Pixel Shift Image Processing Device Correcting Blurring
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional image projection systems experience image quality degradation during pixel shift display due to specific patterns like oblique lines and isolated points, leading to blurring issues.
Innovation Solution
An image processing device comprising a resolution reducer, detector, and corrector that generates low-resolution images, detects specific patterns prone to blurring, and performs correction processing to reduce image quality degradation, specifically through emphasis processing on candidate pixels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pixel shift display is performed to increase image display resolution, then image display resolution is improved, but image quality degradation occurs due to blurring in specific patterns
Solution Approach 1:
The patent applies preliminary action by detecting specific patterns (oblique lines, isolated points) in the input image before pixel shift display, and performing correction processing on those patterns in advance. This allows the system to prepare and correct problematic areas before they cause blurring during the actual pixel shift display, thus maintaining image quality while achieving high resolution display
Solution Approach 2:
The patent implements local quality by applying different processing strategies to different regions of the image. Specifically, it identifies local areas containing specific patterns (oblique lines, isolated points) and applies correction processing only to those regions, while leaving other areas unchanged. This selective approach maintains high resolution display while preventing blurring only where needed
2Adaptability or versatility
If resolution reduction is performed to generate low resolution images for pixel shift display, then pixel shift display capability is enabled, but image quality degradation occurs in specific patterns
Solution Approach 1:
The system performs resolution reduction to generate low resolution images suitable for pixel shift display, then applies correction processing in advance to specific patterns detected in the input image. This preliminary correction ensures that when the low resolution images are displayed with pixel shifting, the specific patterns (oblique lines, isolated points) will not appear blurred, thus maintaining both display capability and image quality
Solution Approach 2:
The patent applies local quality by selectively correcting only the specific patterns (oblique lines, isolated points) in the low resolution images while maintaining the overall resolution reduction necessary for pixel shift display. This allows the system to enable pixel shift display capability through resolution reduction while preserving image quality in critical regions
Data Source
AI summary
An image processing device includes a resolution reducer, a detector, and a corrector. The resolution reducer generates, from an input image, low resolution images for pixel shift display being lower in resolution than the input image. The detector detects portions of the low resolution images corresponding to a specific pattern in which image quality degradation may occur. The corrector performs specific correction processing to reduce the image quality degradation on the portions of the low resolution images corresponding to the specific pattern.