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
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