Multiview Display Pixel Mixing for 3D View Transitions
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Solution Overview
Problem
Conventional autostereoscopic 3D display systems face challenges in providing a clear 3D image due to discontinuous view transitions, as they often equate the number of optical views with the number of received image views, limiting the quality of the multiview image.
Innovation Solution
A multiview image display device and method that generate a multiview image using more received image views than optical views, employing a controller to calculate mixed pixel values by mapping pixel values from different viewpoints and applying weights, utilizing a display panel with a visual field separator to provide distinct viewpoints, and applying filters like bilinear interpolation for improved image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the number of optical views is equated with the number of received image views in a conventional autostereoscopic system, then the system structure is simplified, but the image quality deteriorates due to discontinuous view transitions
Solution Approach 1:
The patent segments the image processing into multiple rendering stages, where each rendered view is processed separately through pixel value mixing and mapping operations. This segmentation allows for higher image quality by treating each view independently while maintaining overall system functionality.
Solution Approach 2:
The patent introduces an additional processing dimension by generating more rendered views than optical views. Instead of directly mapping received views to optical views, it creates intermediate rendered views that are then combined through pixel value mixing, effectively adding a processing layer that improves image quality without complicating the physical device structure.
2Stability of the object's composition
If more rendered views are generated than optical views provided, then view transition smoothness is improved, but the processing complexity increases
Solution Approach 1:
The patent performs preliminary rendering of multiple views before the final display stage. By pre-calculating and storing pixel values for multiple rendered views, the system prepares smooth transition data in advance, reducing the computational burden during real-time display while ensuring view transition smoothness.
Solution Approach 2:
The patent introduces rendered views as intermediary elements between received image views and optical views. These intermediary rendered views serve as a buffer that smooths transitions by providing additional intermediate states, thereby improving view transition smoothness without directly increasing the complexity of the optical system.
3Manufacturing precision
If pixel values from multiple viewpoints are mixed and mapped, then angular aliasing is reduced, but the computational load increases
Solution Approach 1:
The patent applies local quality by mixing pixel values only in specific regions where angular aliasing occurs, rather than processing the entire image uniformly. By identifying and treating problematic areas locally through selective pixel value mixing and mapping, the system reduces angular aliasing while minimizing overall computational load.
Solution Approach 2:
The patent applies partial action by selectively processing only the necessary pixel values required for aliasing reduction. Instead of processing all pixel values from all rendered views, it identifies and mixes only those pixel values that contribute to angular aliasing, thereby achieving the desired effect with reduced computational effort.
Data Source
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AI summary
A multiview image display device is disclosed. The multiview image display device comprises: an image input unit for receiving an image; a rendering unit for rendering a plurality of views of different visual views on the basis of the depth of the inputted image; a display unit for displaying a multiview image generated on the basis of a pixel value constituting the plurality of views; and a control unit for generating the multiview image by mapping, to at least one target pixel area, a mixed pixel value obtained based on the pixel value of a specific visual view and the pixel value of a visual view adjacent to the specific visual view among the plurality of views.