Table 4 Proportion of mutually exclusive recognition result samples in SAM algorithm and SID algorithm

From: Digital restoration of mural paintings from late Tang tomb M1373 in Xi’an based on hyperspectral analysis and image interaction processing

Accuracy rate

Case1

Case2

Case3

Case4

Case5

Case6

Case7

Case8

Additive noise on entire value in formula (1)

0.07

0.06

0.05

0.05

0.05

0.05

0.05

0.04

Multiplicative noise on a,b in formula (1)

0.05

0.05

0.05

0.04

0.03

0.02

0.01

0.01

Mutually exclusive sample proportion

2.6%

2.1%

1.5%

1.0%

0.7%

0.06%

0.02%

0%

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