Peak Noise Ratio of existing and proposed technique Image

Peak Signal to Noise Ratio is based on color texture based image segmentation by using the following equation. It is the ratio between the maximum possible power of a signal and the power of corrupting noise that affects the fidelity of its image.To compare the proposed technique with existing technique, first PSNR parameter has use. We are measuring PSNR in decibel………………………..Eq.6Table 4.1(a): Peak Signal to Noise Ratio of existing and proposed technique

Image No.

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PSNR of Existing   Technique (Sec.)

PSNR of Proposed Technique  (Sec.)

1

46.73

66.75

2

49.92

71.32

3

43.78

62.54

4

46.84

66.91

5

36.84

52.65

6

46.03

65.75

7

42.29

60.41

8

40.92

58.45

9

43.39

61.98

10

42.86

61.23

 

 4.2 MSE

To compare the proposed technique with existing technique, secondly MSE parameter has used.

Mean Square Error is calculated pixel-by-pixel by adding up the squared difference of all the pixels and dividing by the total pixel count. MSE of the segmented image can be calculated by using the equation.

 

………Eq.7

Table 4.2(a): Comparison of MSE

 

Image No.

MSE of Existing 
Technique ( % )

MSE of Proposed
Technique(%)

1

0.39

0.11

2

0.23

0.08

3

0.15

0.1

4

0.39

0.14

5

0.31

0.08

6

0.26

0.16

7

0.4

0.2

8

0.43

0.15

9

0.16

0.12

10

0.05

0.02