VR Headset Pupil Detection for Faster Content Display
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Solution Overview
Problem
The time taken from mounting a head-mounted display (HMD) to displaying virtual reality (VR) content is undesirably long when the HMD is taken out from storage.
Innovation Solution
A VR content display system with a head-mounted display that includes detection units for pupil position, a storage unit, and a display control unit to automatically mount and display VR content once proper pupil positions are detected, reducing manual intervention and optimizing the transition from storage to display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the HMD is taken out from storage and manually mounted, then the user can view VR content, but the time taken from mounting to content display is long
Solution Approach 1:
The system performs preliminary actions by automatically detecting pupil positions and determining proper HMD mounting positions before the user completes the mounting process. The display control unit prepares to start content display as soon as proper positioning is detected, eliminating waiting time between manual mounting and content presentation.
Solution Approach 2:
The HMD includes self-service functionality through integrated pupil position detection units that automatically detect whether the user's pupils are at proper positions. This automated detection eliminates the need for manual adjustment and provides real-time feedback to the display control unit, enabling automatic transition to content display.
2Productivity
If automated pupil detection is implemented, then content display time is reduced, but device complexity increases
Solution Approach 1:
The pupil position detection unit serves multiple functions: it detects whether the HMD is properly mounted, determines user presence, and provides input for automatic display control. This multi-functionality reduces the need for separate sensors and control mechanisms, thereby limiting the increase in device complexity while achieving automated content display.
3Loss of time
If the system waits for manual confirmation of proper HMD positioning, then display accuracy is ensured, but time delay increases
Solution Approach 1:
The detection unit provides continuous feedback on pupil position to the display control unit. When the pupils are detected at proper positions, the system immediately transitions to content display without requiring manual confirmation. This closed-loop feedback system ensures positioning accuracy while eliminating time delays associated with manual verification.
Data Source
AI summary
A VR content display system includes a head-mounted display (HMD), a storage device, a position determination unit, and a display control unit. The position determination unit starts, in response to the HMD being taken out from the storage device, determination of whether positions of pupils of a user wearing the HMD are located at predetermined proper positions or not. The display control unit starts, in response to determination that the positions of the pupils of the user wearing the HMD are located at the proper positions, display of virtual reality content on the HMD.