日本計算工学会論文集
Online ISSN : 1347-8826
ISSN-L : 1344-9443
超音波画像肝組織性状診断エキスパートシステムの構築
西 恭一小川 眞広荻原 裕樹藤根 里抄星野 和義大谷 利勝小野 良樹荒川 泰行
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2003 年 2003 巻 p. 20030028

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The use of the ultrasound-imaging platform in medical facilities has significantly increased in recent years due to its superior capability, namely high resolution, less damage to the human body and so on. Though the doctors diagnose a tissue characterization of a liver by observing an image obtained by ultrasound, a diagnostic result seems to make a difference according to experience of doctors. Therefore a quantitative analysis method concerning ultrasonography is required. This paper proposes a CAD (Computer Aided Diagnosis) by an expert system, which has two mechanisms of estimation (Type I: inside roughness, Type II: edge angle). After the effectiveness of Type I and II are confirmed respectively, an estimation combined with two Types is applied to three kinds of condition of the liver, namely normal, chronic hepatitis and liver cirrhosis. As a result, three conditions are exactly recognized and our proposed system is suitable for estimating the tissue characterization of the liver.
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© 2003 The Japan Society For Computational Engineering and Science
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