Research On Human-Computer Interaction Technology In Augmented Reality System

Augmented reality technology is a new technology which is produced in recent yearswith the development of virtual reality technology, it uses computer rendering to generatevirtual scene and fuses this virtual scene and the real world accurately, finally, it makes use ofvideo display device to present the situation after the fusion of virtual and reality to the user,thus greatly improving the human visual experience. Augmented Reality technology canproduce a sense of immersion in real time, people can interact with the computer in a morenatural way, and it is a human-computer interaction technology that emphasizes onpeople-centered, which has been widely used in military, medical, education, entertainmentand other fields.In the current research and development process of augmented reality systems,researchers mostly use entity handheld identification as the primary interface forhuman-computer interaction, bound computer-generated virtual models and handheldidentification together, through the operation of handheld identification to achieve interactionwith virtual models, this interactive mode of augmented reality system based on handheldidentification has the advantage of low costs, it is more practical for the system whoseexternal environment is stable, requires for interactive features are relatively simple. In thisissue, through researching and analyzing on the key technologies and application status in theaugmented reality system, on the premise of improving the practicality of augmented realitysystem, makes use of rapid quadrangle detection algorithm and other algorithms to improvethe traditional identify ways, improving the tracking registration performance of the system,at the same time, achieving the recognition of multiple identifications, further expanding thereal-time and applicability of the interactive mode based on handheld identification.In order to provide a more natural and intelligent interactive mode with users, this paperis based on the study of the theory and technology of handheld identification interactive mode,using human hand instead of handheld identification to complete interacting with the virtualscene, thus achieving a more natural and intelligent human-computer interaction. Humanhand is the most popular " interface device " for the hardware in the real world, comparedwith the entity type of the handheld device, its ease of use is obvious, using the human handas input interface to complete the interaction with the virtual scene, binding virtual model tothe operator’s body, the operator can manipulate virtual objects more easily and naturally, thus greatly improving the sense of immersion of human-computer interaction. In the researchprocess of augmented reality interactive technology based on human hand, this paper focuseson the gesture image segmentation, fingertip location detection and other key technologies,and design, test, compare, improve and optimize the related algorithms,achieving fingerdetection identification algorithm which is suitable for the interaction between human handand virtual model and other algorithms. In this study, finally, design and implement aaugmented reality interactive system based on finger recognition, the system allows the usersto interact with the system in real time with fingers, thus further expanding thehuman-computer interaction approaches in the augmented reality system.