ATTENUATION CORRECTION METHOD FOR SINGLE-PHOTON EMISSION CT.

Tatsuru Morozumi, Masato Nakajima, Koichi Ogawa, Shinichi Yuta

研究成果: Article

抜粋

A method is proposed to correct the gamma-ray attenuation for single-photon emission CT. The correction method utilizes the distribution of attenuation constant, which is inherent in the object, as the a priori priori information for the correction. In other words, the correction factor is computed for each pixel from the distribution of attenuation constant, by which the image is then multiplied to perform an iterative correction. It is shown by computer simulations that the proposed method is effective compared with the conventional methods, especially in the application to the object with large variation of attenuation constant.

元の言語English
ページ(範囲)53-59
ページ数7
ジャーナルSystems, computers, controls
14
発行部数5
出版物ステータスPublished - 1983 1 1

ASJC Scopus subject areas

  • Engineering(all)

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  • これを引用

    Morozumi, T., Nakajima, M., Ogawa, K., & Yuta, S. (1983). ATTENUATION CORRECTION METHOD FOR SINGLE-PHOTON EMISSION CT. Systems, computers, controls, 14(5), 53-59.