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電阻抗成像測量數(shù)據(jù)中互易性噪聲的消除

杜巖

杜巖. 電阻抗成像測量數(shù)據(jù)中互易性噪聲的消除[J]. 電子與信息學(xué)報, 2001, 23(12): 1333-1339.
引用本文: 杜巖. 電阻抗成像測量數(shù)據(jù)中互易性噪聲的消除[J]. 電子與信息學(xué)報, 2001, 23(12): 1333-1339.
Du Yan. ELIMINATION OF THE RECIPROCITY NOISES IN MEASURED DATA FOR ELECTRICAL IMPEDANCE TOMOGRAPHY SYSTEM[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1333-1339.
Citation: Du Yan. ELIMINATION OF THE RECIPROCITY NOISES IN MEASURED DATA FOR ELECTRICAL IMPEDANCE TOMOGRAPHY SYSTEM[J]. Journal of Electronics & Information Technology, 2001, 23(12): 1333-1339.

電阻抗成像測量數(shù)據(jù)中互易性噪聲的消除

ELIMINATION OF THE RECIPROCITY NOISES IN MEASURED DATA FOR ELECTRICAL IMPEDANCE TOMOGRAPHY SYSTEM

  • 摘要: 該文提出了電阻抗成像系統(tǒng)一般的電壓數(shù)據(jù)合成方法,在此基礎(chǔ)上進一步提出了徹底消除電壓測量數(shù)據(jù)中互易性噪聲的方法,該方法適用于處理任何多驅(qū)動源情況下的電壓測量數(shù)據(jù),仿真試驗表明該方法可以有效地降低采集數(shù)據(jù)中的噪聲,可以顯著改善重建圖像的質(zhì)量。
    Abstract: In this paper, a general method for synthesizing the voltage data in electrical impedance tomography is presented. Based on this, a method for eliminating the reciprocity noises in measured voltages is proposed. This method can be used to eliminate the reciprocity noises in measured voltages in any multi-source case. Simulation test shows this method can decrease the noises in measured voltages effectively and can improve the quality of reconstruction image notably.
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  • A.P. Caldero, On an inverse boundary problem, Seminar on Numerical Analysis and its Applications to Continuum Physics, Soc. Brasileria de Matematica, Rio de Janerio, 1980, 65-73.[2]D. Isaacson, Distinguishability of conductivities by electric current computed tomography, IEEE Trans. on Med. Imaging, 1986, MI-5(1), 91-95.[3]D.G. Gisser, et al., Current topics in impedance imaging, Clin. Phys. Phsiol. Meas. 1987, 8,Suppl. A, 39-46.[4]P. Hua, et al., Improved method to determine optimal current in electrical impedance tomography,IEEE Trans. on Med. Imaging, 1992 , MI-11(4), 488-495.E. Woo, et al., Walsh function current pattern and data synthesis for electrical impedance tomography. IEEE Trans. on Med. Imaging, 1992 , MI-11(4), 554-559.[5]J. Rosell, P. Riu, R. Pallas-Areny, A parallel data acquisition system for electrical impedance tomography, Proc. Annu. Int. Conf. IEEE Eng. in Med. and Bio. Soc., vol.11, 1998, 459-460.[6]杜巖,柳重堪,程吉寬,等,基于連續(xù)插值逼近的電阻抗成像的圖像重建算法,電子科學(xué)學(xué)刊,1997,19(6), 797 802.[7]杜巖,程吉寬,柳重堪,用組合變尺度法求解電阻抗成像問題,中國生物醫(yī)學(xué)工程學(xué)報,1997,16(2),167-173.
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出版歷程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2001-12-19

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