Multiview Display Crosstalk Compensation via Depth Adjustment
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Solution Overview
Problem
Autostereoscopic 3D display systems face challenges in maintaining image quality due to crosstalk, which degrades the sharpness of 3D images by mixing left-eye and right-eye images when viewed from incorrect angles.
Innovation Solution
A multiview image display apparatus and method that combines a crosstalk inverse compensation scheme with a depth adjustment scheme, using a controller to estimate crosstalk and adjust depth values based on pixel differences, and applying a crosstalk inverse filter to epipolar images to compensate for crosstalk between different viewpoints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If autostereoscopic display is used to watch 3D images without glasses, then convenience for viewer is improved, but crosstalk occurs that degrades image sharpness
Solution Approach 1:
The patent applies preliminary anti-action by performing crosstalk inverse compensation before displaying the 3D image. The system estimates the crosstalk that will occur during viewing and pre-compensates for it by adjusting pixel values in the opposite direction, thereby canceling out the harmful crosstalk effect when the image is viewed without glasses
Solution Approach 2:
The patent changes parameters by adjusting pixel values based on estimated crosstalk. The controller modifies the luminance or color values of pixels in different viewing zones to compensate for the expected crosstalk, dynamically altering image parameters to maintain sharpness while enabling glasses-free viewing
2Manufacturing precision
If depth adjustment is applied to compensate for crosstalk, then image sharpness is improved, but processing complexity increases
Solution Approach 1:
The patent implements feedback by using the estimated crosstalk information to guide the depth adjustment process. The system continuously estimates crosstalk based on viewing conditions and uses this feedback to adjust pixel values and depth parameters, creating a closed-loop control system that optimizes image sharpness while managing processing complexity through intelligent decision-making
Data Source
AI summary
A multiview image display apparatus is provided. The multiview image display apparatus includes a depth adjuster configured to adjust a depth of an input image, a renderer configured to perform rendering on multiview images based on the depth-adjusted image, a crosstalk compensator configured to perform crosstalk inverse compensation on the rendered multiview images, a display configured to arrange the crosstalk inverse compensated multiview images in a preset arrangement pattern and display the crosstalk inverse compensated multiview images arranged in the preset arrangement pattern, and a controller configured to estimate crosstalk, and control the depth adjuster to adjust a depth value of a region that satisfies a preset condition to a preset depth value based on the estimated crosstalk.