Joint Reconstruction of Multi-contrast Images and Multi-channel Coil Sensitivities.
文献类型：期刊论文
| 作者 | Xie, Guoxi; Ren, Yanan ; Su, Shi ; Shi, Caiyun ; Ji, Jim X. ; Zheng, Hairong ; Chen, Zhongzhou ; Liu, Xin |
| 刊名 | APPLIED MAGNETIC RESONANCE
 |
| 出版日期 | 2017 |
| 文献子类 | 期刊论文 |
| 英文摘要 | Magnetic resonance imaging (MRI) has an important feature that it provides multiple images with different contrasts for complementary diagnostic information. However, a large amount of data is needed for multi-contrast images depiction, and thus, the scan is time-consuming. Many methods based on parallel magnetic resonance imaging (pMRI) and compressed sensing (CS) are applied to accelerate multi-contrast MR imaging. Nevertheless, the image reconstructed by sophisticated pMRI methods contains residual aliasing artifact that degrades the quality of the image when the acceleration factor is high. Other methods based on CS always suffer the regularization parameter-selecting problem. To address these issues, a new method is presented for joint multi-contrast image reconstruction and coil sensitivity estimation. The coil sensitivities can be shared during the reconstruction due to the identity of coil sensitivity profiles of different contrast images for imaging stationary tissues. The proposed method uses the coil sensitivities as sharable information during the reconstruction to improve the reconstruction quality. As a result, the residual aliasing artifact can be effectively removed in the reconstructed multi-contrast images even if the acceleration factor is high. Besides, as there is no regularization term in the proposed method, the troublesome regularization parameter selection in the CS can also be avoided. Results from multi-contrast in vivo experiments demonstrated that multi-contrast images can be jointly reconstructed by the proposed method with effective removal of the residual aliasing artifact at a high acceleration factor. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| 源URL | [http://ir.siat.ac.cn:8080/handle/172644/12081]  |
| 专题 | 深圳先进技术研究院_医工所 |
| 作者单位 | APPLIED MAGNETIC RESONANCE |
| 推荐引用方式 GB/T 7714 | Xie, Guoxi, Ren, Yanan , Su, Shi ,et al. Joint Reconstruction of Multi-contrast Images and Multi-channel Coil Sensitivities.[J]. APPLIED MAGNETIC RESONANCE,2017. |
| APA | Xie, Guoxi., Ren, Yanan ., Su, Shi ., Shi, Caiyun ., Ji, Jim X. .,...& Liu, Xin .(2017).Joint Reconstruction of Multi-contrast Images and Multi-channel Coil Sensitivities..APPLIED MAGNETIC RESONANCE. |
| MLA | Xie, Guoxi,et al."Joint Reconstruction of Multi-contrast Images and Multi-channel Coil Sensitivities.".APPLIED MAGNETIC RESONANCE (2017). |
入库方式： OAI收割
来源：深圳先进技术研究院
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