有线电视前端多画面监测报警系统的设计与实现
摘要
如今各级电视台的广播电视节目多达上百套,广播电视已经深入到社会的各个角落。为保证电视节目在播出过程中不被非法信号插播或干扰,不出现断播等情况,广电部门需要及时的对电视信号进行实时监测。经过长时间的努力,我们将多种新技术与广播电视技术相结合,由此设计出这样一套有线电视前端多画面监测报警系统,以协助广播电视监测人员更好的防止播出故障及非法信号的入侵。
本文首先综述了电视信号自动监测技术的发展历程,对国内外现状以及发展趋势进行了介绍,给出了本监测系统的主要研究内容。其次,对系统的总体方案进行设计,并描述了各个子系统的功能。然后,对系统的关键技术包括电视节目中常见的静帧黑场故障的诊断技术、数字图像匹配技术进行了分析,还对监测系统中分屏显示的新技术要点做出了详细探讨,并给出实际的技术解决方案。最后展示了系统的进行结果,并指出系统存在的不足及下一步的研究方向。
本系统的软件开发是基于海康威视DS-40XXHC视音频压缩卡在windows平台上和vc++6.0环境下进行的设计开发。系统主要是针对模拟电视信号进行监测,研究有线电视多画面监测报警系统的设计与实现,为电视台的多路模拟电视节目提供多画面显示、实时监测、报警等问题的解决方案。本系统在实现对电视信号内容及质量的监测的同时,还具有多路信号多画面同屏显示、语音报警、硬盘录像等辅助功能。系统采用数字图像分块匹配技术监测视频图像的内容,对电视台标的异常情况进行报警。在实现多画面同屏显示时,系统提出了多画面等比例分屏算法,达到分屏的“自动”和“手动”相结合,提高了画面的可扩展性和合理性。在实现硬盘录像的时,系统可以实现提前录像的功能。系统在实际的运行环境上运行后,结果表明系统达到实用要求。
There are more than hundreds channels in various different levels, which cover across China. For preventing the interruptions by the unapproved broadcasting program, the Broadcasting and Television administration must supervise the signals on time. After the efforts in a long time, we combined the various latest skills and the broadcasting and television skills based on which we design an early supervising system for multi-frames in cable TV which is helpful to the supervisors preventing the defaults and intruding by the unapproved broadcasting program.
This paper begins with an introduction to the development of the automatic supervising the television signal and the situation within China and the trend in the world. Following that it is discussing the general idea for the designing and the functions in the sub-systems. Then analyzing the critical skills including how to deal with the troubles such like stagnate screen, silence frame and how to deal with them, also probing the latest skills for the displaying in separated screens. As a conclusion showing the system's proceeding.
This development of the software is based on the VF (model Haikangweishi DS-40XXHC) in the Windows desktop with vc++6.0. The system mainly focuses on supervising the analog television signal and probing the supervision and alarm for cable TV in multi-frame, its design and applying, and providing the display in multi-frame with analog signal, simultaneous supervision and alarm. When supervising the content and the quality of the showing program, the system also provides many supporting function such like multi-signals displaying in the same screen, video record in the disk and audio alarm. The system supervises the video frequency with the division and match of the digital pictures and send the alarm for the unusual television station's icon. When displaying the multi-frame in the same screen, the system provides the calculating for the division of the screen with constant ratio in the multi-frame, so the division of the screen can be auto or manual and the frame can be expanded much more and reasonably. The system provide with the early video recording when the disk video recording available. When applying this system in the practical program it proved that it is successful.
本文首先综述了电视信号自动监测技术的发展历程,对国内外现状以及发展趋势进行了介绍,给出了本监测系统的主要研究内容。其次,对系统的总体方案进行设计,并描述了各个子系统的功能。然后,对系统的关键技术包括电视节目中常见的静帧黑场故障的诊断技术、数字图像匹配技术进行了分析,还对监测系统中分屏显示的新技术要点做出了详细探讨,并给出实际的技术解决方案。最后展示了系统的进行结果,并指出系统存在的不足及下一步的研究方向。
本系统的软件开发是基于海康威视DS-40XXHC视音频压缩卡在windows平台上和vc++6.0环境下进行的设计开发。系统主要是针对模拟电视信号进行监测,研究有线电视多画面监测报警系统的设计与实现,为电视台的多路模拟电视节目提供多画面显示、实时监测、报警等问题的解决方案。本系统在实现对电视信号内容及质量的监测的同时,还具有多路信号多画面同屏显示、语音报警、硬盘录像等辅助功能。系统采用数字图像分块匹配技术监测视频图像的内容,对电视台标的异常情况进行报警。在实现多画面同屏显示时,系统提出了多画面等比例分屏算法,达到分屏的“自动”和“手动”相结合,提高了画面的可扩展性和合理性。在实现硬盘录像的时,系统可以实现提前录像的功能。系统在实际的运行环境上运行后,结果表明系统达到实用要求。
There are more than hundreds channels in various different levels, which cover across China. For preventing the interruptions by the unapproved broadcasting program, the Broadcasting and Television administration must supervise the signals on time. After the efforts in a long time, we combined the various latest skills and the broadcasting and television skills based on which we design an early supervising system for multi-frames in cable TV which is helpful to the supervisors preventing the defaults and intruding by the unapproved broadcasting program.
This paper begins with an introduction to the development of the automatic supervising the television signal and the situation within China and the trend in the world. Following that it is discussing the general idea for the designing and the functions in the sub-systems. Then analyzing the critical skills including how to deal with the troubles such like stagnate screen, silence frame and how to deal with them, also probing the latest skills for the displaying in separated screens. As a conclusion showing the system's proceeding.
This development of the software is based on the VF (model Haikangweishi DS-40XXHC) in the Windows desktop with vc++6.0. The system mainly focuses on supervising the analog television signal and probing the supervision and alarm for cable TV in multi-frame, its design and applying, and providing the display in multi-frame with analog signal, simultaneous supervision and alarm. When supervising the content and the quality of the showing program, the system also provides many supporting function such like multi-signals displaying in the same screen, video record in the disk and audio alarm. The system supervises the video frequency with the division and match of the digital pictures and send the alarm for the unusual television station's icon. When displaying the multi-frame in the same screen, the system provides the calculating for the division of the screen with constant ratio in the multi-frame, so the division of the screen can be auto or manual and the frame can be expanded much more and reasonably. The system provide with the early video recording when the disk video recording available. When applying this system in the practical program it proved that it is successful.
引文
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[38]李永忠,王玲,周晓雄.湖南电广网络市州数字电视平台数据广’播系统的设计与实现.有线电视技术,2005(22)：77-82
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[2]冀友余.广播电视监测系统体系架构.中国有线电视,2010.10：1213
[3]吴春龙.有线数字电视综合监测系统设计.广播与电视技术,2011.2：29
[4]郭军.有线电视视频图像故障监测系统设计开发.[西北工业大学学位论文].2006：8-61
[5]海康威视DS-40xxHC/HCS/HC+/HF/HS/MD系列板卡文档
[6]李量.视频监控系统研究与实现.[南京邮电大学学位论文].2009：34-49
[7]郭海丰.基于H.264的视频压缩技术及其在网络视频系统的应用研究.[浙江大学硕士研究生论文].2005：8-32
[8]杨海涛.网络化监控系统的研究及其实现.[浙江工业大学学位论文].2004：16-34
[9]刘岩.浅谈有线电视监测系统的体系架构.有线电视技术,2010,7：86
[10]张囡.有线数字电视监测项目及方法.广播电视信息.2010,3：114
[11]王爱军.电视监测系统分析与研究.科技资讯,2010,1：104
[12]张重德,张崇巍.电视信号监测与报警系统的设计和实现.合肥工业大学学报.2009.1：14
[13]程伟,叶矾,吴孝彪.分布式数字电视综合监测系统.广播与电视技术,2010,2：113
[14]许彦超.多通道广播电视发射机自动监控系统.制造业自动化,,2009,12：20
[15]赵光明,董彪.电视节目监播系统的构建.中国有线电视,2011,2：20
[16]杨内.LED显示屏节目多区域任意划分的设计与实现.现代显示,,2010,12：43
[17]刘坤.视频监控系统的关键技术研究.[上海交通大学硕士学位论文].2010：16-31
[18]张丽.基于网络的数字视频监控系统.[山东大学硕士学位论文].2009：21-43
[19]霍运东.电视广播信号的特征及其监控技术研究.硅谷,2009,14：29
[20]T.Meier,KNNgan.Video segmentation for Content-based coding.IEEE Trans Cireuits Systerm Video Technolog.1999,12 (9):24-25
[21]杨翠萍.基于图像处理的视频监控系统的研究与实现.[东华大学硕士学位论文].2009：29-34
[22]W N Lie,L C Chang.Robust and High-Quality Time Domain Audio Watermarking Subject to Psychoacoustic Masking[J].IEEE International Symposium on Circuits and Systems,2001,2:45-48
[23]朴根华.比对功能在数字电视码流监测系统中的应用.有线电视技术,2010,7：101
[24]周强,基于H.264的嵌入式视频服务器的设计与开发.[浙江大学学位论文].2010：19-24
[25]孙素明,基于H.264的课件点播系统的研究与实现.[云南大学学位论文].2005：36-44
[26]何明一,卫保国.数字图像处理.北京：科学出版社,2008：45-63
[27]D A Ker.Steganalysis of LSB Matching in Grayscale Images.IEEE Signal Processing Letters,2005.12 (6):441-444
[28]张澍.基于信道码流监测技术的卫星广播电视信号监测系统构建.内蒙古广播与电视技术,2010,6：2-3
[29]张烜皓,邹卓,周斌.SMG广播电视播出监测系统建设和研究.电视工程,2009,1：52
[30]国家广电总局科技司,《广播影视科技“十五”计划和2010年远景规划》
[31]Lechner B, hernock R., The ATSC transport layer, including program and system information protocol (PSIP).Proceedings of the IEEE Volume 94,Issue 1,2006:71-105
[32]司增国.广播电视台播出节目监录系统设计.有线电视技术.2011,1：16-17
[33]广浩平.一种具有H.264编解码功能的PCI板卡及相关软件的设计与实现.[北京邮电大学学位论文].2008：9-25
[34]张嵘,舒展,郭跃,王宏远.模块化并行结构数字有线电视传输流复用器设计.计算机与数字工程.2007,3：43-45
[35]Yang.W,Ngan.K,Lim.J,Sohn.K.Joint motion and disparity fields estimation for stereoscopic video sequences.Signal Processing:Image Communication.2005,20 (3):265-276
[36]Iacob,Sorin.M,Salden,Alfons.H.Attention and anticipation in complex scene analysis-An application to video surveillance.Conference Proceedings-IEEE International Conference on Systems,Man and Cybernetics.The Hague,Netherlands.IEEE.2004,7:6383-6388
[37]Iain E.G.Richardson著.欧阳合韩军译.视频编解码器设计.长沙：国防科技大学出版社,2005：131-137
[38]李永忠,王玲,周晓雄.湖南电广网络市州数字电视平台数据广’播系统的设计与实现.有线电视技术,2005(22)：77-82
[39]Emanuele Trucco,Tiziano Tommasini,Vito Roberto.Near-Recursive Optical Flow from Weighted ImageDifferences. Systems,Man and Cybernetics,Part B,IEEE Transactions.2005:25-27
[40]胡蔚星.有线数字电视前端常见故障分析与处理.有线电视技术,2011,4：31-32
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