CAJ | 학술논문

传统移动视频监控系统采用MPEG-4、H．264等通用视频压缩标准，很难满足安防监控的特殊需求。针对这种情况，设计一种基于SVAC安防视频标准的3G智能手机视频监控平台。手机监控客户端通过JNI机制调用自主开发的SVACDecoder解码库函数实现SVAC视频解码；客户端多画面播放以实现多路监控，多线程编码以提高软件运行速度；视频数据使用RTP／RTCP传输机制确保视频的实时性和质量。搭建的原型试验系统表明能实现流畅稳定的实时监控，并满足感兴趣区域编码、分层编码、分照度编码等安防需求。
전통이동시빈감공계통채용MPEG-4、H．264등통용시빈압축표준，흔난만족안방감공적특수수구。침대저충정황，설계일충기우SVAC안방시빈표준적3G지능수궤시빈감공평태。수궤감공객호단통과JNI궤제조용자주개발적SVACDecoder해마고함수실현SVAC시빈해마；객호단다화면파방이실현다로감공，다선정편마이제고연건운행속도；시빈수거사용RTP／RTCP전수궤제학보시빈적실시성화질량。탑건적원형시험계통표명능실현류창은정적실시감공，병만족감흥취구역편마、분층편마、분조도편마등안방수구。
Traditional mobile video surveillance systems adopt general video compression standard such as MPEG-4,H.264,etc.,it is hard to meet the specific security-monitoring demand.In view of this,we design a video surveillance platform upon 3G smartphone,which is based on SVAC security video standard.The client of smartphone surveillance calls self-developed SVACDecoder library function to realise SVAC video decoding through JNI mechanism.It also uses multi-image display to realise multi-channel video surveillance,as well as uses multithread coding to increase the running speed of software.RTP/RTCP transport protocol is used for the transmission of video data to ensure real-time performance and quality of video.It is demonstrated by the prototype test system constructed that it can achieve fluent and stable real-time surveillance,and meets the security-monitoring demands such as ROI (region of interest)coding,layered coding,optimised coding under variable light environment and so on.