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Publications

A selection of my published research

Journals

The Role of Situatedness in Immersive Dam Visualization: Comparing Proxied with Immediate Approaches

2024

Nuno Verdelho Trindade, Pedro Leitão, Daniel Gonçalves, Sérgio Oliveira, Alfredo Ferreira

Computers 2024, 13, 35, DOI: 10.3390/computers13020035

Plain text (IEEE)

N. Verdelho Trindade, P. Leitão, D. Gonçalves, S. Oliveira, and A. Ferreira, "The role of situatedness in immersive dam visualization: Comparing proxied with immediate approaches," Computers, vol. 13, p. 35, 2024, doi: 10.3390/computers13020035.

BibTeX

@article{computers13020035, AUTHOR = {Verdelho Trindade, Nuno and Leitão, Pedro and Gonçalves, Daniel and Oliveira, Sérgio and Ferreira, Alfredo}, TITLE = {The Role of Situatedness in Immersive Dam Visualization: Comparing Proxied with Immediate Approaches}, JOURNAL = {Computers}, VOLUME = {13}, YEAR = {2024}, NUMBER = {2}, ARTICLE-NUMBER = {35}, URL = {https://doi.org/10.3390/computers13020035}, ISSN = {2073-431X}, ABSTRACT = {Dam safety control is a multifaceted activity that requires analysis, monitoring, and structural behavior prediction. It entails interpreting vast amounts of data from sensor networks integrated into dam structures. The application of extended reality technologies for situated immersive analysis allows data to be contextualized directly over the physical referent. Such types of visual contextualization have been known to improve analytical reasoning and decision making. This study presents DamVR, a virtual reality tool for off-site, proxied situated structural sensor data visualization. In addition to describing the tool&rsquo;s features, it evaluates usability and usefulness with a group of 22 domain experts. It also compares its performance with an existing augmented reality tool for the on-site, immediate situated visualization of structural data. Participant responses to a survey reflect a positive assessment of the proxied situated approach&rsquo;s usability and usefulness. This approach shows a decrease in performance (task completion time and errors) for more complex tasks but no significant differences in user experience scores when compared to the immediate situated approach. The findings indicate that while results may depend strongly on factors such as the realism of the virtual environment, the immediate physical referent offered some advantages over the proxied one in the contextualization of data.}, DOI = {10.3390/computers13020035} }

augmented reality dam safety control immediate situated visualization immersive analytics proxied situated visualization situated analysis structural health monitoring virtual reality

Conferences

Visualizing Plasma Physics Simulations in Immersive Environments

2024

Nuno Verdelho Trindade, Óscar Amaro, David Brás, Daniel Gonçalves, João Madeiras Pereira, Alfredo Ferreira

19th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications - Volume 1 GRAPP, HUCAPP and IVAPP: IVAPP, 645-652, 2024 , Rome, Italy, ISBN 978-989-758-679-8; ISSN 2184-4321

data analysis immersive visualization plasma physics scientific visualization virtual reality

Immersive Situated Analysis of Dams’ Behavior

2023

Nuno Verdelho Trindade, Pedro Leitão, Daniel Gonçalves, Sérgio Oliveira, Alfredo Ferreira

5th International Conference on Graphics and Interaction - ICGI 2023, Tomar, Portugal, 2023, Electronic ISBN:979-8-3503-5817-9, PoD ISBN:979-8-3503-5818-6, DOI: 10.1109/ICGI60907.2023.10452725

Plain text (IEEE)

N. Verdelho Trindade, P. Leitão, D. Gonçalves, S. Oliveira, and A. Ferreira, "Immersive situated analysis of dams' behavior," in Proc. 5th Int. Conf. Graphics and Interaction (ICGI), Tomar, Portugal, 2023, pp. 105–112, doi: 10.1109/ICGI60907.2023.10452725.

BibTeX

@inproceedings{verdelhotrindade2023, author={Verdelho Trindade, Nuno and Leitão, Pedro and Gonçalves, Daniel and Oliveira, Sérgio and Ferreira, Alfredo}, booktitle={2023 International Conference on Graphics and Interaction (ICGI)}, title={Immersive Situated Analysis of Dams' Behavior}, year={2023}, volume={}, number={}, pages={1-8}, keywords={Surveys;Visualization;Dams;Prototypes;Data visualization;User experience;Safety;situated analysis;virtual reality;immersive visualization;dam safety control;structural health monitoring},  abstract = {Dam safety control is a complex and challenging task that involves the analysis, monitoring, and behavior prediction of the various components of dams. Its primary objective is to ensure the safety and optimal performance of these structures. This undertaking involves the abstraction and interpretation of extensive structural, hydraulic, and geotechnical data, typically acquired through sensor networks embedded within the dam. This study introduces 'DamVR', a virtual reality tool for situated dam safety control data visualization. This tool allows dam engineers and other industry professionals to analyze the fluctuation of structural behavior over time. Its immersive environment contains a realistic representation of the dam structure, networks of sensors, and surroundings. It aims to frame the data within the visual context of the object of the analysis. This contextualization is intended to improve analytical reasoning and decision-making. The usability of DamVR was evaluated by a group of domain experts and compared to an existing augmented reality tool in similar tasks. The results indicate that DamVR is a usable and effective dam safety control data visualization tool.}, doi={10.1109/ICGI60907.2023.10452725}}

dam safety control immersive visualization situated analysis structural health monitoring virtual reality

Book Chapters

The Future of Structural Health Monitoring with Extended Reality

2025

Nuno Verdelho Trindade, Alfredo Ferreira, Daniel Gonçalves, Sérgio Oliveira

Digital Transformation in the Construction Industry, Chapter 30

Plain text (IEEE)

N. Verdelho Trindade, A. Ferreira, D. Gonçalves, and S. Oliveira, "The future of structural health monitoring with extended reality," in Digital Transformation in the Construction Industry, Woodhead Publishing Series in Civil and Structural Engineering. Elsevier, 2025, pp. 593–620, doi: 10.1016/B978-0-443-29861-5.00030-5.

BibTeX

@incollection{verdelhotrindadeshmxr2025, title = {Chapter 30 - The future of structural health monitoring with extended reality}, editor = {Ehsan Noroozinejad Farsangi and Mohammad Noori and T.Y Yang and Vasilis Sarhosis and Seyedali Mirjalili and Mirosław J. Skibniewski}, booktitle = {Digital Transformation in the Construction Industry}, publisher = {Woodhead Publishing}, pages = {593-620}, year = {2025}, series = {Woodhead Publishing Series in Civil and Structural Engineering}, isbn = {978-0-443-29861-5}, doi = {https://doi.org/10.1016/B978-0-443-29861-5.00030-5}, url = {https://www.sciencedirect.com/science/article/pii/B9780443298615000305}, author = {Nuno Verdelho Trindade and Alfredo Ferreira and Daniel Gonçalves and Sérgio Oliveira}, keywords = {Extended reality, structural health monitoring, virtual reality, augmented reality, safety control}, abstract = {Extended reality (XR) comprises the set of technologies directed at changing users’ observable reality. These technologies include most notably, virtual reality and augmented reality, and also other lesser-known modalities like diminished reality. The ongoing global transition to digital has determined the increasing adoption of these visualization and interaction technologies in the construction industry. Examples of applications of such technologies can be found for domains extending from design and planning to construction and operation. Some of the most mature applications of XR to the construction industry can be found in the structural health monitoring (SHM) field. This maturity results from the tangible advantages of performance, precision, and convenience, among others, that XR technologies have been proven to bring to this area. The use of such technologies, however, is not without important challenges, which must be taken into account when researching and developing applications. In this chapter, we analyze how the different modalities of XR are being applied in the context of the distinct areas of SHM. A specific case study of the application of these technologies to dam safety control is also described. In that scope, a set of guidelines is presented to assist researchers and domain experts in implementing such solutions. Finally, a reflection on the future of XR in SHM is carried out.} }

augmented reality extended reality safety control structural health monitoring virtual reality