实验

SIFT

PCA-SIFT

PCA-SIFT + RANSAC

1

匹配点(对)

30

17

13

误匹配率(%)

3/30 = 10.0000

2/17 = 11.7647

1/13 = 7.6923

时间(s)

2.6192

1.3431

2.0307

2

匹配点(对)

19

11

8

误匹配率(%)

2/19 = 10.5263

1/11 = 9.0909

0/8 = 0

时间(s)

11.0054

7.6972

8.5505

3

匹配点(对)

31

32

28

误匹配率(%)

3/31 = 9.677

3/32 = 9.3750

1/28 = 3.5714

时间(s)

11.2439

6.2501

7.5552