Before revision:  QGANs exploit the properties of quaternion algebra, e.g., the Hamilton product for convolutions. This allows to process channels as a single entity and capture internal latent relations, while reducing by a factor of 4 the overall number of parameters.
After revision:  QGANs exploit the properties of quaternion algebra, e.g., the Hamilton product , that allows to process channels as a single entity and capture internal latent relations, while reducing by a factor of 4 the overall number of parameters.