Using Scattered X-Rays to Improve the Estimation Accuracy of Attenuation Coefficients: A Fundamental Analysis

• 資料種別: 記事
• タイトル: Using Scattered X-Rays to Improve the Estimation Accuracy of Attenuation Coefficients: A Fundamental Analysis
• 著者標目: TODA Naohiro; NAKAGAMI Tetsuya; YAMAZAKI Yoichi; YOSHIOKA Hiroki; KOYAMA Shuji
• 出版年月日等: 2018-07-01
• 出版年（W3CDTF）: 2018-07-01
• タイトル（掲載誌）: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
• 巻号年月日等（掲載誌）: E101.A 7
• 掲載巻: E101.A
• 掲載号: 7
• 掲載ページ: 1101-1114
• 掲載年月日（W3CDTF）: 2018-07-01
• ISSN（掲載誌）: 09168508; 17451337
• 出版事項（掲載誌）: The Institute of Electronics, Information and Communication Engineers
• 本文の言語コード: en
• 件名標目: X-ray CT; scattered X-rays; accuracy; Monte Carlo simulation; Cramer-Rao lower bound; Scattered X-rays; Accuracy
• 対象利用者: 一般
• DOI: 10.1587/transfun.e101.a.1101; https://doi.org/10.1587/transfun.e101.a.1101
• 関連情報（URI）: http://id.nii.ac.jp/1166/00003667/; https://www.jstage.jst.go.jp/article/transfun/E101.A/7/E101.A_1101/_pdf
• 参照: Improvement of CT Reconstruction Using Scattered X-Rays; https://cir.nii.ac.jp/crid/1390288912170044800
• 参照: Patient-specific scatter correction for flat-panel detector-based cone-beam CT imaging; https://cir.nii.ac.jp/crid/1360011144853637376; Fast Model-Based X-Ray CT Reconstruction Using Spatially Nonhomogeneous ICD Optimization; https://cir.nii.ac.jp/crid/1360011144919030656; Characterization of scattered radiation in kV CBCT images using Monte Carlo simulations; https://cir.nii.ac.jp/crid/1360292618491728256; Measurement of scattered radiation in a volumetric 64-slice CT scanner using three experimental techniques; https://cir.nii.ac.jp/crid/1360855568811776000; Scatter correction for cone‐beam CT in radiation therapy; https://cir.nii.ac.jp/crid/1360855569921188480; Projection correlation based view interpolation for cone beam CT: primary fluence restoration in scatter measurement with a moving beam stop array; https://cir.nii.ac.jp/crid/1360855570452879232; A practical cone-beam CT scatter correction method with optimized Monte Carlo simulations for image-guided radiation therapy; https://cir.nii.ac.jp/crid/1360855570933704960; Alternating Minimization Algorithms for Transmission Tomography; https://cir.nii.ac.jp/crid/1360855571051413504; Inversion of the star transform; https://cir.nii.ac.jp/crid/1360855571375952000; Inversion of the broken ray transform in the case of energy-dependent attenuation; https://cir.nii.ac.jp/crid/1361418519092235264; Efficient scatter distribution estimation and correction in CBCT using concurrent Monte Carlo fitting; https://cir.nii.ac.jp/crid/1361418521167368064; Maximum-likelihood dual-energy tomographic image reconstruction; https://cir.nii.ac.jp/crid/1361699996069255040; The Examination of Internal Tissues, using Gamma-ray Scatter with a Possible Extension to Megavoltage Radiography; https://cir.nii.ac.jp/crid/1361981469992698880; Scattered Radiation Emission Imaging: Principles and Applications; https://cir.nii.ac.jp/crid/1361981470442365312; New properties of the V-line Radon transform and their imaging applications; https://cir.nii.ac.jp/crid/1362825895333336064; Computed Tomography: Principles, Design, Artifacts, and Recent Advances; https://cir.nii.ac.jp/crid/1363107370959186432; Compton scattering tomography; https://cir.nii.ac.jp/crid/1363388844810583296; Model-based iterative reconstruction for reduction of radiation dose in abdominopelvic CT: comparison to adaptive statistical iterative reconstruction; https://cir.nii.ac.jp/crid/1363388845908658560; Recent Developments on Compton Scatter Tomography: Theory and Numerical Simulations; https://cir.nii.ac.jp/crid/1363670318668712960; Efficiency of antiscatter grids for flat-detector CT; https://cir.nii.ac.jp/crid/1363670319525008256; Hybrid scatter correction for CT imaging; https://cir.nii.ac.jp/crid/1363670320377090048; The EGS5 Code System; https://cir.nii.ac.jp/crid/1363951793945843968; A three‐dimensional statistical approach to improved image quality for multislice helical CT; https://cir.nii.ac.jp/crid/1364233269404014464; Compton scatter imaging of transverse sections: an overall appraisal and evaluation for radiotherapy planning; https://cir.nii.ac.jp/crid/1364233270557270272; Effects of scattered X-rays on CT images; https://cir.nii.ac.jp/crid/1364233271174066688
• 連携機関・データベース: 国立情報学研究所 : CiNii Research; https://cir.nii.ac.jp/
• 提供元機関・データベース: Japan Link Center; https://japanlinkcenter.org/top; 学術機関リポジトリデータベース; https://irdb.nii.ac.jp; Crossref; https://www.crossref.org; CiNii Articles
• NII論文ID: 120006521434; 130007386689

• 要約等: <p>In X-ray computed tomography, scattered X-rays are generally removed by using a post-patient collimator located in front of the detector. In this p...