Fig. 4 | Scientific Reports

Fig. 4

From: Complex-valued neural networks to speed-up MR thermometry during hyperthermia using Fourier PD and PDUNet

Fig. 4

Fourier Primal-Dual UNet (Fourier-PDUNet): The primal and dual iterates are represented by orange and green boxes, respectively. A complex-valued UNet architecture, as opposed to a complex-valued fully convolutional network (as used in Fourier-PDNet), is used in the primal block. The original primal-dual network is still present in the dual block, which is a complex-valued fully convolutional network.

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