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Recent advances in Neural Radiance Fields and 3D Gaussian Splatting have demonstrated strong potential for large-scale UAV-based 3D reconstruction tasks by fitting the appearance of images. However, real-world large-scale captures are often…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Zhuoxiao Li , Wenzong Ma , Taoyu Wu , Jinjing Zhu , Zhenchao Q , Shuai Zhang , Jing Ou , Yinrui Ren , Weiqing Qi , Guobin Shen , Hui Xiong , Wufan Zhao

With the acceleration of the urban expansion, urban change detection (UCD), as a significant and effective approach, can provide the change information with respect to geospatial objects for dynamical urban analysis. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Shiqi Tian , Ailong Ma , Zhuo Zheng , Yanfei Zhong

We present HoloFace, an open-source framework for face alignment, head pose estimation and facial attribute retrieval for Microsoft HoloLens. HoloFace implements two state-of-the-art face alignment methods which can be used interchangeably:…

Computer Vision and Pattern Recognition · Computer Science 2018-02-02 Marek Kowalski , Zbigniew Nasarzewski , Grzegorz Galinski , Piotr Garbat

The analysis of flow around buildings has gained significant research interest across various domains, including pedestrian safety, pollutant dispersion, natural ventilation, and building energy efficiency. While these domains frequently…

Fluid Dynamics · Physics 2026-03-18 Hojin Lee , Andreas Lintermann , Sangseung Lee , Mario Rüttgers

Accurate 3D geometry acquisition is essential for a wide range of applications, such as computer graphics, autonomous driving, robotics, and augmented reality. However, raw point clouds acquired in real-world environments are often…

Graphics · Computer Science 2025-08-26 Jinxi Wang , Ben Fei , Dasith de Silva Edirimuni , Zheng Liu , Ying He , Xuequan Lu

Automated 3D city generation, focusing on road networks and building layouts, is in high demand for applications in urban design, multimedia games and autonomous driving simulations. The surge of generative AI facilitates designing city…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Tao Li , Ruihang Li , Huangnan Zheng , Shanding Ye , Shijian Li , Zhijie Pan

Realistic 3D city generation is fundamental to a wide range of applications, including virtual reality and digital twins. However, most existing methods rely on training a single diffusion model, which limits their ability to generate…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Keyang Lu , Sifan Zhou , Hongbin Xu , Gang Xu , Zhifei Yang , Yikai Wang , Zhen Xiao , Jieyi Long , Ming Li

The construction industry increasingly relies on visual data to support Artificial Intelligence (AI) and Machine Learning (ML) applications for site monitoring. High-quality, domain-specific datasets, comprising images, videos, and point…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Ruoxin Xiong , Yanyu Wang , Jiannan Cai , Kaijian Liu , Yuansheng Zhu , Pingbo Tang , Nora El-Gohary

Paris-CARLA-3D is a dataset of several dense colored point clouds of outdoor environments built by a mobile LiDAR and camera system. The data are composed of two sets with synthetic data from the open source CARLA simulator (700 million…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Jean-Emmanuel Deschaud , David Duque , Jean Pierre Richa , Santiago Velasco-Forero , Beatriz Marcotegui , and François Goulette

While informal settlements lack focused development and are highly dynamic, the quality of spatial data for these places may be uncertain. This study evaluates the quality and biases of AI-generated Open Building Datasets (OBDs) generated…

Databases · Computer Science 2025-08-19 Franz Okyere , Meng Lu , Ansgar Brunn

Automatically estimating 3D skeleton, shape, camera viewpoints, and part articulation from sparse in-the-wild image ensembles is a severely under-constrained and challenging problem. Most prior methods rely on large-scale image datasets,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Chun-Han Yao , Wei-Chih Hung , Yuanzhen Li , Michael Rubinstein , Ming-Hsuan Yang , Varun Jampani

In this paper, we introduce a novel structural holistic Atlas (holiAtlas) of the human brain anatomy based on multimodal and high-resolution MRI that covers several anatomical levels from the organ to the substructure level, using a new…

Reconstructing texture-less surfaces poses unique challenges in computer vision, primarily due to the lack of specialized datasets that cater to the nuanced needs of depth and normals estimation in the absence of textural information. We…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Muhammad Saif Ullah Khan , Sankalp Sinha , Didier Stricker , Marcus Liwicki , Muhammad Zeshan Afzal

We present CrossLoc3D, a novel 3D place recognition method that solves a large-scale point matching problem in a cross-source setting. Cross-source point cloud data corresponds to point sets captured by depth sensors with different…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Tianrui Guan , Aswath Muthuselvam , Montana Hoover , Xijun Wang , Jing Liang , Adarsh Jagan Sathyamoorthy , Damon Conover , Dinesh Manocha

3D detection is a critical task that enables machines to identify and locate objects in three-dimensional space. It has a broad range of applications in several fields, including autonomous driving, robotics and augmented reality. Monocular…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Aakash Kumar , Chen Chen , Ajmal Mian , Neils Lobo , Mubarak Shah

With the recent availability and affordability of commercial depth sensors and 3D scanners, an increasing number of 3D (i.e., RGBD, point cloud) datasets have been publicized to facilitate research in 3D computer vision. However, existing…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Qingyong Hu , Bo Yang , Sheikh Khalid , Wen Xiao , Niki Trigoni , Andrew Markham

Humans can naturally identify and mentally complete occluded objects in cluttered environments. However, imparting similar cognitive ability to robotics remains challenging even with advanced reconstruction techniques, which models scenes…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zesong Yang , Bangbang Yang , Wenqi Dong , Chenxuan Cao , Liyuan Cui , Yuewen Ma , Zhaopeng Cui , Hujun Bao

Three-dimensional urban reconstruction of buildings from single-view images has attracted significant attention over the past two decades. However, recent methods primarily focus on rooftops from aerial images, often overlooking essential…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Soulaimene Turki , Daniel Panangian , Houda Chaabouni-Chouayakh , Ksenia Bittner

Image alignment and image restoration are classical computer vision tasks. However, there is still a lack of datasets that provide enough data to train and evaluate end-to-end deep learning models. Obtaining ground-truth data for image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

High-resolution image (HRI) understanding aims to process images with a large number of pixels, such as pathological images and agricultural aerial images, both of which can exceed 1 million pixels. Vision Large Language Models (VLMs) can…