3D Display Processor Managing Pseudoscopic Strain
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Solution Overview
Problem
Existing multi-view display devices suffer from insufficient quality of views provided to the viewer, leading to visual strain due to pseudoscopic perception issues when the viewer is positioned at certain angles, causing headaches and discomfort.
Innovation Solution
A display processor that processes 3D image data to generate a series of views, including a first portion for stereoscopic viewing and a second portion for pseudoscopic viewing, using interpolation and extrapolation techniques to maintain sharpness and reduce computational complexity, while introducing a pseudoscopic viewing region to minimize extra-pseudoscopic viewing positions, thereby distributing the disparity across multiple views.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple views are provided in a series of viewing cones, then stereoscopic perception is enabled, but pseudoscopic perception occurs at certain positions causing visual strain
Solution Approach 1:
The series of views is segmented into multiple viewing cones, where each viewing cone contains a specific sequence of views. By carefully controlling the angular distribution of views within each cone and the transition between cones, the patent ensures that pseudoscopic positions are minimized or eliminated while maintaining stereoscopic perception across the display.
Solution Approach 2:
The patent applies parameter changes by varying the angular distribution of views across different positions in the series. Specifically, the angular distribution is adjusted so that views transition from increasing viewing angles to decreasing viewing angles at appropriate points, preventing the formation of extra-pseudoscopic positions while maintaining image quality.
2Device complexity
If interpolation and extrapolation are used to generate views, then computational complexity is reduced, but image sharpness may be compromised
Solution Approach 1:
The patent applies local quality by using different processing approaches for different regions of the view series. Original images are used at key positions where sharpness is critical, while interpolation is applied in regions where it provides sufficient quality with lower computational cost. This selective approach maintains overall image quality while reducing total computational complexity.
Solution Approach 2:
The patent uses copying by repeating certain original images at specific positions in the view series, particularly where interpolation would significantly degrade quality. This allows the system to avoid complex interpolation calculations at critical positions while maintaining image sharpness, thereby reducing computational complexity without sacrificing essential image quality.
Data Source
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AI summary
Display processor (120) for obtaining original images from 3D image data, deriving derived images from the original images, and generating a first series of images comprising the derived images; and (i) obtaining further original images from the 3D image data and generating a second series of images comprising the further original images, or (ii) obtaining further original images from the 3D image data, deriving further derived images from the further original images, and generating the second series of images comprising the further derived images and at least one of the further original images, with a number of the first mentioned derived images being larger than the number of the further derived images relative to a total number of images in each respective series of images, for providing the first series of images to a 3D display (140) for providing stereoscopic viewing (110) and providing the second series of images to the 3D display for providing pseudoscopic viewing (112).