Portable VR System Using Wireless Infrared Tracking
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Solution Overview
Problem
Current virtual reality environments are fragmented, requiring systems integration of separate technologies, which is a barrier for content creators and end-users due to the need for dedicated rooms and complex setups, limiting mobility and increasing costs, especially in marketing and sales processes.
Innovation Solution
A portable, turn-key virtual reality product kit that includes wireless tracking devices and motion capture systems, allowing for easy setup and configuration in various locations, enabling immersive visualization experiences without the need for extensive infrastructure, and includes pre-configured software for automatic simulation demonstrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a dedicated virtual reality environment with mounted cameras, lighting, and tracking devices is used, then measurement precision and reliability are improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The system divides the virtual reality environment into separate functional modules: head-mounted display unit, handheld interaction device, and portable tracking cameras. Each module operates independently but communicates through standardized protocols, allowing the system to maintain high tracking precision while reducing overall complexity through modular architecture.
Solution Approach 2:
The tracking cameras serve multiple functions: they track both the head-mounted display and handheld devices, provide spatial orientation data, and enable interaction with virtual objects. This multi-functionality reduces the number of specialized components needed, simplifying the system while maintaining measurement precision.
2Reliability
If a dedicated virtual reality environment with specialized hardware and software is used, then reliability is improved, but ease of operation and adaptability deteriorate
Solution Approach 1:
The system includes pre-configured software packages and pre-calibrated tracking cameras that are ready for immediate use. The head-mounted display and handheld devices come with pre-installed interaction software, eliminating the need for complex setup and calibration procedures while maintaining system reliability through pre-tested configurations.
Solution Approach 2:
The tracking system automatically calibrates itself by detecting the positions and orientations of the head-mounted display and handheld devices. The software automatically configures communication protocols and adjusts tracking parameters based on the detected environment, reducing the need for manual setup while ensuring reliable operation.
3Ease of operation
If a portable virtual reality system with wireless tracking devices is used, then ease of operation and adaptability are improved, but measurement precision deteriorates
Solution Approach 1:
The system replaces wired mechanical tracking connections with wireless optical tracking using infrared cameras and LED markers. This substitution maintains tracking precision by using optical detection rather than physical connections, while significantly improving mobility and ease of operation by eliminating cables and mechanical constraints.
Solution Approach 2:
The wireless tracking system dynamically adjusts its sampling rate and precision levels based on the movement speed and distance of the tracked objects. When objects are stationary or moving slowly, the system uses higher precision tracking intervals, while during rapid movements, it increases sampling frequency to maintain accuracy, thereby preserving measurement precision across varying mobility conditions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables users to create and demonstrate immersive virtual reality experiences at customer sites, improving marketing and sales effectiveness by providing a compact, lightweight system that can be easily assembled and transported, reducing setup time and costs.
Implementation Method 1
a first marker configured to emit a first repetitive pattern of infrared light pulses; a second marker configured to emit a second repetitive pattern of infrared light pulses; and a third marker configured to emit a third repetitive pattern of infrared light pulses
Implementation Method 2
a plurality of motion tracking cameras configured to capture image data and communicate the image data with the computing device
Data Source
AI summary
A portable virtual reality and/or augmented reality system enabling the projection and tracking of a user in a simulated environment is described. A system of motion capture cameras, computing, and tracking devices is provided in a portable package. Each tracking device is configured with one or more emitters which may generate a distinctive, repetitive pattern. The virtual reality and/or augmented reality system once assembled, provides for motion tracking and display of a one or more users in a simulated environment.