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Table 4 Experimental results of the U-net model with different pairs of loss and optimization functions

From: Application of deep learning in wound size measurement using fingernail as the reference

Loss function

Optimization function

mDSC1

mPA2

mPS3

mPP4

Dice Loss

Adam5

0.9250

0.9523

0.9439

0.9068

SGD6

0.8849

0.9256

0.9164

0.8554

Binary Cross Entropy

Adam

0.9232

0.9510

0.9455

0.9055

SGD

0.8713

0.9143

0.9302

0.8194

  1. (1) Mean Dice coefficient, (2) mean pixel accuracy, (3) mean pixel sensitivity, (4) mean pixel precision, (5) adaptive moment estimation, (6) stochastic gradient descent