Research And Application Of Visual Interference Effect For Virtual Reality

With the wide application of virtual reality technology in various fields,in the two-dimensional and three-dimensional mixed interactive environment of virtual reality system,the user’s visual search time is prolonged,the decision-making ability is reduced,and the interactive tasks are confused,thus increasing the visual interference.In this paper,the TTF model of virtual reality interface task technology perception matching is constructed for the design of virtual reality interaction interface.Based on the user attention mechanism and virtual reality interaction task,the visual search interference effect of virtual reality is studied(1)Research on selective attention mechanism in virtual reality human computer interactionThis paper analyzes the technology and task characteristics of virtual reality human-computer interaction and the composition of interactive interface,summarizes the research methods of visual interference by analyzing the principle of visual search,and provides an experimental paradigm for the construction of task technology matching model.(2)Research on interference effect of relative distribution characteristics of virtual reality targetsAccording to the location and size of the target distribution,this paper studies the interaction efficiency with the response time as the index,and shows that the location and size of the target and non target(interference item)distribution have different effects on the user response time.(3)Research on interference effect of shape feature consistency of virtual reality targetAccording to the shape consistency of the target and the distractor,the lateral inhibition paradigm is applied to the experimental research.The results show that when the shape of the target and the distractor is inconsistent,the reaction time of the subjects is higher,and the effect is affected by the same side or different side of the target and the distractor.(4)Research on TTF model of human machine task technology perception matching in virtual realityAiming at the most important target selection task and virtual ray technology in virtual reality interaction,using the interference test results,considering the influence of the visual information of the target itself,the TTF model is improved based on usability research,and the matching model is established by subjective evaluation of cognitive load and eye movement data,which provides evaluation reference for interface design.In practical application,the matching model proposed in this paper provides a method for virtual reality digital interface evaluation,provides theoretical support for building a human centered real VR experience system,provides effective help for developers and designers to obtain the optimal interface,reduces design costs,and improves user experience.