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Automatic and Quantitative Diagnosis of Intracranial Lesions by Computerized Tomography: For extracting more Information from Absorption Coefficients:Part 1. System Analysis and Histogram Study Yasuichi UEDA 1 1Department of Neurosurgery, Dokkyo University School of Medicine Keyword: Computerized tomography , Histographic analysis , Absorption coefficients , Quantitative diagnosis pp.767-780
Published Date 1978/8/10
DOI https://doi.org/10.11477/mf.1436200853
  • Abstract
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The purpose of the study is the establishment of the principle of automatic and quantitative diagnosis of the intracranial lesions using x-ray absorption coefficients in CT scan.

SIRETOM I, the first generation CT scanner made by Siemens Company, was used for this study. The absorption (attenuation) coefficients (%) of the scanner which was originally displayed in TV monitor, was converted into the Hounsfield Units (±1000 H. U.). The calculation was performed directly by CT system computor.


Copyright © 1978, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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