Sub-pixel Rendering for High-Resolution Display Mapping
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Solution Overview
Problem
Conventional RGB pixel arrangements face challenges in achieving high-resolution display effects due to limitations in fabricating smaller sub-pixels, resulting in low-resolution display panels, necessitating a sub-pixel rendering method to enhance display performance.
Innovation Solution
A sub-pixel rendering method that involves acquiring a second pixel array with grayscale values, mapping it onto a first pixel array, determining central positions and distances of matching sub-pixels, calculating ratios, and adjusting grayscale values of sub-pixels in the first pixel array based on these ratios to achieve a high-resolution display effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a conventional RGB pixel arrangement is used with smaller sub-pixels to achieve higher resolution, then the display resolution can be improved, but the manufacturing capability cannot fabricate sufficiently small sub-pixels
Solution Approach 1:
The invention segments the pixel array into two different pixel arrangements (first pixel array and second pixel array) with different sub-pixel configurations. By dividing the display into regions with different pixel arrangements and using sub-pixel rendering to map between them, the system achieves high-resolution display effects without requiring all sub-pixels to be fabricated at the smallest size, thus resolving the manufacturing limitation.
2Measurement precision
If a new pixel arrangement is adopted to achieve high-resolution display effect, then the display quality can be improved, but a sub-pixel rendering method is required which increases system complexity
Solution Approach 1:
The invention creates a virtual copy of the pixel array by mapping the second pixel array onto the first pixel array through sub-pixel rendering. This allows the display system to present high-resolution content on a lower-resolution physical panel by computationally generating the additional pixel information, thereby achieving high display quality without requiring complex hardware modifications.
3Measurement precision
If sub-pixel rendering is applied to calculate and process data between different pixel arrangements, then the display effect can be enhanced, but the processing complexity and computational resources increase
Solution Approach 1:
The invention applies different processing strategies to different regions of the pixel array. By identifying and processing only the necessary sub-pixel mappings in specific regions rather than uniformly processing the entire array, the computational complexity is reduced while maintaining high display quality in the critical viewing areas.
Data Source
AI summary
A sub-pixel rendering method, comprising the following steps: acquiring a second pixel array corresponding to an original image, each sub-pixel of the second pixel array corresponding to a greyscale value; mapping the second pixel array of the original image onto a first pixel array; respectively finding the central positions of the sub-pixels of the first pixel array and of the second pixel array, determining sub-pixels of the second pixel array positioned in every sub-pixel preset region in the first pixel array and of the same colour as said sub-pixels in the first pixel array, and measuring the distance of same from the central position of said sub-pixels of the first pixel array; on the basis of the distance, calculating the proportional coefficient occupied by the sub-pixels of the second pixel array in the sub-pixels of the first pixel array, and on the basis of the proportional coefficient and the greyscale value of the sub-pixels of the second pixel array, calculating the greyscale value corresponding to each sub-pixel of the first pixel array. The preset sub-pixel rendering method is simple and easy to implement; few hardware resources are required, and software operation is rapid.