2D imaging scanners are the newest type of barcode reader currently available. These are scanners are capable of scanning 2D (2 dimensional) barcodes, such as those that come in patterns of squares, dots, hexagons and other geometric patterns within images. Examples of the 2D barcodes (stacked and matrix) are PDF417, DataMatrix, Semacode, Aztec Code, MaxiCode, and more.
The barcode scanners use a small video camera to capture an image of a barcode. The reader then uses sophisticated digital image processing techniques to decode the barcode.
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