[1] [1] XIA Tian, ZHANG Xue-long, MA Jun-shan, et al. Effect of spatial coherence and in incident x-ray photon energies on clinical x-ray in-line phase-contrast imaging［J］. Acta Photonica Sinica, 2011, 40(4): 627-635.

[2] [2] ZHENG Zhi-jie. Conditional probability statistical distributions in variant measurement simulations［J］. Acta Photonica Sinica, 2011, 40(11): 1662-1666.

[4] [4] MA Qing-li, TANG Shi-biao, XU Shi-min, et al. Cross-talk in scintinllating fibe array detector irradiated by high-enrgy X-ray［J］. Acta Photonica Sinica, 2011, 40(11): 1751-1754.

[5] [5] BEKAERT V, BRASSE D. Determination of the analytical point spread function of a pinhole aperture SPECT system［J］. IEEE Nuclear Science Symposium Conference Resord, 2004: 2565-2569.

[6] [6] LIU Shi-tao, XU Zi-zong, WANG Zhao-min, et al. Point spread functions for a small gamma camera with pinhole collimator［J］. Nuclear Science and Techniques, 2003, 14(3): 195-198.

[7] [7] JAMES H, ELDER Z, STEVER W. Local scale control for edge detection and blur estimation［J］. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1998, 20(7): 699-716.

[8] [8] MARK B, WILLIAMS. Investigation of efficiency and spatial resolution using pinholes with small pinhole angle［J］. IEEE Transactions on nuclear science, 2003, 50(5): 1562-1568.

[9] [9] AGOSTINELLI S. Geant4-a simulation toolkit［J］. Nuclear Instrument and Method A, 2003, 506: 250.

[10] [10] Physics Reference Manual at the Geant4. available from: http: //geant4.web.cern.ch/geant4.

[11] [11] Bicron Corporation web site, 2003. available from: http: //www.bicron.com.

[12] [12] NASSERI M M, MA Qing-li, et al. Low energy X-ray imaging using plastic scintillating fiber: A simulation study［J］. Nuclear Instrument and Method B, 2005, 234: 362-368.