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Creating a digital world that closely mimics the real world with its many complex interactions and outcomes is possible today through advanced emulation software and ubiquitous computing power. Such a software-based emulation of an entity…

Signal Processing · Electrical Eng. & Systems 2023-05-18 Batool Salehi , Utku Demir , Debashri Roy , Suyash Pradhan , Jennifer Dy , Stratis Ioannidis , Kaushik Chowdhury

Digital network twin (DNT) is a promising paradigm to replicate real-world cellular networks toward continual assessment, proactive management, and what-if analysis. Existing discussions have been focusing on using only deep learning…

Networking and Internet Architecture · Computer Science 2023-11-22 Yuru Zhang , Ming Zhao , Qiang Liu

Articulated objects, as prevalent entities in human life, their 3D representations play crucial roles across various applications. However, achieving both high-fidelity textured surface reconstruction and dynamic generation for articulated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Di Wu , Liu Liu , Zhou Linli , Anran Huang , Liangtu Song , Qiaojun Yu , Qi Wu , Cewu Lu

Road inspection is crucial for maintaining road serviceability and ensuring traffic safety, as road defects gradually develop and compromise functionality. Traditional inspection methods, which rely on manual evaluations, are…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Yikang Zhang , Chuang-Wei Liu , Jiahang Li , Yingbing Chen , Jie Cheng , Rui Fan

We build rearticulable models for arbitrary everyday man-made objects containing an arbitrary number of parts that are connected together in arbitrary ways via 1 degree-of-freedom joints. Given point cloud videos of such everyday objects,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Shaowei Liu , Saurabh Gupta , Shenlong Wang

With the advances of IoT developments, copious sensor data are communicated through wireless networks and create the opportunity of building Digital Twins to mirror and simulate the complex physical world. Digital Twin has long been…

Machine Learning · Computer Science 2023-04-21 Jiadi Du , Tie Luo

Accurately digitizing physical objects is central to many applications, including virtual/augmented reality, industrial design, and e-commerce. Prior research has demonstrated efficient and faithful reconstruction of objects' geometric…

Graphics · Computer Science 2024-06-26 Yunxiang Zhang , Xin Sun , Dengfeng Li , Xinge Yu , Qi Sun

Robotic manipulation policies are advancing rapidly, but their direct evaluation in the real world remains costly, time-consuming, and difficult to reproduce, particularly for tasks involving deformable objects. Simulation provides a…

Reconstructing articulated objects is essential for building digital twins of interactive environments. However, prior methods typically decouple geometry and motion by first reconstructing object shape in distinct states and then…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Licheng Shen , Saining Zhang , Honghan Li , Peilin Yang , Zihao Huang , Zongzheng Zhang , Hao Zhao

Human Digital Twins (HDTs) have traditionally been conceptualized as data-driven models designed to support decision-making across various domains. However, recent advancements in conversational AI open new possibilities for HDTs to…

Emerging Technologies · Computer Science 2025-07-01 Lluís C. Coll , Martin W. Lauer-Schmaltz , Philip Cash , John P. Hansen , Anja Maier

Digital Twins (DTs) are rapidly emerging as a fundamental brick of engineering cyber-physical systems, but their notion is still mostly bound to specific business domains (e.g. manufacturing), goals (e.g. product design), or application…

Multiagent Systems · Computer Science 2022-11-15 Stefano Mariani , Marco Picone , Alessandro Ricci

Digital twins (DTs), virtual simulated replicas of physical scenes, are transforming various industries. However, their potential in radio frequency (RF) sensing applications has been limited by the unidirectional nature of conventional RF…

Signal Processing · Electrical Eng. & Systems 2025-08-21 Xingyu Chen , Jianrong Ding , Kai Zheng , Xinmin Fang , Xinyu Zhang , Chris Xiaoxuan Lu , Zhengxiong Li

Quantitative comparison of the quality of photoacoustic image reconstruction algorithms remains a major challenge. No-reference image quality measures are often inadequate, but full-reference measures require access to an ideal reference…

The simulation of a physical system in a virtual replica, known as a digital twin, is a useful way to interrogate the system non-invasively, providing the ability to perform predictive maintenance and surveillance, and to investigate…

We study the problem of imitating object interactions from Internet videos. This requires understanding the hand-object interactions in 4D, spatially in 3D and over time, which is challenging due to mutual hand-object occlusions. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Austin Patel , Andrew Wang , Ilija Radosavovic , Jitendra Malik

Digital Twin (DT) has gained great interest as an innovative technology in Industry 4.0 that enables advanced modeling, simulation, and optimization of service and manufacturing systems. This article provides an extensive review of the…

General Mathematics · Mathematics 2026-01-26 Sarow Saeedi

Articulated objects are ubiquitous and important in robotics, AR/VR, and digital twins. Most self-supervised methods for articulated object modeling reconstruct discrete interaction states and relate them via cross-state geometric…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Haowen Wang , Xiaoping Yuan , Zhao Jin , Zhen Zhao , Zhengping Che , Yousong Xue , Jin Tian , Yakun Huang , Jian Tang

Simulating object dynamics from real-world perception shows great promise for digital twins and robotic manipulation but often demands labor-intensive measurements and expertise. We present a fully automated Real2Sim pipeline that generates…

Robotics · Computer Science 2025-04-02 Nicholas Pfaff , Evelyn Fu , Jeremy Binagia , Phillip Isola , Russ Tedrake

Digital Twins (DTs) are a conventional and well-known concept, proposed in 70s, that are popular in a broad spectrum of sciences, industry innovations, and consortium alliances. However, in the last few years, the growth of digital assets…

Networking and Internet Architecture · Computer Science 2022-04-26 Saeed Banaeian Far , Azadeh Imani Rad

Digital twins promise to enhance robotic manipulation by maintaining a consistent link between real-world perception and simulation. However, most existing systems struggle with the lack of a unified model, complex dynamic interactions, and…

Robotics · Computer Science 2026-03-06 Yichen Cai , Paul Jansonnie , Cristiana de Farias , Oleg Arenz , Jan Peters