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    • 7. 发明授权
    • Enhanced-density barcode
    • 增强密度条形码
    • US08763906B2
    • 2014-07-01
    • US13570829
    • 2012-08-09
    • Michael Peter Kuyper-HammondMichael Charles OsborneTamas Visegrady
    • Michael Peter Kuyper-HammondMichael Charles OsborneTamas Visegrady
    • G06K7/10
    • G06K19/06028
    • A method of decoding a two-dimensional enhanced-density barcode. A first and a second barcode are encoded in the enhanced-density barcode. The enhanced-density barcode includes a set of blocks. Each block includes a predefined number of sub-pixels. The blocks of the enhanced-density barcode being arranged relatively to each other in a geometrical lattice having a first and a second lattice direction. The method includes the steps of distorting of the enhanced-density barcode in the first lattice direction, resulting in a first distorted barcode, distorting of the enhanced-density barcode in the second lattice direction, resulting in a second distorted barcode, reconstructing the first barcode by low-pass filtering the first distorted barcode, reconstructing the second barcode by low-pass filtering the second distorted barcode.
    • 一种解码二维增强密度条形码的方法。 在增强密度条形码中编码第一和第二条形码。 增强密度条形码包括一组块。 每个块包括预定数量的子像素。 增强密度条形码的块在具有第一和第二格子方向的几何格子中彼此相对地布置。 该方法包括以下步骤:使加强密度条形码在第一格子方向上失真,导致第一失真条形码,第二格子方向上增强密度条形码的失真,导致第二失真条形码,重建第一条形码 通过对第一失真条形码进行低通滤波,通过对第二失真条形码进行低通滤波来重构第二条形码。