Abstract
Multimodal medical image fusion is one of the emerging technologies in the field of biomedical research and disease analysis. Not only it is aiding the medical experts in assessing the various disorders, but also it is responsible for bringing out the embedded diagnostic information content out of the input source images. When fusion is performed, all the redundancies and irregularities get removed from the source images along with an improved visual quality of final fused image. This paper is aimed at finding the best fusion method for the multimodal fusion of CT/MRI, MRI/PET and PET/CT brain images. A total of 60 brain images that were acquired using imaging modalities such as CT, MRI and PET have been used for performing the fusion. Various fusion methods such as PBM, DWT, SWT and PCA have been explored, and their performance is analyzed via use of image quality assessment metrics like entropy, SSIM, PSNR and RMSE which are widely used by researchers. Simulation results along with comparison tables are also presented in the paper which justifies the effectiveness of proposed fusion method when compared to other approaches. Finally, it has been concluded that the proposed fusion method, i.e., PCA is the best outperforming fusion method for the multimodal fusion of CT/MRI, MRI/PET and PET/CT brain images.
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Twinkle, Saini, B.S. (2022). Performance Analysis of Fusion Methods for the Multimodal Fusion of CT/MRI, MRI/PET and PET/CT Brain Images. In: Dhawan, A., Tripathi, V.S., Arya, K.V., Naik, K. (eds) Recent Trends in Electronics and Communication. VCAS 2020. Lecture Notes in Electrical Engineering, vol 777. Springer, Singapore. https://doi.org/10.1007/978-981-16-2761-3_74
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