[1] Rong J Y, Liu W L, Gao P et al. The review of scatter suppression methods in cone beam CT[J]. Computerized Tomography Theory and Applications, 25, 235-250(2016).

[2] Liu J B, Xi X Q, Han Y et al. A new scattering artifact correction method based on K-N formula for cone-beam computed tomography[J]. Acta Optica Sinica, 38, 1134001(2018).

[3] Zhang G Q, Zhou H, He Y et al. Ring artifacts correction of computerized tomography image based on polar-coordinate transform[J]. Acta Optica Sinica, 32, 0534001(2012).

[4] Chen S Y, Li L, Yan B et al. Ring artifacts correction method based on dynamic current for cone beam CT[J]. Acta Optica Sinica, 36, 0634001(2016).

[5] Boone J M, Arnold B A. A scatter correction algorithm for digitally acquired radiographs (SCADAR)[J]. Proceedings of SPIE, 535, 122-128(1985).

[6] Shen S Z, Bloomquist A K, Mawdsley G E et al. Effect of scatter and an antiscatter grid on the performance of a slot-scanning digital mammography system[J]. Medical Physics, 33, 1108-1115(2006). http://scitation.aip.org/content/aapm/journal/medphys/33/4/10.1118/1.2184445

[7] Siewerdsen J H, Moseley D J, Bakhtiar B et al. The influence of antiscatter grids on soft-tissue detectability in cone-beam computed tomography with flat-panel detectors[J]. Medical Physics, 31, 3506-3520(2004). http://europepmc.org/abstract/med/15651634

[8] Neitzel U. Grids or air gaps for scatter reduction in digital radiography: a model calculation[J]. Medical Physics, 19, 475-481(1992). http://europepmc.org/abstract/med/1584148

[9] Krol A, Bassano D A, Chamberlain C C et al. Scatter reduction in mammography with air gap[J]. Medical Physics, 23, 1263-1270(1996). http://scitation.aip.org/content/aapm/journal/medphys/23/7/10.1118/1.597869

[10] Persliden J, Carlsson G A. Scatter rejection by air gaps in diagnostic radiology. Calculations using a Monte Carlo collision density method and consideration of molecular interference in coherent scattering[J]. Physics in Medicine and Biology, 42, 155-175(1997). http://www.ncbi.nlm.nih.gov/pubmed/9015816

[11] Kwan A L, Boone J M, Shah N. Evaluation of X-ray scatter properties in a dedicated cone-beam breast CT scanner[J]. Medical Physics, 32, 2967-2975(2005). http://scitation.aip.org/content/aapm/journal/medphys/32/9/10.1118/1.1954908

[12] Mail N, Moseley D J, Siewerdsen J H et al. The influence of bowtie filtration on cone-beam CT image quality[J]. Medical Physics, 36, 22-32(2009). http://www.ncbi.nlm.nih.gov/pubmed/19235370

[13] Naimuddin S, Hasegawa B, Mistretta C A. Scatter-glare correction using a convolution algorithm with variable weighting[J]. Medical Physics, 14, 330-334(1987). http://onlinelibrary.wiley.com/doi/10.1118/1.596088/pdf

[14] Seibert J A, Boone J M. X-ray scatter removal by deconvolution[J]. Medical Physics, 15, 567-575(1988). http://scitation.aip.org/content/aapm/journal/medphys/15/4/10.1118/1.596208

[15] Zbijewski W, Beekman F J. Efficient Monte Carlo based scatter artifact reduction in cone-beam micro-CT[J]. IEEE Transactions on Medical Imaging, 25, 817-827(2006). http://ieeexplore.ieee.org/document/1644798/

[16] Poludniowski G, Evans P M, Hansen V N et al. An efficient Monte Carlo-based algorithm for scatter correction in keV cone-beam CT[J]. Physics in Medicine and Biology, 54, 3847-3864(2009). http://europepmc.org/abstract/MED/19491449

[17] Kyriakou Y, Riedel T, Kalender W A. Combining deterministic and Monte Carlo calculations for fast estimation of scatter intensities in CT[J]. Physics in Medicine and Biology, 51, 4567-4586(2006). http://www.ncbi.nlm.nih.gov/pubmed/16953043

[18] Ning R L, Tang X Y, Conover D. X-ray scatter correction algorithm for cone beam CT imaging[J]. Medical Physics, 31, 1195-1202(2004). http://www.ncbi.nlm.nih.gov/pubmed/15191309

[19] Li S L, Zhang L, Chen Z Q et al. X-ray scatter correction algorithm for 450 keV cone-beam CT system[J]. Nuclear Electronics & Detection Technology, 26, 908-911(2006).

[20] Cai W X, Ning R L, Conover D. Scatter correction using beam stop array algorithm for cone-beam CT breast imaging[J]. Proceedings of SPIE, 6142, 61423E(2006). http://spie.org/x648.html?product_id=655587

[21] Choi Y W, Choi J G, Kim Y S et al. Scatter characterization using a beam-stop-array algorithm for digital breast tomosynthesis[J]. Journal of the Korean Physical Society, 63, 2239-2246(2013). http://link.springer.com/article/10.3938/jkps.63.2239

[22] Maltz J S, Gangadharan B, Vidal M et al. Focused beam-stop array for the measurement of scatter in megavoltage portal and cone beam CT imaging[J]. Medical Physics, 35, 2452-2462(2008). http://scitation.aip.org/content/aapm/journal/medphys/35/6/10.1118/1.2924220

[23] Zhang L, Gao H W, Chen Z Q et al. Plate detetor cone-beam CT system: ring artifacts study andcorrection. C]∥5th National Conference on Nuclear Instruments and Its Applications, November 11-14, 2005, Haikou. [S.l.: s.n.], 199-200, 118(2005).

[24] Wang C X, Zeng L, Yu W. An analytic-iterative reconstruction algorithm for micro-and nano-CT[J]. Chinese Journal of Stereology and Image Analysis, 22, 299-306(2017).

[25] Zheng S C. Image quality of digital radiographic detection[J]. Nondestructive Testing Technology, 40, 14-17(2016).