이진 영상의 전처리 회로
    42.
    发明授权
    이진 영상의 전처리 회로 失效
    二值图像的预处理电路

    公开(公告)号:KR1019930010022B1

    公开(公告)日:1993-10-14

    申请号:KR1019910007635

    申请日:1991-05-11

    Abstract: The preprocessor includes a control signal generator (10) for generating control clock signal, a memory (20) for storing pixel data, a first counter (30) for generating memory address signal to output image data to be processed a second counter (40) for generating memory address signal to store external pixel data on the memory (20), a shift register (50) for shifting data sent from the memory (20), a shift register (60) for shifting data in N x N mask by 90 degrees according to a control signal transmitted from the first counter, a programmable logic array (70) for removing noise in the data, a 2 x 1 multiplexer (80) for outputting processed data, a comparator (70) for comparing center pixel data of N x N mask with output data of the 2 x 1 multiplexer (80), and a counter (100) for counting the operation of the comparator (90).

    Abstract translation: 预处理器包括用于产生控制时钟信号的控制信号发生器(10),用于存储像素数据的存储器(20),用于产生存储器地址信号的第一计数器(30)以输出要处理的第二计数器(40)的图像数据, 用于产生存储器地址信号以将外部像素数据存储在存储器(20)上;移位寄存器(50),用于移位从存储器(20)发送的数据;移位寄存器(60),用于将N×N掩码中的数据移位90 根据从第一计数器发送的控制信号,用于去除数据中的噪声的可编程逻辑阵列(70),用于输出处理数据的2×1多路复用器(80);比较器(70),用于比较 N×N掩模,具有2×1多路复用器(80)的输出数据,以及用于对比较器(90)的操作进行计数的计数器(100)。

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