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Raj Shekhar

Research Profile

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Three-Dimensional Imaging

Concepts & Ideas

Procedures

Activities & Behaviors

Physiology

Pattern Recognition, Automated

Disorders

Myocardial Ischemia

Anatomy

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Publications

TOP 3
Peng Lei; Fred Moeslein; Bradford J Wood; Raj Shekhar
Real-time tracking of liver motion and deformation using a flexible needle.
Peng Lei; O Dandekar; David M Widlus; Raj Shekhar
Incorporation of preprocedural PET into CT-guided radiofrequency ablation of hepatic metastases: a nonrigid image registration validation study.
Jing Tian; Jean Jeudy Jr; Mark F Smith; Alejandro Jimenez; Xianghua Yin; Patricia A Bruce; Peng Lei; Aharon Turgeman; Aharon Abbo; Raj Shekhar; Magdi M Saba; Stephen R Shorofsky; Timm-Michael Lutz Dickfeld
Three-dimensional contrast-enhanced multidetector CT for anatomic, dynamic, and perfusion characterization of abnormal myocardium to guide ventricular tachycardia ablations.

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All Publications

2011: Peng Lei; Fred Moeslein; Bradford J Wood; Raj Shekhar
Real-time tracking of liver motion and deformation using a flexible needle.
International journal of computer assisted radiology and surgery 2011;6(3):435-46.
2010: Peng Lei; O Dandekar; David M Widlus; Raj Shekhar
Incorporation of preprocedural PET into CT-guided radiofrequency ablation of hepatic metastases: a nonrigid image registration validation study.
Journal of digital imaging 2010;23(6):780-92.
2010: Jing Tian; Jean Jeudy Jr; Mark F Smith; Alejandro Jimenez; Xianghua Yin; Patricia A Bruce; Peng Lei; Aharon Turgeman; Aharon Abbo; Raj Shekhar; Magdi M Saba; Stephen R Shorofsky; Timm-Michael Lutz Dickfeld
Three-dimensional contrast-enhanced multidetector CT for anatomic, dynamic, and perfusion characterization of abnormal myocardium to guide ventricular tachycardia ablations.
Circulation. Arrhythmia and electrophysiology 2010;3(5):496-504.
2010: Raj Shekhar; O Dandekar; Venkatesh Bhat; Mathew Philip; Peng Lei; Carlos Godinez; Erica Sutton; Ivan George; Stephen M Kavic; Reuben Mezrich; Adrian Park
Live augmented reality: a new visualization method for laparoscopic surgery using continuous volumetric computed tomography.
Surgical endoscopy 2010;24(8):1976-85.
2009: Jianzhou Wu; Peng Lei; Raj Shekhar; Huiling Li; Mohan Suntharalingam; Warren D D'Souza
Do tumors in the lung deform during normal respiration? An image registration investigation.
International journal of radiation oncology, biology, physics 2009;75(1):268-75.
2009: Vivek Walimbe; Wael A Jaber; Mario J. Garcia; Raj Shekhar
Multimodality cardiac stress testing: combining real-time 3-dimensional echocardiography and myocardial perfusion SPECT.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2009;50(2):226-30.
2008: Jianzhou Wu; Huiling Li; Raj Shekhar; Mohan Suntharalingam; Warren D D'Souza
An evaluation of planning techniques for stereotactic body radiation therapy in lung tumors.
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2008;87(1):35-43.
2008: Timm-Michael Lutz Dickfeld; Peng Lei; Vasken Dilsizian; Jean Jeudy Jr; Jun Dong; Apostolos Voudouris; Robert W Peters; Magdi M Saba; Raj Shekhar; Stephen R Shorofsky
Integration of three-dimensional scar maps for ventricular tachycardia ablation with positron emission tomography-computed tomography.
JACC. Cardiovascular imaging 2008;1(1):73-82.
2007: Vladimir Zagrodsky; Michael Phelan; Raj Shekhar
Automated detection of a blood pool in ultrasound images of abdominal trauma.
Ultrasound in medicine & biology 2007;33(11):1720-6.
2007: Raj Shekhar; Peng Lei; Carlos R Castro-Pareja; William L Plishker; Warren D D'Souza
Automatic segmentation of phase-correlated CT scans through nonrigid image registration using geometrically regularized free-form deformation.
Medical physics 2007;34(7):3054-66.
2007: Yan Li; Marcelo V Netto; Raj Shekhar; Ronald R Krueger; David Huang
A longitudinal study of LASIK flap and stromal thickness with high-speed optical coherence tomography.
Ophthalmology 2007;114(6):1124-32.
2007: Vivek Walimbe; Mario J. Garcia; Omosalewa Lalude; James David Thomas; Raj Shekhar
Quantitative real-time 3-dimensional stress echocardiography: a preliminary investigation of feasibility and effectiveness.
Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography 2007;20(1):13-22.
2006: Yuanming Feng; Carlos R Castro-Pareja; Raj Shekhar; Cedric Yu
Direct aperture deformation: an interfraction image guidance strategy.
Medical physics 2006;33(12):4490-8.
2006: Vivek Walimbe; Raj Shekhar
Automatic elastic image registration by interpolation of 3D rotations and translations from discrete rigid-body transformations.
Medical image analysis 2006;10(6):899-914.
2006: Yan Li; Raj Shekhar; David Huang
Corneal pachymetry mapping with high-speed optical coherence tomography.
Ophthalmology 2006;113(5):792-9.e2.
2006: Jianzhou Wu; O Dandekar; D Nazareth; Peng Lei; Warren D D'Souza; Raj Shekhar
Effect of ultrasound probe on dose delivery during real-time ultrasound-guided tumor tracking.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2006;1():3799-802.
2006: Vivek Walimbe; O Dandekar; Faaiza Mahmoud; Raj Shekhar
Automated 3D elastic registration for improving tumor localization in whole-body PET-CT from combined scanner.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2006;1():2799-802.
2006: O Dandekar; Vivek Walimbe; Raj Shekhar
Hardware implementation of hierarchical volume subdivision-based elastic registration.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2006;1():1425-8.
2005: Maolong Tang; Raj Shekhar; Danielle Miranda; David Huang
Characteristics of keratoconus and pellucid marginal degeneration in mean curvature maps.
American journal of ophthalmology 2005;140(6):993-1001.
2005: Raj Shekhar; Vivek Walimbe; Shanker Raja; Vladimir Zagrodsky; Mangesh Kanvinde; Guiyun Wu; Bohdan Bybel
Automated 3-dimensional elastic registration of whole-body PET and CT from separate or combined scanners.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2005;46(9):1488-96.
2005: Vladimir Zagrodsky; Vivek Walimbe; Carlos R Castro-Pareja; Jian Xin Qin; Jong-Min Song; Raj Shekhar
Registration-assisted segmentation of real-time 3-D echocardiographic data using deformable models.
IEEE transactions on medical imaging 2005;24(9):1089-99.
2005: Maolong Tang; Raj Shekhar; David Huang
Mean curvature mapping for detection of corneal shape abnormality.
IEEE transactions on medical imaging 2005;24(3):424-8.
2004: Raj Shekhar; Vladimir Zagrodsky; Mario J. Garcia; James David Thomas
Registration of real-time 3-D ultrasound images of the heart for novel 3-D stress echocardiography.
IEEE transactions on medical imaging 2004;23(9):1141-9.
2004: Carlos R Castro-Pareja; Raj Shekhar
Physically correct mesh manipulation in multi-level free-form deformation-based nonrigid registration.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2004;3():1687-90.
2003: Carlos R Castro-Pareja; Jogikal M Jagadeesh; Raj Shekhar
FAIR: a hardware architecture for real-time 3-D image registration.
IEEE transactions on information technology in biomedicine : a publication of the IEEE Engineering in Medicine and Biology Society 2003;7(4):426-34.
2003: Raj Shekhar; Vladimir Zagrodsky
Cine MPR: interactive multiplanar reformatting of four-dimensional cardiac data using hardware-accelerated texture mapping.
IEEE transactions on information technology in biomedicine : a publication of the IEEE Engineering in Medicine and Biology Society 2003;7(4):384-93.
2003: Vivek Walimbe; Vladimir Zagrodsky; Shanker Raja; Wael A Jaber; Frank P DiFilippo; Mario J. Garcia; Richard C Brunken; James David Thomas; Raj Shekhar
Mutual information-based multimodality registration of cardiac ultrasound and SPECT images: a preliminary investigation.
The international journal of cardiovascular imaging 2003;19(6):483-94.
2003: Raj Shekhar; Vladimir Zagrodsky; Carlos R Castro-Pareja; Vivek Walimbe; Jogikal M Jagadeesh
High-speed registration of three- and four-dimensional medical images by using voxel similarity.
Radiographics : a review publication of the Radiological Society of North America, Inc 2003;23(6):1673-81.
2003: David Huang; Maolong Tang; Raj Shekhar
Mathematical model of corneal surface smoothing after laser refractive surgery.
American journal of ophthalmology 2003;135(3):267-78.
2002: Radhika Sivaramakrishna; Kimberly A. Powell; Michael L Lieber; William A Chilcote; Raj Shekhar
Texture analysis of lesions in breast ultrasound images.
Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society 2002;26(5):303-7.
2002: Raj Shekhar; Vladimir Zagrodsky
Interactive visualization of four-dimensional ultrasound data.
Studies in health technology and informatics 2002;85():485-7.
2002: Raj Shekhar; Vladimir Zagrodsky
Mutual information-based rigid and nonrigid registration of ultrasound volumes.
IEEE transactions on medical imaging 2002;21(1):9-22.
2001: P D Kumar; Raj Shekhar; R Dickerson
Recurrent aortic root hematograft endocarditis related to indwelling hemodialysis catheters.
The American journal of medicine 2001;110(9):743.
2000: Jon D Klingensmith; Raj Shekhar; D Geoffrey Vince
Evaluation of three-dimensional segmentation algorithms for the identification of luminal and medial-adventitial borders in intravascular ultrasound images.
IEEE transactions on medical imaging 2000;19(10):996-1011.
2000: Jon D Klingensmith; D Geoffrey Vince; Barry D Kuban; Raj Shekhar; E Murat Tuzcu; Steven E Nissen; J Fredrick Cornhill
Assessment of coronary compensatory enlargement by three-dimensional intravascular ultrasound.
International journal of cardiac imaging 2000;16(2):87-98.
2000: RM Cothren; Raj Shekhar; E Murat Tuzcu; Steven E Nissen; J Fredrick Cornhill; D Geoffrey Vince
Three-dimensional reconstruction of the coronary artery wall by image fusion of intravascular ultrasound and bi-plane angiography.
International journal of cardiac imaging 2000;16(2):69-85.
1999: Raj Shekhar; RM Cothren; D Geoffrey Vince; S Chandra; James David Thomas; J Fredrick Cornhill
Three-dimensional segmentation of luminal and adventitial borders in serial intravascular ultrasound images.
Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society 1999;23(6):299-309.