车载交互系统TFT-LCD显示优化算法设计

摘要

车载交互系统广泛使用TFT-LCD屏幕,其主要用于显示导航地图、车辆状态信息等.论文简介了TFT-LCD屏幕工作原理,分析其显示缺陷的硬件、软件成因.论文提出了一种显示优化算法,并详细介绍了优化算法的离散余弦变换、小波域变换、字符二维度划分等环节的工作流程.理论仿真结果表明,优化算法饱和度、对比度指标更优;工程实测结果表明,优化算法能够得到更好的视觉体验.%TFF-LCD screen is widely used in vehicle interactive system,which is mainly used to display navigation maps,vehicle status information and so on.This paper introduced the working principle of TFT-LCD screen and the causes of its hardware,and software display defect has be analyzed.A display optimization algorithm is proposed in this paper.The work flow of discrete cosine transform,wavelet domain transformation and two-dimensional character division of the optimization algorithm are introduced in detail.Theoretical simulation results show that the optimization algorithm has better saturation and contrast index,and the experimental results show that the optimization algorithm is better enough to achieve a better visual experience.