XR Guided Stretching Session with Head Pose Tracking
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Solution Overview
Problem
Prolonged computer use can negatively impact posture, leading to muscle strain and discomfort, as existing solutions fail to effectively monitor and address user posture in real-time.
Innovation Solution
A system and method that uses extended reality (XR) technology to present a guided stretching session, determining visual cue locations within a 3D environment based on user profile and head pose information, providing feedback upon completion of stretches, and adapting the session to user flexibility and preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional posture monitoring methods are used, then device complexity is reduced, but measurement precision and real-time monitoring capability deteriorate
Solution Approach 1:
The patent replaces traditional mechanical posture monitoring devices with XR-based visualcue systems that use head pose information and 3D environment rendering to guide stretching exercises, eliminating complex mechanical sensors while achieving accurate posture monitoring through software-based head tracking
Solution Approach 2:
The system introduces visual cues as an intermediary element between the user and the stretching exercise, where virtual indicators in the 3D environment guide users to perform correct stretches without requiring direct complex sensor feedback to the user
2Adaptability or versatility
If generic stretching sessions are provided, then device complexity is reduced, but adaptability to user needs deteriorates
Solution Approach 1:
The patent implements dynamic adaptation of stretching sessions by continuously monitoring user head pose information and flexibility levels, automatically adjusting visual cue positions and exercise parameters in real-time without requiring manual reconfiguration by the user
Solution Approach 2:
The system performs self-adjustment by automatically tailoring stretching sessions based on user profile information and real-time head pose data, eliminating the need for manual customization interfaces or complex user setup procedures
3Measurement precision
If real-time feedback is implemented, then measurement precision improves, but use of energy increases
Solution Approach 1:
The patent implements selective feedback by providing real-time visual cue updates only when head pose changes exceed threshold values, reducing unnecessary computational processing while maintaining accurate posture monitoring and feedback timing
Data Source
AI summary
In some implementations, a method includes: while presenting a 3D environment, obtaining user profile and head pose information for a user; determining locations for visual cues within the 3D environment for a first portion of a guided stretching session based on the user profile and head pose information; presenting the visual cues at the determined locations within the 3D environment and a directional indicator; and in response to detecting a change to the head pose information: updating a location for the directional indicator based on the change to the head pose information; and in accordance with a determination that the change to the head pose information satisfies a criterion associated with a first visual cue among the visual cues, providing at least one of audio, haptic, or visual feedback indicating that the first visual cue has been completed for the first portion of the guided stretching session.