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Table 5 The statistical secret capacity under different QR versions and error correction levels

From: High payload secret hiding technology for QR codes

QR version Statistical secret capacity (bits)
L M Q H
1 46 78 94 72
5 205 382 496 368
10 574 1038 1232 976
15 1054 1916 2360 1784
20 1789 3325 3880 3080
25 2492 4700 5744 4304
30 3596 6491 7880 5960
35 4555 8509 10,288 7888
40 5993 10,970 13,328 10,208