HR job title
- Associate Professor
- Contact Info
- 1 979 862 8586
Righetti, Raffaella Associate Professor
Positions
- Associate Professor, Electrical and Computer Engineering, College of Engineering
My research focuses on ultrasound methods for imaging the mechanical behavior of soft and hard tissues and multi-modal biomedical imaging processing and analysis methods.
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- Works By Students
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Overview
Publications
selected publications
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academic article
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Khan, M., Islam, M. T., Taraballi, F., & Righetti, R.
(2023).
Assessment of compression-induced solid stress, fluid pressure and mechanopathological parameters in cancersin vivousing poroelastography. Physics in Medicine and Biology.
68(13), 135014-135014.
-
Majumder, S., Islam, M. T., & Righetti, R.
(2023).
Non-invasive imaging of interstitial fluid transport parameters in solid tumors in vivo. Scientific Reports.
13(1), 7132.
-
Tang, S., Weiner, B., Taraballi, F., Haase, C., Stetco, E., Mehta, S. M., ... Righetti, R.
(2023).
Assessment of spinal cord injury using ultrasound elastography in a rabbit model in vivo. Scientific Reports.
13(1),
-
Khan, M., & Righetti, R.
(2022).
Ultrasound estimation of strain time constant and vascular permeability in tumors using a CEEMDAN and linear regression-based method. Computers in Biology and Medicine.
148, 105707-105707.
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Majumder, S., Islam, M. T., & Righetti, R.
(2022).
Estimation of Mechanical and Transport Parameters in Cancers Using Short Time Poroelastography. 10, 1900411-11.
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Tang, S., Yang, X. u., Shajudeen, P., Sears, C., Taraballi, F., Weiner, B., ... Righetti, R.
(2021).
A CNN-based method to reconstruct 3-D spine surfaces from US images in vivo. Medical Image Analysis.
74, 102221-102221.
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Islam, M. T., Tang, S., Tasciotti, E., & Righetti, R.
(2021).
Non-Invasive Assessment of the Spatial and Temporal Distributions of Interstitial Fluid Pressure, Fluid Velocity and Fluid Flow in Cancers In Vivo. IEEE Access.
9, 89222-89233.
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Tang, S., Shajudeen, P., Tasciotti, E., & Righetti, R.
(2020).
Identification of ultrasound imaging markers to quantify long bone regeneration in a segmental tibial defect sheep model in vivo. Scientific Reports.
10(1), 13646.
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Shajudeen, P., Tang, S., Chaudhry, A., Kim, N., Reddy, J. N., Tasciotti, E., & Righetti, R.
(2020).
Modeling and Analysis of Ultrasound Elastographic Axial Strains for Spine Fracture Identification. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.
67(5), 898-909.
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Islam, M. T., Tang, S., Liverani, C., Saha, S., Tasciotti, E., & Righetti, R.
(2020).
Non-invasive imaging of Young's modulus and Poisson's ratio in cancers in vivo. Scientific Reports.
10(1), 7266.
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Islam, M. T., Tasciotti, E., & Righetti, R.
(2020).
Estimation of Vascular Permeability in Irregularly Shaped Cancers Using Ultrasound Poroelastography. IEEE Transactions on Biomedical Engineering.
67(4), 1083-1096.
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Islam, M. T., & Righetti, R.
(2020).
A Spline Interpolation-based Data Reconstruction Technique for Estimation of Strain Time Constant in Ultrasound Poroelastography. Ultrasonic Imaging.
42(1), 5-14.
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Islam, T., & Righetti, R.
(2019).
A Novel Finite Element Model to Assess the Effect of Solid Stress Inside Tumors on Elastographic Normal Strains and Fluid Pressure. Journal of Engineering and Science in Medical Diagnostics and Therapy.
2(3),
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Islam, M. T., Chaudhry, A., & Righetti, R.
(2019).
A Robust Method to Estimate the Time Constant of Elastographic Parameters. IEEE Transactions on Medical Imaging.
38(6), 1358-1370.
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Islam, M. T., Chaudhry, A., & Righetti, R.
(2019).
An Analysis of the Error Associated to Single and Double Exponential Approximations of Theoretical Poroelastic Models. Ultrasonic Imaging.
41(2), 94-114.
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Islam, M. T., Reddy, J. N., & Righetti, R.
(2019).
An Analytical Poroelastic Model of a Nonhomogeneous Medium Under Creep Compression for Ultrasound Poroelastography Applications-Part I. Journal of Biomechanical Engineering.
141(6), 060902.
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Islam, M. T., Reddy, J. N., & Righetti, R.
(2019).
An Analytical Poroelastic Model of a Nonhomogeneous Medium Under Creep Compression for Ultrasound Poroelastography Applications-Part II. Journal of Biomechanical Engineering.
141(6), 060903.
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Islam, M. T., & Righetti, R.
(2019).
An analytical poroelastic model of a spherical tumor embedded in normal tissue under creep compression. Journal of Biomechanics.
89, 48-56.
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Tang, S., Sabonghy, E. P., Tauhidul Islam, M. d., Shafeeq Shajudeen, P., Chaudhry, A., Tasciotti, E., & Righetti, R.
(2019).
Assessment of the long bone inter-fragmentary gap size in ultrasound strain elastograms. Physics in Medicine and Biology.
64(2), 025014-025014.
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Islam, M. T., & Righetti, R.
(2019).
Estimation of mechanical parameters in cancers by empirical orthogonal function analysis of poroelastography data. Computers in Biology and Medicine.
111, 103343-103343.
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Van Eps, J. L., Chaudhry, A., Fernandez-Moure, J. S., Boada, C., Chegireddy, V., Cabrera, F. J., ... Righetti, R.
(2019).
Ultrasound shear wave elastography effectively predicts integrity of ventral hernia repair using acellular dermal matrix augmented with platelet-rich plasma (PRP). Surgical Endoscopy: surgical and interventional techniques.
33(9), 2802-2811.
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Islam, M. T., & Righetti, R.
(2019).
A New Poroelastography Method to Assess the Solid Distribution in Cancers. IEEE Access.
7, 103404-103415.
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Islam, M. T., Tasciotti, E., & Righetti, R.
(2019).
Non-Invasive Imaging of Normalized Solid Stress in Cancers in Vivo. IEEE Journal of Translational Engineering in Health and Medicine.
7, 4300209-9.
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Tang, S., Sabonghy, E. P., Chaudhry, A., Shajudeen, P. S., Islam, M. T., Kim, N., ... Righetti, R.
(2018).
A Model-Based Approach to Investigate the Effect of a Long Bone Fracture on Ultrasound Strain Elastography. IEEE Transactions on Medical Imaging.
37(12), 2704-2717.
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Islam, M. T., Reddy, J. N., & Righetti, R.
(2018).
A model-based approach to investigate the effect of elevated interstitial fluid pressure on strain elastography. Physics in Medicine and Biology.
63(21), 215011-215011.
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Islam, T., Chaudhry, A., Unnikrishnan, G., Reddy, J. N., & Righetti, R.
(2018).
An Analytical Model of Tumors With Higher Permeability Than Surrounding Tissues for Ultrasound Elastography Imaging. Journal of Engineering and Science in Medical Diagnostics and Therapy.
1(3), 031006.
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Islam, M. T., Chaudhry, A., Tang, S., Tasciotti, E., & Righetti, R.
(2018).
A New Method for Estimating the Effective Poisson's Ratio in Ultrasound Poroelastography. 37(5), 1178-1191.
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Islam, M. T., & Righetti, R.
(2018).
A novel filter for accurate estimation of fluid pressure and fluid velocity using poroelastography. Computers in Biology and Medicine.
101, 90-99.
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Islam, M. T., Chaudhry, A., Unnikrishnan, G., Reddy, J. N., & Righetti, R.
(2018).
An analytical poroelastic model for ultrasound elastography imaging of tumors. Physics in Medicine and Biology.
63(2), 025031-025031.
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Yang, X. u., Tang, S., Tasciotti, E., & Righetti, R.
(2018).
Bone surface enhancement in ultrasound images using a new Doppler-based acquisition/processing method. Physics in Medicine and Biology.
63(2), 025035-025035.
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Shajudeen, P., & Righetti, R.
(2017).
Spine surface detection from local phase-symmetry enhanced ridges in ultrasound images. Medical Physics.
44(11), 5755-5767.
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Tang, S., Chaudhry, A., Kim, N., Reddy, J. N., & Righetti, R.
(2017).
Effect of bone-soft tissue friction on ultrasound axial shear strain elastography. Physics in Medicine and Biology.
62(15), 6074-6091.
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Chaudhry, A., Fernandez-Moure, J. S., Shajudeen, P. S., Van Eps, J. L., Cabrera, F. J., Weiner, B. K., ... Righetti, R.
(2017).
Characterization of ventral incisional hernia and repair using shear wave elastography. Journal of Surgical Research.
210, 244-252.
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Chaudhry, A., Kim, N., Unnikrishnan, G., Nair, S., Reddy, J. N., & Righetti, R.
(2017).
Effect of Interstitial Fluid Pressure on Ultrasound Axial Strain and Axial Shear Strain Elastography. Ultrasonic Imaging.
39(2), 137-146.
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Parmar, B. J., Chaudhry, A., Weiner, B. K., Sabonghy, E. P., Tasciotti, E., & Righetti, R.
(2017).
Real-time ultrasound imaging of complex skeletal defects and fractures Preliminary results. Imaging in Medicine.
9(1),
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Parmar, B. J., Yang, X. u., Chaudhry, A., Shajudeen, P. S., Nair, S. P., Weiner, B. K., ... Righetti, R.
(2016).
Ultrasound elastography assessment of bone/soft tissue interface. Physics in Medicine and Biology.
61(1), 131-150.
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Chaudhry, A., Yazdi, I. K., Kongari, R., Tasciotti, E., & Righetti, R.
(2016).
A New Class of Phantom Materials for Poroelastography Imaging Techniques. Ultrasound in Medicine and Biology.
42(5), 1230-1238.
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Nair, S. P., & Righetti, R.
(2015).
Resimulation of noise: a precision estimator for least square error curve-fitting tested for axial strain time constant imaging. Physics in Medicine and Biology.
60(9), 3515-3529.
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Nair, S., Varghese, J., Chaudhry, A., & Righetti, R.
(2015).
Effect of temporal acquisition parameters on image quality of strain time constant elastography. Ultrasonic Imaging.
37(2), 87-100.
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Chaudhry, A., Unnikrishnan, G., Reddy, J. N., Krouskop, T. A., & Righetti, R.
(2013).
Effect of permeability on the performance of elastographic imaging techniques. IEEE Transactions on Medical Imaging.
32(2), 189-199.
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Yang, X. u., Deka, S., & Righetti, R.
(2011).
A hybrid CPU-GPGPU approach for real-time elastography. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control.
58(12), 2631-2645.
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Nair, S. P., Yang, X. u., Krouskop, T. A., & Righetti, R.
(2011).
Performance analysis of a new real-time elastographic time constant estimator. IEEE Transactions on Medical Imaging.
30(2), 497-511.
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Gentile, F., Sakamoto, J., Righetti, R., Decuzzi, P., & Ferrari, M.
(2011).
A doublet mechanics model for the ultrasound characterization of malignant tissues. Journal of Biomedical Science and Engineering.
04(05), 362-374.
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Ophir, J., Srinivasan, S., Righetti, R., & Thittai, A.
(2011).
Elastography: A Decade of Progress (2000-2010). Current Medical Imaging Reviews.
7(4), 292-312.
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Parmar, B. J., Longsine, W., Sabonghy, E. P., Han, A., Tasciotti, E., Weiner, B. K., Ferrari, M., & Righetti, R.
(2010).
Characterization of controlled bone defects using 2D and 3D ultrasound imaging techniques. Physics in Medicine and Biology.
55(16), 4839-4859.
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Desai, R. R., Krouskop, T. A., & Righetti, R.
(2010).
Elastography using harmonic ultrasonic imaging: a feasibility study. Ultrasonic Imaging.
32(2), 103-117.
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Righetti, R., Garra, B. S., Mobbs, L. M., Kraemer-Chant, C. M., Ophir, J., & Krouskop, T. A.
(2007).
The feasibility of using poroelastographic techniques for distinguishing between normal and lymphedematous tissues in vivo. Physics in Medicine and Biology.
52(21), 6525-6541.
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Righetti, R., Righetti, M., Ophir, J., & Krouskop, T. A.
(2007).
The feasibility of estimating and imaging the mechanical behavior of poroelastic materials using axial strain elastography. Physics in Medicine and Biology.
52(11), 3241-3259.
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Righetti, R., Srinivasan, S., Kumar, A. T., Ophir, J., & Krouskop, T. A.
(2007).
Assessing image quality in effective Poisson's ratio elastography and poroelastography: I. Physics in Medicine and Biology.
52(5), 1303-1320.
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Righetti, R., Ophir, J., Kumar, A. T., & Krouskop, T. A.
(2007).
Assessing image quality in effective Poisson's ratio elastography and poroelastography: II. Physics in Medicine and Biology.
52(5), 1321-1333.
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Thitaikumar, A., Righetti, R., Krouskop, T. A., & Ophir, J.
(2006).
Resolution of axial shear strain elastography. Physics in Medicine and Biology.
51(20), 5245-5257.
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Righetti, R., Ophir, J., Garra, B. S., Chandrasekhar, R. M., & Krouskop, T. A.
(2005).
A new method for generating poroelastograms in noisy environments. Ultrasonic Imaging.
27(4), 201-220.
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Righetti, R., Ophir, J., & Krouskop, T. A.
(2005).
A method for generating permeability elastograms and Poisson's ratio time-constant elastograms. Ultrasound in Medicine and Biology.
31(6), 803-816.
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Srinivasan, S., Righetti, R., & Ophir, J.
(2004).
An experimental characterization of elastographic spatial resolution: analysis of the trade-offs between spatial resolution and contrast-to-noise ratio. Ultrasound in Medicine and Biology.
30(10), 1269-1280.
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Righetti, R., Ophir, J., Srinivasan, S., & Krouskop, T. A.
(2004).
The feasibility of using elastography for imaging the Poisson's ratio in porous media. Ultrasound in Medicine and Biology.
30(2), 215-228.
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Righetti, R., Srinivasan, S., & Ophir, J.
(2003).
Lateral resolution in elastography. Ultrasound in Medicine and Biology.
29(5), 695-704.
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Srinivasan, S., Righetti, R., & Ophir, J.
(2003).
Trade-offs between the axial resolution and the signal-to-noise ratio in elastography. Ultrasound in Medicine and Biology.
29(6), 847-866.
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Ophir, J., Alam, S. K., Garra, B. S., Kallel, F., Konofagou, E. E., Krouskop, T., ... Varghese, T.
(2002).
Elastography: Imaging the elastic properties of soft tissues with ultrasound. Journal of Medical Ultrasonics.
29(WINTER), 155-171.
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Ophir, J., Alam, S. K., Garra, B. S., Kallel, F., Konofagou, E. E., Krouskop, T., ... Varghese, T.
(2002).
Elastography: Imaging the elastic properties of soft tissues with ultrasound. Journal of Medical Ultrasonics.
29(4), 155-171.
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Righetti, R., Ophir, J., & Ktonas, P.
(2002).
Axial resolution in elastography. Ultrasound in Medicine and Biology.
28(1), 101-113.
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Varghese, T., Ophir, J., Konofagou, E., Kallel, F., & Righetti, R.
(2001).
Tradeoffs in elastographic imaging. Ultrasonic Imaging.
23(4), 216-248.
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Ophir, J., Kallel, F., Varghese, T., Konofagou, E., Alam, S., Krouskop, T., Garra, B., & Righetti, R.
(2001).
Elastography. Comptes Rendus Physique.
2(8), 1193-1212.
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Righetti, R., Kallel, F., Stafford, R. J., Price, R. E., Krouskop, T., Hazle, J. D., & Ophir, J.
(2000).
Elastographic characterization of HIFU-induced lesions. Ultrasound in Medicine and Biology.
26(SUPPL. 2),
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Kallel, F., Righetti, R., Hirasaki, K., Alaniz, A., & Ophir, J.
(2000).
Monitoring of HIFU-based therapy procedures with elastography. Ultrasound in Medicine and Biology.
26(SUPPL. 2),
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Righetti, R., Kallel, F., Stafford, R. J., Price, R. E., Krouskop, T. A., Hazle, J. D., & Ophir, J.
(1999).
Elastographic characterization of HIFU-induced lesions in canine livers. Ultrasound in Medicine and Biology.
25(7), 1099-1113.
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Righetti, R.
(1999).
Other contents. European journal of ultrasound : official journal of the European Federation of Societies for Ultrasound in Medicine and Biology.
10(2-3), 187-190.
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Kallel, F., Stafford, R. J., Price, R. E., Righetti, R., Ophir, J., & Hazle, J. D.
(1999).
The feasibility of elastographic visualization of HIFU-induced thermal lesions in soft tissues. Image-guided high-intensity focused ultrasound. Ultrasound in Medicine and Biology.
25(4), 641-647.
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Khan, M., Islam, M. T., Taraballi, F., & Righetti, R.
(2023).
Assessment of compression-induced solid stress, fluid pressure and mechanopathological parameters in cancersin vivousing poroelastography. Physics in Medicine and Biology.
68(13), 135014-135014.
-
conference paper
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Chirayath, S., Gariazzo, C. A., Righetti, R., & Naraghi, M.
(2021).
A Novel Nuclear Material Control Technique for Pebble Bed Reactors. Transactions of the American Nuclear Society.
758-761.
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Fernandez-Moure, J. S., Chaudhry, A., Bergerson, C. M., Van Eps, J. L., Cabrera, F., Weiner, B. K., ... Tasciotti, E.
(2015).
Platelet-Rich Plasma Enhances Mechanical Properties of Non-Crosslinked Acellular Dermal Matricies in Rat Model of Ventral Hernia Repair. Journal of the American College of Surgeons.
S76-S76.
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Righetti, R., Chaudhry, A., & Nair, S.
(2011).
FUNDAMENTAL IMAGE QUALITY PARAMETERS OF POROELASTOGRAPHY. Proceedings / IEEE International Symposium on Biomedical Imaging: from nano to macro. IEEE International Symposium on Biomedical Imaging.
1614-1617.
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Hennessy, R., Koo, C., Phuc, T., Han, A., Righetti, R., & Maitland, K. C.
(2011).
Particle velocity measurements with macroscopic fluorescence imaging in lymph tissue mimicking microfluidic phantoms. Proceedings of SPIE.
78920r-78920r-7.
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Srinivasan, S., Righetti, R., & Ophir, J.
(2003).
An experimental characterization of spatial resolution in elastography: analysis of the tradeoffs between spatial resolution and contrast-to-noise ratio. Proceedings / IEEE ... Ultrasonics Symposium. IEEE Ultrasonics Symposium.
1618-1621.
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Righetti, R., Srinivasan, S., Ophir, J., & Ktonas, P.
(2002).
Resolution in elastography. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings.
961-962.
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Righetti, R., Srinivasan, S., Ophir, J., & Ktonas, P.
(2002).
Resolution in ElastographyBehaviors**Supported by National Cancer Institute Program Project Grant P01-CA6459707 to the University of Texas Medical School. 961-962.
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Srinivasan, S., Righetti, R., & Ophir, J.
(2002).
Tradeoffs between the axial resolution and the signal-to-noise ratio in elastography. Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings.
963-964.
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Ophir, J., Garra, B., Kallel, F., Konofagou, E., Krouskop, T., Righetti, R., & Varghese, T.
(2000).
Elastographic imaging. Ultrasound in Medicine and Biology.
S23-S29.
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Chirayath, S., Gariazzo, C. A., Righetti, R., & Naraghi, M.
(2021).
A Novel Nuclear Material Control Technique for Pebble Bed Reactors. Transactions of the American Nuclear Society.
758-761.
-
institutional repository document
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Islam, M. T., & Righetti, R.
(2019).
A spline interpolation based data reconstruction technique for estimation of strain time constant in ultrasound poroelastography
-
Islam, M. T., & Righetti, R.
(2018).
A novel filter for accurate estimation of fluid pressure and fluid velocity using poroelastography
-
Islam, M. T., Tasciotti, E., & Righetti, R.
(2018).
Non-invasive assessment of the spatial and temporal distributions of interstitial fluid pressure, fluid velocity and fluid flow in cancers in vivo
-
Islam, M. T., Tang, S., Liverani, C., Tasciotti, E., & Righetti, R.
(2018).
Non-invasive imaging of Young's modulus and Poisson's ratio in cancers in vivo
-
Islam, M. T., & Righetti, R.
(2019).
A spline interpolation based data reconstruction technique for estimation of strain time constant in ultrasound poroelastography
Research
principal investigator on
- Assessment of Breast Cancer Mechanopathology Markers using Ultrasound awarded by United States Department of Defense - (Washington D.C., District of Columbia, United States) 2018 - 2021
- Assessment of Spinal Injuries Using Novel Ultrasound Techniques awarded by United States Department of Defense - (Washington D.C., District of Columbia, United States) 2014 - 2019
co-principal investigator on
investigator on
- A GMP/GLP investigation of degradable polymeric shells for traumatic osteoregeneration awarded by U.S. Army Center for Health Promotion and Preventive Medicine - (Aberdeen Proving Ground, Maryland, United States) 2015 - 2020
- BioNanoScaffolds (BNS) for Post-Traumatic Osteoregeneration Module I awarded by Defense Advanced Research Projects Agency - (Arlington, Virginia, United States) 2011 - 2013
- BioNanoScaffolds (BNS) for Post-Traumatic Osteoregeneration awarded by Defense Advanced Research Projects Agency - (Arlington, Virginia, United States) 2009 - 2011
Teaching
teaching activities
- ECEN314 Signals And Systems Instructor
- ECEN410 Medical Imaging Instructor
- ECEN412 Ultrasound Imaging Instructor
- ECEN447 Digital Image Process Instructor
- ECEN485 Directed Studies Instructor
- ECEN491 Hnr-research Instructor
- ECEN642 Digital Image Processing Instructor
- ECEN684 Professional Internship Instructor
- ECEN685 Directed Studies Instructor
- ECEN691 Research Instructor
- ECEN762 Adv Ultrasound Imaging Techn Instructor
- ECEN764 Medical Imaging Instructor
Works By Students
chaired theses and dissertations
-
Chaudhry, Anuj (2012-02). Effect of Boundary Conditions on Performance of Poroelastographic Imaging Techniques in Non Homogenous Poroelastic Media.
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Chaudhry, Anuj (2016-11). Imaging and Measurement of the Poroelastic Behavior of Materials using New Ultrasound Elastography Techniques.
-
Deka, Sthiti (2011-10). A CPU-GPU Hybrid Approach for Accelerating Cross-correlation Based Strain Elastography.
-
Li, Mohan (2012-10). Statistical Analysis of a Three-dimensional Axial Strain and Axial-shear Strain Elastography Algorithm.
-
Nair, Sanjay P. (2011-08). Performance Analysis of a New Ultrasound Axial Strain Time Constant Estimation.
-
Nair, Sanjay Padmanabhan (2016-09). Simplification of Mathematical Models for Medical Ultrasound Poroelasticity Imaging.
-
Sambasubramanian, Srinath (2011-10). Comparison of the Performance of Different Time Delay Estimation Techniques for Ultrasound Elastography.
Background
education and training
- Ph.D. in Electrical Engineering, University of Houston - (Houston, Texas, United States) 2005
- M.S. in Electrical Engineering, University of Houston - (Houston, Texas, United States) 2001
- D.Engr. in Electronic Engineering, University of Florence - (Florence, Toscana, Italy) 1999
- The University of Texas Health Science Center at Houston - (Houston, Texas, United States) , Postdoctoral Training 2007
Contact
first name
- Raffaella
has last name
- Righetti
mailing address
-
Texas A&M University
Electrical Engineering
3128 TAMU
College Station, TX 77843-3128
USA
Other
- righetti@ece.tamu.edu