Stereoscopic Display System with Glasses Inclination Detection
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Solution Overview
Problem
Conventional stereoscopic image display systems fail to provide a natural viewing experience due to the inability to detect and adjust for the inclination of glasses, leading to viewer discomfort and the inability to switch seamlessly between 3D and 2D displays without user intervention.
Innovation Solution
A stereoscopic image display system that includes an inclination detection unit, a parallax image generation unit, and a display unit, which detects the inclination of glasses using invisible light and retroreflectors, generates parallax images accordingly, and automatically switches between 3D and 2D displays based on the presence or absence of glasses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the position of glasses is detected without considering inclination, then the system can detect viewer position, but the parallax image does not adjust when glasses inclination changes, causing viewer discomfort
Solution Approach 1:
The system continuously monitors glasses inclination through the inclination detection unit and dynamically adjusts the parallax image generation based on detected inclination changes. This closed-loop feedback mechanism ensures the displayed image always matches the actual viewing angle, maintaining viewer comfort during head movements.
Solution Approach 2:
The system transitions from static position detection to dynamic inclination-aware detection. The inclination detection unit and parallax image generation unit work together to continuously adapt the displayed image according to real-time glasses orientation, making the system responsive to viewer movements.
2Quantity of substance
If both right eye image and left eye image are displayed, then the image display unit can provide complete stereoscopic content, but both images reach both eyes when glasses are removed, causing double image and inability to view as 2D
Solution Approach 1:
The system automatically detects whether glasses are worn through the inclination detection unit and autonomously switches between stereoscopic and non-stereoscopic display modes. This self-service capability eliminates the need for manual user input, seamlessly adapting the display to the viewer's state and preventing double image issues.
3Device complexity
If conventional position detection is used without inclination detection, then the device complexity remains low, but the system cannot recognize head tilting and adjust parallax accordingly
Solution Approach 1:
The system replaces complex mechanical inclination sensors with an optical detection approach. The inclination detection unit uses optical principles to infer glasses orientation from detected position data, achieving inclination measurement without adding mechanical complexity to the detection system.
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
The system provides a more natural stereoscopic image by adjusting the parallax image based on the viewer's head position and automatically switches between 3D and 2D modes without user intervention, enhancing viewer comfort and convenience.
Implementation Method 1
detects the inclination of glasses using invisible light and retroreflectors
Data Source
AI summary
A stereoscopic image display system includes: an image display unit that displays a parallax image composed of a right eye image and a left eye image; glasses having a transmission portion for a right eye transmitting only the right eye image of the parallax image and a transmission portion for a left eye transmitting only the left eye image of the parallax image; an inclination detection unit that detects an inclination of the glasses; a parallax image generation unit that generates the parallax image in accordance with a detection result from the inclination detection unit; and a display unit that displays the parallax image generated by the parallax image generation unit.