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    • 95. 发明公开
    • Security Device of Electronic Surveillance
    • Sichereitsvorrichtung zur elektronischenÜberwachung
    • EP1734764A1
    • 2006-12-20
    • EP05105234.8
    • 2005-06-15
    • Polaris Wireless system Corp.
    • Lin, Ping-LihJeng, Cherng-Huei
    • H04N7/18H04N7/16
    • H04N7/181G08B13/19608G08B13/19621G08B13/19634G08B13/19645G08B13/19663G08B13/19669G08B13/19691G08B13/19695H04N5/76
    • The invention discloses a security device of electronic surveillance. The security device of electronic surveillance comprises a plurality of video cameras, A/D converters, a video motion detector module, a system controller, a video composing module, subtitle module, and a video signal mixer. The A/D converters are used to convert a TV signal or analog video signals captured by the video cameras into immediate digital video signals and the digital video signals are provisionally stored in a video buffering memory. Then, the video motion detector module instantly computes motion parameters of the digital video signals stored in the video buffering memory with a built-in algorithm and transmits the motion parameters to the system controller. According to the motion parameters, the system controller issues appropriate control instructions to the video composing module and the subtitle module. The video composing module outputs a dynamic composed video (e.g.: PIP or POP) and the subtitle module produces appropriate message, in response to the control instructions. The video signal mixer mixes the composed video and the messages to output a mixed digital video signal. Finally, a D/A converter is used to convert the mixed digital video signal into analog signals to display on TV set with PIP mode or POP mode.
    • 本发明公开了一种电子监控的安全装置。 电子监视的安全装置包括多个摄像机,A / D转换器,视频运动检测器模块,系统控制器,视频编组模块,字幕模块和视频信号混合器。 A / D转换器用于将由摄像机捕获的TV信号或模拟视频信号转换为立即数字视频信号,并将数字视频信号临时存储在视频缓冲存储器中。 然后,视频运动检测器模块利用内置算法立即计算存储在视频缓冲存储器中的数字视频信号的运动参数,并将运动参数传送到系统控制器。 根据运动参数,系统控制器向视频合成模块和副标题模块发出适当的控制指令。 视频合成模块输出动态合成视频(例如,PIP或POP),并且字幕模块响应于控制指令产生适当的消息。 视频信号混合器混合组合视频和消息以输出混合数字视频信号。 最后,使用D / A转换器将混合数字视频信号转换为模拟信号,以便在PIP模式或POP模式下在电视机上显示。