【作者】 张晓宇；

【导师】 孙劲光；

【作者基本信息】 辽宁工程技术大学 ， 计算机应用技术， 2005， 硕士

【摘要】 数字硬盘录像机(DVR)是集硬盘录像、智能回放检索等多种功能于一体的智能数字监控录像系统。具有画面分割器、视频切换器、磁带录影机、控制器、远程传输器的全部功能,可进行图像移动侦测、可通过解码器控制云台和镜头、可通过网络传输图像和控制信号。录像、回放、网络传输、备份的功能互不影响。 本系统采用MPEG-4编码方式,可以达到更高的画质、更低的数据流、更高的效率。相应地,监控质量、硬盘存储时间长度、网络传输流畅性等指标都有很好的表现。更多还原

【Abstract】 Digital Video Recorder is a system that includes hard disk video, intelligent replaying and searching and other functions digital surveillant video system. Gather picture partition, video switcher, magnetic tape, video tape recorder, controller, remote transfer for a system .The system itself can detect the pictures if they are moving at this time . It controls the console and camera lens with decoder, transfers the pictures and controlling signals with the network. Video, replaying, transferring,The system adopts MPEG-4 mode, it can get the higher picture quality, the lower data current, the higher efficiency. Detecting quality, hard disk storage time and length, network transferring fluency process well representation.更多还原