Page 1 Exploring the Usefulness of Finger- Based 3D Gesture Menu SelectionPage 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Finger-CountPage 9 Hand-n-HoldPage 10 Thumbs-UpPage 11 Finger-Count選擇時間最短Thumbs-Up最長Page 12 精確度 Hand-n-Hold最高Thumds-Up最低Page 13 Finger-Count使用者接受度最高手臂疲勞度最低Page 14 3D MarkingPage 15