Unsupervised Domain Adaptation for Facial Expression Recognition Using Generative Adversarial Networks

Algorithm 1

Fine-tuning process using DPL.

Input:

: pretrained CNN model

: source images

: GAN generated images

: training images

Functions:

: probability output of given

: calculate the loss using DPL loss function

: calculate the loss using cross-entropy loss function

Training:

(1) for each epoch:

(2) for each :

(3)

(4) if :

(5)

(6) else if :

(7)

(8) Update with

(9) end

(10) end