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Related papers: CBHE: Corner-based Building Height Estimation for …

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The neural moving horizon estimator (NMHE) is a relatively new and powerful state estimator that combines the strengths of neural networks (NNs) and model-based state estimation techniques. Various approaches exist for constructing NMHEs,…

In this paper, we attempt to address the challenging problem of counting built-structures in the satellite imagery. Building density is a more accurate estimate of the population density, urban area expansion and its impact on the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Anza Shakeel , Waqas Sultani , Mohsen Ali

Camouflaged object detection (COD) aims to identify objects in images that are well hidden in the environment due to their high similarity to the background in terms of texture and color. However, existing most boundary-guided camouflage…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Junmin Cai , Han Sun , Ningzhong Liu

Accurate and fine-grained information about the extent of damage to buildings is essential for directing Humanitarian Aid and Disaster Response (HADR) operations in the immediate aftermath of any natural calamity. In recent years, satellite…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Rohit Gupta , Mubarak Shah

With the rapid advancement of 3D sensing technologies, obtaining 3D shape information of objects has become increasingly convenient. Lidar technology, with its capability to accurately capture the 3D information of objects at long…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Weixiao Gao , Ravi Peters , Jantien Stoter

Channel knowledge map (CKM) is a novel technique for achieving environment awareness, and thereby improving the communication and sensing performance for wireless systems. A fundamental problem associated with CKM is how to construct a…

Signal Processing · Electrical Eng. & Systems 2024-11-15 Shiyu Wang , Xiaoli Xu , Yong Zeng

Information on urban tree canopies is fundamental to mitigating climate change [1] as well as improving quality of life [2]. Urban tree planting initiatives face a lack of up-to-date data about the horizontal and vertical dimensions of the…

Image and Video Processing · Electrical Eng. & Systems 2022-12-13 John Francis , Stephen Law

Deep learning-based methods have been extensively explored for automatic building mapping from high-resolution remote sensing images over recent years. While most building mapping models produce vector polygons of buildings for geographic…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Mingming Zhang , Qingjie Liu , Yunhong Wang

3D object detection based on roadside cameras is an additional way for autonomous driving to alleviate the challenges of occlusion and short perception range from vehicle cameras. Previous methods for roadside 3D object detection mainly…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Xiahan Chen , Mingjian Chen , Sanli Tang , Yi Niu , Jiang Zhu

Detection of buildings and other objects from aerial images has various applications in urban planning and map making. Automated building detection from aerial imagery is a challenging task, as it is prone to varying lighting conditions,…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Clint Sebastian , Bas Boom , Thijs van Lankveld , Egor Bondarev , Peter H. N. De With

3D object detection aims to predict object centers, dimensions, and rotations from LiDAR point clouds. Despite its simplicity, LiDAR captures only the near side of objects, making center-based detectors prone to poor localization accuracy…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Ruixiao Zhang , Runwei Guan , Xiangyu Chen , Adam Prugel-Bennett , Xiaohao Cai

Precise calibration is a must for high reliance 3D computer vision algorithms. A challenging case is when the camera is behind a protective glass or transparent object: due to refraction, the image is heavily distorted; the pinhole camera…

Computer Vision and Pattern Recognition · Computer Science 2019-09-25 Szabolcs Pável , Csanád Sándor , Lehel Csató

Building change detection is essential for monitoring urbanization, disaster assessment, urban planning and frequently updating the maps. 3D structure information from airborne light detection and ranging (LiDAR) is very effective for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Ritu Yadav , Andrea Nascetti , Yifang Ban

With the increasing availability of aerial and satellite imagery, deep learning presents significant potential for transportation asset management, safety analysis, and urban planning. This study introduces CrosswalkNet, a robust and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Zubin Bhuyan , Yuanchang Xie , AngkeaReach Rith , Xintong Yan , Nasko Apostolov , Jimi Oke , Chengbo Ai

Effective BEV object detection on infrastructure can greatly improve traffic scenes understanding and vehicle-toinfrastructure (V2I) cooperative perception. However, cameras installed on infrastructure have various postures, and previous…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Siqi Fan , Zhe Wang , Xiaoliang Huo , Yan Wang , Jingjing Liu

In this paper we present a differential approach to photo-polarimetric shape estimation. We propose several alternative differential constraints based on polarisation and photometric shading information and show how to express them in a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-28 Silvia Tozza , William A. P. Smith , Dizhong Zhu , Ravi Ramamoorthi , Edwin R. Hancock

In this paper, we address the problem of estimating scale factors between images. We formulate the scale estimation problem as a prediction of a probability distribution over scale factors. We design a new architecture, ScaleNet, that…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Axel Barroso-Laguna , Yurun Tian , Krystian Mikolajczyk

Structured reconstruction is a non-trivial dense prediction problem, which extracts structural information (\eg, building corners and edges) from a raster image, then reconstructs it to a 2D planar graph accordingly. Compared with common…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Hongbo Tian , Yulong Li , Linzhi Huang , Xu Ling , Yue Yang , Jiani Hu

Building 3D reconstruction from remote sensing images has a wide range of applications in smart cities, photogrammetry and other fields. Methods for automatic 3D urban building modeling typically employ multi-view images as input to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Yongqiang Mao , Kaiqiang Chen , Liangjin Zhao , Wei Chen , Deke Tang , Wenjie Liu , Zhirui Wang , Wenhui Diao , Xian Sun , Kun Fu

We present RoarNet, a new approach for 3D object detection from a 2D image and 3D Lidar point clouds. Based on two-stage object detection framework with PointNet as our backbone network, we suggest several novel ideas to improve 3D object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-12 Kiwoo Shin , Youngwook Paul Kwon , Masayoshi Tomizuka