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Radiology report generation (RRG) methods often lack sufficient medical knowledge to produce clinically accurate reports. The scene graph contains rich information to describe the objects in an image. We explore enriching the medical…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Jun Wang , Lixing Zhu , Abhir Bhalerao , Yulan He

In a wide range of robotic applications, being able to create a 3D model of the surrounding environment is a key feature for autonomous tasks. In this research report, we present a statistical model to perform 3D reconstructions of the…

Robotics · Computer Science 2019-07-05 Luis Roldão , Raoul De Charette , Anne Verroust-Blondet

We propose a novel deep learning-based framework to tackle the challenge of semantic segmentation of large-scale point clouds of millions of points. We argue that the organization of 3D point clouds can be efficiently captured by a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-29 Loic Landrieu , Martin Simonovsky

With the rapid advancement of technology, 3D data acquisition and utilization have become increasingly prevalent across various fields, including computer vision, robotics, and geospatial analysis. 3D data, captured through methods such as…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Siming Yan

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Fire scene datasets are crucial for training robust computer vision models, particularly in tasks such as fire early warning and emergency rescue operations. However, among the currently available fire-related data, there is a significant…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Haozhou Zhai , Yanzhe Gao , Tianjiang Hu

Building models are conventionally reconstructed by building roof points planar segmentation and then using a topology graph to group the planes together. Roof edges and vertices are then mathematically represented by intersecting segmented…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Zhixin Li , Wenyuan Zhang , Jie Shan

We introduce a new RGB-D object dataset captured in the wild called WildRGB-D. Unlike most existing real-world object-centric datasets which only come with RGB capturing, the direct capture of the depth channel allows better 3D annotations…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Hongchi Xia , Yang Fu , Sifei Liu , Xiaolong Wang

Extracting polygonal roofs and footprints from remote sensing images is critical for large-scale urban analysis. Most existing methods rely on segmentation-based models that assume clear semantic boundaries of roofs, but these approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Kai Li , Xingxing Weng , Yupeng Deng , Yu Meng , Chao Pang , Gui-Song Xia , Xiangyu Zhao

Hyperspectral Imaging (HSI) provides detailed spectral information and has been utilised in many real-world applications. This work introduces an HSI dataset of building facades in a light industry environment with the aim of classifying…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Nariman Habili , Ernest Kwan , Weihao Li , Christfried Webers , Jeremy Oorloff , Mohammad Ali Armin , Lars Petersson

We present a supervised neural network approach to the determination of photometric redshifts. The method was tuned to match the characteristics of the Sloan Digital Sky Survey and it exploits the spectroscopic redshifts provided by this…

Reconstruction of indoor surfaces with limited texture information or with repeated textures, a situation common in walls and ceilings, may be difficult with a monocular Structure from Motion system. We propose a Semantic Room Wireframe…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 David Gillsjö , Gabrielle Flood , Kalle Åström

The accurate modeling of indoor radio propagation is crucial for localization, monitoring, and device coordination, yet remains a formidable challenge, due to the complex nature of indoor environments where radio can propagate along…

Information Theory · Computer Science 2024-01-02 Lihao Zhang , Haijian Sun , Jin Sun , Rose Qingyang Hu

Place recognition and visual localization are particularly challenging in wide baseline configurations. In this paper, we contribute with the \emph{Danish Airs and Grounds} (DAG) dataset, a large collection of street-level and aerial images…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Andrea Vallone , Frederik Warburg , Hans Hansen , Søren Hauberg , Javier Civera

Single-view RGB-D grasp detection remains a common choice in 6-DoF robotic grasping systems, which typically requires a depth sensor. While RGB-only 6-DoF grasp methods has been studied recently, their inaccurate geometric representation is…

Robotics · Computer Science 2026-03-19 Kangxu Wang , Siang Chen , Chenxing Jiang , Shaojie Shen , Yixiang Dai , Guijin Wang

Scene understanding has been of high interest in computer vision. It encompasses not only identifying objects in a scene, but also their relationships within the given context. With this goal, a recent line of works tackles 3D semantic…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Johanna Wald , Helisa Dhamo , Nassir Navab , Federico Tombari

We measure the 3D genus topology of large scale structure using Luminous Red Galaxies (LRGs) in the Sloan Digital Sky Survey and find it consistent with the Gaussian random phase initial conditions expected from the simplest scenarios of…

Astrophysics · Physics 2019-08-13 J. Richard Gott , Yun-Young Choi , Changbom Park , Juhan Kim

Radio Dynamic Zones (RDZs) are geographically defined areas specifically allocated for testing new wireless technologies. It is essential to safeguard the regular spectrum users outside the zones from the interference caused by the deployed…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Mushfiqur Rahman , Sung Joon Maeng , Ismail Guvenc , Chau-Wai Wong

This paper presents the LoRaWAN at the Edge Dataset (LoED), an open LoRaWAN packet dataset collected at gateways. Real-world LoRaWAN datasets are important for repeatable sensor-network and communications research and evaluation as, if…

Networking and Internet Architecture · Computer Science 2020-10-28 Laksh Bhatia , Michael Breza , Ramona Marfievici , Julie A. McCann

Acquisition of data with adverse conditions in robotics is a cumbersome task due to the difficulty in guaranteeing proper ground truth and synchronising with desired weather conditions. In this paper, we present a simple method - recording…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Horia Porav , Valentina-Nicoleta Musat , Tom Bruls , Paul Newman