VR Scrolling Navigation Using Wrist Gestures for Precise Control
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Solution Overview
Problem
Existing navigation and scrolling techniques in computer-generated shared artificial reality environments lack responsiveness and intuitiveness, hindering user experience.
Innovation Solution
Implementing natural navigation techniques based on sensed wrist movements, utilizing wrist-mounted sensors and head-mounted sensors to translate input gestures into precise scrolling commands, enhancing the responsiveness and intuitiveness of scrolling through virtual content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional navigation and scrolling techniques are used in virtual reality environments, then basic functionality is maintained, but responsiveness and intuitiveness deteriorate
Solution Approach 1:
The patent replaces traditional mechanical input devices (controllers, keyboards) with direct hand gesture recognition. The system detects wrist movements, finger pinches, and hand orientations to naturally control scrolling and navigation, making the interface more intuitive while maintaining system responsiveness through direct mapping of gestures to navigation commands.
Solution Approach 2:
The system allows users to interact with virtual reality environments using their natural hand movements without requiring learning of complex control schemes. The gesture recognition system automatically detects and interprets intuitive gestures (pinching, wrist rotation, hand orientation) to perform navigation and scrolling operations, making the system self-adapting to natural human behavior.
2Measurement precision
If complex control mechanisms are implemented to improve navigation precision, then scrolling accuracy is improved, but device complexity increases
Solution Approach 1:
The patent employs a multi-functional gesture recognition system that uses a single set of sensors to detect multiple types of gestures (pinching, wrist rotation, hand orientation, finger movement). This universal approach achieves precise scrolling control through various natural gestures without requiring separate control mechanisms for each function, thereby maintaining accuracy while minimizing complexity.
Solution Approach 2:
The system achieves precise scrolling by dynamically adjusting scrolling parameters (scroll speed, scroll distance, momentum) based on detected gesture characteristics such as wrist rotation angle, finger pinch duration, and hand movement velocity. This allows accurate control through natural variations in gesture parameters rather than complex mechanical controls.
3Ease of operation
If natural hand gestures are used for scrolling, then ease of operation is improved, but measurement precision of gestures deteriorates
Solution Approach 1:
The patent introduces virtual hand representations and gesture recognition algorithms as intermediaries between physical hand movements and scrolling commands. The system tracks wrist-mounted sensors and head-mounted sensors to create virtual hand models, which then interpret natural gestures into precise navigation commands, bridging the gap between intuitive movement and accurate measurement.
Solution Approach 2:
The system incorporates feedback mechanisms where the virtual reality environment responds to hand gestures in real-time, allowing users to see the effect of their gestures and adjust accordingly. This feedback loop improves gesture detection accuracy by providing contextual information about gesture interpretation and enabling users to refine their natural movements for more precise scrolling control.
Data Source
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Figure 2C
AI summary
Various aspects of the subject technology relate to systems, methods, and machine-readable media for navigating through a shared artificial reality environment. Various aspects may include receiving an indication of a virtual object in the shared artificial reality environment. Aspects may also include receiving an input gesture indicative of a navigation command associated with the virtual object. Aspects may also include determining at least one type of the input gesture comprising flexion and extension, pronation and supination, or radial and ulnar. Aspects may also include determining a control method. Aspects may include determining a scrolling parameter. Aspects may include identifying the navigation command based on the type of the input gesture, the control method, and the scrolling parameter. Aspects may include applying the navigation command to the virtual object.