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This paper presents a novel method for transforming large-scale historical expressway route search records into a three-dimensional (3D) Origin-Destination (OD) map, enabling data compression, efficient spatiotemporal sampling and…

计算机与社会 · 计算机科学 2025-07-29 Hangli Ge , Dizhi Huang , Xiaojie Yang , Lifeng Lin , Kazuma Hatano , Takeshi Kawasaki , Noboru Koshizuka

SLAM (Simultaneous Localisation and Mapping) is a crucial component for robotic systems, providing a map of an environment, the current location and previous trajectory of a robot. While 3D LiDAR SLAM has received notable improvements in…

机器人学 · 计算机科学 2025-04-29 Leon Davies , Baihua Li , Mohamad Saada , Simon Sølvsten , Qinggang Meng

CityGML is a data model used to represent the geometric and semantic information of urban 3D city objects. There are several ways to generate 3D models for applications such as gaming, media content for movies and TV, and 3D printing among…

人机交互 · 计算机科学 2021-10-01 Pranjal Swarup

Generating unbounded 3D scenes is crucial for large-scale scene understanding and simulation. Urban scenes, unlike natural landscapes, consist of various complex man-made objects and structures such as roads, traffic signs, vehicles, and…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Junge Zhang , Qihang Zhang , Li Zhang , Ramana Rao Kompella , Gaowen Liu , Bolei Zhou

Transportation planning plays a critical role in shaping urban development, economic mobility, and infrastructure sustainability. However, traditional planning methods often struggle to accurately predict long-term urban growth and…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Eugene Denteh , Andrews Danyo , Joshua Kofi Asamoah , Blessing Agyei Kyem , Twitchell Addai , Armstrong Aboah

Cities play an important role in achieving sustainable development goals (SDGs) to promote economic growth and meet social needs. Especially satellite imagery is a potential data source for studying sustainable urban development. However, a…

计算机视觉与模式识别 · 计算机科学 2023-08-02 Yanxin Xi , Yu Liu , Tong Li , Jintao Ding , Yunke Zhang , Sasu Tarkoma , Yong Li , Pan Hui

We propose a real-time dynamic LiDAR odometry pipeline for mobile robots in Urban Search and Rescue (USAR) scenarios. Existing approaches to dynamic object detection often rely on pretrained learned networks or computationally expensive…

机器人学 · 计算机科学 2024-11-28 Jonathan Lichtenfeld , Kevin Daun , Oskar von Stryk

Detecting an Out-of-Domain (OOD) utterance is crucial for a robust dialog system. Most dialog systems are trained on a pool of annotated OOD data to achieve this goal. However, collecting the annotated OOD data for a given domain is an…

计算与语言 · 计算机科学 2021-04-07 Petr Marek , Vishal Ishwar Naik , Vincent Auvray , Anuj Goyal

Mass transport problems arise in many areas of machine learning whereby one wants to compute a map transporting one distribution to another. Generative modeling techniques like Generative Adversarial Networks (GANs) and Denoising Diffusion…

机器学习 · 计算机科学 2024-09-17 Valentin De Bortoli , Iryna Korshunova , Andriy Mnih , Arnaud Doucet

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…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Tao Li , Ruihang Li , Huangnan Zheng , Shanding Ye , Shijian Li , Zhijie Pan

The extraction of a clear and simple footprint of the structure of large, weighted and directed networks is a general problem that has many applications. An important example is given by origin-destination matrices which contain the…

Diffusion models have achieved state-of-the-art results on many modalities including images, speech, and video. However, existing models are not tailored to support remote sensing data, which is widely used in important applications…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Samar Khanna , Patrick Liu , Linqi Zhou , Chenlin Meng , Robin Rombach , Marshall Burke , David Lobell , Stefano Ermon

City-scale 3D reconstruction from satellite imagery presents the challenge of extreme viewpoint extrapolation, where our goal is to synthesize ground-level novel views from sparse orbital images with minimal parallax. This requires…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Fei Yu , Yu Liu , Luyang Tang , Mingchao Sun , Zengye Ge , Rui Bu , Yuchao Jin , Haisen Zhao , He Sun , Yangyan Li , Mu Xu , Wenzheng Chen , Baoquan Chen

Remote sensing images captured by different platforms exhibit significant disparities in spatial resolution. Large scale factor super-resolution (SR) algorithms are vital for maximizing the utilization of low-resolution (LR) satellite data…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Ce Wang , Wanjie Sun

The recent surge in interest in city layout generation underscores its significance in urban planning and smart city development. The task involves procedurally or automatically generating spatial arrangements for urban elements such as…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Jie Deng , Wenhao Chai , Jianshu Guo , Qixuan Huang , Junsheng Huang , Wenhao Hu , Shengyu Hao , Jenq-Neng Hwang , Gaoang Wang

Short-term origin-destination (OD) flow prediction in urban rail transit (URT) plays a crucial role in smart and real-time URT operation and management. Different from other short-term traffic forecasting methods, the short-term OD flow…

信号处理 · 电气工程与系统科学 2021-01-06 Jinlei Zhang , Hongshu Che , Feng Chen , Wei Ma , Zhengbing He

Transportation networks are unprecedentedly complex with heterogeneous vehicular flow. Conventionally, vehicle classes are considered by vehicle classifications (such as standard passenger cars and trucks). However, vehicle flow…

系统与控制 · 计算机科学 2019-03-13 Wei Ma , Xidong Pi , Sean Qian

We propose a novel framework, On-Demand MOtion Generation (ODMO), for generating realistic and diverse long-term 3D human motion sequences conditioned only on action types with an additional capability of customization. ODMO shows…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Qiujing Lu , Yipeng Zhang , Mingjian Lu , Vwani Roychowdhury

High-resolution road representations are a key factor for the success of (highly) automated driving functions. These representations, for example, high-definition (HD) maps, contain accurate information on a multitude of factors, among…

机器人学 · 计算机科学 2024-05-14 Leon Eisemann , Johannes Maucher

The goal of traffic simulation is to augment a potentially limited amount of manually-driven miles that is available for testing and validation, with a much larger amount of simulated synthetic miles. The culmination of this vision would be…