基于动态聚类的电泳显示颜色量化

IF 3.9 2区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Tingyu Cheng;Xiaoyan Zhao;Gongning Yang;Wei Yuan;Tiesong Zhao
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引用次数: 0

摘要

电泳显示(EPD)是一种模仿传统纸张的反射技术,使其成为电子阅读器,物联网设备和可穿戴设备的热门选择。然而,颜色量化是在EPD上显示自然图像的关键步骤,它通常会导致灰度失真和边缘损失。在本文中,我们提出了一种基于动态聚类的电子纸张颜色量化(DCECQ)方法来解决上述问题。首先,采用动态可调的粒子群算法(PSO)聚类,便于对不同图像内容进行自适应阈值优化;其次,引入基于人类视觉系统(HVS)的模型来量化视觉误差并补偿灰度重影,有效地减少了边缘模糊和颜色失真等伪影。第三,它实现了EPD在现实条件下评估性能的验证平台。实验结果表明,该方法在多个指标上优于现有方法,证明了该方法的有效性和实用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dynamic-Clustering-Based Color Quantization for Electrophoretic Display
Electrophoretic Display (EPD) is a reflective technology that closely mimics traditional paper, making it a popular choice in E-readers, IoT devices, and wearables. However, color quantization, which is a critical step to display natural images on EPD with reduced color scales, usually leads to grayscale distortion and edge loss. In this letter, we propose a Dynamic-Clustering-based E-paper Color Quantization (DCECQ) method to address the above issue. First, it employs a dynamically adjustable Particle Swarm Optimization (PSO) clustering, facilitating adaptive threshold optimization for diverse image content. Second, it introduces a Human Visual System (HVS) based model to quantify visual errors and compensates for grayscale ghosting, effectively reducing artifacts such as edge blurring and color distortion. Third, it implements a validation platform for EPD to assess performance under real-world conditions. Experimental results demonstrate that our approach outperforms existing methods across multiple metrics, which attests to its effectiveness and practical applicability.
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来源期刊
IEEE Signal Processing Letters
IEEE Signal Processing Letters 工程技术-工程:电子与电气
CiteScore
7.40
自引率
12.80%
发文量
339
审稿时长
2.8 months
期刊介绍: The IEEE Signal Processing Letters is a monthly, archival publication designed to provide rapid dissemination of original, cutting-edge ideas and timely, significant contributions in signal, image, speech, language and audio processing. Papers published in the Letters can be presented within one year of their appearance in signal processing conferences such as ICASSP, GlobalSIP and ICIP, and also in several workshop organized by the Signal Processing Society.
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