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Table 4 The average secret capacity under different QR versions and error correction levels, iterations = 100

From: High payload secret hiding technology for QR codes

QR version

Embedded secret capacity (bits)

L

M

Q

H

1

50

83

97

72

5

215

396

496

368

10

613

1086

1232

976

15

1088

2024

2360

1784

20

1853

3474

3880

3080

25

2596

4903

5744

4304

30

3735

6752

7880

5960

35

4751

8887

10,288

7888

40

6249

11,445

13,328

10,208