Head-Mounted VR Navigation Using Body Lean for Intuitive Locomotion
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Solution Overview
Problem
Current handheld computing devices face challenges in navigating multi-dimensional virtual spaces, as they lack intuitive methods for controlling both location and orientation within virtual environments, leading to impractical physical locomotion requirements and limited natural interaction techniques.
Innovation Solution
The development of a system that uses a handheld computing device to integrate ordinary locomotion, orientation, and stabilization gestures to navigate and explore polylinear audio and video streams in a virtual environment of architectural scale, providing proprioceptive feedback without the need for buttons, keyboards, or touchscreens, by mapping device posture and motion to virtual camera movements and audio spatialization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional handheld computing devices are used for navigating virtual environments, then basic interaction is possible, but intuitive control of location and orientation is lacking
Solution Approach 1:
The patent replaces traditional mechanical input devices (buttons, keyboards, touchscreens) with inertial sensing technology. The handheld device uses accelerometers and gyroscopes to detect natural user gestures and map them to virtual environment navigation, substituting mechanical interaction with motion-based control that feels more intuitive and natural.
Solution Approach 2:
The system changes the parameters of interaction by mapping device orientation angles and acceleration vectors to virtual camera position and rotation. By transforming physical motion parameters into virtual navigation parameters, the system enables intuitive control where natural hand movements directly correspond to virtual environment exploration.
2Productivity
If physical locomotion is required to navigate virtual spaces, then immersive experience is achieved, but practical usability is limited
Solution Approach 1:
The patent creates a copy of locomotion control through gesture recognition. Instead of requiring actual physical movement through space, the system captures hand gestures and replicates the navigational effect in the virtual environment. A flick gesture copies the intent of forward movement, allowing users to navigate efficiently without physical exertion.
Solution Approach 2:
The navigation system segments complex locomotion into discrete, manageable gestures. Rather than requiring continuous physical movement, the patent breaks down navigation into distinct gestures (flicks, circles, holds) that correspond to specific virtual movements, making the system more practical and easier to operate.
3Loss of information
If detailed navigational feedback is provided to establish proprioceptive sense, then spatial awareness is improved, but information overload may occur
Solution Approach 1:
The patent implements a feedback system that provides proprioceptive information about virtual location and orientation. The device tracks and reports back the user's position in the virtual environment, creating a sense of spatial awareness. This feedback loop allows users to understand their location without being overwhelmed by excessive data.
Solution Approach 2:
The system provides just enough navigational feedback to establish spatial awareness without overwhelming the user. Rather than displaying all possible positional and orientational data, the patent selectively presents essential information that maintains proprioceptive sense while avoiding information overload.
Data Source
AI summary
Locomotion-based motion sickness has long been a complaint amongst virtual reality gamers and drone pilots. Traditional head-mounted display experiences require a handheld controller (e.g. thumb stick, touchpad, gamepad, keyboard, etc.) for locomotion. Teleportation compromises immersive presence and smooth navigation leads to sensory imbalances that can cause dizziness and nausea (even when using room-scale sensor systems). Designers have therefore had to choose between comfort and immersion. The invention is a hands-free, body-based navigation technology that puts the participant's body in direct control of movement through virtual space. Participants lean forward to advance in space; lean back to reverse; tip left or right to strafe/sidestep; and rotate to look around. In some embodiments, the more a participant leans, the faster they go. Because the interactions were designed to respond to natural bearing and balancing instincts, movement coordination is intuitive and vection-based cybersickness is reduced.