[1] COLLINS D J,PADHANI A R.Dynamic magnetic resonance imaging of tumor perfusion[J].IEEE Engineering in Medicine and Biology Magazine,2004,23(5):65-83. [2] DU Jiang,CARL M,BYDDER M,et al.Qualitative and quantitative ultrashort echo time imaging of cortical bone[J].Journal of Magnetic Resonance,2010,207(2):304-311. [3] LI Cheng,MAGLAND J F,SEIFERT A C,et al.Correction of excitation profile in zero echo time imaging using quadratic phase-modulated RF pulse excitation and iterative reconstruction[J].IEEE Transactions on Medical Imaging,2014,33(4):961-969. [4] CHANG L T.A method for attenuation correction in radionuclide computed tomography[J].IEEE Transactions on Nuclear Science,1978,25(1):638-643. [5] HSU S H,CAO Yue,HUANG Ke,et al.Investigation of a method for generating synthetic CT models from MRI scans of the head and neck for radiation therapy[J].Physics in Medicine and Biology,2013,58(23):8419. [6] SU Kuanhao,HU Lingzhi,STEHNING C,et al.Generation of brain pseudo-CTs using an undersampled,single-acquisition UTE-mDixon pulse sequence and unsupervised clustering[J].Medical Physics,2015,42(8):4974-4986. [7] JOHANSSON A,KARLSSON M,NYHOLM T.CT substitute derived from MRI sequences with ultrashort echo time[J].Medical Physics,2011,38(5):2708-2714. [8] JOHANSSON A,KARLSSON M,YU Jun,et al.Voxel-wise uncertainty in CT substitute derived from MRI[J].Medical Physics,2012,39(6):3283-3290. [9] ANDREASEN D,VAN LEEMPUT K,EDMUNDJ M.A patch-based pseudo-CT approach for MRI-only radiotherapy in the pelvis[J].Medical Physics,2016,43(8):4742-4752. [10] ANDREASEN D,VAN LEEMPUT K,HANSEN R H,et al.Patch-based generation of a pseudo CT from conventional MRI sequences for MRI-only radiotherapy of the brain[J].Medical Physics,2015,42(4):1596-1605. [11] HAN Xiao.MR-based synthetic CT generation using a deep convolutional neural network method[J].Medical Physics,2017,44(4):1408-1419. [12] QIAN Pengjiang,SUN Shouwei,JIANG Yizhang,et al.Cross-domain,soft-partition clustering with diversity measure and knowledge reference[J].Pattern Recognition,2016,50:155-177. [13] SUYKENS J A K,VANDEWALLE J.Least squares support vector machine classifiers[J].Neural Processing Letters,1999,9(3):293-300. [14] DEPIERRO A R.On the relation between the ISRA and EM algorithm for positron emission tomography[J].IEEE Transactions on Medical Imaging,1993,12(2):328-333. [15] THIELEMANS K,MANJESHWAR R M,TAO Xiaodong,et al.Lesion detectability in motion compensated image reconstruction of respiratory gated PET/CT[C]//Proceedings of 2006 IEEE Nuclear Science Symposium Conference Record.Washington D.C.,USA:IEEE Press,2006:3278-3282. [16] SCHLYER D,VASKA P,TOMASI D,et al.A simultaneous PET/MRI scanner based on RatCAP in small animals[C]//Proceedings of IEEE Nuclear Science Symposium Conference Record.Washington D.C.,USA:IEEE Press,2007:3256-3259. [17] KIM J H,LEE J S,SONG I C,et al.Comparison of segmentation-based attenuation correction methods for PET/MRI:evaluation of bone and liver standardized uptake value with oncologic PET/CT data[J].Journal of Nuclear Medicine Official Publication Society of Nuclear Medicine,2012,53(12):1878-1882. [18] HOFMANN M,BEZRUKOV I,MANTLIKF,et al.MRI-based attenuation correction for whole-body PET/MRI:quantitative evaluation of segmentation-and atlas-based methods[J].Journal of Nuclear Medicine,2011,52(9):1392-1399. [19] KOPS E R,HERZOG H.Template based attenuation correction for PET in MR-PET scanners[C]//Proceedings of Nuclear Science Symposium Conference Record.Washington D.C.,USA:IEEE Press,2008:3786-3789. [20] 王海鹏,樊馨,贠明凯,等.PET/MRI衰减校正技术研究进展[J].中国医学影像技术,2014(2):295-299. [21] CHEN R C,LONGO R,RIGON L,et al.Measurement of the linear attenuation coefficients of breast tissues by synchrotron radiation computed tomography[J].Physics in Medicine and Biology,2010,55(17):4993. [22] BOOPATHI G,AROCKIASAMY S.Image compression:an approach using wavelet transform and modified FCM[J].International Journal of Computer Applications,2011,28(2):7-12. [23] CHEN Songcan,ZHANG Daoqiang.Robust image segmentation using FCM with spatial constraints based on new kernel-induced distance measure[J].IEEE Transactions on Systems,Man,and Cybernetics,Part B (Cybernetics),2004,34(4):1907-1916. [24] FAN Lin,WANG Huanzhao,WANG Hai.A solution of multi-target tracking based on fcm algorithm in wsn[C]//Proceedings of the 4th Annual IEEE International Conference on Pervasive Computing and Communications Workshops.Washington D.C.,USA:IEEE Press,2006:290-294. [25] ANUSUYA S,BHANU N U,KASTHURI E.Yeast gene expression analysis using K means and FCM[J].International Journal of Pharma and Bio Sciences 2015,6(3):B395-B400. [26] SCHNEIDER W,BORTFELD T,SCHLEGEL W.Correlation between CT numbers and tissue parameters needed for Monte Carlo simulations of clinical dose distributions[J].Physics in Medicine and Biology,2000,45(2):459. [27] 孙寿伟,钱鹏江,胡凌志,等.迁移模糊聚类在医学PET/MRI快速衰减校正中的应用[J].计算机工程与科学,2016,38(4):775-784. |