Virtual-real superposition accuracy test method and system and storage medium

By using a dual-camera system in conjunction with a robotic arm, the accuracy of virtual-real superposition of head-mounted display devices under different test poses was automatically tested, solving the problems of low testing efficiency and poor accuracy in existing technologies, and improving the accuracy and efficiency of testing.

CN120909861BActive Publication Date: 2026-01-20GOERTEK INC
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Patent Information

Application Number
CN202511403754.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-01-20
Estimated Expiration
2045-09-29

AI Technical Summary

Technical Problem

Existing methods for testing the accuracy of virtual-real overlay are inefficient and inaccurate in head-mounted display devices, failing to accurately reflect errors in real-world usage environments. Furthermore, manual subjective evaluation is inefficient and lacks repeatability.

Method used

A dual-camera system, in conjunction with a robotic arm, is used to acquire images of the head-mounted display device and the calibration board under different test poses. The accuracy of the virtual-real superposition is automatically calculated, and the system is then used in conjunction with the robotic arm and processor for systematic testing.

Benefits of technology

It improves the accuracy and efficiency of virtual-real overlay precision testing, accurately reflects errors in real-world usage environments, and avoids the shortcomings of unit testing and manual evaluation.

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Abstract

The application discloses a kind of virtual-real superposition precision test method, system and storage medium, it is related to wearable technology field.The method comprises the following steps: controlling the head-mounted display device to be measured to be in different test poses in turn;Get the first image pair obtained by the image of the display picture and the calibration plate of the double-camera acquisition head-mounted display device to be measured in test pose, according to the first space position of the real mark in the virtual-real pair in the first image in the camera coordinate system and the reference virtual-real relative pose corresponding to the virtual-real pair, determine the reference space position of the virtual mark in the virtual-real pair in the camera coordinate system, according to the second space position and reference space position of the virtual mark in the virtual-real pair in the camera coordinate system, determine the virtual-real superposition precision test result corresponding to the camera of the head-mounted display device to be measured in test pose;According to the virtual-real superposition precision test result of the double-camera of the head-mounted display device to be measured in different test poses, determine the virtual-real superposition precision test result of the head-mounted display device to be measured.
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