VR Video Management System for Simultaneous Multi-User HMD Training
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Solution Overview
Problem
Current VR training methods for construction sites are costly, require specific locations, and can only train one person at a time, as they necessitate expensive equipment installation and sequential training due to the limitations of HMD terminals.
Innovation Solution
A VR video management system that allows simultaneous training of multiple users using HMD terminals synchronized with a manager terminal, enabling real-time control and management of VR videos without the need for separate equipment, allowing training anywhere without a dedicated space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional VR training equipment is installed, then immersive training experience is improved, but installation cost and device complexity increase
Solution Approach 1:
The patent uses video recording technology to capture real-world training scenarios and creates virtual replicas that can be viewed through HMD terminals. This copying approach eliminates the need for complex physical VR training equipment while maintaining immersive training experience, as the virtual environment is created by recording and replaying real-world events rather than requiring sophisticated virtual reality hardware infrastructure.
Solution Approach 2:
The patent replaces mechanical VR training equipment with a video-based system. Instead of using complex motion capture, virtual reality engines, and specialized hardware, the system uses simple video recording and playback mechanisms to achieve training objectives. This substitution dramatically reduces device complexity and installation requirements while maintaining training effectiveness.
2Reliability
If HMD terminals are used for sequential training, then training depth is improved, but training time increases
Solution Approach 1:
The patent segments the training process into multiple parallel sessions that can occur simultaneously. By recording different training scenarios and making them available through HMD terminals, multiple trainees can engage with training content at the same time rather than sequentially. This segmentation of training content into independent video modules enables parallel processing of training, significantly reducing total training time while maintaining depth through comprehensive video coverage.
Solution Approach 2:
The patent enables continuous training by allowing multiple trainees to simultaneously view training videos through HMD terminals. The video recording system captures training events continuously, and the playback system can operate continuously for multiple users without interruption. This eliminates the idle time between sequential trainings and maintains continuous useful action throughout the training period.
3Reliability
If dedicated training space is required, then training safety is improved, but adaptability decreases
Solution Approach 1:
The patent creates virtual copies of training environments through video recording, allowing trainees to experience safe training scenarios without being physically present in dedicated training spaces. The recorded videos capture safety-critical events and procedures that can be reviewed safely in any location, eliminating the need for specialized training facilities while maintaining training safety standards.
Solution Approach 2:
The patent transitions training from a physical spatial constraint to a temporal and digital dimension. Instead of requiring a specific physical location for training, the system uses video recording to capture training events and delivers them through HMD terminals. This dimensional shift from physical to digital space allows training to occur anywhere, greatly enhancing adaptability while maintaining safety through controlled video playback.
Data Source
AI summary
The present disclosure relates to a VR video management method and system for enabling simultaneous training of multiple users. The present disclosure comprises steps in which: a manager terminal receives a plurality of VR videos from an operating server; the manager terminal is connected to a plurality of HMD terminals; the manager terminal plays back at least one of the plurality of VR videos received from the operating server; the VR video played back in the manager terminal is synchronized and played back in the plurality of HMD terminals; and the manager terminal generates a time control signal in the VR video according to a preset cycle.


