基于近邻传播聚类的电视视频字幕监测方法  

TV video subtitle monitoring method basedon affinity propagation clustering

作　　者：徐向丽[1] 杨建功 李波[1] 张冰涛[3] XU Xiangli;YANG Jiangong;LI Bo;ZHANG Bingtao(Erdos Professional College,Erdos 017200,China;Inner-Mongolia Xibu Natural Gas Co Ltd,Erdos 017200,China;School of Electronic and Information Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China)

机构地区：[1]鄂尔多斯职业学院,内蒙古鄂尔多斯017200 [2]内蒙古西部天然气股份有限公司,内蒙古鄂尔多斯017200 [3]兰州交通大学电子与信息工程学院,甘肃兰州730070

出　　处：《电视技术》2018年第10期121-124,150,共5页Video Engineering

基　　金：国家自然科学基金(61761027);兰州交通大学青年基金(2016004);兰州交通大学教改项目(JGY201841)

摘　　要：视频敏感字幕信息的出现严重影响着电视节目安全播出。针对此问题,本文提出了一种基于近邻传播聚类的视频字幕监测方法。首先分割完整视频至各个独立画面;然后对其分别累积边缘图像,并基于近邻传播聚类算法进行字幕边缘划分以得到边缘子图;进而采用二值化,去燥获得清晰的字幕子图;最后OCR工具完成字幕识别。此外,为了验证本方法的有效,三组带字幕视频节目被用于实验,实验结果表明三组视频的敏感字幕检测率均达到87%以上。The appearance of video sensitive information seriously affects the safe broadcasting of TV programs.To solve this problem,a video subtitle monitoring method based on affinity propagation clustering is proposed in this paper.First,the complete video is divided into each independent image;then the edge image is accumulated respectively,and the edge sub image is divided based on the affinity propagation clustering algorithm.Then the binaryzation and remove noises are used to get a clear sub image.Finally,the OCR tool completes the subtitle recognition.In addition,in order to verify the effectiveness of this method,three groups of video with subtitle are used for experiments.The experimental results show that the detection rate of sensitive subtitles for three group’s video is up to 87%.

关 键 词：安全播出 字幕检测 近邻传播聚类 字幕提取 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]