Extracting feature vector

• Extracting only 64 Walsh transforms is enough to make a reliable decision.

0 1 2 3 4

1 1221

2 1494 1607

3 1113 1532 1727

4 1353 1338 1723 1566

5 1208 1253 1466 1271 1417

6 745 1464 1661 1224 1514

7 1752 1143 1722 1917 1773

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