Research Article
2D Barcode Image Decoding
Table 1
Eight coordinates used for perspective transformation (
version).
| Function pattern
of QR code | Original
coordinate | Normalized
coordinate |
| | Upper left finder pattern | (, ) | (3.5, 3.5) | | Upper right finder pattern | (, ) | (D-3.5, 3.5) | | Lower left finder pattern | (, ) | (3.5, D-3.5) | | Lower right alignment pattern | (, ) | (D-6.5, D-6.5) |
|
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