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Articulated objects are fundamental for robotics, simulation of physics, and interactive virtual environments. However, reconstructing them from visual input remains challenging, as it requires jointly inferring both part geometry and…

Robotics · Computer Science 2026-03-17 Zhuangzhe Wu , Yue Xin , Chengkai Hou , Minghao Chen , Yaoxu Lyu , Jieyu Zhang , Shanghang Zhang

This work presents a technique to build interaction-based Cognitive Twins (a computational version of an external agent) using input-output training and an Evolution Strategy on top of a framework for distributed Cognitive Architectures.…

Artificial Intelligence · Computer Science 2025-02-05 Wandemberg Gibaut , Ricardo Gudwin

Digital twins, as precise digital representations of physical systems, have evolved from passive simulation tools into intelligent and autonomous entities through the integration of artificial intelligence technologies. This paper presents…

The generation of 3D models from real-world objects has often been accomplished through photogrammetry, i.e., by taking 2D photos from a variety of perspectives and then triangulating matched point-based features to create a textured mesh.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Jacob Rubinstein , Avi Donaty , Don Engel

The Digital Twins (DT) has quickly become a hot topic since it was proposed. It not only appears in all kinds of commercial propaganda, but also is widely quoted by academic circles. However, there are misstatements and misuse of the term…

Computational Engineering, Finance, and Science · Computer Science 2022-03-25 Jiehan Zhou , Shouhua Zhang , Mu Gu

Digital Twin, as an emerging technology related to Cyber-Physical Systems (CPS) and Internet of Things (IoT), has attracted increasing attentions during the past decade. Conceptually, a Digital Twin is a digital replica of a physical entity…

Systems and Control · Electrical Eng. & Systems 2021-05-05 Ziran Wang , Kyungtae Han , Prashant Tiwari

While the digital twin has become an intrinsic part of the product creation process, its true power lies in the connectivity of the digital representation with its physical counterpart. Data acquired on the physical asset can validate,…

Other Computer Science · Computer Science 2023-04-17 Herman Van der Auweraer , Dirk Hartmann

In the manufacturing industry, the digital twin (DT) is becoming a central topic. It has the potential to enhance the efficiency of manufacturing machines and reduce the frequency of errors. In order to fulfill its purpose, a DT must be an…

Systems and Control · Electrical Eng. & Systems 2024-08-26 Zhibo Zhou , Michael Walther , Alexander Verl

This paper explores the opportunities of using a digital twin to address the complexities of collaborative production systems through an industrial case and a demonstrator. A digital twin, as a virtual counterpart of a physical human-robot…

Computers and Society · Computer Science 2020-11-24 Ali Ahmad Malik , Alexander Brem

We live in a world of exploding complexity driven by technical evolution as well as highly volatile socio-economic environments. Managing complexity is a key issue in everyday decision making such as providing safe, sustainable, and…

Computers and Society · Computer Science 2023-11-28 Dirk Hartmann

This paper introduces Sketched Reality, an approach that combines AR sketching and actuated tangible user interfaces (TUI) for bidirectional sketching interaction. Bi-directional sketching enables virtual sketches and physical objects to…

Human-Computer Interaction · Computer Science 2022-10-05 Hiroki Kaimoto , Kyzyl Monteiro , Mehrad Faridan , Jiatong Li , Samin Farajian , Yasuaki Kakehi , Ken Nakagaki , Ryo Suzuki

Teaching robots new skills quickly and conveniently is crucial for the broader adoption of robotic systems. In this work, we address the problem of one-shot imitation from a single human demonstration, given by an RGB-D video recording. We…

Robotics · Computer Science 2025-01-30 Nick Heppert , Max Argus , Tim Welschehold , Thomas Brox , Abhinav Valada

Despite much progress in large 3D datasets there are currently few interactive 3D object datasets, and their scale is limited due to the manual effort required in their construction. We introduce the static to openable (S2O) task which…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Denys Iliash , Hanxiao Jiang , Yiming Zhang , Manolis Savva , Angel X. Chang

This article presents a vision where \textit{real-time} digital twins of the physical wireless environments are continuously updated using multi-modal sensing data from the distributed infrastructure and user devices, and are used to make…

Signal Processing · Electrical Eng. & Systems 2023-01-27 Ahmed Alkhateeb , Shuaifeng Jiang , Gouranga Charan

Background. Digital Twins (DTs) are dynamic virtual representations of physical systems, enabled by seamless, bidirectional communication between the physical and digital realms. Among the challenges impeding the widespread adoption of DTs…

Software Engineering · Computer Science 2025-10-14 Alessandra Somma , Domenico Amalfitano , Alessandra De Benedictis , Patrizio Pelliccione

A new network named the "Digital Twin Network" (DTN) uses the "Digital Twin" (DT) technology to produce virtual twins of real things. The network load and size continue to grow as a result of the development of 5G, the Internet of Things,…

Networking and Internet Architecture · Computer Science 2023-12-27 Abubakar Isah , Hyeju Shin , Ibrahim Aliyu , Sangwon Oh , Sangjoon Lee , Jaehyung Park , Minsoo Hahn , Jinsul Kim

A Mobility Digital Twin is an emerging implementation of digital twin technology in the transportation domain, which creates digital replicas for various physical mobility entities, such as vehicles, drivers, and pedestrians. Although a few…

Networking and Internet Architecture · Computer Science 2023-07-20 Yueyang Liu , Xiaolong Tu , Dawei Chen , Kyungtae Han , Onur Altintas , Haoxin Wang , Jiang Xie

Human Digital Twins (HDTs) are digital replicas of humans that either mirror a complete human body, some parts of it as can be organs, flows, cells, or even human behaviors. An HDT is a human specific replica application inferred from the…

Other Computer Science · Computer Science 2023-02-08 Heribert Pascual , Xavi Masip Bruin , Albert Alonso , Judit Cerdà

We introduce ART, Articulated Reconstruction Transformer -- a category-agnostic, feed-forward model that reconstructs complete 3D articulated objects from only sparse, multi-state RGB images. Previous methods for articulated object…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Zizhang Li , Cheng Zhang , Zhengqin Li , Henry Howard-Jenkins , Zhaoyang Lv , Chen Geng , Jiajun Wu , Richard Newcombe , Jakob Engel , Zhao Dong

3D Reconstruction of moving articulated objects without additional information about object structure is a challenging problem. Current methods overcome such challenges by employing category-specific skeletal models. Consequently, they do…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Hao Zhang , Fang Li , Samyak Rawlekar , Narendra Ahuja