[1] Hounsfield, G. N. Computerized transverse axial scanning (tomography): Part 1. Description of system[J]. The British Journal of Radiology, 1973, 46(552):1016-1022. PubMed
[2] Wang Qi, Chen Zhiqiang, Wu Xiaoping, et al. Overview of X-ray safety inspection technology [J]. CT Theory and Application Research, 2004,13 (1): 32-37. WanFang
[3] Han Xinxin, Zhang Yun, Liu Wei, et al. Application of dual-energy CT in diagnosis and treatment of gout [J] .Chinese Journal of Clinical Immunology and Allergy, 2017,11 (04): 370-374. WanFang
[4] Primak A N , Fletcher J G , Vrtiska T J , et al. Noninvasive Differentiation of Uric Acid versus Non–Uric Acid Kidney Stones Using Dual-Energy CT[J]. Academic Radiology, 2007, 14(12):1441-1447. PubMed
[5] Foti Giovanni, Catania Matteo, Caia Simone, etal. Identification of bone marrow edema of the ankle: diagnostic accuracy of dual-energy CT in comparison with MRI.[J]. La Radiologia medica,2019,124(10). PubMed
[6] Lin Xiaozhu, Li Weixia, Zhu Yanbo, et al. Preliminary Application of Gem Energy Spectrum CT in Tumor Diagnosis [J]. Journal of Diagnostics Theory and Practice, 2010,9 (2): 155-160. WanFang
[7] Tian Shifeng, Liu Ailian, Wang Heqing, et al. Diagnostic value of single-source dual-energy CT iodine base map for early gastric cancer [J] .Chinese Journal of Clinicians (Electronic Edition), 2016,10 (23): 3674-3677. Baidu Scholar
[8] Chae E J , Song J W , Seo J B , et al. Clinical Utility of Dual-Energy CT in the Evaluation of Solitary Pulmonary Nodules: Initial Experience[J]. Radiology, 2008, 249(2):671-681. PubMed
[9] Chae E J , Song J W , Krauss B , et al. Dual-energy Computed Tomography Characterization of Solitary Pulmonary Nodules[J]. Journal of Thoracic Imaging, 2010, 25(4):301-310. PubMed
[10] Ren Qingguo, Hua Yanqing, Li Jianying.The basic principle and clinical application of CT energy spectrum imaging [J] .International Journal of Medical Radiology, 2011,34 (06): 559-563. WanFang
[11]Johnson T R.Dual-energy CT:general principles[J].Am J Roentgenol,2012,199(5Suppl):S3-S8.PubMed
[12] KRY S F, BEDNARZ B, HOWELL R M, et al. AAPM TG158: measurement and calculation of doses outside the treated volume from external-beam radiation therapy[J]. Med Phys, 2017, 44(10): e391-e429. PubMed
[13] Dai Xiangkun, Wang Yunlai, Feng Linchun, et al. Research on MVCT images of spiral tomography accelerator used for head and neck dose calculation [J] .Chinese Journal of Medical Devices, 2014,38 (02): 141-144. WanFang
[14] Zhou Dingyi, Jiang Dazhen, Quan Hong, et al. The influence of four-dimensional CT scanning parameters and scanning modes on CT values [J] .Chinese Journal of Medical Physics, 2016,33 (09): 919-923. WanFang
[15] V. Grégoire, Mackie T R . State of the art on dose prescription, reporting and recording in Intensity-Modulated Radiation Therapy (ICRU report No. 83)[J]. Cancer/radiothérapie, 2011, 15(6-7):0-559. PubMed
[16] Tsunoo T , Torikoshi M , Sasaki M , et al. Distribution of Electron Density Using Dual-Energy X-Ray CT[J]. IEEE Transactions on Nuclear Science, 2003, 50(5):1678-1682. Baidu Scholar
[17]Hu Yimin. Radiation Physics [M]. Beijing: Atomic Energy Press, 1999. WanFang
[18] Zheng Peng, Hao Jia, Xing Yuxiang. Theoretical error analysis of dual-energy CT imaging base material decomposition method [J]. CT Theory and Application Research, 2011 (02): 3-12. WanFang
[19] Jiang Jie, He Bo, Zhang Jun, et al. Application value of dual-source CT dual-energy chest virtual flat scan [J]. Chinese Medical Imaging Technology, 2012 (04): 185-189. WanFang
[20] Yan Zhaoxian. Research on dual-energy CTA low radiation dose imaging of head and neck [D]. Guangzhou University of Chinese Medicine, 2015. WanFang
[21] Zhang Xintang, Shen Jin, Han Dan. The clinical value of dual-source CT dual-energy technology in the diagnosis of lung cancer [J]. Journal of Practical Radiology, 2013,29 (8): 1245-1248,1257. WanFang
[22] Li Mingying, Wang Guangli, Cui Dingye, et al. Preliminary study on classification of lung cancer by energy spectrum CT imaging [J]. Journal of Shandong University (Medical Edition), 2012, 50 (12): 73-76. WanFang
[23] Goodsitt M M , Christodoulou E G , Larson S C . Accuracies of the synthesized monochromatic CT numbers and effective atomic numbers obtained with a rapid kVp switching dual energy CT scanner[J]. Medical Physics, 2011, 38. PubMed
[24] Qi Zhenyu, Huang Shaomin, Deng Xiaowu. Calibration detection of CT value of radiotherapy plan and analysis of its influencing factors [J]. Cancer, 2006 (01): 110-114. PubMed
[25] Luo Shuqian, Zhou Guohong. Medical image processing and analysis [M]. Beijing: Science Press, 2010. WanFang
[26] Qin Wenjian. Research on key issues of medical image segmentation based on machine learning and its application in tumor diagnosis and treatment [D]. University of Chinese Academy of Sciences (Shenzhen Advanced Technology Research Institute of Chinese Academy of Sciences), 2019. WanFang
[27] Gao Liquan, Sun Xiaozhe, Liu Zhihui. Acquisition and correction of CT-electron density conversion curve and its effect on dose calculation of treatment plan [J]. Medical and Health Equipment, 2016, 37 (02): 103-105. WanFang
[28] Qin Jiaojiao. Research on the application of dual-energy CT (DECT) electron density image reconstruction technology [D]. Shandong University, 2018. WanFang
[29] Saito M . Potential of dual-energy subtraction for converting CT numbers to electron density based on a single linear relationship[J]. Medical Physics, 2012, 39(4):2021-2030. PubMed
[30] Hünemohr, Nora, Krauss B, et al. Experimental verification of ion stopping power prediction from dual energy CT data in tissue surrogates[J]. Physics in Medicine & Biology, 2014, 59(1):83-96. PubMed
[31] Bourque A E , Carrier J F , Bouchard H. A stoichiometric calibration method for dual energy computed tomography[J]. Physics in Medicine and Biology, 2014, 59(8):2059-2088. PubMed
[32] van Abbema Joanne K, van Goethem Marc-Jan, Greuter Marcel J W, etal. Relative electron density determination using a physics based parameterization of photon interactions in medical DECT.[J]. Physics in medicine and biology,2015,60(9):3825-3846. PubMed