Enhancing the sense of presence of participants is an important issue in terms of security awareness for remote collaboration in extended reality.However,conventional methods are insufficient to be aware of remote sit...Enhancing the sense of presence of participants is an important issue in terms of security awareness for remote collaboration in extended reality.However,conventional methods are insufficient to be aware of remote situations and to search for and control remote workspaces.This study pro-poses a spatial multi-presence system that simultaneously provides multiple spaces while rapidly exploring these spaces as users perform collaborative work in an extended reality environment.The proposed system provides methods for arranging and manipulating remote and personal spaces by creating an annular screen that is invisible to the user.The user can freely arrange remote participants and their workspaces on the annular screen.Because users can simultaneously view various spaces arranged on the annular screen,they can perform collaborative work while simultaneously feeling the presence of multiple spaces and can be fully immersed in a specific space.In addition,the personal spaces where users work can also be arranged through the annular screen.According to the results of the performance evaluations,users participating in remote collaborative works can visualize the spaces of multiple users simultaneously and feel their presence,thereby increasing their understanding of the spaces.Moreover,the proposed system reduces the time to perform tasks and gain awareness of the emergency in remote workspaces.展开更多
Background The advancements of Artificial Intelligence,Big Data Analytics,and the Internet of Things paved the path to the emergence and use of Digital Twins(DTs)as technologies to“twin”the life of a physical entity...Background The advancements of Artificial Intelligence,Big Data Analytics,and the Internet of Things paved the path to the emergence and use of Digital Twins(DTs)as technologies to“twin”the life of a physical entity in different fields,ranging from industry to healthcare.At the same time,the advent of eXtended Reality(XR)in industrial and consumer electronics has provided novel paradigms that may be put to good use to visualize and interact with DTs.XR technologies can support human-to-human interactions for training and remote assistance and could transform DTs into collaborative intelligence tools.Methods We here present the Human Collaborative Intelligence empowered Digital Twin framework(HCLINT-DT)integrating human annotations(e.g.,textual and vocal)to allow the creation of an all-in-one-place resource to preserve such knowledge.This framework could be adopted in many fields,supporting users to learn how to carry out an unknown process or explore others’past experiences.Results The assessment of such a framework has involved implementing a DT supporting human annotations,reflected in both the physical world(Augmented Reality)and the virtual one(Virtual Reality).Con-clusions The outcomes of the interface design assessment confirm the interest in developing HCLINT-DT-based applications.Finally,we evaluated how the proposed framework could be translated into a manufacturing context.展开更多
It is possible for cost professionals to prepare an informed and compendious cost plan by identifying all the factors that cause cost overruns,variations,safety hazards and others without having a significant pr...It is possible for cost professionals to prepare an informed and compendious cost plan by identifying all the factors that cause cost overruns,variations,safety hazards and others without having a significant prior experience.The implementation of Extended Reality can address this phenomenon.The paper aims to introduce the concept of Extended Reality in the field of quantity surveying by exploring its untapped potential and also looks to identify critical barriers in implementing this technology.A detailed review of literature study produced eight critical factors acting as barriers in successful implementation.With the suggestions from the industry professionals,the inter-relationship among these factors were established and prioritised using Interpretative Structural Modelling(ISM)tool.Further,these factors were categorised using MICMAC(Cross-Impact Matrix Multiplication Applied to Classification)analysis.This study identifies,lack of expertise and lack of suitable software as the key driving factors in successful implementation and all the remaining factors are directly or indirectly influenced by them.The sample size considered in building the ISM network is limited to the Indian construction industry.The disadvantages of Extended Reality have not been covered in the study.There may be several negative repercussions to human health due to this technology.This study can be used by industry professionals in understanding how advance technology like this can overcome many challenges pertinent to cost planning and estimation.This study stands out among the few research topics which contribute to reducing the knowledge gap among the cost professionals irrespective of their experience.展开更多
Rapid advancementsin technology and computing power,combined with the convergence of Blockchain,artificial intelligence,Internet of Things,extended reality,gamification,and decentralized finance,have led to recent gro...Rapid advancementsin technology and computing power,combined with the convergence of Blockchain,artificial intelligence,Internet of Things,extended reality,gamification,and decentralized finance,have led to recent growth in interest in the metaverse.Indeed today,there are more than 160 metaverse projects,and Citi estimates it could be a 13 trillion USD industry by 2030.While many have not yet grasped the relevance of the metaverse for industries,the opportunity to leverage the metaverse for health and wellness is substantial.In obesity and non-communicable disease(NCDs),there is potential to deploy the metaverse using gamification and incentives,as well as for education and care.This perspective article explores how the metaverse could be used to prevent and manage obesity and NCDs.展开更多
Phantom limb is a disabling neuropsychiatric condition among amputees resulting in pain and disturbance that impact their functions,quality of life,and autonomy.While pharmacological approaches appeared to be ineffec-...Phantom limb is a disabling neuropsychiatric condition among amputees resulting in pain and disturbance that impact their functions,quality of life,and autonomy.While pharmacological approaches appeared to be ineffec-tive,the emergence and integration of X-reality,including virtual reality,augmented reality,and mixed reality,might elevate the effectiveness of mirror therapy in managing phantom limb.The objective of this study is to review X-reality for managing phantom pain.A systematic search was conducted on PubMed,Scopus,Web of Science,PsycINFO,Embase,and CINAHL.Sixteen(n=16)studies containing 66 lower-limb and 53 upper-limb amputees were included for the review over the thematic framework of amputee characteristics and intervention designs,while thirteen(n=13)studies were further proceeded for the meta-analysis.We found eleven studies on virtual reality(n=11),four studies on marker-based augmented reality(n=4)and one study on mixed reality(n=1)with a total of 40 game/task themes involving,motor skills,motor control,and stimulus-sensing.Regardless,all these interventions adopted the movement representation strategies with different techniques.Overall,the X-reality interventions reduced the pain level of the amputees(mean difference:-2.30,95%CI,-3.38 to-1.22),especially the virtual reality subgroup(mean difference:-2.83,95%CI,-4.43 to-1.22).However,there were substantial heterogeneity and partially explained by the subgroup analysis on publication year.The strength of evidence was limited by case reports and case series in this review.展开更多
Metaverse describes a new shape of cyberspace and has become a hot-trending word since 2021.There are many explanations about what Meterverse is and attempts to provide a formal standard or definition of Metaverse.How...Metaverse describes a new shape of cyberspace and has become a hot-trending word since 2021.There are many explanations about what Meterverse is and attempts to provide a formal standard or definition of Metaverse.However,these definitions could hardly reach universal acceptance.Rather than providing a formal definition of the Metaverse,we list four must-have characteristics of the Metaverse:socialization,immersive interaction,real world-building,and expandability.These characteristics not only carve the Metaverse into a novel and fantastic digital world,but also make it suffer from all security/privacy risks,such as personal information leakage,eavesdropping,unauthorized access,phishing,data injection,broken authentication,insecure design,and more.This paper first introduces the four characteristics,then the current progress and typical applications of the Metaverse are surveyed and categorized into four economic sectors.Based on the four characteristics and the findings of the current progress,the security and privacy issues in the Metaverse are investigated.We then identify and discuss more potential critical security and privacy issues that can be caused by combining the four characteristics.Lastly,the paper also raises some other concerns regarding society and humanity.展开更多
The 5G networks which have begun to spread worldwide are expected to contribute to an increase in the use of Internet of Things(IoT)technologies and applications,which require massive connectivity,security,and ultra-l...The 5G networks which have begun to spread worldwide are expected to contribute to an increase in the use of Internet of Things(IoT)technologies and applications,which require massive connectivity,security,and ultra-low latency.However,it is known that 5G alone is not sufficient for many IoT devices to exchange various types of data in real time.These constraints promote the emergence of 6G technologies which can support higher network capacity,lower latency,and faster data transmission than 5G networks.To understand the current trends in 6G research and their relation to IoT,this paper introduces the main drivers of 6G technology,describes 6G’s enabling technologies,summarizes current 6G research,and introduces the possible applications of 6G to IoT technologies and service areas.展开更多
基金supported by“Regional Innovation Strategy(RIS)”through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(MOE)(2021RIS-004).
文摘Enhancing the sense of presence of participants is an important issue in terms of security awareness for remote collaboration in extended reality.However,conventional methods are insufficient to be aware of remote situations and to search for and control remote workspaces.This study pro-poses a spatial multi-presence system that simultaneously provides multiple spaces while rapidly exploring these spaces as users perform collaborative work in an extended reality environment.The proposed system provides methods for arranging and manipulating remote and personal spaces by creating an annular screen that is invisible to the user.The user can freely arrange remote participants and their workspaces on the annular screen.Because users can simultaneously view various spaces arranged on the annular screen,they can perform collaborative work while simultaneously feeling the presence of multiple spaces and can be fully immersed in a specific space.In addition,the personal spaces where users work can also be arranged through the annular screen.According to the results of the performance evaluations,users participating in remote collaborative works can visualize the spaces of multiple users simultaneously and feel their presence,thereby increasing their understanding of the spaces.Moreover,the proposed system reduces the time to perform tasks and gain awareness of the emergency in remote workspaces.
基金Supported by the University of Bologna Alma Attrezzature 2017 grantAEFFE S.p.a.+1 种基金the Golinelli FoundationElettrotecnica Imolese S.U.R.L.。
文摘Background The advancements of Artificial Intelligence,Big Data Analytics,and the Internet of Things paved the path to the emergence and use of Digital Twins(DTs)as technologies to“twin”the life of a physical entity in different fields,ranging from industry to healthcare.At the same time,the advent of eXtended Reality(XR)in industrial and consumer electronics has provided novel paradigms that may be put to good use to visualize and interact with DTs.XR technologies can support human-to-human interactions for training and remote assistance and could transform DTs into collaborative intelligence tools.Methods We here present the Human Collaborative Intelligence empowered Digital Twin framework(HCLINT-DT)integrating human annotations(e.g.,textual and vocal)to allow the creation of an all-in-one-place resource to preserve such knowledge.This framework could be adopted in many fields,supporting users to learn how to carry out an unknown process or explore others’past experiences.Results The assessment of such a framework has involved implementing a DT supporting human annotations,reflected in both the physical world(Augmented Reality)and the virtual one(Virtual Reality).Con-clusions The outcomes of the interface design assessment confirm the interest in developing HCLINT-DT-based applications.Finally,we evaluated how the proposed framework could be translated into a manufacturing context.
文摘It is possible for cost professionals to prepare an informed and compendious cost plan by identifying all the factors that cause cost overruns,variations,safety hazards and others without having a significant prior experience.The implementation of Extended Reality can address this phenomenon.The paper aims to introduce the concept of Extended Reality in the field of quantity surveying by exploring its untapped potential and also looks to identify critical barriers in implementing this technology.A detailed review of literature study produced eight critical factors acting as barriers in successful implementation.With the suggestions from the industry professionals,the inter-relationship among these factors were established and prioritised using Interpretative Structural Modelling(ISM)tool.Further,these factors were categorised using MICMAC(Cross-Impact Matrix Multiplication Applied to Classification)analysis.This study identifies,lack of expertise and lack of suitable software as the key driving factors in successful implementation and all the remaining factors are directly or indirectly influenced by them.The sample size considered in building the ISM network is limited to the Indian construction industry.The disadvantages of Extended Reality have not been covered in the study.There may be several negative repercussions to human health due to this technology.This study can be used by industry professionals in understanding how advance technology like this can overcome many challenges pertinent to cost planning and estimation.This study stands out among the few research topics which contribute to reducing the knowledge gap among the cost professionals irrespective of their experience.
文摘Rapid advancementsin technology and computing power,combined with the convergence of Blockchain,artificial intelligence,Internet of Things,extended reality,gamification,and decentralized finance,have led to recent growth in interest in the metaverse.Indeed today,there are more than 160 metaverse projects,and Citi estimates it could be a 13 trillion USD industry by 2030.While many have not yet grasped the relevance of the metaverse for industries,the opportunity to leverage the metaverse for health and wellness is substantial.In obesity and non-communicable disease(NCDs),there is potential to deploy the metaverse using gamification and incentives,as well as for education and care.This perspective article explores how the metaverse could be used to prevent and manage obesity and NCDs.
基金The work was supported by the Research Institute for Sports Science and Technology(Reference number:P0043798)Internal Fund(Ref-erence number:P0035805)of the Hong Kong Polytechnic University.
文摘Phantom limb is a disabling neuropsychiatric condition among amputees resulting in pain and disturbance that impact their functions,quality of life,and autonomy.While pharmacological approaches appeared to be ineffec-tive,the emergence and integration of X-reality,including virtual reality,augmented reality,and mixed reality,might elevate the effectiveness of mirror therapy in managing phantom limb.The objective of this study is to review X-reality for managing phantom pain.A systematic search was conducted on PubMed,Scopus,Web of Science,PsycINFO,Embase,and CINAHL.Sixteen(n=16)studies containing 66 lower-limb and 53 upper-limb amputees were included for the review over the thematic framework of amputee characteristics and intervention designs,while thirteen(n=13)studies were further proceeded for the meta-analysis.We found eleven studies on virtual reality(n=11),four studies on marker-based augmented reality(n=4)and one study on mixed reality(n=1)with a total of 40 game/task themes involving,motor skills,motor control,and stimulus-sensing.Regardless,all these interventions adopted the movement representation strategies with different techniques.Overall,the X-reality interventions reduced the pain level of the amputees(mean difference:-2.30,95%CI,-3.38 to-1.22),especially the virtual reality subgroup(mean difference:-2.83,95%CI,-4.43 to-1.22).However,there were substantial heterogeneity and partially explained by the subgroup analysis on publication year.The strength of evidence was limited by case reports and case series in this review.
基金supported by the National Natural Science Foundation of China(No.1912753).
文摘Metaverse describes a new shape of cyberspace and has become a hot-trending word since 2021.There are many explanations about what Meterverse is and attempts to provide a formal standard or definition of Metaverse.However,these definitions could hardly reach universal acceptance.Rather than providing a formal definition of the Metaverse,we list four must-have characteristics of the Metaverse:socialization,immersive interaction,real world-building,and expandability.These characteristics not only carve the Metaverse into a novel and fantastic digital world,but also make it suffer from all security/privacy risks,such as personal information leakage,eavesdropping,unauthorized access,phishing,data injection,broken authentication,insecure design,and more.This paper first introduces the four characteristics,then the current progress and typical applications of the Metaverse are surveyed and categorized into four economic sectors.Based on the four characteristics and the findings of the current progress,the security and privacy issues in the Metaverse are investigated.We then identify and discuss more potential critical security and privacy issues that can be caused by combining the four characteristics.Lastly,the paper also raises some other concerns regarding society and humanity.
文摘The 5G networks which have begun to spread worldwide are expected to contribute to an increase in the use of Internet of Things(IoT)technologies and applications,which require massive connectivity,security,and ultra-low latency.However,it is known that 5G alone is not sufficient for many IoT devices to exchange various types of data in real time.These constraints promote the emergence of 6G technologies which can support higher network capacity,lower latency,and faster data transmission than 5G networks.To understand the current trends in 6G research and their relation to IoT,this paper introduces the main drivers of 6G technology,describes 6G’s enabling technologies,summarizes current 6G research,and introduces the possible applications of 6G to IoT technologies and service areas.
