English
Related papers

Related papers: Polygonizing Roof Segments from High-Resolution Ae…

200 papers

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

Building segmentation is of great importance in the task of remote sensing imagery interpretation. However, the existing semantic segmentation and instance segmentation methods often lead to segmentation masks with blurred boundaries. In…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Qingyu Li , Lichao Mou , Yuansheng Hua , Yao Sun , Pu Jin , Yilei Shi , Xiao Xiang Zhu

Aerial object detection presents challenges from small object sizes, high density clustering, and image quality degradation from distance and motion blur. These factors create an information bottleneck where limited pixel representation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Ragib Amin Nihal , Benjamin Yen , Takeshi Ashizawa , Katsutoshi Itoyama , Kazuhiro Nakadai

The increasing urbanization and the growing number of vehicles in cities have underscored the need for efficient parking management systems. Traditional smart parking solutions often rely on sensors or cameras for occupancy detection, each…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Gustavo P. C. P. da Luz , Gabriel Massuyoshi Sato , Luis Fernando Gomez Gonzalez , Juliana Freitag Borin

In this work, we use multi-view aerial images to reconstruct the geometry, lighting, and material of facades using neural signed distance fields (SDFs). Without the requirement of complex equipment, our method only takes simple RGB images…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Zixuan Xie , Rengan Xie , Rong Li , Kai Huang , Pengju Qiao , Jingsen Zhu , Xu Yin , Qi Ye , Wei Hua , Yuchi Huo , Hujun Bao

We propose a new method for segmentation-free joint estimation of orthogonal planes, their intersection lines, relationship graph and corners lying at the intersection of three orthogonal planes. Such unified scene exploration under…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Christiane Sommer , Yumin Sun , Leonidas Guibas , Daniel Cremers , Tolga Birdal

Recent advances in the area of plane segmentation from single RGB images show strong accuracy improvements and now allow a reliable segmentation of indoor scenes into planes. Nonetheless, fine-grained details of these segmentation masks are…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Alexander Naumann , Laura Dörr , Niels Ole Salscheider , Kai Furmans

The integrity of offshore wind turbines, pivotal for sustainable energy generation, is often compromised by surface material defects. Despite the availability of various detection techniques, limitations persist regarding…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Yantong Liu

We present a method for jointly predicting instance-level roof segment masks together with three continuous geometric attributes -- building height, roof slope, and roof azimuth -- from a single aerial orthophoto. Our approach extends Mask…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Luuk Versteeg , Rob G. J. Wijnhoven , Martin R. Oswald

We present PolyBuilding, a fully end-to-end polygon Transformer for building extraction. PolyBuilding direct predicts vector representation of buildings from remote sensing images. It builds upon an encoder-decoder transformer architecture…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Yuan Hu , Zhibin Wang , Zhou Huang , Yu Liu

Efficient structural perception is essential for mapping and autonomous navigation on resource-constrained robots. Existing 3D methods are computationally prohibitive, while traditional 2D geometric approaches lack robustness. This paper…

Robotics · Computer Science 2026-04-21 Guanliang Li , Pedro Espinosa-Angulo , David Perez-Saura , Santiago Tapia-Fernandez

Precise segmentation of irregular and densely arranged components is essential for robotic disassembly and material recovery in electronic waste (e-waste) recycling. This study evaluates the impact of model architecture and scale on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Xinyao Zhang , Chang Liu , Xiao Liang , Minghui Zheng , Sara Behdad

360{\deg} cameras have gained popularity over the last few years. In this paper, we propose two fundamental techniques -- Field-of-View IoU (FoV-IoU) and 360Augmentation for object detection in 360{\deg} images. Although most object…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Miao Cao , Satoshi Ikehata , Kiyoharu Aizawa

Elevator button recognition is a critical function to realize the autonomous operation of elevators. However, challenging image conditions and various image distortions make it difficult to recognize buttons accurately. To fill this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Nachuan Ma , Jianbang Liu , Delong Zhu

Automatic object detection by satellite remote sensing images is of great significance for resource exploration and natural disaster assessment. To solve existing problems in remote sensing image detection, this article proposes an improved…

Computer Vision and Pattern Recognition · Computer Science 2025-02-06 Lei Yang , Guowu Yuan , Hao Zhou , Hongyu Liu , Jian Chen , Hao Wu

Accurate extraction of key information from 2D engineering drawings is crucial for high-precision manufacturing. Manual extraction is slow and labor-intensive, while traditional Optical Character Recognition (OCR) techniques often struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Muhammad Tayyab Khan , Zane Yong , Lequn Chen , Jun Ming Tan , Wenhe Feng , Seung Ki Moon

Object detection is crucial in various cutting-edge applications, such as autonomous vehicles and advanced robotics systems, primarily relying on data from conventional frame-based RGB sensors. However, these sensors often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Diego A. Silva , Kamilya Smagulova , Ahmed Elsheikh , Mohammed E. Fouda , Ahmed M. Eltawil

Detecting oriented objects along with estimating their rotation information is one crucial step for analyzing remote sensing images. Despite that many methods proposed recently have achieved remarkable performance, most of them directly…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Yanjie Wang , Xu Zou , Zhijun Zhang , Wenhui Xu , Liqun Chen , Sheng Zhong , Luxin Yan , Guodong Wang

We present a novel pipeline for learning the conditional distribution of a building roof mesh given pixels from an aerial image, under the assumption that roof geometry follows a set of regular patterns. Unlike alternative methods that…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Maxim Khomiakov , Alejandro Valverde Mahou , Alba Reinders Sánchez , Jes Frellsen , Michael Riis Andersen

The leading segmentation methods represent the output map as a pixel grid. We study an alternative representation in which the object edges are modeled, per image patch, as a polygon with $k$ vertices that is coupled with per-patch label…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Tal Shaharabany , Lior Wolf