Abbas Samani

Summary

Affiliation: University of Western Ontario
Country: Canada

Publications

  1. ncbi Cardiac MR elastography: comparison with left ventricular pressure measurement
    Thomas Elgeti
    Department of Radiology, Charite Universitatsmedizin Berlin, Campus Mitte, Chariteplatz 1, 10117 Berlin, Germany
    J Cardiovasc Magn Reson 11:44. 2009
  2. ncbi A method to measure the hyperelastic parameters of ex vivo breast tissue samples
    Abbas Samani
    Department of Medical Biophysics Electrical and Computer Engineering, University of Western Ontario, London, ON N6A 5C1, Canada
    Phys Med Biol 49:4395-405. 2004
  3. ncbi An inverse problem solution for measuring the elastic modulus of intact ex vivo breast tissue tumours
    Abbas Samani
    Department of Medical Biophysics Electrical and Computer Engineering, University of Western Ontario, London, Ontario, N6A 5C1, Canada
    Phys Med Biol 52:1247-60. 2007
  4. ncbi Elastic moduli of normal and pathological human breast tissues: an inversion-technique-based investigation of 169 samples
    Abbas Samani
    Department of Medical Biophysics Electrical and Computer Engineering, University of Western Ontario, Medical Sciences Building, London, Ontario, N6A 5C1, Canada
    Phys Med Biol 52:1565-76. 2007
  5. ncbi Measurement of the hyperelastic properties of tissue slices with tumour inclusion
    Joseph J O'Hagan
    Department of Electrical and Computer Engineering, University of Western Ontario, London, ON, Canada
    Phys Med Biol 53:7087-106. 2008
  6. ncbi Towards a biomechanics-based technique for assessing myocardial contractility: an inverse problem approach
    Cristian A Linte
    Imaging Research Laboratories, Robarts Research Institute, London, Canada
    Comput Methods Biomech Biomed Engin 11:243-55. 2008
  7. ncbi Nonrigid registration of three-dimensional ultrasound and magnetic resonance images of the carotid arteries
    Nuwan D Nanayakkara
    Imaging Research Laboratories, Robarts Research Institute, London, Ontario N6A 5K8, Canada
    Med Phys 36:373-85. 2009
  8. ncbi Measuring the elastic modulus of ex vivo small tissue samples
    Abbas Samani
    Department of Medical Biophysics, University of Toronto, 2075 Bayview Avenue, Toronto, Ontario, M4N 3M5, Canada
    Phys Med Biol 48:2183-98. 2003
  9. ncbi Measurement of lung hyperelastic properties using inverse finite element approach
    Ali Sadeghi Naini
    Department of Electrical and Computer Engineering, The University of Western Ontario, London, ON, N6A 3K7, Canada
    IEEE Trans Biomed Eng 58:2852-9. 2011
  10. ncbi A "twisting and bending" model-based nonrigid image registration technique for 3-D ultrasound carotid images
    Nuwan D Nanayakkara
    Imaging Research Laboratories, Robarts Research Institute and Graduate Program in Biomedical Engineering, The University of Western Ontario, London, ON N6A5K8, Canada
    IEEE Trans Med Imaging 27:1378-88. 2008

Collaborators

Detail Information

Publications22

  1. ncbi Cardiac MR elastography: comparison with left ventricular pressure measurement
    Thomas Elgeti
    Department of Radiology, Charite Universitatsmedizin Berlin, Campus Mitte, Chariteplatz 1, 10117 Berlin, Germany
    J Cardiovasc Magn Reson 11:44. 2009
    ..To compare magnetic resonance elastography (MRE) with ventricular pressure changes in an animal model...
  2. ncbi A method to measure the hyperelastic parameters of ex vivo breast tissue samples
    Abbas Samani
    Department of Medical Biophysics Electrical and Computer Engineering, University of Western Ontario, London, ON N6A 5C1, Canada
    Phys Med Biol 49:4395-405. 2004
    ..The features of the system are demonstrated with two samples of breast tissue and typical hyperelastic results are presented...
  3. ncbi An inverse problem solution for measuring the elastic modulus of intact ex vivo breast tissue tumours
    Abbas Samani
    Department of Medical Biophysics Electrical and Computer Engineering, University of Western Ontario, London, Ontario, N6A 5C1, Canada
    Phys Med Biol 52:1247-60. 2007
    ..These results indicate that the proposed method is robust and highly accurate. Furthermore, they indicate that a benign lesion and malignant tumours are roughly five times and ten times stiffer than normal breast tissues respectively...
  4. ncbi Elastic moduli of normal and pathological human breast tissues: an inversion-technique-based investigation of 169 samples
    Abbas Samani
    Department of Medical Biophysics Electrical and Computer Engineering, University of Western Ontario, Medical Sciences Building, London, Ontario, N6A 5C1, Canada
    Phys Med Biol 52:1565-76. 2007
    ..A statistical analysis showed that differences between the elastic modulus of the majority of those tissues were statistically significant. Implications for the specificity advantages of elastography are reviewed...
  5. ncbi Measurement of the hyperelastic properties of tissue slices with tumour inclusion
    Joseph J O'Hagan
    Department of Electrical and Computer Engineering, University of Western Ontario, London, ON, Canada
    Phys Med Biol 53:7087-106. 2008
    ..Moreover, we successfully applied these techniques to data we acquired from nine pathological breast tissue slice specimens where the goal was to determine the hyperelastic properties of the tumour within the breast tissue slices...
  6. ncbi Towards a biomechanics-based technique for assessing myocardial contractility: an inverse problem approach
    Cristian A Linte
    Imaging Research Laboratories, Robarts Research Institute, London, Canada
    Comput Methods Biomech Biomed Engin 11:243-55. 2008
    ..Our next objective will consist of validating this technique by showing the correlation between the presence of low contraction force patterns and poor myocardial functionality...
  7. ncbi Nonrigid registration of three-dimensional ultrasound and magnetic resonance images of the carotid arteries
    Nuwan D Nanayakkara
    Imaging Research Laboratories, Robarts Research Institute, London, Ontario N6A 5K8, Canada
    Med Phys 36:373-85. 2009
    ..Visual inspection of segmented vessel surfaces also showed a substantial improvement of alignment with this nonrigid registration technique compared to rigid registration...
  8. ncbi Measuring the elastic modulus of ex vivo small tissue samples
    Abbas Samani
    Department of Medical Biophysics, University of Toronto, 2075 Bayview Avenue, Toronto, Ontario, M4N 3M5, Canada
    Phys Med Biol 48:2183-98. 2003
    ..The tissue Young's modulus is then reconstructed from the measured displacements using an inversion technique. Finally, preliminary elasticity measurement results of various breast tissues are presented and discussed...
  9. ncbi Measurement of lung hyperelastic properties using inverse finite element approach
    Ali Sadeghi Naini
    Department of Electrical and Computer Engineering, The University of Western Ontario, London, ON, N6A 3K7, Canada
    IEEE Trans Biomed Eng 58:2852-9. 2011
    ....
  10. ncbi A "twisting and bending" model-based nonrigid image registration technique for 3-D ultrasound carotid images
    Nuwan D Nanayakkara
    Imaging Research Laboratories, Robarts Research Institute and Graduate Program in Biomedical Engineering, The University of Western Ontario, London, ON N6A5K8, Canada
    IEEE Trans Med Imaging 27:1378-88. 2008
    ..80 +/-0.26 mm using our nonrigid registration technique, which was a significant improvement in registration accuracy over rigid registration, even with reduced degrees-of-freedom compared to the other nonrigid registration algorithms...
  11. ncbi Statistical finite element method for real-time tissue mechanics analysis
    Seyed Reza Mousavi
    Department of Electrical and Computer Engineering, University of Western Ontario, London, Ontario, Canada
    Comput Methods Biomech Biomed Engin 15:595-608. 2012
    ..Average deformation errors of less than 2% demonstrate the accuracy of the proposed technique...
  12. ncbi Measuring the quasi-static Young's modulus of the eardrum using an indentation technique
    S Mohammad Hesabgar
    Department of Electrical and Computer Engineering, The University of Western Ontario, London, Ont, Canada
    Hear Res 263:168-76. 2010
    ....
  13. ncbi CT image construction of a totally deflated lung using deformable model extrapolation
    Ali Sadeghi Naini
    Department of Electrical and Computer Engineering, The University of Western Ontario, London, Ontario N6A 5B9, Canada
    Med Phys 38:872-83. 2011
    ..S. images. However, given that such preoperative images correspond to an inflated lung, such CT images need to be processed to construct CT images pertaining to the lung's deflated state...
  14. ncbi Measurement of the hyperelastic properties of 44 pathological ex vivo breast tissue samples
    Joseph J O'Hagan
    Department of Electrical and Computer Engineering, University of Western Ontario, London, ON, Canada
    Phys Med Biol 54:2557-69. 2009
    ....
  15. ncbi Statistical finite element analysis
    Iman Khalaji
    Electrical Engineering Department, University of Western Ontario, London N6A5B9, Canada
    Conf Proc IEEE Eng Med Biol Soc 2008:5577-80. 2008
    ..The proposed technique can be applied in many biomedical applications such as image guided surgery, or virtual reality environment development where tissue behavior is simulated for training purposes...
  16. ncbi Towards a biomechanical-based method for assessing myocardial tissue viability
    Cristian A Linte
    Biomed. Eng, Univ. of Western Ontario, London, ON, Canada
    Conf Proc IEEE Eng Med Biol Soc 1:2884-7. 2006
    ..The result consists of a display-map of the contraction force distribution superimposed on the anatomical ventricle model, which allows the clinician to identify regions of low contractility in the myocardium...
  17. ncbi Detecting mechanical abnormalities in prostate tissue using FE-based image registration
    Patrick Courtis
    Department of Electrical and Computer Engineering, University of Western Ontario
    Med Image Comput Comput Assist Interv 10:244-51. 2007
    ..Results from the phantom study showed that the technique could detect the increased stiffness of the simulated tumor with a reasonable accuracy...
  18. ncbi CT-enhanced ultrasound image of a totally deflated lung for image-guided minimally invasive tumor ablative procedures
    Ali Sadeghi Naini
    Department of Electrical and Computer Engineering, The University of Western Ontario, London, ON N6A 3K7, Canada
    IEEE Trans Biomed Eng 57:2627-30. 2010
    ..The obtained results indicate that very considerable improvement was achieved in the quality of the input intraoperative US images of the deflated lung...
  19. ncbi A constrained reconstruction technique of hyperelasticity parameters for breast cancer assessment
    Hatef Mehrabian
    Department of Electrical and Computer Engineering, University of Western Ontario, London, ON, Canada
    Phys Med Biol 55:7489-508. 2010
    ..6%, respectively. Given that the parameter ratios of the abnormal tissues to the normal ones range from three times to more than ten times, this accuracy is sufficient for tumor classification...
  20. ncbi MR validation of soft tissue mimicing phantom deformation as modeled by nonlinear finite element analysis
    Justin Sciarretta
    Department of Medical Biophysics, University of Toronto, North York, Ontario, Canada
    Med Phys 29:65-72. 2002
    ..A minimum difference was reached when the Poisson's ratio and coefficient of friction were set to 0.485 and 0.3, respectively. Under these conditions, the root mean square difference was found to be 14.4%...
  21. ncbi Estimation of lung's air volume and its variations throughout respiratory CT image sequences
    Ali Sadeghi Naini
    Department of Electrical and Computer Engineering, The University of Western Ontario, London, ON N6A 3K7, Canada
    IEEE Trans Biomed Eng 58:152-8. 2011
    ..The results indicate a very good ability of the proposed method for estimating the lung's air volume and its variations in a respiratory image sequence...
  22. ncbi Observation of nonlinear shear wave propagation using magnetic resonance elastography
    Ingolf Sack
    Institute of Radiology, , Humboldt University Berlin, Berlin, Germany
    Magn Reson Med 52:842-50. 2004
    ..Using an estimate of the strain energy of the phantom, we were able to determine the nonlinear tissue properties...