数字图像处理技术在现代电视新闻报道中的应用  

Application of Digital Image Processing Technology in Modern Television News Reporting

作　　者：杨刻千 曹杨[1] YANG Keqian;CAO Yang(Jilin Normal University,Siping 130000,China)

机构地区：[1]吉林师范大学,吉林四平130000

出　　处：《电视技术》2024年第11期115-117,共3页Video Engineering

摘　　要：随着数字技术的飞速发展,数字图像处理技术在提升新闻报道质量方面起到越来越重要的作用,已成为现代电视新闻报道中不可或缺的一部分。文章先介绍数字图像处理技术的基本概念,随后详细分析该技术在新闻采集、传输和展示等各个环节的具体应用。文章提出一种基于DTMB-A的数字新闻传输系统,采用基于迭代同态滤波器的新闻图像增强方法和基于伽马校正的新闻报道调色技术,确保了现代电视系统中新闻图像的清晰度。With the rapid development of digital technology,digital image processing technology plays an increasingly important role in improving the quality of news reports,and has become an indispensable part of modern television news reports.This paper first introduces the basic concept of digital image processing technology,and then analyzes the specific application of this technology in news gathering,transmission and display in detail.In this paper,a digital news transmission system based on DTMB-A is proposed,which uses the news image enhancement method based on iterative homomorphic filter and the news report color modulation technology based on gamma correction to ensure the clarity of news images in modern television system.

关 键 词：数字图像处理技术 新闻报道 电视技术 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]