Adaptive Enhancement Display of Chromatic Electrowetting Based on Color Conversion

被引:1
作者
Chen, Mingzhen [1 ,2 ]
Lin, Shanling [3 ]
Lin, Jianpu [3 ]
Lin, Zhixian [1 ,2 ,3 ]
Guo, Tailiang [1 ,2 ]
机构
[1] Fuzhou Univ, Sch Phys & Informat Engn, Fuzhou 350108, Peoples R China
[2] Natl & Local United Engn Lab Flat Panel Display Te, Fuzhou 350108, Peoples R China
[3] Fuzhou Univ, Sch Adv Mfg, Quanzhou 362200, Peoples R China
来源
IEEE ACCESS | 2024年 / 12卷
关键词
Electrowetting on dielectric (EWOD); color conversion; image enhancement; image quality optimization; IMAGE-ENHANCEMENT; HISTOGRAM;
D O I
10.1109/ACCESS.2023.3347892
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The charge capture of color inks in chromatic electrowetting electronic paper, the contact angle hysteresis and inconsistent aperture ratio result in a narrower color gamut and reduced contrast of the display screen. To address the issue, we propose an algorithm of the adaptive color conversion and the dynamic enhancement display based on the aperture ratio of the chromatic electrowetting. Firstly, the relationship between the aperture ratio of electrowetting and the increase or decrease of voltage was tested through an experimental platform. Then, combined with the change of the aperture ratio, the reasonable grayscale allocation is made for color space conversion. Furthermore, considering the average grayscales of each color, we design a method of the dynamic contrast enhancement and histogram equalization based on the segmentation of aperture ratios. In addition, in view of the problem of grayscale loss in the reflective display, we propose an adaptive algorithm of domain error diffusion with saturation enhancement to compensate for color loss. The experiments demonstrate that the images processed by our algorithm have shown certain improvements in evaluation indicators compared to images processed by other methods. Most significant of all, it has better visual display effect on chromatic electrowetting electronic paper, displaying more details.
引用
收藏
页码:2389 / 2397
页数:9
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