[25a-D113-1~11] 2.4 Medical application

△ [25a-D113-3] Interpolating scattered X-ray correction method with simple experiment and calculation

〇Hiroya Kuniwake¹, Junichiro Nishikawa¹, Ikuo Kanno¹, Kohei Shimomura² (1.Kyoto Univ., 2.Kyoto College of Med. Sci.)

Keywords:X-ray, Computed Tomography

We performed energy-resolved X-ray computed tomography using a planar transXend detector, and obtained the linear attenuation coefficient as a function of the energy of X-rays, which made it possible to identify substances. However, a human-sized subject is strongly affected by scattered X-rays, and the linear attenuation coefficient cannot be obtained accurately, making it difficult to identify the substance. In this study, we report a method of performing scattering correction by interpolation using a subject for scattering correction whose size are smaller / larger than the main subject.