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判別分析によるモアレ画像からの脊柱側彎症自動識別
http://hdl.handle.net/10228/1564
http://hdl.handle.net/10228/156414a36557-096b-4d9b-a9ca-2169c0978eb4
名前 / ファイル | ライセンス | アクション |
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kim_05.pdf (1.1 MB)
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Item type | 学術雑誌論文 = Journal Article(1) | |||||||||||
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公開日 | 2009-02-24 | |||||||||||
資源タイプ | ||||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
資源タイプ | journal article | |||||||||||
タイトル | ||||||||||||
言語 | ja | |||||||||||
タイトル | 判別分析によるモアレ画像からの脊柱側彎症自動識別 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Automatic Scoliosis Detection Based on Discriminant Analysis | |||||||||||
言語 | ||||||||||||
言語 | jpn | |||||||||||
著者 |
金, 亨燮
× 金, 亨燮
WEKO
402
× 石川, 聖二× 大塚, 嘉則× 清水, 尚× 中田, 康弘× 四宮, 孝史 |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | 本稿では,人背面モアレ像からの脊柱側彎症自動識別法について述べる。人背面モアレ像は正常例であればほぼ左右対称を示しているが,異常例ではモアレ縞のひずみによる左右非対称が現れる。そこで,脊柱側彎症のもつ非対称の特徴を利用して,モアレ画像から対称性解析を行うことにより,脊柱側彎症の自動識別を行う。提案法では,図形の近似的対称性解析法により対称基準を求め,対称基準を境とする左右領域内の重心位置のずれと濃度差の分布の違いを特徴量として求める。これらの特微量を正常例・異常例について求め,判別分析を行い,正常・異常の自動分類を行う。提案法を用いて1,200例の実モアレ画像に対して分類実験を行った結果, 84.72%の分類率が得られた。 | |||||||||||
言語 | ja | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | In this paper, we propose a technique for automatic scoliosis detection from moire topographic images. Normally the moire stripes show symmetry as a human body is almost symmetric. According to the progress of the deformity of a spine, asymmetry becomes larger. Numerical representation of the degree of asymmetry is therefore useful in evaluating the deformity. First, displacement of local centroids and difference of gray values are evaluated statistically between the left- and the right-hand side regions of the moire images with respect to the extracted middle line. We classify the moire images into two categories i.e., normal and abnormal cases from the features, employing discriminant analysis. An experiment was performed employing 1,200 moire images and 84.72% of the images were classified correctly. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
ja : バイオメディカル・ファジィ・システム学会誌 en : Journal of Biomedical Fuzzy Systems Association 巻 5, 号 1, p. 1-8, 発行日 2003-08-31 |
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出版社 | ||||||||||||
言語 | ja | |||||||||||
出版者 | バイオメディカル・ファジィ・システム学会 | |||||||||||
DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | https://doi.org/10.24466/jbfsa.5.1_1_2 | |||||||||||
CRID | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | https://cir.nii.ac.jp/crid/1390001204481137280 | |||||||||||
NCID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA1145146X | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | EISSN | |||||||||||
収録物識別子 | 2424-2578 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 1345-1537 | |||||||||||
著作権関連情報 | ||||||||||||
権利情報 | バイオメディカル・ファジィシステム学会. 本文データは学協会の許諾に基づきCiNiiから複製したものである | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | モアレ画像 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | 近似的対称性 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | 脊柱側彎症 | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | moire topographic images | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | approximate symmetry | |||||||||||
キーワード | ||||||||||||
主題Scheme | Other | |||||||||||
主題 | scoliosis | |||||||||||
出版タイプ | ||||||||||||
出版タイプ | VoR | |||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
査読の有無 | ||||||||||||
値 | yes | |||||||||||
業績ID | ||||||||||||
82B20F64BD5D87704925756700091B82 |