Xavier Intes

Summary

Affiliation: University of Pennsylvania
Country: USA

Publications

  1. ncbi request reprint Projection access order in algebraic reconstruction technique for diffuse optical tomography
    Xavier Intes
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia 19104, USA
    Phys Med Biol 47:N1-10. 2002
  2. ncbi request reprint Probing rat brain oxygenation with near-infrared spectroscopy (NIRS) and magnetic resonance imaging (MRI)
    Yu Chen
    Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
    Adv Exp Med Biol 510:199-204. 2003
  3. ncbi request reprint Detection limit enhancement of fluorescent heterogeneities in turbid media by dual-interfering excitation
    Xavier Intes
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia 19104, USA
    Appl Opt 41:3999-4007. 2002
  4. ncbi request reprint In vivo continuous-wave optical breast imaging enhanced with Indocyanine Green
    Xavier Intes
    Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Med Phys 30:1039-47. 2003
  5. ncbi request reprint Diffuse optical tomography with physiological and spatial a priori constraints
    Xavier Intes
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
    Phys Med Biol 49:N155-63. 2004
  6. ncbi request reprint Correlation between near-infrared spectroscopy and magnetic resonance imaging of rat brain oxygenation modulation
    Yu Chen
    Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
    Phys Med Biol 48:417-27. 2003
  7. ncbi request reprint Development of high-sensitivity near-infrared fluorescence imaging device for early cancer detection
    Yu Chen
    Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
    Biomed Instrum Technol 39:75-85. 2005
  8. ncbi request reprint Adaptive calibration for object localization in turbid media with interfering diffuse photon density waves
    Yu Chen
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Appl Opt 41:7325-33. 2002
  9. ncbi request reprint Analysis on performance and optimization of frequency-domain near-infrared instruments
    Tao Tu
    University of Pennsylvania, Department of Electrical Engineering, Department of Biochemistry and Biophysics, Philadelphia, Pennsylvania 19104, USA
    J Biomed Opt 7:643-9. 2002
  10. ncbi request reprint Reconstruction of spatially resolved pharmacokinetic rate images of fluorescence agents in FDOT
    Burak Alacam
    Dept of Electrical Computer and Systems Engineering, Rensselaer Polytechnic Institute, Troy, New York 19102, USA
    Conf Proc IEEE Eng Med Biol Soc 1:5627-30. 2006

Detail Information

Publications15

  1. ncbi request reprint Projection access order in algebraic reconstruction technique for diffuse optical tomography
    Xavier Intes
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia 19104, USA
    Phys Med Biol 47:N1-10. 2002
    ..We show that by selecting proper projection access order, the convergence speed can be significantly improved when ART is used to perform DOT. Moreover, low-contrast detection is improved...
  2. ncbi request reprint Probing rat brain oxygenation with near-infrared spectroscopy (NIRS) and magnetic resonance imaging (MRI)
    Yu Chen
    Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
    Adv Exp Med Biol 510:199-204. 2003
  3. ncbi request reprint Detection limit enhancement of fluorescent heterogeneities in turbid media by dual-interfering excitation
    Xavier Intes
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia 19104, USA
    Appl Opt 41:3999-4007. 2002
    ..To detect the same inhomogeneity, less concentration and lifetime contrast is required with dual-interfering sources...
  4. ncbi request reprint In vivo continuous-wave optical breast imaging enhanced with Indocyanine Green
    Xavier Intes
    Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Med Phys 30:1039-47. 2003
    ..These results provide further evidence that in vivo pharmacokinetics of ICG in breast tumors may be a useful diagnostic tool for differentiation of benign and malignant pathologies...
  5. ncbi request reprint Diffuse optical tomography with physiological and spatial a priori constraints
    Xavier Intes
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
    Phys Med Biol 49:N155-63. 2004
    ..More accurate recovery of the two main functional parameters that are the blood volume and the relative saturation is demonstrated through simulations by using our method compared to actual techniques...
  6. ncbi request reprint Correlation between near-infrared spectroscopy and magnetic resonance imaging of rat brain oxygenation modulation
    Yu Chen
    Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia, PA 19104, USA
    Phys Med Biol 48:417-27. 2003
    ..A linear relationship with high correlation coefficient between the relative changes in the BOLD MRI signal and the NIRS signal is observed...
  7. ncbi request reprint Development of high-sensitivity near-infrared fluorescence imaging device for early cancer detection
    Yu Chen
    Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, USA
    Biomed Instrum Technol 39:75-85. 2005
    ..Also, this portable device would be complementary to x-ray mammography and provide add-on information on early diagnosis and localization of breast tumor...
  8. ncbi request reprint Adaptive calibration for object localization in turbid media with interfering diffuse photon density waves
    Yu Chen
    Department of Biophysics and Biochemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
    Appl Opt 41:7325-33. 2002
    ..Experimental data on human breast phantoms demonstrate that localization accuracy within several millimeters has been accomplished through this method...
  9. ncbi request reprint Analysis on performance and optimization of frequency-domain near-infrared instruments
    Tao Tu
    University of Pennsylvania, Department of Electrical Engineering, Department of Biochemistry and Biophysics, Philadelphia, Pennsylvania 19104, USA
    J Biomed Opt 7:643-9. 2002
    ..This kind of method can be used to design suitable instruments for various applications. We also analyze the selection of the instrument parameters to achieve optimal performance at an efficient cost using this analytical model...
  10. ncbi request reprint Reconstruction of spatially resolved pharmacokinetic rate images of fluorescence agents in FDOT
    Burak Alacam
    Dept of Electrical Computer and Systems Engineering, Rensselaer Polytechnic Institute, Troy, New York 19102, USA
    Conf Proc IEEE Eng Med Biol Soc 1:5627-30. 2006
    ....
  11. ncbi request reprint Extended kalman filtering for the modeling and analysis of ICG pharmacokinetics in cancerous tumors using NIR optical methods
    Burak Alacam
    Department of Electrical, Computer, and Systems Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
    IEEE Trans Biomed Eng 53:1861-71. 2006
    ..Our study indicates that, in addition to the pharmacokinetic rates, the EKF model may provide parameters that may be useful for tumor differentiation...
  12. ncbi request reprint Time-domain optical mammography SoftScan: initial results
    Xavier Intes
    Art, Advanced Research Technologies, Saint Laurent Quebec, Canada
    Acad Radiol 12:934-47. 2005
    ..In this study, the authors report quantitative measurements of these components and the functional contrast between healthy and diseased tissue...
  13. ncbi request reprint Diffuse optical tomography with a priori anatomical information
    Murat Guven
    Electrical, Computer, and Systems Engineering Department, Rensselaer Polytechnic Institute, Troy, NY, USA
    Phys Med Biol 50:2837-58. 2005
    ..Extensive numerical simulations demonstrate that the proposed method avoids undesirable bias towards anatomical prior information and leads to significantly improved spatial resolution and quantitative accuracy...
  14. doi request reprint Pharmacokinetic-rate images of indocyanine green for breast tumors using near-infrared optical methods
    Burak Alacam
    Department of Electrical, Computer, and Systems Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA
    Phys Med Biol 53:837-59. 2008
    ..Our study indicates that the pharmacokinetic-rate images may provide superior information than single set of pharmacokinetic rates estimated from the entire breast tissue for breast cancer diagnosis...
  15. ncbi request reprint Non-PET functional imaging techniques: optical
    Xavier Intes
    Biomedical Optical Imaging, Advanced Research Technologies ART, 2300 Alfred Nobel Boulevard, Saint Laurent, Quebec H4S 2A4, Canada
    Radiol Clin North Am 43:221-34, xii. 2005
    ..This is followed by a survey of the three main applications: brain imaging, muscle imaging, and breast imaging. Lastly, the future outlook of the technology is presented, highlighting the new promises based on recent breakthroughs...