Interaction with Three-Dimensional Gesture and Character Input in Virtual Reality: Recognizing Gestures in Different Directions and Improving User Input

Hand-gesture recognition is a key aspect to make virtual-reality (VR) interaction more convenient. Making a user's idea understood by computers (i.e., character input) plays an important role in interaction. Current methods of hand gesture and character input are too limited to make full use of the powerful capacity possessed by current computers.