Abstract
We presented new reconstruction algorithms for compressed sensing magnetic resonance imaging (CS-MRI) based on the combination of the fast composite splitting algorithm (FCSA) and complex dual-tree wavelet transform (DT-CWT) and on the combination of FCSA and double density dual-tree wavelet transform (DDDT-DWT), respectively. We applied the bivariate thresholding to these two combinations. The proposed methods not only inherit the effectiveness and fast convergence of FCSA but also improve the sparse representation of both point-like and curve-like features. Experimental results validate the effectiveness and efficiency of the proposed methods.
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Acknowledgement
This work is supported by the National Natural Science Foundation of China (No. 61271374).
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Li, J., Zhou, J., Tu, Q., Ikram, J., Dong, Z. (2016). Fast Dual-Tree Wavelet Composite Splitting Algorithms for Compressed Sensing MRI. In: Hirose, A., Ozawa, S., Doya, K., Ikeda, K., Lee, M., Liu, D. (eds) Neural Information Processing. ICONIP 2016. Lecture Notes in Computer Science(), vol 9947. Springer, Cham. https://doi.org/10.1007/978-3-319-46687-3_57
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DOI: https://doi.org/10.1007/978-3-319-46687-3_57
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