ISSN 1004-4140
CN 11-3017/P
Volume 23 Issue 6
Dec.  2014
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LIU Jin-hui. Experimental Study of CT Imaging Under Weak Signal for Luggage CT Inspection System[J]. CT Theory and Applications, 2014, 23(6): 931-938.
Citation: LIU Jin-hui. Experimental Study of CT Imaging Under Weak Signal for Luggage CT Inspection System[J]. CT Theory and Applications, 2014, 23(6): 931-938.

Experimental Study of CT Imaging Under Weak Signal for Luggage CT Inspection System

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  • Received Date: July 20, 2014
  • Available Online: December 09, 2022
  • The experimental study of CT imaging was carried out when the activity of radiation source is very low in the case of CT detection for luggage CT inspection system. The method of adding and averaging was used to reduce the effect of statistical fluctuation and noise. And the quality of CT image is improved. Experiments show that for weak signal conditions, using the method of adding and averaging, CT imaging has high quality and can realize property identification requirements. In addition, the A/D quantization error is also analyzed.

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