메뉴 건너뛰기




Volumn 28, Issue 11-12, 2002, Pages 1521-1534

The effects of digitization on the elastographic signal-to-noise ratio

Author keywords

Correlation coefficient; Digitization; Elastography; Quantization; Sampling; SNR; Ultrasound

Indexed keywords

ANALOG TO DIGITAL CONVERSION; TISSUE; ULTRASONICS;

EID: 0036865949     PISSN: 03015629     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-5629(02)00652-X     Document Type: Article
Times cited : (19)

References (32)
  • 4
    • 0023295449 scopus 로고
    • Coherence and time delay estimation
    • Carter G.C. Coherence and time delay estimation. Proc IEEE. 75:(2):1987;236-255.
    • (1987) Proc IEEE , vol.75 , Issue.2 , pp. 236-255
    • Carter, G.C.1
  • 6
    • 0027177373 scopus 로고
    • Reduction of image noise in elastography
    • Céspedes I., Ophir J. Reduction of image noise in elastography. Ultrason Imaging. 15:1993;89-102.
    • (1993) Ultrason Imaging , vol.15 , pp. 89-102
    • Céspedes, I.1    Ophir, J.2
  • 7
    • 0029124063 scopus 로고
    • Methods for estimation of subsample time delays of digitized echo signals
    • Céspedes I., Huang Y., Ophir J., Spratt S. Methods for estimation of subsample time delays of digitized echo signals. Ultrason Imaging. 17:1995;142-171.
    • (1995) Ultrason Imaging , vol.17 , pp. 142-171
    • Céspedes, I.1    Huang, Y.2    Ophir, J.3    Spratt, S.4
  • 9
    • 0030785945 scopus 로고    scopus 로고
    • The combined effect of signal decorrelation and random noise on the variance of time delay estimation
    • Céspedes I., Ophir J., Alam K.S. The combined effect of signal decorrelation and random noise on the variance of time delay estimation. IEEE Trans Ultrason Ferroelec Freq Control. 44:(1):1997;220-225.
    • (1997) IEEE Trans Ultrason Ferroelec Freq Control , vol.44 , Issue.1 , pp. 220-225
    • Céspedes, I.1    Ophir, J.2    Alam, K.S.3
  • 11
    • 0030680229 scopus 로고    scopus 로고
    • The nonstationary strain filter in elastography: Part II. Lateral and elevational decorrelation
    • Kallel F., Varghese T., Ophir J., Bilgen M. The nonstationary strain filter in elastography Part II. Lateral and elevational decorrelation . Ultrasound Med Biol. 23:(9):1997;1357-1369.
    • (1997) Ultrasound Med Biol , vol.23 , Issue.9 , pp. 1357-1369
    • Kallel, F.1    Varghese, T.2    Ophir, J.3    Bilgen, M.4
  • 12
    • 0016990291 scopus 로고
    • The generalized correlation method for estimation of time delay
    • Knapp C.H., Carter G.C. The generalized correlation method for estimation of time delay. IEEE Trans Acoust Speech Sig Proc. 24:1976;320-327.
    • (1976) IEEE Trans Acoust Speech Sig Proc , vol.24 , pp. 320-327
    • Knapp, C.H.1    Carter, G.C.2
  • 14
    • 0029278254 scopus 로고
    • Echographic image mean gray level changes with tissue dynamics: A system-based model study
    • Meunier J., Bertand M. Echographic image mean gray level changes with tissue dynamics A system-based model study . IEEE Trans Biomed Eng. 42:(4):1995;403-410.
    • (1995) IEEE Trans Biomed Eng , vol.42 , Issue.4 , pp. 403-410
    • Meunier, J.1    Bertand, M.2
  • 15
    • 44349099401 scopus 로고
    • Measurement of arterial wall motion using Fourier based speckle tracking algorithms
    • O'Donnell M., Skovoroda A.R., Shapo B.M. Measurement of arterial wall motion using Fourier based speckle tracking algorithms. Proc 1991 IEEE Ultrason Sympos. 2:1991;1101-1104.
    • (1991) Proc 1991 IEEE Ultrason Sympos , vol.2 , pp. 1101-1104
    • O'Donnell, M.1    Skovoroda, A.R.2    Shapo, B.M.3
  • 16
    • 0032619353 scopus 로고    scopus 로고
    • Elastography. Ultrasonic estimation and imaging of the elastic properties of tissues. Engineering in Medicine, Part HJ
    • Ophir J., Alam K.S., Garra B., et al. Elastography. Ultrasonic estimation and imaging of the elastic properties of tissues. Engineering in Medicine, Part HJ. Proc Inst Mech Eng. 213:1999;203-233.
    • (1999) Proc Inst Mech Eng , vol.213 , pp. 203-233
    • Ophir, J.1    Alam, K.S.2    Garra, B.3
  • 17
    • 0030069989 scopus 로고    scopus 로고
    • Elastography: Ultrasonic imaging of tissue strain and elastic modulus in vivo
    • Ophir J, Céspedes I, Garra B, et al. Elastography: Ultrasonic imaging of tissue strain and elastic modulus in vivo. Eur J Ultrasound 1996;49-70.
    • (1996) Eur J Ultrasound , pp. 49-70
    • Ophir, J.1    Céspedes, I.2    Garra, B.3
  • 18
    • 0025806883 scopus 로고
    • Elastography: A quantitative method for imaging the elasticity of biological tissues
    • Ophir J., Céspedes I., Ponnekanti H., Yazdi Y., Li X. Elastography A quantitative method for imaging the elasticity of biological tissues . Ultrason Imaging. 13:1991;111-134.
    • (1991) Ultrason Imaging , vol.13 , pp. 111-134
    • Ophir, J.1    Céspedes, I.2    Ponnekanti, H.3    Yazdi, Y.4    Li, X.5
  • 20
    • 0019581450 scopus 로고
    • An overview on the time delay estimate in active and passive systems for target localization
    • Quazi A.H. An overview on the time delay estimate in active and passive systems for target localization. IEEE Trans Acoust Speech Sig Proc. 29:1981;527-533.
    • (1981) IEEE Trans Acoust Speech Sig Proc , vol.29 , pp. 527-533
    • Quazi, A.H.1
  • 21
    • 0036222528 scopus 로고    scopus 로고
    • Estimating the elastographic signal-to-noise ratio using correlation coefficients
    • Srinivasan S., Kallel F., Ophir J. Estimating the elastographic signal-to-noise ratio using correlation coefficients. Ultrasound Med Biol. 28:(3):2002;359-368.
    • (2002) Ultrasound Med Biol , vol.28 , Issue.3 , pp. 359-368
    • Srinivasan, S.1    Kallel, F.2    Ophir, J.3
  • 22
    • 0347578421 scopus 로고    scopus 로고
    • Properties of acoustical speckle in the presence of phase aberration. Part I -First order statistics
    • Trahey G.E., Smith S.W. Properties of acoustical speckle in the presence of phase aberration. Part I -First order statistics. Ultrason Imaging. 10:1998;29-51.
    • (1998) Ultrason Imaging , vol.10 , pp. 29-51
    • Trahey, G.E.1    Smith, S.W.2
  • 23
    • 0030736520 scopus 로고    scopus 로고
    • Enhancement of echo-signal correlation in elastography using temporal stretching
    • Varghese T., Ophir J. Enhancement of echo-signal correlation in elastography using temporal stretching. IEEE Trans Ultrason Ferroelec Freq Control. 44:(1):1997;173-180.
    • (1997) IEEE Trans Ultrason Ferroelec Freq Control , vol.44 , Issue.1 , pp. 173-180
    • Varghese, T.1    Ophir, J.2
  • 24
    • 0030695411 scopus 로고    scopus 로고
    • The nonstationary strain filter in elastography: Part I. Frequency dependent attenuation
    • Varghese T., Ophir J. The nonstationary strain filter in elastography Part I. Frequency dependent attenuation . Ultrasound Med Biol. 23:(9):1997;1343-1356.
    • (1997) Ultrasound Med Biol , vol.23 , Issue.9 , pp. 1343-1356
    • Varghese, T.1    Ophir, J.2
  • 25
    • 0030734228 scopus 로고    scopus 로고
    • A theoretical framework for performance characterization of elastography: The strain filter
    • Varghese T., Ophir J. A theoretical framework for performance characterization of elastography The strain filter . IEEE Trans Ultrason Ferroelec Freq Control. 44:(1):1997;164-172.
    • (1997) IEEE Trans Ultrason Ferroelec Freq Control , vol.44 , Issue.1 , pp. 164-172
    • Varghese, T.1    Ophir, J.2
  • 26
    • 0034971729 scopus 로고    scopus 로고
    • Phase aberration effects in elastography
    • Varghese T., Bilgen M., Ophir J. Phase aberration effects in elastography. Ultrasound Med Biol. 27:(6):2001;819-827.
    • (2001) Ultrasound Med Biol , vol.27 , Issue.6 , pp. 819-827
    • Varghese, T.1    Bilgen, M.2    Ophir, J.3
  • 27
    • 0034508886 scopus 로고    scopus 로고
    • Direct strain estimation in elastography using spectral cross-correlation
    • Varghese T., Konofagou E.E., Ophir J., Alam S.K., Bilgen M. Direct strain estimation in elastography using spectral cross-correlation. Ultrasound Med Biol. 26:(9):2000;1525-1537.
    • (2000) Ultrasound Med Biol , vol.26 , Issue.9 , pp. 1525-1537
    • Varghese, T.1    Konofagou, E.E.2    Ophir, J.3    Alam, S.K.4    Bilgen, M.5
  • 28
    • 0029272023 scopus 로고
    • A fundamental limit on delay estimation using partially correlated speckle signals
    • Walker F.H., Trahey E.G. A fundamental limit on delay estimation using partially correlated speckle signals. IEEE Trans Ultrason Ferroelec Freq Control. 42:1995;301-308.
    • (1995) IEEE Trans Ultrason Ferroelec Freq Control , vol.42 , pp. 301-308
    • Walker, F.H.1    Trahey, E.G.2
  • 29
    • 0020736051 scopus 로고
    • Fundamental limitations in passive time delay estimation - Part I: Narrow-band systems
    • Weinstein E., Weiss A. Fundamental limitations in passive time delay estimation - Part I Narrow-band systems . IEEE Trans Acoust Speech Sig Proc. 31:(2):1984;472-485.
    • (1984) IEEE Trans Acoust Speech Sig Proc , vol.31 , Issue.2 , pp. 472-485
    • Weinstein, E.1    Weiss, A.2
  • 30
    • 0021515775 scopus 로고
    • Fundamental limitations in passive time delay estimation - Part I: Wide-band systems
    • Weinstein E., Weiss A. Fundamental limitations in passive time delay estimation - Part I Wide-band systems . IEEE Trans Acoust Speech Sig Proc. 31:(5):1984;1064-1078.
    • (1984) IEEE Trans Acoust Speech Sig Proc , vol.31 , Issue.5 , pp. 1064-1078
    • Weinstein, E.1    Weiss, A.2
  • 31
    • 0032794367 scopus 로고    scopus 로고
    • Intervening attenuation affects first-order statistical properties of ultrasound echo signals
    • Zagzebski J.A., Chen J.F., Dong F., Wilson T. Intervening attenuation affects first-order statistical properties of ultrasound echo signals. IEEE Trans Ultrason Ferroel Freq Control. 46:(1):1999;35-40.
    • (1999) IEEE Trans Ultrason Ferroel Freq Control , vol.46 , Issue.1 , pp. 35-40
    • Zagzebski, J.A.1    Chen, J.F.2    Dong, F.3    Wilson, T.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.