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    • 8. 发明专利
    • Two-dimensional code reader and program
    • 二维代码读取器和程序
    • JP2012033034A
    • 2012-02-16
    • JP2010172619
    • 2010-07-30
    • Shift:Kk株式会社シフト
    • ENDO HIROYUKITAKAHASHI MASAYUKI
    • G06K7/10G06K7/12
    • G06K7/10722G06K7/12G06K7/1443G06K7/146G06K7/1491G06K2019/06225
    • PROBLEM TO BE SOLVED: To provide a technique with which each of plural two-dimensional codes included in an image is specified and time required for color determination processing for each cell area of each of the specified two-dimensional codes is reduced.SOLUTION: On the basis of an edge image generated from an obtained image (original image), a candidate area in the edge image is extracted, it is determined whether a distinctive pattern is included in each area in the original image corresponding to the extracted candidate area, and then a two-dimensional code area is detected in the original image. When each pixel of the detected two-dimensional code area is subjected to color determination processing, the determination processing is performed for each pixel group composing each line of the area, and the color determination processing is performed for each pixel in the arrangement order. When each line corresponding to each cell area is determined that a predetermined number or more of the pixels are included in a color determination area, the other pixels in the line are not subjected to the color determination processing.
    • 要解决的问题:提供一种技术,其中包括在图像中的多个二维码中的每一个被指定,并且减少了每个指定的二维码的每个小区区域的颜色确定处理所需的时间。 解决方案:根据从所获得的图像(原始图像)生成的边缘图像,提取边缘图像中的候选区域,确定在对应于原始图像的原始图像的每个区域中是否包括特征图案 提取的候选区域,然后在原始图像中检测二维码区域。 当对所检测的二维码区域的每个像素进行颜色确定处理时,对构成该区域的每一行的每个像素组执行确定处理,并且以排列顺序为每个像素执行颜色确定处理。 当确定对应于每个单元区域的每一行,在颜色确定区域中包括预定数量或更多个像素时,该行中的其它像素不进行颜色确定处理。 版权所有(C)2012,JPO&INPIT