Multi-Camera 2D Capture Layout for Vergence-Aligned 3D Display
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Solution Overview
Problem
Conventional 3D imagery systems cause visual discomfort and fatigue due to the decoupling of vergence and accommodation processes, leading to perceptual depth distortions and blurred images, as they force viewers to adjust vergence and accommodation separately.
Innovation Solution
A 2D image capture system with multiple digital image capture devices positioned linearly within the interpupillary distance, capturing and processing 2D images to generate multi-dimensional images that align with the human visual system's convergence and focus points, allowing for clear and sharp image display without specialized glasses or headsets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional stereoscopic displays are used to provide 3D imagery, then depth perception is enhanced through binocular disparity, but the vergence-accommodation conflict causes visual discomfort and fatigue
Solution Approach 1:
The patent changes the vergence parameter by rendering images at the correct vergence distance that matches the display distance, eliminating the conflict between vergence and accommodation. This is achieved through computational rendering that adjusts the disparity of features based on their depth, allowing the eyes to converge at the same distance they focus, thereby removing visual discomfort while preserving depth perception.
2Measurement precision
If binocular disparity is increased to improve depth information, then depth perception precision is enhanced, but image fusion becomes more difficult and visual fatigue increases
Solution Approach 1:
The patent dynamically adjusts the binocular disparity parameter based on the depth of features in the scene. By rendering features with appropriate disparity relative to their depth and the viewer's vergence distance, the system maintains accurate depth information while keeping disparity within fusion limits, preventing visual fatigue.
3Stability of the object's composition
If fixed accommodation distance is maintained at display distance, then focus stability is improved, but depth perception accuracy deteriorates due to decoupled vergence-accommodation
Solution Approach 1:
The patent changes the vergence parameter to match the accommodation distance by rendering images at the correct vergence distance. This allows the natural vergence-accommodation coupling to function properly, where both processes occur at the same distance, maintaining focus stability while improving depth perception accuracy.
Data Source
AI summary
A system to capture a plurality of two dimensional digital source images of a scene by a user, including a smart device having a memory device for storing an instruction, a processor in communication with the memory and configured to execute the instruction, a plurality of digital image capture devices in communication with the processor and each image capture device configured to capture a digital image of the scene, the plurality of digital image capture devices positioned linearly in series within approximately an interpupillary distance, wherein a first digital image capture devices is centered proximate a first end of the interpupillary distance, a second digital image capture devices is centered on a second end of the interpupillary distance, and any remaining the plurality of digital image capture devices are evenly spaced therebetween, and a display in communication with the processor, the display configured to display a multidimensional digital image.