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- Augmented reality and its aspects: a case study for heating systemsPublication . Viveiros, Lucas Cavalcanti; Matos, Paulo; Aikes Junior, JorgeThanks to the advances of technology in various domains, and the mixing between real and virtual worlds. Allowed this master’s thesis to explore concepts related to virtual reality (VR), augmented reality (AR), mixed reality (MR), and extended reality (XR). The development and comparison of Android applications and Microsoft HoloLens aimed to solve a deadlock in the recognition of instructions by the users. We used an interactive manual of assembly and disassembly for taps of residential heaters. Therefore, this work deals with three main parts. Firstly, the exploration of the concepts of VR, AR, MR, and XR. Secondly, 3D modeling and animations techniques. Finally, the development of applications using Vuforia, Wikitude, and MRTK. The users tried our application “HeaterGuideAR” to verify the effectiveness of the instruction passed by the interactive manual. Only a few users had some difficulties at the beginning of the trials. Thus, it was necessary to provide aid tools. However, other users were able to disassemble the faucet without any external help. We suggest continuing this work with more explorations, models, and situations.
- Smart river platform - river quality monitoring and environmental awarenessPublication . Cabanga, Kenedy; Soares, Edmilson V.; Viveiros, Lucas Cavalcanti; Gonçalves, Estefânia; Fachada, Ivone; Lima, José; Pereira, Ana I.In the technology communication era, the use of the Internet of Things (IoT) has become popular among other digital solutions, since it offers the integration of information from several organisms and at several sources. By means of this, we can access data from distant locations and at any time. In the specific case of water monitoring, the conventional outdated measurement methods can lead to low efficiency and complexity issues. Hence, Smart systems rise as a solution for a broad of cases. Smart River is a smart system platform developed to optimize the resources and monitoring the quality of water parameters of the Ferven¸ca river. The central solution is based at Centro Ciˆencia Viva de Bragan¸ca (CCVB), one of the 21 science centers in Portugal that aims to promote the preservation and environmental awareness for the population. By using the IoT technologies, the system allows realtime data collection with low cost and low energy consumption, being a complement of existing projects that are being developed to promote the ecological importance of natural resources. This paper covers sensor module selection for data collection inside the river and data storage. The parameters of the river are visualized using a program developed in Unity engine to present data averages and comparison between weeks, months, and years.