[1] [1] Weissleder R. Molecular imaging: exploring the next frontier [J]. Radiology, 1999, 212(3): 609-614.

[2] [2] Massoud T F. Molecular imaging in living subjects: seeing fundamental biological processes in a new light [J]. Genes & Development, 2003, 17(5): 545-580.

[3] [3] Ishimaru A. Diffusion of light in turbid material [J]. Applied Optics, 1989, 28(12): 2210-2215.

[4] [4] Liu Yongchuan, Song Enmin, Jin Renchao, et al. A tomographic reconstruction model for highly scattering media [J]. Infrared and Laser Engineering, 2014, 43(9): 3094-3098. (in Chinese)

[5] [5] Klose A D, Larsen E W. Light transport in biological tissue based on the simplified spherical harmonics equations[J]. Journal of Computational Physics, 2006, 220(1): 441-470.

[6] [6] Liemert A, Kienle A. Analytical solutions of the simplified spherical harmonics equations[J]. Optics Letters, 2010, 35(20): 3507-3509.

[7] [7] Klose AD, Poschinger T. Excitation-resolved fluorescence tomography with simplified spherical harmonics equations[J]. Physics in Medicine and Biology, 2011, 56(5): 1443-1469.

[8] [8] Guo Hongbo, Hou Yuqing, He Xiaowei, et al. Adaptive hp finite element method for fluorescence molecular tomography with simplified spherical harmonics approximation [J]. Journal of Innovative Optical Health Sciences, 2014, 7(2): 342-345.

[9] [9] NVIDIA. CUDA_C_Programming_Guide5.5 [R]. [2013-07-06]. http://docs.nvidia.com/cuda/cuda-c-programming-guide.

[10] [10] Chen Xi, Qiu Yuehong, Yi Hongwei. Parallel programming design of star image registration based on GPU [J]. Infrared and Laser Engineering, 2014, 43(11): 3756-3761. (in Chinese)

[11] [11] Li Dayu, Hu Lifa, Mu Quanquan, et al. Wavefront calculation of liquid crystal adaptive optics based on CUDA[J]. Optics and Precision Engineering, 2010, 18(4): 848-854. (in Chinese)

[12] [12] Wang Maozhi, Guo Ke, Xu Wenxi. Hyperspectral remote sensing image parallel processing based on cluster and GPU [J]. Infrared and Laser Engineering, 2013, 42(11): 3070-3075. (in Chinese)

[13] [13] Meng Xiaolin, Qin An, Xu Jian, et al. Fist 3D medical image segmentation based on CUDA[J]. Chinese Journal of Medical Physics, 2010, 27(2): 1716-1720. (in Chinese)

[14] [14] Bolz J, Farmer I, Grinspun E, et al. Sparse matrix solvers on the GPU:conjugate gradients and multigrid [J]. ACM Transactions on Graphics (TOG), 2003, 22(3): 917-924.

[15] [15] Wang Xin, Zang Bin, Cao Xu, et al. Acceleration of early-photon fluorescence molecular tomography with graphics processing units [J]. Computational & Mathematical Methods in Medicine, 2013, 9(1): 84-104.

[16] [16] Peng Kuan, Gao Xinbo, Qu Xiaochao, et al. Graphics processing unit parallelaccelerated solution of the discrete ordinates for photon transport in biological tissues. [J]. Applied Optics, 2011, 50(21): 3808-3823.