3D human-computer interaction

3D Human-Computer Interaction (3D HCI) refers to the methods and technologies that allow users to interact with computers in a three-dimensional space. Unlike traditional 2D interactions (using a mouse, keyboard, or touch screen), 3D HCI leverages depth, volume, and spatial context to enhance user experiences and functionalities.

Input Devices

• Motion Controllers: Devices like the Nintendo Wii Remote or VR controllers that detect movement in three dimensions.
• Gesture Recognition: Cameras and sensors (e.g., Microsoft Kinect, Leap Motion) that capture body movements and hand gestures.
• Haptic Feedback: Systems that provide tactile feedback to the user, enhancing the sense of touch in a virtual environment.

Output Devices

• 3D Displays: Screens or projectors that provide a perception of depth, such as stereoscopic displays, holographic displays, or VR headsets.
• Augmented Reality (AR): Overlaying digital information on the real world, typically through devices like AR glasses or smartphones.

Interaction techniques

• Manipulation of 3D Objects: Techniques for selecting, rotating, scaling, and otherwise interacting with virtual objects in a three-dimensional space.