DAFLNet: Dual Asymmetric Feature Learning Network for COVID-19 Disease Diagnosis in X-Rays

Algorithm 1

Proposed PNSA for weight selection.

Step 1 Input: Obtain the EfficientNetV2, DenseNet and fusion features from .

Step 2 For

  Step 3 Obtain the losses of

  Step 4 Obtain the losses of

  Step 5 Obtain the losses of

  Step 6 Calculate the loss using Eq. (5)

 End

Step 7 Generate and sort the indicator vector

Step 8 Obtain the minimum loss

Step 9 Obtain the weight of the smallest loss.