We propose an enhanced recursive residual network (ERRN) that improves the basic recursive residual network with both a high-frequency feature guidance and dense connections. The feature guidance is designed to predict the underlying anatomy based on image a priori learning from the label data, playing a complementary role to the residual learning. The ERRN is adapted to include super resolution MRI and compressed sensing MRI, while an application-specific error-correction unit is added into the framework, i.e. back projection for SR-MRI and data consistency for CS-MRI due to their different sampling schemes.
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