Linking physical objects to their digital twins via fiducial markers designed for invisibility to humans
Autor: | Rijeesh Kizhakidathazhath, Danqing Liu, Mathew Schwartz, Yong Geng, Hakam Agha, Gabriele Lenzini, Jan P. F. Lagerwall |
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Přispěvatelé: | European Commission - EC [sponsor], Fonds National de la Recherche - FnR [sponsor], Office of Naval Research Global [sponsor] |
Rok vydání: | 2021 |
Předmět: |
construction
Invisibility building information modeling Computer science Materials Science (miscellaneous) FOS: Physical sciences 02 engineering and technology Systems and Control (eess.SY) Space (commercial competition) Condensed Matter - Soft Condensed Matter 010402 general chemistry ENCODE 01 natural sciences Electrical Engineering and Systems Science - Systems and Control localization Biomaterials fiducial markers Human–computer interaction digital twin Autonomous robots FOS: Electrical engineering electronic engineering information engineering Leverage (statistics) Construction cholesteric liquid crystals Perspective (graphical) Building information modeling Cholesteric liquid crystals Mobile robot 021001 nanoscience & nanotechnology Digital twin 0104 chemical sciences Surfaces Coatings and Films autonomous robots Localization Mathematics [G03] [Physical chemical mathematical & earth Sciences] Soft Condensed Matter (cond-mat.soft) Augmented reality Mathématiques [G03] [Physique chimie mathématiques & sciences de la terre] 0210 nano-technology Fiducial marker Fiducial markers |
Zdroj: | Multifunctional Materials |
ISSN: | 2399-7532 |
DOI: | 10.1088/2399-7532/ac0060 |
Popis: | The ability to label and track physical objects that are assets in digital representations of the world is foundational to many complex systems. Simple, yet powerful methods such as bar- and QR-codes have been highly successful, e.g. in the retail space, but the lack of security, limited information content and impossibility of seamless integration with the environment have prevented a large-scale linking of physical objects to their digital twins. This paper proposes to link digital assets created through BIM with their physical counterparts using fiducial markers with patterns defined by Cholesteric Spherical Reflectors (CSRs), selective retroreflectors produced using liquid crystal self-assembly. The markers leverage the ability of CSRs to encode information that is easily detected and read with computer vision while remaining practically invisible to the human eye. We analyze the potential of a CSR-based infrastructure from the perspective of BIM, critically reviewing the outstanding challenges in applying this new class of functional materials, and we discuss extended opportunities arising in assisting autonomous mobile robots to reliably navigate human-populated environments, as well as in augmented reality. 30 pages, 8 figures. This paper is a very interdisciplinary topical review on the use of Cholesteric Spherical Reflectors to make fiducial markers-- visible to robots but not humans-- to link Digital and Physical twins. The authors are from fields including Design, Materials Science, Security and Computer Science, and Physics |
Databáze: | OpenAIRE |
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