The dual-stream feature pyramid network based on Mamba and convolution for brain magnetic resonance image registration
Deformable image registration plays a crucial role in medical image analysis.Despite various advanced registration models having been proposed,achieving accurate and efficient deformable registration remains challenging.Leveraging the recent outstanding performance of Mamba in computer vision,we introduced a novel model called MCRDP-Net.MCRDP-Net adapted a dual-stream network architecture that combined Mamba blocks and convolutional blocks to simultaneously extract global and local information from fixed and moving images.In the decoding stage,we employed a pyramid network structure to obtain high-resolution deformation fields,achieving efficient and precise registration.The effectiveness of MCRDP-Net was validated on public brain registration datasets,OASIS and IXI.Experimental results demonstrated significant advantages of MCRDP-Net in medical image registration,with DSC,HD95,and ASD reaching 0.815,8.123,and 0.521 on the OASIS dataset and 0.773,7.786,and 0.871 on the IXI dataset.In summary,MCRDP-Net demonstrates superior performance in deformable image registration,proving its potential in medical image analysis.It effectively enhances the accuracy and efficiency of registration,providing strong support for subsequent medical research and applications.