VR Knowledge Graph Navigation With Gesture-Based Detail Control
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Solution Overview
Problem
Existing knowledge representation systems lack sufficient support for three-dimensionality, user customization, and gesture control, resulting in insufficiently immersive and intuitive experiences.
Innovation Solution
A three-dimensional graph is constructed in a virtual reality environment, allowing nodes and connections to be adjusted based on user gestures, with a multi-dimensional weighting system and gesture recognition sensors to enhance user interaction and information synthesis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional two-dimensional knowledge representation system is used, then the system structure is simple and easy to implement, but the user experience lacks immersion and intuitiveness
Solution Approach 1:
The patent transitions from traditional two-dimensional knowledge representation to a three-dimensional virtual reality environment. The knowledge graph is rendered in 3D space, allowing users to navigate and interact with knowledge nodes spatially. This dimensional transformation enhances immersion and intuitiveness while maintaining manageable system complexity through standardized VR development frameworks.
2Adaptability or versatility
If predefined gestures are used for interaction, then the gesture recognition is straightforward, but the user interaction lacks customization and flexibility
Solution Approach 1:
The system implements dynamic gesture recognition that adapts to user preferences and tasks. Multiple gesture types are supported including hand tracking, eye tracking, and voice commands. The gesture recognition system dynamically adjusts sensitivity and threshold parameters based on the current VR environment context, providing both customization and robust recognition without excessive complexity.
3Loss of information
If a three-dimensional graph with multiple nodes and connections is created, then the knowledge representation becomes more comprehensive, but the visualization and navigation become more complex
Solution Approach 1:
The comprehensive knowledge graph is segmented into hierarchical levels and thematic clusters within the 3D space. Users can navigate from high-level overview nodes to detailed sub-nodes through progressive disclosure. The system automatically segments dense connection networks into manageable groups based on semantic relationships, reducing visualization complexity while preserving complete knowledge representation.
Solution Approach 2:
The patent utilizes the third dimension to organize and display complex knowledge relationships that would be overwhelming in 2D. Nodes are positioned in 3D space based on their semantic relationships, with depth encoding hierarchical levels. This spatial organization allows comprehensive knowledge representation to be visualized intuitively without increasing perceived complexity, as the brain naturally processes spatial arrangements.
4Ease of operation
If gesture recognition sensors are integrated into the VR system, then the interaction control is enhanced, but the system complexity and cost increase
Solution Approach 1:
The VR system integrates multiple types of sensors (hand tracking cameras, eye tracking sensors, motion controllers) that serve multiple functions. These sensors not only recognize gestures but also provide presence detection, spatial mapping, and user attention analysis. This multi-functionality approach enhances interaction control while justifying the increased system complexity through consolidated hardware utilization.
Data Source
AI summary
An embodiment constructs a three-dimensional graph representing a corpus of knowledge. The three-dimensional graph includes nodes and connections coupling one node to at least another node. The embodiment presents visually, in a virtual three-dimensional space representation in a virtual reality (VR) environment, a first view of the three-dimensional graph. The embodiment adjusts, responsive to detecting a first gesture, the first view of the three-dimensional graph, the adjusting causing a change in a subset of the set of nodes. The change causes a representation, in the VR environment, of the first node to change to a new representation indicative of a different level of detail of the first node from the representation.