lung diseases. In this paper, we develop semantic segmentation model for 5 kinds of DLDs. DLDs considered in this work are…

Image and Video Processing · Electrical Eng. & Systems 2020-03-27 Yuki Suzuki , Kazuki Yamagata , Yanagawa Masahiro , Shoji Kido , Noriyuki Tomiyama

Optical transmission spectroscopy is one method to understand brain tissue structural properties from brain tissue biopsy samples, yet manual interpretation is resource intensive and prone to inter observer variability. Deep convolutional…

Medical Physics · Physics 2025-05-20 Mohnish Sao , Mousa Alrubayan , Prabhakar Pradhan

Current state-of-the-art methods for panoptic segmentation require an immense amount of annotated training data that is both arduous and expensive to obtain posing a significant challenge for their widespread adoption. Concurrently, recent…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Markus Käppeler , Kürsat Petek , Niclas Vödisch , Wolfram Burgard , Abhinav Valada

This study compares eight pre-trained CNNs for diagnosing keratoconus, a degenerative eye disease. A carefully selected dataset of keratoconus, normal, and suspicious cases was used. The models tested include DenseNet121, EfficientNetB0,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Nayeem Ahmed , Md Maruf Rahman , Md Fatin Ishrak , Md Imran Kabir Joy , Md Sanowar Hossain Sabuj , Md. Sadekur Rahman

Drones or general Unmanned Aerial Vehicles (UAVs), endowed with computer vision function by on-board cameras and embedded systems, have become popular in a wide range of applications. However, real-time scene parsing through object…

Computer Vision and Pattern Recognition · Computer Science 2020-05-04 Pengyi Zhang , Yunxin Zhong , Xiaoqiong Li

This study investigates the classification of aerial images depicting transmission towers, forests, farmland, and mountains. To complete the classification job, features are extracted from input photos using a Convolutional Neural Network…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Mustafa Majeed Abd Zaid , Ahmed Abed Mohammed , Putra Sumari

Urban forests play a key role in enhancing environmental quality and supporting biodiversity in cities. Mapping and monitoring these green spaces are crucial for urban planning and conservation, yet accurately detecting trees is challenging…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Alessandro dos Santos Ferreira , Ana Paula Marques Ramos , José Marcato Junior , Wesley Nunes Gonçalves

Proximally-sensed laser scanning offers significant potential for automated forest data capture, but challenges remain in automatically identifying tree species without additional ground data. Deep learning (DL) shows promise for…

Accurate drone detection is strongly desired in drone collision avoidance, drone defense and autonomous Unmanned Aerial Vehicle (UAV) self-landing. With the recent emergence of the Vision Transformer (ViT), this critical task is reassessed…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Junyang Zhang

Unmanned aerial vehicle (UAV) usage is expected to surge in the coming decade, raising the need for heightened security measures to prevent airspace violations and security threats. This study investigates deep learning approaches to UAV…

Sound · Computer Science 2025-07-25 Andrew P. Berg , Qian Zhang , Mia Y. Wang

The purpose of this study was to investigate the use of deep learning for coniferous/deciduous classification of individual trees from airborne LiDAR data. To enable efficient processing by a deep convolutional neural network (CNN), we…

Machine Learning · Computer Science 2018-02-27 Hamid Hamraz , Nathan B. Jacobs , Marco A. Contreras , Chase H. Clark

Achieving a balance between computational efficiency and detection accuracy in the realm of rotated bounding box object detection within aerial imagery is a significant challenge. While prior research has aimed at creating lightweight…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Zhifei Shi , Zongyao Yin , Sheng Chang , Xiao Yi , Xianchuan Yu

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

Fine-grained classification is challenging due to the difficulty of finding discriminatory features. This problem is exacerbated when applied to identifying species within the same taxonomical class. This is because species are often…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Rita Pucci , Vincent J. Kalkman , Dan Stowell