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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