Multi energy spectral CT imaging method by a general CdTe energy integrating type flat panel detector

Kosuke Kimura; Yukino Imura; Tsuyoshi Terao; Katsuyuki Takagi; Toru Aoki; Ryuji Okunoyama

doi:10.1117/12.2568336

20 August 2020 Multi energy spectral CT imaging method by a general CdTe energy integrating type flat panel detector

Kosuke Kimura, Yukino Imura, Tsuyoshi Terao, Katsuyuki Takagi, Toru Aoki, Ryuji Okunoyama

Proceedings Volume 11494, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII; 114941B (2020) https://doi.org/10.1117/12.2568336
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Conference Poster

Abstract

Dual-energy CT (DECT) system can provide beneficial CT maps for inspection. To improve material discrimination capability, rich energy information is needed. Moreover, simple equipment is good for generalize DECT system. In this study, we proposed multi energy spectral CT imaging method by a general x-ray tube and a general CdTe energy integrating type flat panel detector (FPD). In the proposed method, x-ray incident to a side of FPD to acquire various energetically distinct datasets. CT images which applied image domain and projection domain subtraction methods were evaluated.

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Kosuke Kimura, Yukino Imura, Tsuyoshi Terao, Katsuyuki Takagi, Toru Aoki, and Ryuji Okunoyama "Multi energy spectral CT imaging method by a general CdTe energy integrating type flat panel detector", Proc. SPIE 11494, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII, 114941B (20 August 2020); https://doi.org/10.1117/12.2568336

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