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    • 3. 发明授权
    • Signal processing method, correlator, software signal receiver by using code cycle
    • 信号处理方法,相关器,软件信号接收器采用码循环
    • US08615031B2
    • 2013-12-24
    • US13445813
    • 2012-04-12
    • Tae Hee KimSang Uk Lee
    • Tae Hee KimSang Uk Lee
    • H04B1/00
    • G01S19/24G01S19/29G01S19/30G01S19/37
    • Disclosed are a signal processing method using a code cycle, a correlator, and a software signal receiver. An exemplary embodiment of the present invention provides a signal processing method of a satellite navigation signal, including: a frequency generating step generating a predetermined frequency component for removing a frequency component of sample data; a code generating step generating a predetermined code component for removing a code component of the sample data and increasing a sample count when the predetermined code component is generated; and a correlation value generating step, if the sample count is equal to a count per unit time, generating a correlation value between the generated predetermined frequency component and the generated predetermined code component by reading a sample data block.
    • 公开了使用码周期,相关器和软件信号接收机的信号处理方法。 本发明的示例性实施例提供了一种卫星导航信号的信号处理方法,包括:频率产生步骤,产生用于去除样本数据的频率分量的预定频率分量; 代码生成步骤,生成用于去除样本数据的代码分量的预定代码分量,并且当生成所述预定代码分量时增加样本计数; 以及相关值产生步骤,如果采样计数等于每单位时间的计数,则通过读取采样数据块来产生所产生的预定频率分量和所生成的预定代码分量之间的相关值。
    • 10. 发明授权
    • Apparatus and method for extracting representative still images from MPEG video
    • 从MPEG视频中提取代表性静止图像的装置和方法
    • US07747130B2
    • 2010-06-29
    • US10573439
    • 2004-09-30
    • Dong Seok JeongTae Hee Kim
    • Dong Seok JeongTae Hee Kim
    • H04N5/91H04N7/00G06K9/00G06K9/36G06K9/46
    • H04N5/783H04N9/8042
    • The present invention relates to an apparatus and method for extracting representative still images from Moving Picture Experts Group (MPEG) video. The apparatus includes a video curve generation unit for calculating the distances between the adjacent frames of all intra frames of input video and generating a video curve that is a cumulative curve of the distances; a video curve division unit for dividing the video curve into a certain number of segments; a still image selection unit for selecting video images corresponding to certain points of the divided video curve as representative still images; and a video output unit for outputting the still images selected by the still image generation unit. Accordingly, the present invention can summarize the video and provide representative still images to a user at high speed.
    • 本发明涉及从运动图像专家组(MPEG)视频中提取代表静止图像的装置和方法。 该装置包括视频曲线生成单元,用于计算输入视频的所有帧内的相邻帧之间的距离,并生成作为距离的累积曲线的视频曲线; 视频曲线分割单元,用于将视频曲线分割成一定数量的段; 静止图像选择单元,用于选择与分割视频曲线的某些点相对应的视频图像作为代表静止图像; 以及用于输出由静止图像生成单元选择的静止图像的视频输出单元。 因此,本发明可以总结视频并以高速向用户提供代表性的静止图像。