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Table 1 Performance in terms of computational cost measured by average iterations, oversegmentation rate, and rate of differently labelling disjoint regions of the same texture (%) with various values of when the image in Figure 3 is divided into 64 blocks.

From: A Conditional Random Field Approach to Unsupervised Texture Image Segmentation

Average iterations

Oversegmentation rate (%)

Rate of labelling disjoint regions differently (%)

 

Proposed alg.

Previous alg.

Proposed alg.

Previous alg.

Proposed alg.

 Previous alg.

10

5.9

6.9

1

100

1

100

50

6.2

10.6

0

100

0

100

100

7.2

23.8

0

91

0

100

200

9.4

32.3

0

22

0

99

300

12.7

46.1

0

3

0

96

400

19.28

72.1

0

2

0

86

500

28.4

131.3

0

0

0

55

600

38.8

218.2

0

0

0

51