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Heritage Science

Table 2 Comparison of performances of different algorithms after adding noise

From: Improved region growing algorithm for the calibration of flaking deterioration in ancient temple murals

Method

Without noise

10% salt and pepper noise

Gaussian noise with an average square deviation of 10

Method in reference [15]

 Mean error (pixels)

2.69

3.04

2.98

 Error standard variance

3.97

4.15

4.09

Method in reference [16]

 Mean error (pixels)

2.46

2.83

2.70

 Error standard variance

2.71

3.11

2.99

Method of this article

 Mean error (pixels)

1.91

1.97

1.96

 Error standard variance

1.82

1.85

1.85

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