[1] Ma Jiming, Zhang Jianqi, Song Guzhou, et al.. Total variation constrained iterative filtered backprojection CT reconstruction method[J]. Acta Optica Sinica, 2015, 35(2): 0234002.
[2] Kyriakou Y, Prell D, Kalender W A. Ring artifact correction for high-resolution micro CT[J]. Physics in Medicine and Biology, 2009, 54(17): 385-391.
[3] Anas E M A, Kim J G, Lee S Y, et al.. Comparison of ring artifact removal methods using flat panel detector based CT images[J]. Biomedical Engineering Online, 2011, 10(1): 72.
[4] Mao Lingtao, Fu-pen Chiang, Yuan Zexun. Three-dimensional displacement measurement in solid using digital volumetric speckle photography based on computer tomography[J]. Acta Optica Sinica, 2015, 35(3): 0312001.
[5] Seibert J A, Boone J M, Lindfors K K. Flat-field correction technique for digital detectors[C]. SPIE, 1998, 3336: 348-354.
[6] Zhu Y L, Zhao M L, Li H W, et al.. Micro-CT artifacts reduction based on detector random shifting and fast data inpainting[J]. Medical Physics, 2013, 40(3): 031114.
[7] Ashrafuzzaman A N M, Lee S Y, Hasan M K. A self-adaptive approach for the detection and correction of stripes in the sinogram: Suppression of ring artifacts in CT imaging[J]. EURASIP Journal on Advances in Signal Processing, 2011: 183547.
[8] Prell D, Kyriakou Y, Kalender W A. Comparison of ring artifact correction methods for flat-detector CT[J]. Physics in Medicine and Biology, 2009, 54(12): 3881-3895.
[9] Sijbers J, Postnov A. Reduction of ring artifacts in high resolution micro-CT reconstructions[J]. Physics in Medicine and Biology, 2004, 49(14): 247-254.
[10] Jha D, Srensen H O, Dobberschütz S, et al.. Adaptive center determination for effective suppression of ring artifacts in tomography images[J]. Applied Physics Letters, 2014, 105(14): 143107.
[11] Anas E M A, Kim J G, Lee S Y, et al.. High-quality 3D correction of ring and radiant artifacts in flat panel detector-based cone beam volume CT imaging[J]. Physics in Medicine and Biology, 2011, 56(19): 6495-6519.
[12] Zhang D H, Ning R L, Chen B, et al.. Accurate and efficient calibration method for a selenium flat-panel-detector-based volume tomographic angiography imaging system[C]. SPIE, 1999, 3659: 626-636.
[13] Tang X Y, Ning R L, Yu R F, et al.. Cone beam volume CT image artifacts caused by defective cells in X-ray flat panel imagers and the artifact removal using a wavelet-analysis-based algorithm[J]. Medical Physics, 2001, 28(5): 812-825.
[14] Park C J, Lee H K, Song W Y, et al.. Defective pixel map creation based on wavelet analysis in digital radiography detectors[J]. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2011, 634(1): 101-105.
[15] Altunbas C, Lai C J, Zhong Y C, et al.. Reduction of ring artifacts in CBCT: Detection and correction of pixel gain variations in flat panel detectors[J]. Medical Physics, 2014, 41(9): 091913.
[16] Blinov N N, Vasil'ev V N, Gromov G D, et al.. Effect of the anode current of an X-ray tube on the intensity and energy spectrum of its radiation[J]. Biomedical Engineering, 1984, 18(3): 96-99.
[17] Wischmann H A, Luijendijk H A, Meulenbrugge H J, et al.. Correction of amplifier nonlinearity, offset, gain, temporal artifacts, and defects for flat-panel digital imaging devices[C]. SPIE, 2002, 4682: 427-437.
[18] Chen Jiaoze. Research on characteristics of the photodiode detector in industrial computed tomography[D]. Chongqing: Chongqing University, 2011.
[19] Nelms D W, Shukla H I, Nixon E, et al.. Assessment of three dead detector correction methods for cone-beam computed tomography[J]. Medical Physics, 2009, 36(10): 4569-4576.
[20] Zhang Guoqiang, Zhou Hu, He You, et al.. Ring artifacts correction of computerized tomography image based on polar-coordinate transform[J]. Acta Optica Sinica, 2012, 32(5): 0534001.
