Evaluation of ease of target position recognition in interaction with midair images by using mist screen

Abstract

This paper described a interaction system with midair images projected by using mist screen. In comparison with the previously developed system, the new system has some advantages as follows: visibility and presence of midair images, tracking accuracy of a finger tip, interactivity with midair images. In the system, three new components: a high-power mist screen generation device, an accurate hand motion tracking method and a proper screen surface calibration algorithm are introduced. These advantages enhance quality of experience in interaction with midair images and enable quantitative evaluation of performance of the system. In the results of user evaluation test, positions of a CG object as midair image and user's finger tip are well corresponding. These results indicate that, position of midair images in the system can be recognized easily, and the system shows excellent performance as a midair image display system.