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Virtual Reality (VR) has as goal the creation of digital three dimensional environments to run in real time interactive and realistic experiences. The experiences can be augmented by the use of haptic systems, able to provide sense of touch in virtual objects. The anesthesia procedure is present in all surgeries to keep stable the patient physiology. The use of VR based simulators for anesthesia training...
Currently, literature points out the lack of studies about collaborative virtual environments with intelligent tools capable of providing automatic evaluation feedback of different collaborative procedures (e.g., surgical, military training). In addition, there is a lack of classifications and methodologies for the implementation of CVEs with simultaneous evaluation of multiple users, making it difficult...
Virtual accident scenes in specific environments are simulated via the virtual reality technology. In the light of emergency rescue principles, trainees are allowed to mobilize and deploy emergency rescue forces, and work out combat schemes to control the development and expansion of accidents. In addition, based on the tactical knowledge repository, the system carries out logical reasoning for combat...
The paper shows historical aspects of the application of computer-based information systems, providing the process of cosmonaut training for a space flight at the Gagarin Cosmonaut Training Center. These systems include: systems ensuring the operation of simulation complexes for cosmonaut training, computer-assisted instruction systems (computer-assisted simulators), databases for storing the results...
This paper deals with virtual reality in context of Industry 4.0 projects. Due to sufficient computing power, virtual reality allows visualization of virtual objects in both professional and public spheres. With virtual reality, solving complex projects has become much easier, especially of those based on Industry 4.0 standards. Industry 4.0 projects require connection between all systems of modern...
Virtual reality technology is a new way for people to visualize and interact with complex data through computers. Virtual reality technology based on simulation software is relatively mature. However, the simulation process is more complicated and the simulation of the interactivity cannot be satisfactory. Immersive virtual objects in the virtual scene are more interactive, and more in line with the...
The aim of this study was to investigate whether augmented cues that have previously been shown to enhance performance and user satisfaction in VR training translate into performance improvements in real environments. Subjects were randomly allocated into 3 groups. Group 1 were trained to perform a real tyre change, group 2 were trained in a conventional VR setting, while group 3 were trained in VR...
Palpation is important medical diagnostic technic to make correct diagnosis of symptomatic state. It requires a lot of palpation experience under leadership of an experienced medical doctor. Hence, a palpation training system with virtual model of an affected part is useful to get better at the skill. However, there is no practical training for maxillofacial palpation in the dental education curriculum...
Considering rescue operations, natural disasters, military missions, or similar situations, it is vital for a successful mission and for the safety of all action forces to obtain a realistic and up-to-date overview of the operational area. Easy-to-understand three-dimensional visualizations and attached applications for 3D simulation, training, planning, and assistance provide massive additional benefit...
The value of virtual reality simulation for emergency response training and improvement has great potential, but obstacles remain. The utility of simulators is dependent on creating a highly realistic environment. Rather than building a virtual world from scratch, using existing architectural models may be a viable option due to the large quantity of data embedded within three-dimensional architectural...
There has been an increase in the number of dentist since the 1950s in Japan. This has been recognized as one of medical issues in Japan. The increase of dentists causes a reduction of diagnostic opportunity per dentist and becomes a factor which declines the quality of dental therapy. By the way the education contents implemented in dental college has not been changed, where dental students study...
Based on open-source 3-D graphics engine OSG technique, this paper expounds the framework and function modules of a virtual training scenario editing system of emergency disposal based on VR. Taking a hazmat leakage accident on the road as an example, the prototype system was implemented. Research shows that the scenario editing system can be used to build all kinds of training simulation scenarios...
Generally, surgeons of minimally invasive surgery should possess good ability to coordinate their both hands. The manipulation of guide wire is considered a core skill. Obtaining that core skill to perform minimally invasive surgery requires training. In minimally invasive surgery, a surgical robot can assist doctors to position precisely and provide stable operation platform. Therefore, to develop...
This virtual simulation training system is a kind of generation using virtual reality technology, and it is suitable for simulation training virtual environment, it can be a true reproduction of a practical training bases or facilities, can also be a fictional world, the trainees in a virtual environment as the backing, immersed in it, for the corresponding study and training. Mainly from the following...
Many computational applications for virtual medical training manipulate 3D objects that represent organs and human tissues. These representations, in function of the training requirements, may include parameters such as shape, topology, color, volume, texture and, in certain cases, physical properties such as elasticity and stiffness. An approach is presented in this paper, combining methods and models...
The evolution of computational techniques currently used in the multimedia and virtual reality fields enables new educational applications in various domains of human knowledge. One of the challenges presented by this new context is the setting of efficient methods for the evaluation of sensory-motor skills acquisition in three-dimensional virtual environments in medical training. A concept model...
Aiming at the difficulty of large weapon equipment operation training simulation, GL Studio software tool was adopted based on VR technology. A hierarchy structure was put forward to simulate all kinds of integrating equipment system, single equipment and operation unit. Key technologies including Model database structure optimization, LOD, operation unit motion simulation based on DOF and screen...
Traditional patterns of manufacturing training have a lot of problems, such as high cost, low efficiency and so on. Simulative training for producers based on virtual reality and human-computer interaction, is one of the most economical methods at present. This paper proposes the virtual rebuilding of manufacturing process based on virtual and reality technologies, analyses its status quo at home...
This paper treats a development system for medical training systems supporting hap tic devices. The research group of the authors has already proposed a 3D software development system called Intelligent Box. Intelligent Box has provided various software components called boxes, which are 3D visible, reactive objects. Intelligent Box allows the user to develop 3D graphics applications by combining...
This article elaborates the concept and meaning of virtual reality technology and virtual maintenance, discusses the virtual reality technology application in the process of equipment maintenance, and gives a brief introduction to virtual maintenance system, which use VC and vega software as a platform and set up by Multigen Creator and 3D MAX, quoted an cannon as an example.
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