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Semantic segmentation is the task of classifying each pixel in an image. Training a segmentation model achieves best results using annotated images, where each pixel is annotated with the corresponding class. When obtaining fine annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Jort de Jong , Mike Holenderski

Ground segmentation is crucial for terrestrial mobile platforms to perform navigation or neighboring object recognition. Unfortunately, the ground is not flat, as it features steep slopes; bumpy roads; or objects, such as curbs, flower…

Robotics · Computer Science 2022-03-11 Hyungtae Lim , Minho Oh , Hyun Myung

Accurate prediction of 3D semantic occupancy from 2D visual images is vital in enabling autonomous agents to comprehend their surroundings for planning and navigation. State-of-the-art methods typically employ fully supervised approaches,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Duc-Hai Pham , Duc-Dung Nguyen , Anh Pham , Tuan Ho , Phong Nguyen , Khoi Nguyen , Rang Nguyen

Estimating building footprint maps from geospatial data is of paramount importance in urban planning, development, disaster management, and various other applications. Deep learning methodologies have gained prominence in building…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Anuja Vats , David Völgyes , Martijn Vermeer , Marius Pedersen , Kiran Raja , Daniele S. M. Fantin , Jacob Alexander Hay

Despite its importance, unsupervised domain adaptation (UDA) on LiDAR semantic segmentation is a task that has not received much attention from the research community. Only recently, a completion-based 3D method has been proposed to tackle…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Eojindl Yi , Juyoung Yang , Junmo Kim

High annotation costs are a major bottleneck for the training of semantic segmentation systems. Therefore, methods working with less annotation effort are of special interest. This paper studies the problem of semi-supervised semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Olga Zatsarynna , Johann Sawatzky , Juergen Gall

Obtaining accurate labels for instance segmentation is particularly challenging due to the complex nature of the task. Each image necessitates multiple annotations, encompassing not only the object class but also its precise spatial…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Moshe Kimhi , Omer Kerem , Eden Grad , Ehud Rivlin , Chaim Baskin

The conservation of tropical forests is a current subject of social and ecological relevance due to their crucial role in the global ecosystem. Unfortunately, millions of hectares are deforested and degraded each year. Therefore, government…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Eduardo B. Neto , Paulo R. C. Pedro , Alvaro Fazenda , Fabio A. Faria

This research addresses the need for high-definition (HD) maps for autonomous vehicles (AVs), focusing on road lane information derived from aerial imagery. While Earth observation data offers valuable resources for map creation,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Willow Liu , Shuxin Qiao , Kyle Gao , Hongjie He , Michael A. Chapman , Linlin Xu , Jonathan Li

In Unsupervised Domain Adaptive Semantic Segmentation (UDA-SS), a model is trained on labeled source domain data (e.g., synthetic images) and adapted to an unlabeled target domain (e.g., real-world images) without access to target…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Md. Al-Masrur Khan , Durgakant Pushp , Lantao Liu

LiDAR is used in autonomous driving to provide 3D spatial information and enable accurate perception in off-road environments, aiding in obstacle detection, mapping, and path planning. Learning-based LiDAR semantic segmentation utilizes…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Kasi Viswanath , Peng Jiang , Sujit PB , Srikanth Saripalli

Contemporary domain adaptive semantic segmentation aims to address data annotation challenges by assuming that target domains are completely unannotated. However, annotating a few target samples is usually very manageable and worthwhile…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu

In Active Domain Adaptation (ADA), one uses Active Learning (AL) to select a subset of images from the target domain, which are then annotated and used for supervised domain adaptation (DA). Given the large performance gap between…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Sharat Agarwal , Saket Anand , Chetan Arora

Segmentation is the assigning of a semantic class to every pixel in an image and is a prerequisite for various statistical analysis tasks in materials science, like phase quantification, physics simulations or morphological…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Ronan Docherty , Isaac Squires , Antonis Vamvakeros , Samuel J. Cooper

Many successful learning targets such as minimizing dice loss and cross-entropy loss have enabled unprecedented breakthroughs in segmentation tasks. Beyond these semantic metrics, this paper aims to introduce location supervision into…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 Xiangyu He , Zitao Mo , Qiang Chen , Anda Cheng , Peisong Wang , Jian Cheng

Off-road image semantic segmentation is challenging due to the presence of uneven terrains, unstructured class boundaries, irregular features and strong textures. These aspects affect the perception of the vehicle from which the information…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Kasi Viswanath , Kartikeya Singh , Peng Jiang , Sujit P. B. , Srikanth Saripalli

Accurate, high-resolution, and real-time DOA estimation is a cornerstone of environmental perception in automotive radar systems. While sparse signal recovery techniques offer super-resolution and high-precision estimation, their…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Longxin Bai , Jingchao Zhang , Liyan Qiao

This paper describes a novel method of training a semantic segmentation model for scene recognition of agricultural mobile robots exploiting publicly available datasets of outdoor scenes that are different from the target greenhouse…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Shigemichi Matsuzaki , Jun Miura , Hiroaki Masuzawa

Topic models (e.g., pLSA, LDA, SLDA) have been widely used for segmenting imagery. These models are confined to crisp segmentation. Yet, there are many images in which some regions cannot be assigned a crisp label (e.g., transition regions…

Machine Learning · Statistics 2016-04-06 Chao Chen , Alina Zare , J. Tory Cobb

Deep learning semantic segmentation methods have shown promising performance for very high 1-m resolution land cover classification, but the challenge of collecting large volumes of representative training data creates a significant barrier…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Dakota Hester , Vitor S. Martins , Lucas B. Ferreira , Thainara M. A. Lima