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Image segmentation, one of the most critical vision tasks, has been studied for many years. Most of the early algorithms are unsupervised methods, which use hand-crafted features to divide the image into many regions. Recently, owing to the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Qinghong Lin , Weichan Zhong , Jianglin Lu

A novel multi-atlas based image segmentation method is proposed by integrating a semi-supervised label propagation method and a supervised random forests method in a pattern recognition based label fusion framework. The semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Qiang Zheng , Yong Fan

Hyperspectral image classification demands spatially coherent predictions and precise boundary delineation. Yet prevailing superpixel-based methods face an inherent contradiction: clustering aggregates similar pixels into regions, but the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Peifu Liu , Tingfa Xu , Jie Wang , Huan Chen , Huiyan Bai , Jianan Li

Modern deep learning algorithms have triggered various image segmentation approaches. However most of them deal with pixel based segmentation. However, superpixels provide a certain degree of contextual information while reducing…

Computer Vision and Pattern Recognition · Computer Science 2018-03-15 Aritra Das , Swarnendu Ghosh , Ritesh Sarkhel , Sandipan Choudhuri , Nibaran Das , Mita Nasipuri

Monitoring changes in tree cover for rapid assessment of deforestation is considered the critical component of any climate mitigation policy for reducing carbon. Here, we map tropical tree cover and deforestation between 2015 and 2022 using…

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

Logged forests cover four million square kilometres of the tropics and restoring these forests is essential if we are to avoid the worst impacts of climate change, yet monitoring recovery is challenging. Tracking the abundance of visually…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Jonathan Williams , Carola-Bibiane Schönlieb , Tom Swinfield , Bambang Irawan , Eva Achmad , Muhammad Zudhi , Habibi , Elva Gemita , David A. Coomes

Modeling forests using historical data allows for more accurately evolution analysis, thus providing an important basis for other studies. As a recognized and effective tool, remote sensing plays an important role in forestry analysis. We…

Machine Learning · Computer Science 2022-04-06 Xuetao Jiang , Meiyu Jiang , YuChun Gou , Qian Li , Qingguo Zhou

Access to below-canopy volumetric vegetation data is crucial for understanding ecosystem dynamics. We address the long-standing limitation of remote sensing to penetrate deep into dense canopy layers. LiDAR and radar are currently…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Mohamed Youssef , Jian Peng , Oliver Bimber

Kelp forests, as foundation species, are vital to marine ecosystems, providing essential food and habitat for numerous organisms. This study explores the integration of crowdsourced labels with advanced artificial intelligence models to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Ioannis Nasios

Delineating farm boundaries through segmentation of satellite images is a fundamental step in many agricultural applications. The task is particularly challenging for smallholder farms, where accurate delineation requires the use of high…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Aditi Agarwal , Anjali Jain , Nikita Saxena , Ishan Deshpande , Michal Kazmierski , Abigail Annkah , Nadav Sherman , Karthikeyan Shanmugam , Alok Talekar , Vaibhav Rajan

Diversity of terrestrial plants plays a key role in maintaining a stable, healthy, and productive ecosystem. Though remote sensing has been seen as a promising and cost-effective proxy for estimating plant diversity, there is a lack of…

Machine Learning · Computer Science 2022-07-07 Yiqing Guo , Karel Mokany , Cindy Ong , Peyman Moghadam , Simon Ferrier , Shaun R. Levick

Recent applications in computer vision have come to heavily rely on superpixel over-segmentation as a pre-processing step for higher level vision tasks, such as object recognition, image labelling or image segmentation. Here we present a…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Imanol Luengo , Mark Basham , Andrew P. French

There is much current interest in using multi-sensor airborne remote sensing to monitor the structure and biodiversity of forests. This paper addresses the application of non-parametric image registration techniques to precisely align…

Computer Vision and Pattern Recognition · Computer Science 2015-10-28 Juheon Lee , Xiaohao Cai , Carola-Bibiane Schonlieb , David Coomes

Tree height estimation serves as an important proxy for biomass estimation in ecological and forestry applications. While traditional methods such as photogrammetry and Light Detection and Ranging (LiDAR) offer accurate height measurements,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Grace Colverd , Jumpei Takami , Laura Schade , Karol Bot , Joseph A. Gallego-Mejia

Accurate detection of large-scale, elliptical-shape fibers, including their parameters of center, orientation and major/minor axes, on the 2D cross-sectioned image slices is very important for characterizing the underlying cylinder 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Lan Fu , Zhiyuan Liu , Jinlong Li , Jeff Simmons , Hongkai Yu , Song Wang

Very high resolution (VHR) mapping through remote sensing (RS) imagery presents a new opportunity to inform decision-making and sustainable practices in countless domains. Efficient processing of big VHR data requires automated tools…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Henry Cording , Yves Plancherel , Pablo Brito-Parada

Classification is an important supervised machine learning method, which is necessary and challenging issue for ecological research. It offers a way to classify a dataset into subsets that share common patterns. Notably, there are many…

Machine Learning · Statistics 2018-12-24 Md. Siraj-Ud-Doula , Md. Ashad Alam

Skin lesion segmentation is a fundamental task in dermoscopic image analysis. The complex features of pixels in the lesion region impede the lesion segmentation accuracy, and existing deep learning-based methods often lack interpretability…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Guangjie Zeng , Hao Peng , Angsheng Li , Zhiwei Liu , Chunyang Liu , Philip S. Yu , Lifang He

Visual inspection of solar modules is an important monitoring facility in photovoltaic power plants. Since a single measurement of fast CMOS sensors is limited in spatial resolution and often not sufficient to reliably detect small defects,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Mathis Hoffmann , Thomas Köhler , Bernd Doll , Frank Schebesch , Florian Talkenberg , Ian Marius Peters , Christoph J. Brabec , Andreas Maier , Vincent Christlein