Table 2 PSNR and RSE comparison results for metal Pb under different missing rates.

From: A prediction model for soil heavy metal content based on improved tensor completion

Pb

20%

40%

60%

80%

PSNR

RSE

PSNR

RSE

PSNR

RSE

PSNR

RSE

C2F-STDCTV

34.042*

0.024*

33.871*

0.025*

33.569*

0.027*

32.427*

0.028*

STDCTV

30.763

0.043

29.598

0.051

27.287

0.069

25.238

0.087

STDC

26.711

0.056

25.335

0.066

21.887

0.098

18.338

0.147

HALRTC

31.335

0.032

30.026

0.037

27.56

0.049

22.644

0.088

LRTV-PDS

33.109

0.037

31.619

0.041

29.507

0.048

26.340

0.064

  1. Statistical significance was tested using a paired t-test; * indicates a statistically significant difference (p < 0.05) compared to the second-best method.
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