[论文]日光条件下液晶显示图像反射特性建模及仿真方法

IF 0.5 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

ITE Transactions on Media Technology and Applications Pub Date : 2023-01-01 DOI:10.3169/mta.11.146

Ramazan Ayasli, Chihao Xu, Maxim Schmidt, Maria Rosa Cirillo

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引用次数: 0

摘要

众所周知，LCD上的日光反射会显著降低显示器的视觉质量和可读性。缓解这一问题的方法，如日光图像增强，主要是基于反射与日光强度线性相关的假设。通过广泛的测量发现，反射也取决于像素的灰度值，因此也取决于图像内容[1]。白像的反射光可能超过暗像的两倍。本文将反射建模为(子)像素透射值的函数，并将其分解为三部分，即表面反射的常数部分，LC-cell的线性项和BLU反射的平方项。这个精炼的，关于日光方向的广义模型与测量结果非常吻合。

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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[Paper] Modeling of LCD Reflection Characteristics and Simulation Method of LC-displayed Images Under Daylight Conditions

It is known, that daylight reflection on an LCD significantly degrades the visual quality and readability of a display. Methods to mitigate this problem like daylight image enhancement are mainly based on the assumption that the reflection is linearly dependent of the daylight intensity. It was found out by extensive measurements that the reflection also depends on the gray-value of a pixel and thus image contents [1]. The reflection at a white image may exceed two-times of that at a dark image. In this paper, the reflection is modelled as a function of the transmission value of a (sub)pixel and is decomposed into three parts, namely a constant part for the surface reflection, a linear term for the LC-cell and a square term for the reflection of the BLU. This refined and, regarding the daylight direction, generalized model leads to an excellent agreement with measurements.

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来源期刊

ITE Transactions on Media Technology and Applications ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.70

自引率

0.00%

发文量

期刊介绍：・Multimedia systems and applications ・Multimedia analysis and processing ・Universal services ・Advanced broadcasting media ・Broadcasting network technology ・Contents production ・CG and multimedia representation ・Consumer Electronics ・3D imaging technology ・Human Information ・Image sensing ・Information display ・Multimedia Storage ・Others.