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Smart Technologies in Augmented and Virtual Reality: From Detection to Forecasting

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Intelligent Sensors".

Deadline for manuscript submissions: 10 December 2024 | Viewed by 962

Special Issue Editors


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Guest Editor
Dipartimento Di Ingegneria Dell’Informazione E Scienze Matematiche, University of Siena, 53100 Siena, Italy
Interests: computer vision; action recognition; trajectory prediction; memory networks; fashion recommendation; autonomous driving

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Guest Editor
Sciences et Technologies de l'Information et de la Communication, Université Côte d'Azur (UCA), Av. Valrose, 06000 Nice, France
Interests: information networks

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Guest Editor
Department of Information Engineeering, University of Florence, Via di Santa Marta, 3, 50139 Firenze, Italy
Interests: Machine Learning; Pattern Recognition; Computer Vision
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Computer Science, University of Salerno Fisciano, Via Giovanni Paolo II, 132-84084 Fisciano, Italy
Interests: biometric recognition; pattern recognition; image processing; biometric preprocessing; multibiometric systems

Special Issue Information

Dear Colleagues,

In recent years, there has been a growing interest towards Augmented Reality (AR) and Virtual Reality (VR), which enable users to interact with computer-generated content in immersive ways. AR involves the overlay of digital content onto the real world, while VR involves the creation of a fully digital environment. Applications of AR/VR include gaming, education, training, entertainment, among others.

Deep learning techniques play a pivotal role to improve the performance of AR and VR systems, with applications ranging from understanding what content is present in virtual or augmented environments to forecasting how the user will behave to provide a more rewarding experience.

The goal of this special issue is to bring together researchers working on deep learning in AR/VR. The focus is on both theoretical and practical aspects of the field. Topics of interest include, but are not limited to:

  • Object detection and recognition in AR/VR
  • Tracking and localization in AR/VR
  • Scene understanding and forecasting in AR/VR
  • Deep learning for improving the user experience in AR/VR
  • Head motion forecasting in AR/VR
  • Trajectory prediction in AR/VR
  • Bandwidth optimization in AR/VR

Dr. Federico Becattini
Dr. Lucile Sassatelli
Dr. Lorenzo Seidenari
Dr. Carmen Bisogni
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • augmented reality
  • virtual reality
  • deep learning
  • detection
  • forecasting

Published Papers (1 paper)

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Research

14 pages, 7191 KiB  
Article
Analyzing the Impact of Objects in an Image on Location Estimation Accuracy in Visual Localization
by Sungho Moon and Myungho Lee
Sensors 2024, 24(3), 816; https://doi.org/10.3390/s24030816 - 26 Jan 2024
Viewed by 572
Abstract
Visual localization refers to the process of determining an observer’s pose by analyzing the spatial relationships between a query image and a pre-existing set of images. In this procedure, matched visual features between images are identified and utilized for pose estimation; consequently, the [...] Read more.
Visual localization refers to the process of determining an observer’s pose by analyzing the spatial relationships between a query image and a pre-existing set of images. In this procedure, matched visual features between images are identified and utilized for pose estimation; consequently, the accuracy of the estimation heavily relies on the precision of feature matching. Incorrect feature matchings, such as those between different objects and/or different points within an object in an image, should thus be avoided. In this paper, our initial evaluation focused on gauging the reliability of each object class within image datasets concerning pose estimation accuracy. This assessment revealed the building class to be reliable, while humans exhibited unreliability across diverse locations. The subsequent study delved deeper into the degradation of pose estimation accuracy by artificially increasing the proportion of the unreliable object—humans. The findings revealed a noteworthy decline started when the average proportion of the humans in the images exceeded 20%. We discuss the results and implications for dataset construction for visual localization. Full article
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

tentative title: 
Design of a Haptic Device for 3D Shooting Simulation with A Hall Effect Sensor
 
Abstract:
This article addresses the design of an intuitive haptic device for shooting practice, to be implemented together with a virtual reality simulator. The device consists of an airsoft gun, whose trigger mechanism has been instrumented with a magnetic Hall effect sensor, to detect the moment of firing. Since feedback plays an essential role in creating a more immersive simulation experience by actively engaging the user's senses, in this device it was implemented through a CO2 tank that gives the user haptic feedback approximating a real gunshot. The sensor communicates with a dual ESP32 Type C development board, programmed to function as a Bluetooth keyboard transmitting trigger information to the virtual environment. This feature allows wide flexibility, since the device can be interfaced with applications based on different operating systems such as Windows, Android or IOS. The simulation runs on a high-end video game console and is presented to the user through a virtual reality head-mounted display. To test both the device and its interaction with the simulator, a WLAN virtual multi-user environment was designed where each of the participants has a weapon and simulates the confrontation with each other. This feature adds versatility to the system since the virtual environment can be configurated as required.
 
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