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151 results on '"Kasapakis, Vlasios"'

3. Mixed Reality

Author

Kasapakis, Vlasios, Gavalas, Damianos, Dzardanova, Elena, and Lee, Newton, editor

Published
2024
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5. Enhancing shopping experiences in smart retailing

Author

Bourg, Lorena, Chatzidimitris, Thomas, Chatzigiannakis, Ioannis, Gavalas, Damianos, Giannakopoulou, Kalliopi, Kasapakis, Vlasios, Konstantopoulos, Charalampos, Kypriadis, Damianos, Pantziou, Grammati, and Zaroliagis, Christos

Published
2023
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6. ARtefact: A Conceptual Framework for the Integrated Information Management of Archaeological Excavations

Author

Gavalas, Damianos, Kasapakis, Vlasios, Kavakli, Evangelia, Koutsabasis, Panayiotis, Catapoti, Despina, Vosinakis, Spyros, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, De Paolis, Lucio Tommaso, editor, Arpaia, Pasquale, editor, and Sacco, Marco, editor

Published
2022
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9. Social Virtual Reality: Implementing Non-verbal Cues in Remote Synchronous Communication

Author

Kasapakis, Vlasios, Dzardanova, Elena, Nikolakopoulou, Vasiliki, Vosinakis, Spyros, Xenakis, Ioannis, Gavalas, Damianos, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Bourdot, Patrick, editor, Alcañiz Raya, Mariano, editor, Figueroa, Pablo, editor, Interrante, Victoria, editor, Kuhlen, Torsten W., editor, and Reiners, Dirk, editor

Published
2021
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10. Renewable Mobility in Smart Cities:TheMOVESMART Approach

Author

Gavalas, Damianos, Giannakopoulou, Kalliopi, Kasapakis, Vlasios, Kehagias, Dionisis, Konstantopoulos, Charalampos, Kontogiannis, Spyros, Kypriadis, Damianos, Pantziou, Grammati, Paraskevopoulos, Andreas, Zaroliagis, Christos, Chlamtac, Imrich, Series Editor, Banat, Mohammad M., editor, and Paiva, Sara, editor

Published
2020
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12. PacMap: Transferring PacMan to the Physical Realm

Author

Chatzidimitris, Thomas, Gavalas, Damianos, and Kasapakis, Vlasios

Subjects
Computer Science - Multimedia
Abstract

This paper discusses the implementation of the pervasive game PacMap. Openness and portability have been the main design objectives for PacMap. We elaborate on programming techniques which may be applicable to a broad range of location-based games that involve the movement of virtual characters over map interfaces. In particular, we present techniques to execute shortest path algorithms on spatial environments bypassing the restrictions imposed by commercial mapping services. Last, we present ways to improve the movement and enhance the intelligence of virtual characters taking into consideration the actions and position of players in location-based games., Comment: 6 pages, 3 figures, Proceedings of the International Conference on Pervasive Games (PERGAMES'2014), Rome, Italy, 27 October 2014

Published
2015

13. Evaluation of Pervasive Games: Recruitment of Qualified Participants through Preparatory Game Phases

Author

Kasapakis, Vlasios, Gavalas, Damianos, and Chatzidimitris, Thomas

Subjects
Computer Science - Human-Computer Interaction
Abstract

In this paper we present the evaluation process for Barbarossa, a pervasive role playing game. Barbarossa involves an invitational (preparatory) and a main execution phase. The former is freely available though Google Play store and may be played anytime/ anywhere. The latter defines three inter-dependent player roles acted by players who need to collaborate in a treasure hunting game. The eligibility of players for participating in the main game phase is restricted among those ranked relatively high in the invitational phase. Herein, we investigate the impact of the invitational game mode on the players overall game experience. The main hypothesis tested is that game awareness (gained from participating in a preliminary game phase) may serve as a means for recruiting the most suitable subjects for user trials on pervasive game research prototypes., Comment: 7 pages, 4 Tables, Proceedings of the International Conference on Pervasive Games (PERGAMES'2014), Rome, Italy, 27 October 2014

Published
2015

14. Virtual reality learning environments: using high-fidelity avatars to enhance distance learning experience.

Author

Kasapakis, Vlasios and Dzardanova, Elena

Subjects
*VIRTUAL reality, *CLASSROOM environment, *DISTANCE education, *COVID-19 pandemic, *KNOWLEDGE acquisition (Expert systems), *FACIAL expression
Abstract

Virtual Learning Environments (VLEs) became the primary space for education during the Coronavirus disease (COVID-19) lockdowns. One of the additions that specifically VR has to offer is its potential to incorporate some of the qualities that define interpersonal communication and typically lack in distance-learning VLEs. This study's aim is exploration of those qualities to appreciate Virtual Reality Learning Environments (VRLEs) as a supplementary tool for distance learning and its impact on knowledge acquisition processes, with the particular objectives of evaluating usability, usefulness, and realism of Non-Verbal Cues (NVCs) capture. Toward this end a multi-user VRLE prototype was developed and utilized for the delivery of a live lecture by a real professor of a MSc programme. The professor's body motion and facial expressions were captured in real-time and solved onto a high-fidelity avatar. In total, a group of 20 students audited the lecture via the VRLE and evaluated the modalities and experience offered compared to conventional VLEs. Additionally, knowledge acquisition was directly correlated to another group of 20 students, who audited the same lecture only via conventional VLEs. Evaluation results provide important insight regarding the learning experience between the two settings and how incorporation of NVCs can have a positive impact. [ABSTRACT FROM AUTHOR]

Published
2024
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15. Interactive Spatial Storytelling for Location-Based Games: A Case Study

Author

Nika, Chrysanthi, Varelas, Ioannis, Bubaris, Nikos, Kasapakis, Vlasios, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Liapis, Antonios, editor, Yannakakis, Georgios N., editor, Gentile, Manuel, editor, and Ninaus, Manuel, editor

Published
2019
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16. Enhanced Buying Experiences in Smart Cities: The SMARTBUY Approach

Author

Bourg, Lorena, Chatzidimitris, Thomas, Chatzigiannakis, Ioannis, Gavalas, Damianos, Giannakopoulou, Kalliopi, Kasapakis, Vlasios, Konstantopoulos, Charalampos, Kypriadis, Damianos, Pantziou, Grammati, Zaroliagis, Christos, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Chatzigiannakis, Ioannis, editor, De Ruyter, Boris, editor, and Mavrommati, Irene, editor

Published
2019
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17. Assessment of Virtual Guides’ Credibility in Virtual Museum Environments

Author

Sylaiou, Stella, Kasapakis, Vlasios, Dzardanova, Elena, Gavalas, Damianos, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, De Paolis, Lucio Tommaso, editor, and Bourdot, Patrick, editor

Published
2019
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20. Conceptual and Technical Aspects of Full-Body Motion Support in Virtual and Mixed Reality

Author

Kasapakis, Vlasios, Dzardanova, Elena, Paschalidis, Charalabos, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, De Paolis, Lucio Tommaso, editor, and Bourdot, Patrick, editor

Published
2018
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21. Robust Outdoors Marker-Based Augmented Reality Applications: Mitigating the Effect of Lighting Sensitivity

Author

Kasapakis, Vlasios, Gavalas, Damianos, Elena, Dzardanova, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, De Paolis, Lucio Tommaso, editor, and Bourdot, Patrick, editor

Published
2018
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22. Creating Room-Scale Interactive Mixed-Reality Worlds Using Off-the-Shelf Technologies

Author

Kasapakis, Vlasios, Gavalas, Damianos, Dzardanova, Elena, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Cheok, Adrian David, editor, Inami, Masahiko, editor, and Romão, Teresa, editor

Published
2018
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25. Renewable Mobility in Smart Cities:TheMOVESMART Approach

Author

Gavalas, Damianos, primary, Giannakopoulou, Kalliopi, additional, Kasapakis, Vlasios, additional, Kehagias, Dionisis, additional, Konstantopoulos, Charalampos, additional, Kontogiannis, Spyros, additional, Kypriadis, Damianos, additional, Pantziou, Grammati, additional, Paraskevopoulos, Andreas, additional, and Zaroliagis, Christos, additional

Published
2020
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26. An Efficient Geometric Approach for Occlusion Handling in Outdoors Augmented Reality Applications

Author

Kasapakis, Vlasios, Gavalas, Damianos, Galatis, Panagiotis, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, De Paolis, Lucio Tommaso, editor, and Mongelli, Antonio, editor

Published
2016
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27. Exploring the impact of non‐verbal cues on user experience in immersive virtual reality.

Author

Dzardanova, Elena, Nikolakopoulou, Vasiliki, Kasapakis, Vlasios, Vosinakis, Spyros, Xenakis, Ioannis, and Gavalas, Damianos

Abstract

Face‐to‐face communication relies extensively on non‐verbal cues (NVCs) which complement, or at times dominate, the communicative process as they convey emotions with intense salience, thus definitively affecting interpersonal communication. The capture, transference, and subsequent interpretation of NVCs becomes complicated in computer‐mediated communicative processes, particularly in shared virtual worlds, for which there is growing interest both in regard to NVCs technological integration and their affective impact. This paper presents a between‐groups experimental setup which is facilitated in immersive virtual reality (IVR), and examines NVCs effects on user experience, with special emphasis on degree of attention toward each NVC as an isolated controlled variable of a scripted performance by a virtual character (VC). This study aims to evaluate NVCs fidelity based on the capabilities of the motion‐capture technologies utilized to address cue integration developmental challenges and examines NVCs impact on users' perceived realism of the VC, their empathy toward him, and the degree of social presence experienced. To meet the objectives set the affective impact of low‐fidelity automated NVCs and high‐fidelity real‐time captured NVCs were compared. The findings of the evaluation suggest that although NVCs do impact user experience to an extent, their effects are notably more subtle compared to previous studies. [ABSTRACT FROM AUTHOR]

Published
2024
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30. Determining Field of View in Outdoors Augmented Reality Applications

Author

Kasapakis, Vlasios, Gavalas, Damianos, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, De Ruyter, Boris, editor, Kameas, Achilles, editor, Chatzimisios, Periklis, editor, and Mavrommati, Irene, editor

Published
2015
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35. Mixed Reality

Author

Kasapakis, Vlasios, primary, Gavalas, Damianos, additional, and Dzardanova, Elena, additional

Published
2018
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