AR/VR Peripheral Dock Tracking for Reduced Compute Load
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Solution Overview
Problem
Existing AR/VR systems face challenges in efficiently tracking multiple peripheral devices, particularly when they are docked or stationary, as continuous tracking consumes computing resources and most systems can only track a limited number of devices.
Innovation Solution
The system detects when a peripheral device, such as a stylus, is docked by monitoring its motionlessness and orientation, stops tracking it to conserve resources, and maintains its location in the virtual environment by rendering the docking station, allowing the device to be easily retrieved without reinitiating tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If continuous tracking of peripheral devices is maintained, then device location accuracy is preserved, but computing resource consumption increases
Solution Approach 1:
The system implements periodic tracking intervals for docked devices instead of continuous tracking. The tracking controller reduces the frequency of location updates for devices that have been docked, maintaining positional awareness while significantly reducing processor workload and energy consumption during idle periods.
Solution Approach 2:
The tracking system dynamically adjusts its operation mode based on device state. When a device is docked and stationary, the system transitions from continuous high-precision tracking to periodic or reduced tracking, allowing the tracking parameters to adapt to the current operational context and resource availability.
2Quantity of substance
If multiple peripheral devices are tracked simultaneously, then device visibility in virtual environment is maintained, but system complexity increases
Solution Approach 1:
The tracking system segments devices into different categories based on their operational state - active handheld devices and docked stationary devices. Different tracking strategies are applied to each segment: continuous tracking for active devices and periodic/reduced tracking for docked devices, thereby managing system complexity through categorization and differential handling.
Solution Approach 2:
The tracking controller implements a universal tracking framework that can handle multiple device types and states through a single unified system. This multi-functional approach allows the same controller to manage both continuous and periodic tracking, as well as handle various peripheral devices (stylus, controllers, sensors) using consistent protocols and data structures.
3Productivity
If tracking of docked devices is stopped, then computing resources are conserved, but device retrieval time increases
Solution Approach 1:
The system performs preliminary actions by maintaining the virtual representation of docked devices in the AR/VR environment even when physical tracking is reduced or stopped. The docking station's virtual model and the docked device's position are preserved in advance, so when a user approaches or interacts with the docking area, the device is already visible and ready for retrieval without requiring re-tracking or re-rendering.
Data Source
AI summary
A method for tracking a physical object in a virtual environment. The physical object is tracked and a rendering of the physical object in the virtual environment is displayed. The placement of the physical object in a storage location where it is no longer being moved is detected. The tracking of the physical object is stopped, while continuing to display the physical object at the location in the virtual environment.