AR Display Coupling Section Motion Detection
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Solution Overview
Problem
Existing display devices, such as HMDs, face challenges in accurately detecting the movement of image pickup sections, which affects the alignment and positioning of displayed images, leading to inaccuracies in visual recognition and augmented reality applications.
Innovation Solution
A display device with a coupling section featuring movable sections and detecting sensors to accurately track the motion and positional relationship between the image pickup and display sections, utilizing inertial sensors for precise displacement detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If image analysis is used to detect movement of the image pickup section, then the system remains simple, but the detection accuracy is insufficient
Solution Approach 1:
The patent introduces an intermediary mechanical coupling section with movable sections that physically connects the image pickup section to the display section. This coupling section acts as a mediator that transmits motion from the image pickup section to the display section, enabling accurate detection of relative movement through dedicated sensors rather than relying solely on image analysis.
Solution Approach 2:
The patent replaces the purely optical/image-based detection method with a mechanical detection system. By incorporating a coupling section with movable sections and detecting sections (sensors) that directly measure physical displacement, the system substitutes mechanical measurement for image analysis, achieving higher detection accuracy.
2Adaptability or versatility
If the image pickup section is made movable to change visual point, then the versatility is improved, but the alignment accuracy between image and display deteriorates
Solution Approach 1:
The patent makes the coupling section dynamic by incorporating movable sections that can change position. This allows the system to adapt to different visual points and viewing conditions while maintaining accurate alignment through real-time detection and compensation of the movable section's position changes.
Solution Approach 2:
The patent implements a feedback mechanism where detecting sections continuously monitor the position of movable sections, and the control section uses this information to adjust the display accordingly. This closed-loop feedback ensures that alignment accuracy is maintained even as the system adapts to different visual points through movable section adjustments.
Data Source
AI summary
A virtual image display device configuring a display device includes a display section configured to display an image while enabling visual recognition of an outside scene. The virtual image display device includes an image pickup section configured to pickup an image in an image pickup range that overlaps a range visually recognized through the display section. The virtual image display device includes a coupling section including at least one movable section and configured to couple the image pickup section to the display section. The display device is capable of acquiring a motion amount in the movable section with a control section.