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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