Embedded VR Trainer Coaching With Synchronized Workout Feedback
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Solution Overview
Problem
Virtual reality systems lack the ability to interact with real physical objects within a three-dimensional space, limiting the user's experience to a representation of their actions without providing a realistic boxing experience.
Innovation Solution
Embedding a trainer, either AI-generated or recorded, into the user's VR environment using chroma-keying techniques, allowing the trainer to actively participate in workouts and provide real-time feedback based on the user's performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a VR system uses handheld controllers and HMD to track user movements, then the system can detect and record user actions, but the user cannot interact with real physical objects in three-dimensional space
Solution Approach 1:
The patent introduces physical markers as intermediaries between the user and the VR system. These markers are placed on real physical objects and detected by the HMD's forward-looking camera, enabling the system to recognize and track real-world objects. This mediator allows the VR system to interact with physical objects indirectly, resolving the contradiction between virtual tracking and physical interaction.
Solution Approach 2:
The patent replaces traditional mechanical tracking systems (handheld controllers) with an optical tracking system using the HMD's built-in camera to detect markers. This substitution eliminates the need for physical controllers and enables direct interaction with real-world objects through visual recognition, thereby improving adaptability while maintaining tracking accuracy.
2Ease of operation
If a VR system provides immersive virtual environments, then user engagement is enhanced, but real-time personalized feedback and coaching are limited
Solution Approach 1:
The patent implements a feedback mechanism where the system continuously monitors user performance by tracking marker positions and movements, compares them against target positions, and provides real-time corrective feedback through the VR display. This closed-loop feedback system maintains high user engagement while delivering personalized coaching information that was previously lost in traditional VR systems.
Solution Approach 2:
The system performs preliminary actions by pre-defining target positions and movement paths for exercises, then automatically evaluating user performance against these predetermined criteria. This allows the system to provide immediate feedback without requiring manual intervention, enhancing both user engagement and feedback quality.
3Reliability
If a VR system tracks user head and controller positions, then virtual boundary enforcement is possible, but spatial location of real objects cannot be determined
Solution Approach 1:
The patent merges the virtual boundary enforcement system with real-world object tracking by integrating marker detection into the existing spatial tracking framework. The HMD's camera simultaneously tracks both virtual controller positions and physical markers in the same three-dimensional space, allowing the system to maintain reliable boundary enforcement while also achieving spatial awareness of real objects.
Data Source
AI summary
A virtual reality (VR) system comprising a head-mounted display (HMD) and handheld controller set is enhanced to provide a more realistic end user VR experience. According to this disclosure, a trainer, which may be AI-generated, is embedded in the VR environment for use in workouts. This creates the illusion that the trainer is with the user in the virtual room. As the training video is rendered, a set of virtual reality (VR) events that have been synchronized to movements of the trainer in the training video are output to the user so that the trainer actively participates in the workout with the user. During the session, and based on the user's performance, additional AI-generated content is provided to the user as feedback.