Pose Estimation in Extended Reality Systems Using Dynamic Power Modes
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Solution Overview
Problem
Existing pose estimation and tracking technologies in extended reality, robotic, and autonomous device applications face significant power consumption challenges, leading to reduced battery life and increased thermal issues in smaller, lighter devices.
Innovation Solution
The implementation of an integrated circuit with distinct lower-power and higher-power circuit elements that switch between processing modes to conserve power. Lower-power circuit elements handle tracking during lower-power periods, while higher-power circuit elements take over during higher-power periods for more accurate tracking and rendering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If higher-power circuit elements are used continuously for tracking, then tracking accuracy and quality are improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic switching between lower-power and higher-power circuit elements based on operational requirements. The system transitions from static power consumption to dynamic power management by adjusting which circuit elements are active, allowing the device to optimize the balance between tracking accuracy and power consumption in real-time.
Solution Approach 2:
The patent employs periodic switching between different processing modes. The system alternates between lower-power processing periods and higher-power processing periods, using periodic action to maintain tracking functionality while significantly reducing average power consumption through strategic idle periods.
2Weight of moving object
If smaller devices are used to reduce weight and size, then portability is improved, but thermal dissipation becomes more difficult
Solution Approach 1:
The patent applies dynamic power management to address thermal challenges in compact devices. By dynamically adjusting which circuit elements are active and switching between processing modes, the system controls thermal generation in real-time, preventing heat accumulation in the limited space of smaller devices while maintaining portability.
Data Source
AI summary
Systems, methods, and computer-readable media are provided for providing pose estimation in extended reality systems. An example method can include tracking, in a lower-power processing mode using a set of lower-power circuit elements on an integrated circuit, a position and orientation of a computing device during a lower-power processing period, the set of lower-power circuit elements including a static random-access memory (SRAM); suspending, based on a triggering event, the tracking in the lower-power processing mode; initiating a higher-power processing mode for tracking the position and orientation of the computing device during a higher-power processing period; and tracking, in the higher-power processing mode using a set of higher-power circuit elements on the integrated circuit and a dynamic random-access memory (DRAM), the position and orientation of the computing device during the higher-power processing period.