scholarly journals Sistemas de Visualización Inmersiva, Interactivos y de bajo coste en Museos y Espacios Públicos

2010 ◽  
Vol 1 (1) ◽  
pp. 93 ◽  
Author(s):  
Julián Flores ◽  
Antonio Otero ◽  
Eduardo Mallo ◽  
Rubén Arenas

<p>Over the past decade, projection based immersive virtual reality systems have increased in popularity. These kinds of systems and their applications left the laboratories and universities and became widely used in museums, schools, and other exhibition spaces. This trend has taken place largely due to vast improvements in the performance of projectors, CPU’s, and PC graphics cards at progressively lower costs. In this paper we present two of the most significant projects from the MAR group of University Santiago de Compostela in the design and development of low cost immersive virtual reality systems, in use at museums and public spaces.</p>

2012 ◽  
Vol 11 (3) ◽  
pp. 9-17 ◽  
Author(s):  
Sébastien Kuntz ◽  
Ján Cíger

A lot of professionals or hobbyists at home would like to create their own immersive virtual reality systems for cheap and taking little space. We offer two examples of such "home-made" systems using the cheapest hardware possible while maintaining a good level of immersion: the first system is based on a projector (VRKit-Wall) and cost around 1000$, while the second system is based on a head-mounted display (VRKit-HMD) and costs between 600� and 1000�. We also propose a standardization of those systems in order to enable simple application sharing. Finally, we describe a method to calibrate the stereoscopy of a NVIDIA 3D Vision system.


Author(s):  
L. Herman ◽  
O. Kvarda ◽  
Z. Stachoň

<p><strong>Abstract.</strong> In this paper, we analysed and tested the possibilities for the use of low-cost VR (Virtual Reality) headsets, with a focus on cartographic visualization. Low-cost devices were compared and classified into three categories (low-end, mid-range and high-end). We also created a pilot virtual environment, called “Carthoreality”, and conducted simple pilot user testing using this virtual environment and the three low-end headsets. Our pilot test shows a few drawbacks to these devices, including weight of the headset and penetrating light. Some problems in terms of user aspects were also identified, such as nausea while wearing headsets or disorientation after removing them, which occurred for all users.</p>


Author(s):  
A. Walmsley ◽  
T. P. Kersten

Abstract. As virtual reality and 3D documentation and modelling technologies become increasingly powerful and affordable tools for architecture, planning, and cultural heritage preservation and communication, it has become increasingly important to develop low-cost methodologies for the creation of 3D immersive virtual environments and interactive experiences. Doing so makes this technology more viable for institutions such as museums and other cultural institutions, who often work within strict budgets. In this paper, we describe a workflow used to build an interactive, immersive virtual reality experience around a virtual city model of the town of Stade (Germany) in the year 1620. This virtual city model is based on a physical 3D model of the town, exhibited in the Stade town hall. The workflow begins with the digitization of this model using digital photogrammetry, followed by the subsequent low- and high-polygon modelling of the individual architectural assets in Autodesk Maya, texture mapping in Substance Painter and finally visualisation within Unreal Engine 4. The results of this workflow are a detailed 3D historical environment with a high degree of realism and in which interactivity can easily be added. In addition, the workflow takes a highly iterative approach that allows the performance of the virtual environments in the game engine to be monitored at each stage of the process, and that allows adjustments to be made quickly. To increase the potential of the virtual environment as a tool for education and communication, interactive elements and simple game mechanics are currently being integrated.


Author(s):  
Eder Govea ◽  
Hugo I. Medellín-Castillo

Virtual Reality (VR) is one of the areas of knowledge that have taken advantage of the computer technological development and scientific visualization. It has been used in different applications such as engineering, medicine, education, entertainment, astronomy, archaeology and arts. A main issue of VR and computer assisted applications is the design and development of the virtual environment, which comprises the virtual objects. Thus, the process of designing virtual environment requires the modelling of the virtual scene and virtual objects, including their geometry and surface characteristics such as colours, textures, etc. This research work presents a new methodology to develop low-cost and high quality virtual environments and scenarios for biomechanics, biomedical and engineering applications. The proposed methodology is based on open-source software. Four case studies corresponding to two applications in medicine and two applications in engineering are presented. The results show that the virtual environments developed for these applications are realistic and similar to the real environments. When comparing these virtual reality scenarios with pictures of the actual devices, it can be observed that the appearance of the virtual scenarios is very good. In particular the use of textures greatly helps in assessing specific features such as simulation of bone or metal. Thus, the usability of the proposed methodology for developing virtual reality applications in biomedical and engineering is proved. It is important to mention that the quality of the virtual environment will also depend on the 3D modelling skills of the VR designer.


Electronics ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 1042
Author(s):  
Antonino Naro ◽  
Rocco Salvatore Calabrò

Over the past two decades, virtual reality technology (VRT)-based rehabilitation has been increasingly examined and applied to assist patient recovery in the physical and cognitive domains. The advantages of the use of VRT in the neurorehabilitation field consist of the possibility of training an impaired function as a way to stimulate neuron reorganization (to maximize motor learning and neuroplasticity) and restoring and regaining functions and abilities by interacting with a safe and nonthreatening yet realistic virtual reality environment (VRE). Furthermore, VREs can be tailored to patient needs and provide personalized feedback on performance. VREs may also support cognitive training and increases patient motivation and enjoyment. Despite these potential advantages, there are inconclusive data about the usefulness of VRT in neurorehabilitation settings, and some issues on feasibility and safety remain to be ascertained for some neurological populations. The present brief overview aims to summarize the available literature on VRT applications in neurorehabilitation settings, along with discussing the pros and cons of VR and introducing the practical issues for research. The available studies on VRT for rehabilitation purposes over the past two decades have been mostly preliminary and feature small sample sizes. Furthermore, the studies dealing with VRT as an assessment method are more numerous than those harnessing VRT as a training method; however, the reviewed studies show the great potential of VRT in rehabilitation. A broad application of VRT is foreseeable in the near future due to the increasing availability of low-cost VR devices and the possibility of personalizing VR settings and the use of VR at home, thus actively contributing to reducing healthcare costs and improving rehabilitation outcomes.


2010 ◽  
Vol 1 (1) ◽  
pp. 39 ◽  
Author(s):  
Luis A. Hernández Ibáñez

<p>Galicia Dixital is an exhibition located in Santiago de Compostela whith the mission to show the culture and heritage of this region through the use of new audiovisual technologies, whilst to demonstrate the use and applications of avant-garde technology. This paper describes some of the installations present there with special emphasis in The Empty Museum, a fully immersive virtual reality installation where the user can walk physically visiting virtual worlds. A group of examples of contents designed for this medium will be also described.</p>


2021 ◽  
Author(s):  
Isabela Gonçalves Magalhães ◽  
Júlia Alves dos Santos ◽  
Pedro Vitor de Freitas Muzy Lopes ◽  
Gisa Márcia Dutra Valente ◽  
Laura Cremoneze Rangel da Silva ◽  
...  

The advance of digital modeling software, computers with greater processing capacity and the evolution of specific rendering software, contribute to the increased use of images that simulate a real environment, being a practice increasingly inserted in the professional exercise of Architecture and in the university. This practice is already observed in undergraduate scanswhere students seek to learn on their own the use of programs and plug-ins for rendering. This work aimed to elaborate a process aimed at teaching architecture design using modeling in SketchUp and application of low-cost immersive virtual reality simulation tools for analysis of model studies in design disciplines. The method used was the use of some renderers and free virtual reality tools on the Internet. As a result we had the first contact of the students with the immersive virtual reality tools and in turn broadening the perception of the details of the objects studied and spatial vision


2021 ◽  
Author(s):  
Takudzwa Mujuru ◽  
Christian Lopez

Abstract In the past few years, remote learning has been on a trend of steady growth and it is projected to remain on that course in the years to come. Additionally, the global COVID-19 pandemic forced a shift to remote learning which accelerated the existing trend to remote education. Unfortunately, learners find remote classes less engaging than traditional face-to-face classes. One technology that has shown great potential to improve students’ engagement, both in face-to-face classes and remote classes, is Virtual Reality (VR). Nevertheless, while educators are no longer limited to expensive, high-tech, and high-fidelity VR hardware thanks to the introduction of low-cost, low fidelity headset, like the Google Cardboard, educators are still limited in getting relevant content and find it difficult to create their own VR teaching modules. With the objective to address these limitations, this work introduces a new process to create VR content that is easy, rapid, and affordable for educators to adopt and implement into their curriculum. The results indicate great potential for low-cost VR in remote learning as the sample of students in this study reported that they enjoyed the ‘first-hand experience’ of touring places that were inaccessible to them due to the pandemic. However, the findings also show a strong need to address usability issues such as blurriness and dizziness.


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