Virtual Solution Research Articles

Enhancing Cancer Care: Augmented and Virtual Reality Solutions

Abstract: The present research delves into the various uses of augmented reality (AR) and virtual reality (VR) in cancer therapy, emphasizing their capacities as inventive, patient-focused interventions. It has been shown that AR and VR technology can improve surgical methods, improve medical education, lessen the psychological and physical effectsof cancer, enable precision medicine, and encourage patient participation throughout treatment. The paper describes a thorough methodology for creating an AR/VR system for cancer diagnosis, which includes incorporating it into medical curricula, creating personalized training regimens, reviewing relevant literature, and implementing it with great care.Through a multidisciplinary approach, this research seeks to develop an approachable framework by promoting collaboration among specialists in academia, technology, and medicine. The final objective is to generate a thorough study report that offers insightful information about utilizing AR and VR technologies to improve cancer detection and treatment in the medical domain.

Additive manufacturing in the development of low-cost immersive virtual reality solutions for education: a study with google cardboard

Virtual Reality (VR) is a technology that makes it possible to create simulated worlds using computer systems. This study presents a proposal to develop a Google Cardboard prototype using additive manufacturing. The central aim of the study is to contribute to the understanding of low-cost Immersive Virtual Reality (IVR) alternatives; to assist in the scientific-technological development of IVR solutions; and to contribute to technological development and access in a social context and to the preservation of the environment through sustainable technological solutions. Developed in two stages, the theoretical foundation aimed to systematize and understand the concepts involving VR, low-cost solutions for VR - specifically Google Cardboard - and additive manufacturing. The experimental research involved producing the Google Cardboard from the specifications provided by the company, creating a digital model of the display, printing the 3D model and testing the prototype developed. The results of the study indicate that additive manufacturing could be a promising technology for developing low-cost and sustainable VR solutions. The use of filaments made from recyclable materials, such as PET, can help reduce the environmental impact of this type of technology, as well as providing the possibility of social transformation. Therefore, this study contributes to advances in the development of accessible and sustainable solutions in VR, cost reduction, the evolution of Google Cardboard and understanding of the concepts involved. Limitations include the lack of tests with real users and the failure to investigate the impact of focal distance on visual comfort.

A Banach spaces-based fully mixed virtual element method for the stationary two-dimensional Boussinesq equations

In this paper we extend recent results obtained for the Navier–Stokes equations to propose and analyze a new fully mixed virtual element method (mixed-VEM) for the stationary two-dimensional Boussinesq equations appearing in non-isothermal flow phenomena. The model consists of a Navier–Stokes type system, modeling the velocity and the pressure of the fluid, coupled to an advection-diffusion equation for the temperature. The variational formulation is based on the introduction of the additional unknowns given by a modified pseudostress tensor, which depends on the pressure, and the diffusive and convective terms of the fluid, and the pseudoheat vector, which involves the temperature, its gradient, and the velocity. As a consequence of the former, the pressure is eliminated from the system, but computed afterwards via a post-processing formula. In turn, for the Galerkin approximation we follow the approach employed in a previous work introducing for the first time an Lp spaces-based mixed-VEM for the Navier–Stokes equations, and couple it with a similar mixed-VEM for the convection–diffusion equation modeling the temperature. The solvability analysis of the resulting coupled discrete scheme is carried out by using appropriate fixed-point arguments, along with the discrete versions of the Babuška–Brezzi theory and the Banach-Nečas-Babuška theorem, both in subspaces of Banach spaces. The first Strang lemma is applied to derive the a priori error estimates for the virtual element solution as well as for the fully computable approximation of the pseudostress tensor, the pseudoheat vector, and the post-processed pressure. Finally, several numerical results, illustrating the performance of the mixed-VEM scheme and confirming the rates of convergence predicted by the theory, are reported.

Implementing Internet of Things Service Platforms with Network Function Virtualization Serverless Technologies

The need for adaptivity and scalability in telecommunication systems has led to the introduction of a software-based approach to networking, in which network functions are virtualized and implemented in software modules, based on network function virtualization (NFV) technologies. The growing demand for low latency, efficiency, flexibility and security has placed some limitations on the adoption of these technologies, due to some problems of traditional virtualization solutions. However, the introduction of lightweight virtualization approaches is paving the way for new and better infrastructures for implementing network functions. This article discusses these new virtualization solutions and shows a proposal, based on serverless computing, that uses them to implement container-based virtualized network functions for the delivery of advanced Internet of Things (IoT) services. It includes open source software components to implement both the virtualization layer, implemented through Firecracker, and the runtime environment, based on Kata containers. A set of experiments shows that the proposed approach is fast, in order to boost new network functions, and more efficient than some baseline solutions, with minimal resource footprint. Therefore, it is an excellent candidate to implement NFV functions in the edge deployment of serverless services for the IoT.

Unconditional error analysis of linearized BDF2 mixed virtual element method for semilinear parabolic problems on polygonal meshes

In this paper, we construct, analyze, and numerically validate a class of H(div)-mixed virtual element method for the semilinear parabolic problem in mixed form, in which the parabolic problem is reformulated in terms of the velocity and the pressure of the time-dependent Darcy flow. The Newton linearized method for the nonlinear term is designed to cooperate with the second-order backward differentiation formula of the temporal discretization scheme. This allows each time step to only require the solution of a small and well-structured linear system rather than the solution of a nonlinear system. The linearization improves computational efficiency without decreasing convergence rates. Moreover, the “Fortin” operator and its approximation properties are applied to derive an optimal error estimates O(hk+1+τ2) for the virtual element solution of the velocity and the pressure. Finally, its remarkable performance is illustrated by several numerical examples that also validate the theoretical rates of convergence.

Civilising the Scaffold: a renewed carceral space in videoconferencing trials

In this article, I analyse the implication of the spread of videoconferencing for prisoners under pre-trial detention as a technology embedded in a process of civilising punishment by bureaucratising criminal procedure. This is specifically examined through a series of letters from Italian prisoners ‘engaged in struggles', held in maximum security from 2006 to 2020. From a situated perspective, the letters describe videoconferencing as a way of disembodying and recoding the space-time of the prisoners, reducing them to a simulacrum: a series of images, sounds and glances caught by cameras and microphones. This technology ensures, through a both material and virtual geographical solution, efficiency, and security but at the cost of increasing the distance between the judge, society and the accused.

Analyzing GPU Performance in Virtualized Environments: A Case Study

The graphics processing unit (GPU) plays a crucial role in boosting application performance and enhancing computational tasks. Thanks to its parallel architecture and energy efficiency, the GPU has become essential in many computing scenarios. On the other hand, the advent of GPU virtualization has been a significant breakthrough, as it provides scalable and adaptable GPU resources for virtual machines. However, this technology faces challenges in debugging and analyzing the performance of GPU-accelerated applications. Most current performance tools do not support virtual GPUs (vGPUs), highlighting the need for more advanced tools. Thus, this article introduces a novel performance analysis tool that is designed for systems using vGPUs. Our tool is compatible with the Intel GVT-g virtualization solution, although its underlying principles can apply to many vGPU-based systems. Our tool uses software tracing techniques to gather detailed runtime data and generate relevant performance metrics. It also offers many synchronized graphical views, which gives practitioners deep insights into GVT-g operations and helps them identify potential performance bottlenecks in vGPU-enabled virtual machines.

Parkwood's VIP4SCI platform: A virtual e-health self-management solution for persons with spinal cord injury across the care continuum.

Parkwood VIP4SCI platform is a virtual e-health solution adapted from a version created for Spinal Cord Injury Ontario (SCIO) that focused on self-management skill development for persons with spinal cord injury (SCI) transitioning between stages of care, in partnership with caregivers and clinicians. This evaluation of the platform informs the usability and feasibility of a model to facilitate service care aims postrehabilitation. Participants: Inpatients and outpatients admitted to the SCI Rehabilitation Program (n = 31), and a mix of interdisciplinary clinicians on the Rehabilitation Team (n = 20). Caregivers participated at the discretion of the patient.Interventions: Inpatients were randomized into two groups (Platform or Standard Care (i.e., delayed access)). Outpatients were given access at enrollment. Pre-post assessments were completed using surveys, and platform analytics were collected. Weekly check-ins were introduced to increase engagement. Focus groups were held with a subset of participants near study completion. VIP4SCI was viewed as usable and feasible. Platform satisfaction assessed on a -3 to +3 scale ranged from +0.9 to 2.5, demonstrating positive agreement. Self-efficacy related to self-management ranged from 5.4 to 7.6 out of 10. The educational resource hub was identified as the most beneficial feature. Lack of clinician uptake was a barrier to integration into day-to-day practice. Platform usage was low among all groups despite the perceived need for facilitating care coordination with consistent and intentional self-management programming. Despite the lack of uptake, partly due to challenges associated with the pandemic, conclusions on platform features and barriers to implementation will help to inform future programming.

The Triumph of the Spin Chemistry of Fullerene C60 in the Light of Its Free Radical Copolymerization with Vinyl Monomers.

The spin theory of fullerenes is taken as a basis concept to virtually exhibit a peculiar role of C60 fullerene in the free radical polymerization of vinyl monomers. Virtual reaction solutions are filled with the initial ingredients (monomers, free radicals, and C60 fullerene) as well as with the final products of a set of elementary reactions, which occurred in the course of the polymerization. The above objects, converted to the rank of digital twins, are considered simultaneously under the same conditions and at the same level of the theory. In terms of the polymerization passports of the reaction solutions, a complete virtual picture of the processes considered is presented.

Towards Integrated Learning and Assistance Systems: A Framework for Technology Selection and Design

In the era of Industry 4.0, advanced assistance technologies have permeated manufacturing processes, yet the absence of systematic implementation methods remains a challenge. This research presents a multidimensional framework developed through inductive reasoning, encompassing technological capabilities and instructional considerations. Its primary objective is to guide the development of context-specific assistance solutions, shifting the focus from automated solutions to thoughtful technology selection and implementation. The framework's application has the potential to elevate stakeholder design processes through interactive visualizations and experiential anchoring. Notably, the adoption of cognitive assistance systems within manufacturing is on the rise, driven by the maturation of virtual and augmented reality solutions. However, a notable gap exists in systematic approaches for selecting and designing these technologies. This paper addresses this gap by proposing a comprehensive framework grounded in an inductive approach. This research seeks to enhance awareness among decision-makers in companies regarding essential selection and decision criteria. Furthermore, it offers guidance for a systematic and participatory implementation process. The research results underscore the importance of adopting such a framework in the industry 4.0 landscape, shedding light on the need for strategic technology integration. This study suggests that the proposed framework can serve as a valuable tool to facilitate informed decision-making and drive the successful implementation of assistance technologies in manufacturing processes.

Advancing Production Operation Safety with Virtual Reality Solutions and AI-Driven Computer Vision

Advancing Production Operation Safety with Virtual Reality Solutions and AI-Driven Computer Vision

Exploring Neural Network-Based Analysis for Vocal Music Teaching Quality in Virtual Reality Solution

Exploring Neural Network-Based Analysis for Vocal Music Teaching Quality in Virtual Reality Solution

Virtual Reality Solutions for Enhanced Fault Diagnosis of Rolling Bearings in Passenger Cableways with an Improved Deep Learning Approach

Virtual Reality Solutions for Enhanced Fault Diagnosis of Rolling Bearings in Passenger Cableways with an Improved Deep Learning Approach

Optimizing Virtual Reality Solutions for Predicting English Online Network Performance Using the XGBoost Algorithm

Optimizing Virtual Reality Solutions for Predicting English Online Network Performance Using the XGBoost Algorithm

Transformative Optimization of College Swimming Courses Through Virtual Reality Solutions and Nonlinear Data Analysis in the Artificial Intelligence Era

Transformative Optimization of College Swimming Courses Through Virtual Reality Solutions and Nonlinear Data Analysis in the Artificial Intelligence Era

Virtual Reality Solutions for Sports Training Data Management with 5G UWB Communication Technology and Wearable Devices

Virtual Reality Solutions for Sports Training Data Management with 5G UWB Communication Technology and Wearable Devices

Modelling and Simulation of a Hydraulically Operated Solar Tracker

The work deals with the design of the hydraulically operated solar tracker used for a photovoltaic (PV) platform. The tracking mechanism is a dual-axis, azimuthal type, the primary axis, that of the daily/diurnal movement, being positioned vertically, which provides a high stability of the entire structure. The actuation in both movement subsystems (daily and elevation) is achieved by using linear actuators, in the subsystem for the daily movement a stroke amplification mechanism being interspersed between the actuator and the rotating part of the support pillar, which constitutes an element of novelty/originality regarding the mechanical device of the solar tracker. The sun tracking is conducted by an open-loop control strategy, based on a predefined step-by-step algorithm, which was designed so that to capture as much as possible incident solar radiation with a minimum energy consumption for achieving the orientation. The modeling and simulation of the solar tracker is carried out in mechatronic concept, by using the virtual prototyping solutions ADAMS (for the mechanical device model) and EASY5 (for the control system model) of MSC Software.

Containers-Based Network Services Deployment: A Practical Approach

In recent years, virtualizing network servicesand functions has enabled optimizing hardware resources onresource-constrained devices, such as CPU, memory, and storage.Traditional virtualization is achieved through virtual machinesusing a layer known as a hypervisor. While this form of virtualization offers advantages such as scalability and portability, it has disadvantages in terms of performance compared to non-virtualized deployments. In this context, alternative virtualization technologies like containers allow virtualization on the same physical infrastructure, improving overall performance, portability, and service scalability. This paper implements the deployment of network services on the Raspberry Pi development platform, which has limited resources. This is achieved through a multi-container virtualization solution using the Docker Compose tool, based on Docker containerization technology. Finally, a performance analysis of the implemented virtualization solution is conducted in terms of resource utilization by each service.

Adapting to change: exploring perceptions and demands of the coronavirus (COVID-19) workforce changes - an Australian multi-institutional radiation oncology survey.

Objective To evaluate the perceptions of the coronavirus disease 2019 (COVID-19) initiated workplace strategies implemented in radiation oncology departments across Australia. Methods A multidisciplinary team from Princess Alexandra Hospital developed a survey to address the impact of the pandemic strategies on areas such as patient care, staff education, well-being, flexible working arrangements, and research. The survey was conducted from November 2020 to April 2021. Results Out of 210 respondents from seven institutions, 45% reported burnout and 57% experienced work work-related stress. A significant majority of respondents were in favour of continued remote work (86%, 131/153). Radiation oncologists identified administrative or non-clinical work (92%, 34/37), telehealth clinics (32%, 12/37), or radiation therapy planning (22%, 8/37) as suitable for remote work. Additionally, 54% (21/39) of the radiation oncologists plan to use telehealth more frequently, with 67% (26/39) feeling more confident with the technology. The majority (81%, 171/210) of participants favoured continuation of hybrid in-person and virtual meetings. Virtual solutions were adopted for quality assurance activities (72%, 118/165) and 52% (60/116) indicated preference for ongoing utility of virtual platforms. However, 38% (79/210) of the respondents expressed concerns about the negative impact on junior staff training. Conclusion These findings reveal a strong inclination towards technological advancements and remote work arrangements to enable flexible working conditions. Our study suggests the need for ongoing reforms, focusing on improving clinical service delivery efficiencies and enhancing job satisfaction among clinicians.

Promoting Safety, Security, Awareness and Productivity in Port Plants

This paper focuses on the combined use of eXtended Reality and Simulation to improve awareness and confidence in Container Terminal Operations by tailoring a Simulation Systems. Experimentation is proposed as example of the benefits achievable by training virtually operators in this context. The complexity of Port Operations creates a quite dangerous environment where the highly competitive business sector push to increase speed of operations and flows. In additions Port Terminals involve many actors that have to work and interoperate within a multi domain environment, outdoor all around the clock along the year in an almost all- weather context. Ports are growing getting encapsulated within major city that over time turn to be megacities creating additional challenges especially in terms of Safety and Security that require to operate with high performance in a safe framework. The automation obviously is crucial to further increase operations, therefore up to know the human component is still quite critical for many ancillary activities as well as often on main and secondary ones due to the flexibility and reliability required. This aspect could suggest a big potential for Industry 4.0 and its future evolution in this field as well as a continuous struggling with the very conservative mentality of Shipping and Maritime Operations relying in Systems able to operate in the previous mentioned conditions. Indeed, Training and Education are crucial to face these challenges and make it possible to introduce new technologies, policies and approaches in the very strategic field of Port Activities. The authors propose an experimentation carried out to demonstrate the potential to move training and education on virtual interactive solutions based on MS2G paradigm (Modeling, interoperable Simulation and Serious Games) by tailoring a Simulation System on specific criticalities