Two-Handed Gesture Recognition in xR Applications
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Solution Overview
Problem
Current virtual, augmented, and mixed reality applications lack the capability to effectively recognize and respond to two-handed gesture sequences, limiting user interaction and control within immersive environments.
Innovation Solution
An Information Handling System (IHS) equipped with a processor and memory that receives and identifies two-handed gesture sequences from a user wearing a Head-Mounted Device (HMD), executing specific commands based on recognized sequences such as display control, workspace management, and collaboration actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If one-handed gestures are used for interaction, then device complexity is reduced, but user interaction capability is limited
Solution Approach 1:
The gesture recognition system segments two-handed gestures into independent hand trajectories, detecting each hand separately and then analyzing their coordinated movement patterns. This allows complex two-handed interactions to be processed through modular detection of individual hand paths followed by relational analysis, enhancing interaction capability without proportionally increasing system complexity
Solution Approach 2:
The system transitions from analyzing static gesture positions to tracking dynamic hand trajectories through space and time. By capturing the temporal dimension of hand movement and analyzing trajectory patterns, the system enables recognition of complex two-handed gesture sequences that involve coordinated motion between both hands, significantly expanding interaction possibilities
2Measurement precision
If complex gesture sequences are recognized, then user control precision is improved, but processing time increases
Solution Approach 1:
The system performs preliminary detection of hand trajectories and identifies potential gesture sequences during the motion phase before completion. By pre-processing trajectory data and anticipating gesture outcomes based on partial trajectory information, the system reduces the time required to recognize and process complete gesture sequences while maintaining high precision through continuous trajectory validation
Solution Approach 2:
The system implements timeout mechanisms that allow gesture recognition to proceed to completion without waiting for absolutely certain detection. When trajectory patterns strongly indicate a specific gesture sequence, the system can skip prolonged analysis and rapidly confirm the gesture, reducing processing time for clear-cut cases while maintaining precision through confidence thresholding
3Ease of operation
If two-handed gesture sequences are implemented, then ease of operation is improved, but system complexity increases
Solution Approach 1:
The gesture processing system segments two-handed gestures into independent hand trajectories, detecting each hand separately and then analyzing their coordinated movement patterns. This modular approach allows complex two-handed interactions to be processed through simpler, independent hand detections followed by relational analysis, improving ease of operation without proportionally increasing overall system complexity
Solution Approach 2:
The system implements a universal gesture recognition framework that handles both one-handed and two-handed gestures through the same underlying trajectory detection and analysis mechanisms. By creating a multi-functional system that processes different gesture types through common algorithms, the system improves operational ease across diverse gesture inputs while avoiding the need for separate specialized processing systems
Data Source
AI summary
Systems and methods for enabling two-handed gesture sequences in virtual, augmented, and mixed reality (xR) applications are described. In an illustrative, non-limiting embodiment, an Information Handling System (IHS) may include a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution, cause the IHS to: receive a gesture sequence from a user wearing an HMD coupled to the IHS, where the HMD is configured to display an xR application; identify the gesture sequence as a two-handed sequence; and execute a command in response to the two-handed sequence.