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Insights into Imaging

Table 6 Most popular evaluation metrics used in different studies

From: The role of generative adversarial networks in brain MRI: a scoping review

Evaluation metric

Number of studies

IDs of studies

SSIM

53

[7,8,9,10,11,12, 15, 16, 18, 21, 25, 27, 36, 40, 42, 43, 45, 47, 48, 55, 56, 58, 62, 66, 69, 72, 85, 86, 103,104,105,106,107,108,109,110, 112, 113, 115,116,117, 120,121,122,123, 125,126,127,128,129,130,131]

PSNR

49

[7,8,9,10,11, 15,16,17, 21, 25, 36, 38, 42, 43, 45,46,47,48, 53, 55, 56, 58, 62, 66, 72, 85, 86, 97, 104,105,106,107,108,109,110, 112, 113, 115,116,117,118, 120, 121, 123, 124, 128, 129, 131]

DSC

31

[9, 20, 29, 45, 50,51,52,53,54,55,56, 59,60,61, 68, 72,73,74,75,76,77, 79,80,81, 102, 105, 114, 125, 136, 142,143,144]

Accuracy

22

[6, 13, 14, 19, 34, 35, 37, 39, 64, 83, 84, 89, 90, 92, 93, 95, 96, 98, 122, 132, 135, 139]

MAE

16

[7, 17, 21, 23, 29, 42, 46, 53, 58, 69, 85, 100, 115, 120, 129, 134]

MSE

16

[11, 16, 40, 45, 48, 58, 72, 117, 118, 122, 123, 128, 130, 131, 142]

Sensitivity

11

[75, 76, 81, 84, 92, 95, 96, 98, 99, 142]

Precision

9

[19, 26, 54, 64, 75, 132, 135, 138, 139]

Recall

9

[19, 26, 39, 54, 64, 132, 135, 138, 139]

F1 score

8

[19, 24, 64, 92, 93, 135, 138, 139]

FID

8

[21, 22, 42, 59, 109, 130]

Specificity

8

[68, 76, 84, 92, 95, 98, 142]

  1. The numbers do not sum up as many studies used more than one evaluation metric, while some studies lack details on evaluation metrics
  2. SSIM structural similarity index measure, PSNR peak signal-to-noise ratio, DSC Dice similarity coefficient, MAE mean absolute error, MSE mean square error, FID Frechet inception distance
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