Configurable Barrier Grid for Autostereoscopic 3D Displays
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Solution Overview
Problem
Conventional stereoscopic display technologies suffer from viewer experience issues such as motion sickness and eyestrain due to their reliance on binocular vision alone, failing to incorporate other depth perception cues like focal distance, occlusion, and motion parallax, leading to suboptimal 3D viewing experiences.
Innovation Solution
The implementation of a dynamically configurable barrier grid in autostereoscopic display systems, which includes alternating light-transmitting and light-blocking portions, allows for adjustable grid characteristics to enhance depth perception by integrating multiple visual cues, enabling 3D and 4D image viewing without the need for special eyewear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional stereoscopic display technologies are used, then binocular vision is provided for 3D display, but motion sickness and eyestrain occur due to over-reliance on binocular vision alone
Solution Approach 1:
The patent changes the parameters of depth perception by introducing multiple cues beyond binocular vision, including focal distance, occlusion, and motion parallax. The system dynamically adjusts display parameters to present different depth information at different focal distances, allowing the viewer's brain to integrate multiple cues and reduce reliance on any single cue, thereby reducing motion sickness and eyestrain.
Solution Approach 2:
The patent combines multiple depth perception cues into a composite display system. By integrating binocular vision with additional cues such as focal distance information, occlusion relationships, and motion parallax effects, the system creates a richer, more natural depth perception experience that reduces the harmful effects of over-reliance on any single cue.
2Reliability
If multiple depth perception cues are integrated into the display system, then viewer experience is improved, but system complexity increases
Solution Approach 1:
The patent implements a universal display system that can present multiple depth perception cues simultaneously through a single integrated platform. The display system is designed to handle various types of depth information (binocular vision, focal distance, occlusion, motion parallax) using the same hardware and processing architecture, avoiding the need for separate systems for each cue and thereby managing complexity while improving depth perception accuracy.
Solution Approach 2:
The system dynamically adjusts which depth cues are emphasized based on the content being displayed and the viewer's preferences. By making the depth perception mechanism adaptive and flexible, the system can optimize performance for different scenarios without requiring complex fixed configurations for each possible viewing condition.
3Ease of operation
If conventional stereoscopic technologies are used, then 3D display is achieved, but viewer experience is suboptimal due to lack of natural depth perception cues
Solution Approach 1:
The patent uses computational methods to synthesize and replicate natural depth perception cues that occur in real-world viewing. By copying and reconstructing cues such as focal distance, occlusion, and motion parallax from 2D images, the system creates a more authentic 3D experience that feels more natural to the viewer, improving both comfort and depth perception quality.
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
This solution improves viewer experience by providing a more natural and comfortable 3D viewing experience by incorporating various depth perception cues, reducing motion sickness and eyestrain, while maintaining system simplicity and cost-effectiveness.
Implementation Method 1
The barrier grid is configurable to include alternating light-transmitting and light-blocking portions
Data Source
AI summary
Exemplary embodiments provide devices, systems and methods that enable viewing of three-dimensional images on an autostereoscopic display using a barrier grid of dynamically configurable grid characteristics. The barrier grid is configurable to include alternating light-transmitting and light-blocking portions that may be characterized by and configured using a set of one or more grid indicia. The cooperative display of an image on an image display device and the dynamically configurable barrier grid enables autostereoscopic 3D and 4D viewing of images.