Partially Transparent Display for Eye-Worn Motion Capture
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Solution Overview
Problem
Existing motion-sensing display apparatuses are not suitable for providing a display near the user's eye, are large and non-portable, and lack effective motion capture and image sensing capabilities, leading to poor performance in augmenting natural scenes and capturing user gestures.
Innovation Solution
A motion-sensing display apparatus with a partially transparent screen, image generators, motion capture devices, and processors that execute computer instructions in response to user gestures, allowing for image overlay and capture of natural scenes while enabling portable use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If an opaque backing is used in the display, then the display can provide sufficient image contrast and visibility, but the user cannot see beyond the display or capture motions occurring beyond the screen
Solution Approach 1:
The display screen is designed with different transparency characteristics in different regions. The central portion of the screen maintains higher opacity for optimal image display, while the peripheral portions are made partially transparent to allow viewing of scenes beyond the display and enable motion capture. This local differentiation of transparency properties resolves the contradiction between image quality and motion capture capability.
Solution Approach 2:
Instead of making the entire screen completely transparent or completely opaque, the invention uses a partially transparent screen that allows both image display and limited viewing of beyond-scene content. This partial transparency enables the system to capture motions occurring beyond the display while maintaining sufficient image contrast for user interface elements.
2Adaptability or versatility
If conventional motion sensing technology is used, then motion capture functionality is provided, but the device becomes large and non-portable
Solution Approach 1:
The invention merges the motion capture device with the display apparatus, integrating the camera and image generator into a single unified system. The motion capture camera is positioned to view scenes beyond the display, and the image generator works in conjunction with the display to provide both image rendering and motion sensing capabilities in one compact unit, eliminating the need for separate bulky motion sensing devices.
Solution Approach 2:
The display apparatus is designed to perform multiple functions: displaying user interface images, capturing motion data, and providing viewing of beyond-scene content. By making the display system multi-functional, the invention eliminates the need for separate dedicated motion sensing devices, thereby reducing overall device size and improving portability.
3Adaptability or versatility
If a camera is used to capture scenes beyond the display, then motion capture is enabled, but the display becomes unnatural and unreliable
Solution Approach 1:
The invention introduces an intermediary processing system that captures scenes beyond the display through a camera, processes this visual information, and integrates it with the user interface display. The processed beyond-scene images are displayed through the same partially transparent screen, creating a unified and natural visual experience rather than separate captured and displayed images, thereby improving display reliability and naturalness.
Data Source
AI summary
Motion-sensing display apparatuses supported near a user's eye including partially transparent screens at least partially disposed within the user's field of vision, image generators positioned to display an image on a first side of the screen, motion capture devices positioned near the screen and configured to capture a user gesture occurring beyond the screen in the user's field of vision, and processors in data communication with the image generator and the motion capture device, the processors configured to execute computer executable instructions in response to the user gesture. In some examples, motion-sensing display apparatuses include cameras. In some further examples, image generators display user interfaces on screens.