Stereoscopic AR Display Depth Perception
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Solution Overview
Problem
Existing augmented reality (AR) systems, particularly on wearable devices like Google Glass, lack depth information in virtual overlays, making it difficult to distinguish which AR information corresponds to which real-world object, resulting in a lack of realism.
Innovation Solution
A method and device that utilize two display units and corresponding image acquisition units positioned symmetrically to capture and display 3D images, allowing the user to perceive depth by aligning display information with the same geometric characteristics of real objects, ensuring accurate and realistic AR information tagging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If AR information is displayed on a single two-dimensional image plane, then the device complexity is reduced, but the depth information and realism of the AR overlay are lost
Solution Approach 1:
The patent transitions from a single 2D display plane to a stereoscopic 3D display system using separate display units for each eye. This dimensional change enables depth information to be conveyed by presenting different images to the left and right eyes, resolving the contradiction between simplicity and depth information preservation
Solution Approach 2:
The display system is segmented into separate display units for each eye rather than using a single shared display plane. This segmentation allows independent control of visual information for each eye, enabling stereoscopic depth perception while maintaining manageable system complexity through modular architecture
2Ease of operation
If all AR information is tagged on the same image plane, then the ease of operation is improved, but the reliability of object-information correspondence is reduced
Solution Approach 1:
By moving from a single 2D plane to stereoscopic 3D space, the system creates depth-separated display layers. This allows AR information to be positioned at different depth planes corresponding to their real-world objects, ensuring reliable object-information correspondence while maintaining operational simplicity through automated depth-based placement
Solution Approach 2:
The patent applies different display characteristics to different spatial regions and depth planes. AR information is rendered with local quality adjustments based on its corresponding object's depth, size, and position, ensuring accurate correspondence while allowing flexible information presentation
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 easily recognize and differentiate AR information tags based on object depth, enhancing the realism and clarity of AR information overlay on real-world objects.
Implementation Method 1
a first display unit, which satisfies a predetermined transmittance; a second display unit, which satisfies a predetermined transmittance
Data Source
AI summary
A display device includes a first display unit, a second display unit, and a first image acquisition unit, a second image acquisition unit, an image processing unit, and an image output unit. A display method includes acquiring a first image and a second image by first image acquisition unit and second image acquisition unit respectively, both of the first image and the second image include the target image; determining a display information in accordance with the target image; determining a first display position in the first image and a second display position in the second image in accordance with the target image; displaying the first display image corresponding to the display information at the first display position and the second display image corresponding to the display information at the second display position.