Single 2D Image Capture for Comfortable Parallax 3D Viewing
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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 eye fatigue, as viewers struggle to maintain focus and alignment with fixed display distances.
Innovation Solution
A system that captures 2D images using multiple cameras positioned at an interpupillary distance, generates a depth map, creates a 3D infilled mesh, applies parallax, and displays a multidimensional image without the need for 3D glasses, using techniques like lenticular lenses and micro optical lenses to align images based on a key subject convergence point.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional 3D imagery systems are used, then depth perception is provided, but visual discomfort and fatigue occur due to vergence-accommodation conflict
Solution Approach 1:
The patent changes the display parameters by presenting images at different focal distances corresponding to different depth planes. The display system adjusts the focal distance parameter dynamically so that objects at different depths are presented at appropriate focal distances, allowing accommodation to match vergence and eliminating visual discomfort while maintaining depth perception.
Solution Approach 2:
The system dynamically adjusts the focal distance of displayed images based on the depth information of objects. Instead of fixed focal distance, the display adapts in real-time to present images at varying focal distances that correspond to their perceived depth, enabling the vergence-accommodation system to remain coupled and comfortable during viewing.
2Measurement precision
If multiple cameras are positioned at interpupillary distance to capture 2D images, then accurate depth map generation is achieved, but device complexity increases
Solution Approach 1:
The patent uses multiple cameras positioned at interpupillary distance to capture slightly different 2D images, effectively copying the human binocular viewing geometry. This copying of natural eye positioning allows accurate depth map generation through stereo vision principles while using standard camera technology rather than specialized depth sensors.
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 clear and sharp 3D image viewing without specialized glasses, reducing visual discomfort and fatigue by aligning images with the human visual system's natural convergence and accommodation processes.
Implementation Method 1
using techniques like lenticular lenses and micro optical lenses to align images
Implementation Method 2
captures 2D images using multiple cameras positioned at an interpupillary distance
Data Source
AI summary
A system to capture a two dimensional digital source image of a scene or event 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 digital image capture device in communication with the processor, said processor configured to capture a first two dimensional digital source image of the scene, said processor configured to execute an instruction to generate a second two dimensional digital image of the scene from said first two dimensional digital image of the scene via a camera angle rotation of between 1-180 degrees of said first two dimensional digital image of the scene, and a display in communication with the processor, the display configured to display a multidimensional digital image, of an event.