Pub Date : 2010-03-01DOI: 10.1504/IJVTM.2010.032055
Hafida Bouarfa, Nesrine Toubaline
A virtual design studio is distributed across space and time and information is represented electronically. The technology available for the studios includes Computer Aided Design (CAD), image processing, World Wide Web, video conferencing, e-mail, shared files and files transfer. The potential for this technology in a design necessary. However, environment is to reduce the need to physically meet when collaboration is sophisticated technological tools do not warrant a successful collaborative design work. The importance of humans in the process is fundamental. That is why we introduce the concept of leader agent or coordinator. The objective of this paper is to propose a collaborative platform for virtual design studios.
{"title":"Proposition of a collaborative platform for virtual design studios","authors":"Hafida Bouarfa, Nesrine Toubaline","doi":"10.1504/IJVTM.2010.032055","DOIUrl":"https://doi.org/10.1504/IJVTM.2010.032055","url":null,"abstract":"A virtual design studio is distributed across space and time and information is represented electronically. The technology available for the studios includes Computer Aided Design (CAD), image processing, World Wide Web, video conferencing, e-mail, shared files and files transfer. The potential for this technology in a design necessary. However, environment is to reduce the need to physically meet when collaboration is sophisticated technological tools do not warrant a successful collaborative design work. The importance of humans in the process is fundamental. That is why we introduce the concept of leader agent or coordinator. The objective of this paper is to propose a collaborative platform for virtual design studios.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"312 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129507424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2010-03-01DOI: 10.1504/IJVTM.2010.032059
S. Payandeh, Hilary Zhang, J. Cha
In this paper, we use an enhanced surface mass-spring model to simulate virtual dissection by progressive subdivision and re-meshing for cutting and cross-cutting. We introduce novel algorithms to generate interior structures that show the result of cutting generated by the interaction between instrument and model. Our simulator supports two types of cutting: 'cut-into', in which the instrument only penetrates the simulated tissue, and 'cut-through' in which the instrument cuts completely through. Haptic force feedback models for interaction between virtual instruments and object are also implemented, which allows the user to feel the contact forces through a haptic device.
{"title":"Towards interactive haptic simulation of cutting","authors":"S. Payandeh, Hilary Zhang, J. Cha","doi":"10.1504/IJVTM.2010.032059","DOIUrl":"https://doi.org/10.1504/IJVTM.2010.032059","url":null,"abstract":"In this paper, we use an enhanced surface mass-spring model to simulate virtual dissection by progressive subdivision and re-meshing for cutting and cross-cutting. We introduce novel algorithms to generate interior structures that show the result of cutting generated by the interaction between instrument and model. Our simulator supports two types of cutting: 'cut-into', in which the instrument only penetrates the simulated tissue, and 'cut-through' in which the instrument cuts completely through. Haptic force feedback models for interaction between virtual instruments and object are also implemented, which allows the user to feel the contact forces through a haptic device.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130270598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2010-03-01DOI: 10.1504/IJVTM.2010.032058
J. Hoorn, M. Otte
We developed a lightweight, wireless and most affordable three-dimensional tracking system, called 3D site surveyor, which allows versatile, hands-free and easy-to-use human computer interaction, combining off-the-shelf hardware with custom-made software. We based this system on the Nintendo Wii remote controller hardware. 3D site surveyor is able to detect movement of a user in three dimensions (x, y and z-axis), including rotation in the xy-plane (yaw). We will argue that, within the limits of the system, it is theoretically possible to also measure pitch and roll, making the system capable of detecting 6DoF. The system can be applied to, for example, gaming, virtual reality, ambient-assisted living and academic research (e.g., human motion, perception and attention).
{"title":"3D site surveyor for 360° wireless motion tracking","authors":"J. Hoorn, M. Otte","doi":"10.1504/IJVTM.2010.032058","DOIUrl":"https://doi.org/10.1504/IJVTM.2010.032058","url":null,"abstract":"We developed a lightweight, wireless and most affordable three-dimensional tracking system, called 3D site surveyor, which allows versatile, hands-free and easy-to-use human computer interaction, combining off-the-shelf hardware with custom-made software. We based this system on the Nintendo Wii remote controller hardware. 3D site surveyor is able to detect movement of a user in three dimensions (x, y and z-axis), including rotation in the xy-plane (yaw). We will argue that, within the limits of the system, it is theoretically possible to also measure pitch and roll, making the system capable of detecting 6DoF. The system can be applied to, for example, gaming, virtual reality, ambient-assisted living and academic research (e.g., human motion, perception and attention).","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"147 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116435809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2010-03-01DOI: 10.1504/IJVTM.2010.032056
D. Avola, M. Caschera, F. Ferri, P. Grifoni
Natural interaction approaches, such as the Sketch-based interaction, frequently imply ambiguities in the interpretation by the computer side. This paper focuses only on micro-level ambiguity analysing the interpretation of the abstract geometrical elements point, polyline and polygon. Considering a dynamic perspective, ambiguities can be caused by: inaccuracy in the user's drawing, approximation of the represented reality and user's deletion or retracing of fragments of the sketch. Moreover, this paper discusses methods to solve ambiguities taking into account the spatial and temporal information that characterise the user's drawing, deleting and over-tracing process according to some experimental observations of users' behaviour.
{"title":"Classifying and resolving ambiguities in sketch-based interaction","authors":"D. Avola, M. Caschera, F. Ferri, P. Grifoni","doi":"10.1504/IJVTM.2010.032056","DOIUrl":"https://doi.org/10.1504/IJVTM.2010.032056","url":null,"abstract":"Natural interaction approaches, such as the Sketch-based interaction, frequently imply ambiguities in the interpretation by the computer side. This paper focuses only on micro-level ambiguity analysing the interpretation of the abstract geometrical elements point, polyline and polygon. Considering a dynamic perspective, ambiguities can be caused by: inaccuracy in the user's drawing, approximation of the represented reality and user's deletion or retracing of fragments of the sketch. Moreover, this paper discusses methods to solve ambiguities taking into account the spatial and temporal information that characterise the user's drawing, deleting and over-tracing process according to some experimental observations of users' behaviour.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125471241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2010-03-01DOI: 10.1504/IJVTM.2010.032057
M. Cheng, G. Chiu
In engineering education, concepts taught through lectures are often complemented by practical laboratory experimentation. Students can observe dynamic phenomena that are often difficult to explain by written material in laboratory environment. To offer the hands-on laboratory experience for distant users, virtual environment is necessary. In this paper, we reported and demonstrated an innovative remotely accessible virtual laboratory. Our approach is based on the newly developed software packages. Remote control, network reliability, and safety features are integrated into the experimental hardware and software design. Distance users are able to develop and run controllers on the experiments in the virtual laboratory, and can effectively use the laboratory from anywhere over internet.
{"title":"A mechatronic approach to a virtual laboratory service on internet","authors":"M. Cheng, G. Chiu","doi":"10.1504/IJVTM.2010.032057","DOIUrl":"https://doi.org/10.1504/IJVTM.2010.032057","url":null,"abstract":"In engineering education, concepts taught through lectures are often complemented by practical laboratory experimentation. Students can observe dynamic phenomena that are often difficult to explain by written material in laboratory environment. To offer the hands-on laboratory experience for distant users, virtual environment is necessary. In this paper, we reported and demonstrated an innovative remotely accessible virtual laboratory. Our approach is based on the newly developed software packages. Remote control, network reliability, and safety features are integrated into the experimental hardware and software design. Distance users are able to develop and run controllers on the experiments in the virtual laboratory, and can effectively use the laboratory from anywhere over internet.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"40 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120837426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2010-03-01DOI: 10.1504/IJVTM.2010.032060
D. Kanellopoulos
The future of tourism organisations and enterprises will be information-oriented, knowledge-driven and much of their daily processes will be automated around the internet. The internet, including multimedia, has provided tremendous potential for remote integration and collaboration in business applications. This paper attempts to provide a review of the application of multimedia technology in tourism environments. It justifies the application of multimedia in various tourism sub-domains such as tourism marketing, tourism education, mobile learning for travellers, mobile tourism guides, multimedia kiosks, virtual museums, virtual tours, multimedia travel plans, cooking studios based on web recipes, video conferencing and modelling demand for space tourism services. A conceptual framework for the design of multimedia systems for tourism is presented and discussed. Future research directions are also proposed.
{"title":"Current and future directions of multimedia technology in tourism","authors":"D. Kanellopoulos","doi":"10.1504/IJVTM.2010.032060","DOIUrl":"https://doi.org/10.1504/IJVTM.2010.032060","url":null,"abstract":"The future of tourism organisations and enterprises will be information-oriented, knowledge-driven and much of their daily processes will be automated around the internet. The internet, including multimedia, has provided tremendous potential for remote integration and collaboration in business applications. This paper attempts to provide a review of the application of multimedia technology in tourism environments. It justifies the application of multimedia in various tourism sub-domains such as tourism marketing, tourism education, mobile learning for travellers, mobile tourism guides, multimedia kiosks, virtual museums, virtual tours, multimedia travel plans, cooking studios based on web recipes, video conferencing and modelling demand for space tourism services. A conceptual framework for the design of multimedia systems for tourism is presented and discussed. Future research directions are also proposed.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124972497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2008-02-01DOI: 10.1504/IJVTM.2008.017109
Ashraf M. A. Ahmad, Suh-Yin Lee
Video streaming poses significant technical challenges in the quality of service guarantee and efficient resource management. In this paper, we propose an efficient moving object-extraction algorithm suitable for real-time content-based multimedia streaming systems. A motion vector based object extraction is used to dynamically detect the objects. To utilise the bandwidth efficiently, the video objects can be detected in real time, encoded, and transmitted with higher quality and a higher frame rate than those in the background. To meet the real-time requirement, no computationally intensive operation is included in this framework. Moreover, to guarantee the highest speed, the entire implementation is operating in the compressed domain without any need for decompression.
{"title":"Fast and robust object-extraction framework for object-based streaming system","authors":"Ashraf M. A. Ahmad, Suh-Yin Lee","doi":"10.1504/IJVTM.2008.017109","DOIUrl":"https://doi.org/10.1504/IJVTM.2008.017109","url":null,"abstract":"Video streaming poses significant technical challenges in the quality of service guarantee and efficient resource management. In this paper, we propose an efficient moving object-extraction algorithm suitable for real-time content-based multimedia streaming systems. A motion vector based object extraction is used to dynamically detect the objects. To utilise the bandwidth efficiently, the video objects can be detected in real time, encoded, and transmitted with higher quality and a higher frame rate than those in the background. To meet the real-time requirement, no computationally intensive operation is included in this framework. Moreover, to guarantee the highest speed, the entire implementation is operating in the compressed domain without any need for decompression.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125383535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2008-02-01DOI: 10.1504/IJVTM.2008.017107
Zsolt Butyka, Tamás Jursonovics, S. Imre
In this paper, we present a new streaming proxy based charging architecture for QoS differentiated charging in 3G. We give a short overview of charging concepts in next generation mobile networks and we describe the most important network attributes on which the quality depends. Our goal is to point out the importance of bursty packet loss which determines the quality of the multimedia streaming in contrast with the average loss rate. We propose several methods for QoS differentiated charging which are in compliance with the recommendations of 3GPP. We describe three models which can predict the QoS of a stream. The algorithms are evaluated on a real GPRS streaming flow.
{"title":"New fair QoS-based charging solution for mobile multimedia streams","authors":"Zsolt Butyka, Tamás Jursonovics, S. Imre","doi":"10.1504/IJVTM.2008.017107","DOIUrl":"https://doi.org/10.1504/IJVTM.2008.017107","url":null,"abstract":"In this paper, we present a new streaming proxy based charging architecture for QoS differentiated charging in 3G. We give a short overview of charging concepts in next generation mobile networks and we describe the most important network attributes on which the quality depends. Our goal is to point out the importance of bursty packet loss which determines the quality of the multimedia streaming in contrast with the average loss rate. We propose several methods for QoS differentiated charging which are in compliance with the recommendations of 3GPP. We describe three models which can predict the QoS of a stream. The algorithms are evaluated on a real GPRS streaming flow.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"305 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114824662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2008-02-01DOI: 10.1504/IJVTM.2008.017110
C. Leung, T. Leung
In Mobile Multimedia Object (M³O) retrieval, high precision is required, as there is limited scope for browsing or relevance feedback due to limitations in both time and display size. In M³O, three kinds of data will need to be managed: raw content data; metadata for assisting non-content based searches; structured content description data to facilitate fast content based searches. These three kinds of data have to be processed and integrated to support efficient M³O management and retrieval. This paper examines methods, both automatic and semi-automatic, for capturing data that will support accurate M³O data retrieval. A data architecture and organisation structure of mobile multimedia data is presented.
{"title":"Mobile multimedia object management for efficient content search and exchange","authors":"C. Leung, T. Leung","doi":"10.1504/IJVTM.2008.017110","DOIUrl":"https://doi.org/10.1504/IJVTM.2008.017110","url":null,"abstract":"In Mobile Multimedia Object (M³O) retrieval, high precision is required, as there is limited scope for browsing or relevance feedback due to limitations in both time and display size. In M³O, three kinds of data will need to be managed: raw content data; metadata for assisting non-content based searches; structured content description data to facilitate fast content based searches. These three kinds of data have to be processed and integrated to support efficient M³O management and retrieval. This paper examines methods, both automatic and semi-automatic, for capturing data that will support accurate M³O data retrieval. A data architecture and organisation structure of mobile multimedia data is presented.","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133919845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 1900-01-01DOI: 10.1504/ijvtm.2021.10041224
Yoshika Alahakoon, A. Kulatunga
{"title":"Review on Adaptation of Augmented reality as Training & Learning Methods in Manufacturing and Industrial Engineering","authors":"Yoshika Alahakoon, A. Kulatunga","doi":"10.1504/ijvtm.2021.10041224","DOIUrl":"https://doi.org/10.1504/ijvtm.2021.10041224","url":null,"abstract":"","PeriodicalId":118986,"journal":{"name":"International Journal of Virtual Technology and Multimedia","volume":"228 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115748120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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