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  • Exclusive:application technology of virtual reality
    FAN Liya, MA Jieyuan, ZHANG Kefa, WU Zhiming, HUAQIAN Sangduo
    Science & Technology Review. 2020, 38(22): 31-40. https://doi.org/10.3981/j.issn.1000-7857.2020.22.004
    The virtual reality technology provides a lifelike, three-dimensional, fully scenario reproducible learning environment for anatomy teaching and surgery training, with great advantages in reducing the cost of practice, improving the quality and efficiency of training, and improving the success rate of surgery. This paper analyzes a teaching system of human anatomy based on HoloLens, including the functional requirements, the selection of software and hardware platform, the key development technology and the implementation. Finally, the existing problems in the field of virtual human anatomy and surgery training are analyzed, and the future development direction is suggested.
  • Exclusive:application technology of virtual reality
    LANG Zhenhong
    Science & Technology Review. 2020, 38(22): 41-49. https://doi.org/10.3981/j.issn.1000-7857.2020.22.005
    Based on the related databases at home and abroad, this paper reviews the construction and the applications of the virtual reality(VR) technology in the virtual library at home and abroad from the aspects of the virtual scene, the virtual resources, and the virtual services.
  • Exclusive:application technology of virtual reality
    LI Xujian, LI Hao, XIONG Jiupeng
    Science & Technology Review. 2020, 38(22): 50-58. https://doi.org/10.3981/j.issn.1000-7857.2020.22.006
    Abstract (524) PDF (2784) HTML   Knowledge map   Save
    The virtual reality enjoys multisensory, immersive, interactive and imaginative features. In recent years, the development of the virtual reality technology has provided a new way for the protection of the cultural heritage. This paper reviews the applications of the virtual reality technology in the cultural heritage protection based on the information of the Web of Science and CNKI from 2010 to 2019, focusing on the material and intangible cultural heritages. It is found that the researches of virtual reality have mainly focused on the artifacts, the alligraphy and painting, the sculpture and the architectural sites in the field of material cultural heritage, and in the field of intangible cultural heritage, the researches have mainly focused on oral stories and sound, traditional skills and customs. With the advances of technology, the speed and the accuracy of the 3D modeling are continuously improving, and the addition of sound enhances the immersion of the virtual system. On this basis, the research direction is highlighted.
  • Exclusive:application technology of virtual reality
    ZHENG Yu, HONG Liang, ZHENG Ganling
    Science & Technology Review. 2020, 38(22): 59-64. https://doi.org/10.3981/j.issn.1000-7857.2020.22.007
    The collaboration between human and robot is advantageous for complex industrial assembly processes, especially, when the increased flexibility and adaptability become a key feature of production systems. The virtual reality (VR) systems can be used to simulate the cooperative processes, including workers and their individual behavior. The VR simulations make it possible to secure the running of the processes and reduce the physical and mental barriers between human and robot. This paper presents a methodical approach for the implementation of the systems for the virtual testing of the collaborative assembly processes. To replicate the assembly process with the highest possible verisimilitude, a specific VR system is built based on the analysis of the assembly process. The core features of the system are the physical simulation of the assembly process, the integration of the robot control and a haptic feedback for the operator.
  • Exclusive:application technology of virtual reality
    HOU Peng, YU Shaoyong
    Science & Technology Review. 2020, 38(22): 65-71. https://doi.org/10.3981/j.issn.1000-7857.2020.22.008
    In order to solve for the group callisthenics teaching the problems of too many rehearsals, too long time and the difficulty in organization, a virtual simulation teaching experiment is designed and developed for the group gymnastics rehearsal, mainly through the computer technology to create the rehearsal scene and the personnel 3D modeling. Students can create and design the group gymnastics formation by using the virtual simulation of the whole rehearsal process. The teaching experiment results show that the program can help students master the running route, direction and cooperation with other people, and improve the rehearsal efficiency of large-scale group callisthenics performance scenes.
  • Exclusive:application technology of virtual reality
    FAN Liya, MA Jieyuan, ZHANG Rong, ZHANG Kefa, YIN Yuting
    Science & Technology Review. 2020, 38(22): 72-85. https://doi.org/10.3981/j.issn.1000-7857.2020.22.009
    A series of related policies were issued by local governments in China to promote the development of the virtual reality industry, due to its rapid development. However, it is not well studied how to promote this industry development by the virtual reality industry policies at present. Based on the two-dimension analyzing framework of policy tools and industrial innovation requirements, this paper analyzes 61 policy documents related to the virtual reality policies issued by local governments in China. It is shown that ‘supply-side policy’ and ‘demand-side policy’ are more frequently used, focusing on the application and the promotion of the integration of the virtual reality technology and the traditional industry innovation in particular. But the percentile of environment-side policies is too low in the dimension of policy tools. In the dimension of industrial innovation requirements, most of the policy tools focus on the technology research and development, but the role of the capital and human resource elements is not well considered, as still an important problem to restrict the further sustainable development of the virtual reality industry.