Ghostbuster: A Software Approach for Reducing Ghosting Effect on Electrophoretic Displays

IF 2.7 3区计算机科学 Q2 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems Pub Date : 2024-11-06 DOI:10.1109/TCAD.2024.3446711

Tao Hu;Menglong Cui;Mingsong Lv;Tao Yang;Yiyang Zhou;Qingxu Deng;Chun Jason Xue;Nan Guan

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引用次数: 0

Abstract

Electrophoretic displays (EPDs), also known as e-paper, offer a paper-like visual experience by reflecting ambient light, making them distinct from traditional LCD or LED displays. They are favored for their eye comfort, energy efficiency, and material flexibility, which make them appealing for a wide range of embedded devices, including eReaders, smartphones, tablets, and wearables. However, EPDs face a significant challenge: the necessity for a fast refresh rate (to maintain an acceptable display performance) introduces a pronounced ghosting effect. This effect results in noticeable color discrepancies between the displayed and source images, harming the user experience and hindering EPDs’ broader application in devices requiring dynamic content display. This article proposes a software-based solution to address the ghosting issue in EPDs. Our approach involves developing analytical models to predict the occurrence of ghosting effects and adjusting the source images to counteract the anticipated color deviations, which can reduce the perceivable ghosts on the display. Experimental evaluation conducted on real-world EPDs validates the effectiveness of our proposed approach in reducing the ghosting effect.

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幽灵克星减少电泳显示屏鬼影效应的软件方法

电泳显示器（EPD）又称电子纸，通过反射环境光提供类似纸张的视觉体验，使其有别于传统的 LCD 或 LED 显示器。它们因舒适的用眼、节能和材料的灵活性而备受青睐，这使它们对包括电子阅读器、智能手机、平板电脑和可穿戴设备在内的各种嵌入式设备具有吸引力。然而，EPD 面临着一个重大挑战：由于必须采用快速刷新率（以保持可接受的显示性能），因此会产生明显的重影效应。这种效应会导致显示图像与源图像之间出现明显的色彩差异，损害用户体验，阻碍 EPD 在需要动态内容显示的设备中的广泛应用。本文提出了一种基于软件的解决方案来解决 EPD 中的重影问题。我们的方法包括开发分析模型来预测重影效应的发生，并调整源图像以抵消预期的色彩偏差，从而减少显示屏上可感知的重影。在现实世界的环保型显示器上进行的实验评估验证了我们提出的方法在减少重影效应方面的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems 工程技术-工程：电子与电气

CiteScore

5.60

自引率

13.80%

发文量

500

审稿时长

7 months

期刊介绍： The purpose of this Transactions is to publish papers of interest to individuals in the area of computer-aided design of integrated circuits and systems composed of analog, digital, mixed-signal, optical, or microwave components. The aids include methods, models, algorithms, and man-machine interfaces for system-level, physical and logical design including: planning, synthesis, partitioning, modeling, simulation, layout, verification, testing, hardware-software co-design and documentation of integrated circuit and system designs of all complexities. Design tools and techniques for evaluating and designing integrated circuits and systems for metrics such as performance, power, reliability, testability, and security are a focus.