Abstract
Scatter is a serious problem in hydro-test with high-energy x-ray radiography and makes it difficult to reconstruct density distributions from radiographic images. A precise method to decrease the scatter impact is proposed. In this method, the shape of scatter distribution is obtained by Monte Carlo (MC) simulation and the overall scatter scale is determined by the mass constrain. We then applied the method to reconstruct a Computer-synthesized image of the French Test Object (FTO). The results show that our method works well and the scatter effect is removed almost completely. This method is a proper way to improve the diagnostic ability of the high-energy x-ray facility on hydro-test and weapon stockpile greatly.
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