Dynamic Parallax Barrier Control for Multi-Viewer 3D Displays
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Solution Overview
Problem
Existing parallax barrier technologies struggle to dynamically adjust to varying viewer positions in non-defined seating environments, such as homes or galleries, limiting the effective viewing angle for 3D image generation without the need for glasses.
Innovation Solution
Implementing a skeletal tracking system to determine viewer positions and a controller to adjust parallax barriers based on viewing angles, using a combination of lidar technology and machine learning to predict viewer movement and optimize 3D image display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed parallax barrier configuration is used, then the device complexity is reduced, but the adaptability to different viewer positions deteriorates
Solution Approach 1:
The patent implements dynamic control of parallax barrier configuration by tracking viewer positions and adjusting barrier parameters in real-time. The system transitions from a static barrier to a dynamic one that adapts its slit patterns and positions based on detected viewer locations, directly resolving the contradiction between adaptability and device complexity through controlled dynamism.
Solution Approach 2:
The system employs feedback mechanisms by continuously monitoring viewer positions through tracking systems and using this information to adjust parallax barrier configurations. This closed-loop control enables the barrier to respond to viewer movements, maintaining optimal 3D display conditions while managing system complexity through intelligent feedback-based adaptation.
2Adaptability or versatility
If the parallax barrier is adjusted for multiple viewer positions, then the adaptability improves, but the speed of response deteriorates
Solution Approach 1:
The system performs preliminary actions by pre-calculating and preparing multiple parallax barrier configurations corresponding to different viewer positions. When a viewer is detected, the system can quickly switch to the pre-prepared configuration, avoiding complex real-time calculations and thus maintaining both wide adaptability and fast response speed.
Solution Approach 2:
The dynamic adjustment mechanism allows the system to optimize response speed by selectively adjusting only the necessary barrier parameters based on detected viewer positions, rather than reconfiguring the entire barrier system. This selective dynamic adjustment maintains adaptability while improving response speed.
3Adaptability or versatility
If skeletal tracking and machine learning are implemented, then the adaptability to viewer movements improves, but the device complexity increases
Solution Approach 1:
The patent introduces skeletal tracking systems and machine learning algorithms as intermediary components that bridge viewer movements and parallax barrier adjustments. These intermediaries process complex tracking and prediction tasks, allowing the core display system to remain relatively simple while achieving high adaptability through intelligent intermediate processing layers.
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 dynamic and effective 3D image generation across a wider range of viewer positions, improving the 3D viewing experience by adjusting parallax barriers in real-time to match viewer movements and environments.
Implementation Method 1
performing skeletal tracking, using a skeletal tracking system, to determine a position of each viewer
Implementation Method 2
The parallax barrier includes a layer of material with a series of slits that allow each eye to see a different set of pixels, thereby creating a sense of depth
Data Source
AI summary
A system and method to dynamically control a configuration of parallax barriers includes performing skeletal tracking, using a skeletal tracking system, to determine a position of each viewer of content displayed by an image source. One of the parallax barriers among the parallax barriers is determined as being most closely associated with a viewing angle of each viewer, and the one of the parallax barriers is adjusted as needed to display the content as a three-dimensional image to one or more of the viewers with the viewing angle that is the most closely associated.