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Header: https://acart.com/wp-content/uploads/2017/04/facial-recognition-img2.jpg

Six facial expressions drawing: https://miro.medium.com/max/1200/1*L93DIgkABLyRb0tX08T-MA.jpeg

Six facial expressions examples images: https://cbim.rutgers.edu/component/content/article?id=141:expression-recognition

CycleGAN training diagram: https://arxiv.org/abs/1711.00648

Generator structure: https://arxiv.org/abs/1711.00648

Discriminator structure: https://arxiv.org/abs/1711.00648

CNN structure: https://arxiv.org/abs/1711.00648