9:30 AM - 11:30 AM △ [21a-P1-1] Volumetric 3D Display System using Rotating Screen -Relation between Screen Translucency and 3D Iamage Visibility- 〇(M1)Shinnosuke Suzuki1, Chiemi Fujikawa1, Makoto Omodani1 (1.Tokai Univ.)