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    • 9. 发明授权
    • Comparator suitable for a character recognition system
    • 比较器适合于字符识别系统
    • US4498189A
    • 1985-02-05
    • US350037
    • 1982-02-18
    • Nobuhiko Mori
    • Nobuhiko Mori
    • G06K9/62G06F7/22G06K9/64
    • G06F9/30021G06F7/22G06K9/6202G06K9/64
    • In a pattern matching method, the input pattern of a character is compared with each of a plurality of standard patterns to detect similarities and differences by counting the number of pattern elements which are or are not matched with each other. To do this, a high-speed comparator stores a plurality of comparing data in a memory, which is driven by a clock pulse train. The memory produces a plurality of sequence signals during each time interval when the clock pulses of a number responding to a plurality of comparing data are applied thereto. The first or last produced sequence signal is detected from among the plurality of sequence signals and is used to extract the maximum or minimum data.
    • 在图案匹配方法中,将字符的输入图案与多个标准图案中的每一个进行比较,以通过对彼此匹配或不匹配的图案元素的数量进行计数来检测相似和差异。 为此,高速比较器将多个比较数据存储在由时钟脉冲串驱动的存储器中。 当将响应于多个比较数据的数字的时钟脉冲施加到其上时,存储器在每个时间间隔期间产生多个序列信号。 从多个序列信号中检测第一或最后产生的序列信号,并且用于提取最大或最小数据。