Basic introduction A QR code (Quick Response code) is a 2D barcode type. It consists of black squares arranged in a square grid on a white background, which can be read by a camera, scanner, or other imaging devices. PDF417 barcodes are a type of stacked, variable length, bi-directional 2D barcode. It is one of…
With so many 1D and 2D barcode types, how do you choose the right one? In this article, we give you a comprehensive guide to 1D and 2D barcodes, covering 18 major barcodes types. Collectively, they cover the bulk of application needs. For 1D barcodes, they include: UPC-A UPC-E EAN 8 EAN 13 Industrial 2…
In retail, crumpled QR codes are common on plastic packaging or cylinder containers, for example. Wrinkled codes are also common with paper receipts or tickets. Deskewing a crumpled QR code can sometimes diminish the quality of the image, which in turn reduces the barcode recognition accuracy. But, Dynamsoft Barcode Reader uses pre-processing features to auto-deskew…
If you’ve ever managed barcode technology, you’re familiar that sometimes a physical barcode can be incomplete. For example, sometimes a corner of one might be missing due to poor printing or damage. For QR Codes and Data Matrix codes, this can cause the finder patterns to be obscured. The morphology of 2D matrix codes are…
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