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Building footprint segmentations for high resolution images are increasingly demanded for many remote sensing applications. By the emerging deep learning approaches, segmentation networks have made significant advances in the semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 A. Ziaee , R. Dehbozorgi , M. Döller

Polygonal modeling is a core task of content creation in Computer Graphics. The complexity of modeling, in terms of the number and the order of operations and time required to execute them makes it challenging to learn and execute. Our goal…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 I-Chao Shen , Yu Ju Chen , Oliver van Kaick , Takeo Igarashi

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

Polygonal building outlines are crucial for geographic and cartographic applications. The existing approaches for outline extraction from aerial or satellite imagery are typically decomposed into subtasks, e.g., building masking and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Weiqin Jiao , Hao Cheng , Claudio Persello , George Vosselman

Extracting building footprints from remote sensing images has been attracting extensive attention recently. Dominant approaches address this challenging problem by generating vectorized building masks with cumbersome refinement stages,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Mingming Zhang , Ye Du , Zhenghui Hu , Qingjie Liu , Yunhong Wang

Extracting polygonal building footprints from off-nadir imagery is crucial for diverse applications. Current deep-learning-based extraction approaches predominantly rely on semantic segmentation paradigms and post-processing algorithms,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Kai Li , Yupeng Deng , Jingbo Chen , Yu Meng , Zhihao Xi , Junxian Ma , Chenhao Wang , Maolin Wang , Xiangyu Zhao

Most urban applications necessitate building footprints in the form of concise vector graphics with sharp boundaries rather than pixel-wise raster images. This need contrasts with the majority of existing methods, which typically generate…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Haojia Yu , Han Hu , Bo Xu , Qisen Shang , Zhendong Wang , Qing Zhu

While most state-of-the-art instance segmentation methods produce binary segmentation masks, geographic and cartographic applications typically require precise vector polygons of extracted objects instead of rasterized output. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Stefano Zorzi , Shabab Bazrafkan , Stefan Habenschuss , Friedrich Fraundorfer

We propose a new approach, named PolyMapper, to circumvent the conventional pixel-wise segmentation of (aerial) images and predict objects in a vector representation directly. PolyMapper directly extracts the topological map of a city from…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Zuoyue Li , Jan Dirk Wegner , Aurélien Lucchi

Extracting building contours from remote sensing imagery is a significant challenge due to buildings' complex and diverse shapes, occlusions, and noise. Existing methods often struggle with irregular contours, rounded corners, and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Tao Zhang , Shiqing Wei , Yikang Zhou , Muying Luo , Wenling You , Shunping Ji

We present a novel method, called CenterPoly, for real-time instance segmentation using bounding polygons. We apply it to detect road users in dense urban environments, making it suitable for applications in intelligent transportation…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Maguelonne Héritier

Building footprint information is an essential ingredient for 3-D reconstruction of urban models. The automatic generation of building footprints from satellite images presents a considerable challenge due to the complexity of building…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Yilei Shi , Qinyu Li , Xiaoxiang Zhu

The growing demand for high-resolution maps across various applications has underscored the necessity of accurately segmenting building vectors from overhead imagery. However, current deep neural networks often produce raster data outputs,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Mohammad Moein Sheikholeslami , Muhammad Kamran , Andreas Wichmann , Gunho Sohn

While state of the art image segmentation models typically output segmentations in raster format, applications in geographic information systems often require vector polygons. To help bridge the gap between deep network output and the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Nicolas Girard , Dmitriy Smirnov , Justin Solomon , Yuliya Tarabalka

Self-driving vehicles rely on urban street maps for autonomous navigation. In this paper, we introduce Pix2Map, a method for inferring urban street map topology directly from ego-view images, as needed to continually update and expand…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Xindi Wu , KwunFung Lau , Francesco Ferroni , Aljoša Ošep , Deva Ramanan

Despite notable results on standard aerial datasets, current state-of-the-arts fail to produce accurate building footprints in dense areas due to challenging properties posed by these areas and limited data availability. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Vuong Nguyen , Anh Ho , Duc-Anh Vu , Nguyen Thi Ngoc Anh , Tran Ngoc Thang

Polygonal building outline extraction has been a research focus in recent years. Most existing methods have addressed this challenging task by decomposing it into several subtasks and employing carefully designed architectures. Despite…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Weiqin Jiao , Claudio Persello , George Vosselman

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

Reconstructing a structured vector-graphics representation from a rasterized floorplan image is typically an important prerequisite for computational tasks involving floorplans such as automated understanding or CAD workflows. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Hao Phung , Hadar Averbuch-Elor

Humans have the ability to seamlessly combine low-level visual input with high-level symbolic reasoning often in the form of recognising objects, learning relations between them and applying rules. Neuro-symbolic systems aim to bring a…

Machine Learning · Computer Science 2022-03-01 Nuri Cingillioglu , Alessandra Russo
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