Publications
From ITLWiki
Contents |
Journals
2008
Dandekar O, Plishker W, Bhattacharyya S S, and Shekhar R, Multiobjective optimization for reconfigurable implementation of medical image registration, International Journal of Reconfigurable Computing, (under review), 2008.
Lei P, Dandekar O, Widlus O, Malloy O, and Shekhar R, Incorporation of PET into CT-guided liver radiofrequency ablation, Radiology, (under review), 2008.
Dickfeld T, Lei P, Dilsizian V, Jeudy J, Dong J, Voudouris A, Peters R, Saba M, Shekhar R, Shorofsky S, Integration of three-dimensional scar saps for ventricular tachycardia ablation with positron emission tomography-computed tomography, Journal of the American College of Cardiology: Cardiovascular Imaging, vol. 1(1), pp. 73-82, 2008.
2007
Dandekar O, and Shekhar R, FPGA-Accelerated Deformable Image Registration for Improved Target-Delineation During CT-Guided Interventions, IEEE Transactions on Biomedical Circuits and Systems, vol. 1(2), pp. 116-127, 2007.
Dandekar O, Castro-Pareja C, Shekhar R, FPGA-based real-time 3D image preprocessing for image-guided medical interventions, Journal of Real-Time Image Processing, vol. 1(4), pp. 285-301, 2007.
Zagrodsky V, Phelan M, Shekhar R, Automated detection of a blood pool in ultrasound images of abdominal trauma, Ultrasound in Medicine and Biology, vol. 33(11), pp. 1720-1726, 2007.
Shekhar R, Lei P, Castro-Pareja CR, Plisker WL, D'Souza WD, Automatic segmentation of phase-correlated CT scans through nonrigid image registration using geometrically regularized free-form deformation, Medical Physics vol. 34(7), pp. 3054-3066, 2007.
Walimbe V, Garcia M, Lalude O, Thomas J, Shekhar R, Quantitative real-time three-dimensional stress echocardiography: A preliminary investigation of feasibility and effectiveness, Journal of the American Society of Echocardiography, vol. 20(1), pp. 13-22, 2007.
2006
Walimbe V, and Shekhar R, Automatic elastic image registration by interpolation of 3D rotations and translations from discrete rigid-body transformations, Medical Image Analysis, vol. 10(6), pp. 899-914, 2006.
Feng Y, Castro-Pareja C, Shekhar R, and Yu C, Direct aperture deformation: an interfraction image guidance strategy, Medical Physics, vol. 33(12), pp. 4490-4498, 2006.
2005
Shekhar R, Walimbe V, Raja S, Zagrodsky V, Kanvinde M, Wu G, and Bybel B, Automated 3-dimensional elastic registration of whole-body PET and CT from separate or combined scanners, Journal of Nuclear Medicine, vol. 46(9), pp. 1488-1496, 2005.
Zagrodsky V, Walimbe V, Castro-Pareja CR, Qin J, Song JM, and Shekhar R, Registration-assisted segmentation of real-time 3-D echocardiographic data using deformable models, IEEE Transactions on Medical Imaging, vol. 24(9), pp. 1089-1099, 2005.
Li J, Papachristou C, and Shekhar R, An FPGA-based computing platform for real-time 3D medical imaging and its application to cone-beam CT reconstruction, Journal of Imaging Science and Technology, vol. 49(3), pp. 237-245, 2005.
Castro-Pareja CR, and Shekhar R, Hardware acceleration of mutual information-based 3D image registration, Journal of Imaging Science and Technology, vol. 49(2), pp. 105-113, 2005.
2004
Shekhar R, Zagrodsky V, Garcia M, and Thomas JD, Registration of real-time 3D ultrasound images of the heart for novel 3D stress echocardiography, IEEE Transactions on Medical Imaging, vol. 23(9), pp. 1141-1149, 2004.
2003
Castro-Pareja CR, Jagadeesh JM, and Shekhar R, FAIR: A hardware architecture for real-time 3-D image registration, IEEE Transactions on Information Technology in Biomedicine, vol. 7(4), pp. 426-434, 2003.
Shekhar R, and Zagrodsky V, Cine MPR: Interactive multi-planar reformatting of four-dimensional cardiac data using hardware accelerated texture mapping, IEEE Transactions on Information Technology in Biomedicine, vol. 7(4), pp. 384-393, 2003.
Shekhar R, Zagrodsky V, Castro-Pareja CR, Walimbe V, and Jagadeesh JM, High-speed registration of three- and four-dimensional medical images by using voxel similarity, RadioGraphics, vol. 23(6), pp. 1673-1681, 2003.
Walimbe V, Zagrodsky V, Raja S, Jaber WA, DiFilippo FP, Garcia MJ, Brunken RC, Thomas JD, and Shekhar R, Mutual information-based multimodality registration of cardiac ultrasound and SPECT images: A preliminary investigation, International Journal of Cardiovascular Imaging, vol. 19(6), pp. 483-494, 2003.
2002 and Earlier
Shekhar R, and Zagrodsky V, Mutual information-based rigid and nonrigid registration of ultrasound volumes, IEEE Transactions on Medical Imaging, vol. 21(1), pp. 9-22, 2002.
Shekhar R, Cothren RM, Vince DG, Chandra S, Thomas JD, and Cornhill JF, Three dimensional segmentation of luminal and adventitial borders in serial intravascular ultrasound images, Computerized Medical Imaging and Graphics, vol. 23(6), pp. 299-309, 1999.
Conferences
2008
Dandekar O, Plishker W, Bhattacharyya S S, and Shekhar R, Multiobjective Optimization of FPGA-based Medical Image Registration, presented at IEEE Symposium on Field-Programmable Custom Computing Machines, 2008.
2007
Lei P, Dandekar O, Mahmoud F, Widlus D, Malloy P, and Shekhar R, PET guidance for liver radiofrequency ablation: an evaluation, presented at SPIE Medical Imaging 2007: Visualization and Image-Guided Procedures 2007, p. 650918.
Shekhar R, Dandekar O, Kavic S, George I, Mezrich R, and Park A, Development of continuous CT-guided minimally invasive surgery, presented at SPIE Medical Imaging 2007: Visualization and Image-Guided Procedures 2007, p. 65090D.
Wu J, Dandekar O, Walimbe V, D’Souza W, and Shekhar R, Automatic prostate localization using elastic registration of planning CT and daily 3D ultrasound images, presented at SPIE Medical Imaging: Visualization and Image-Guided Procedures 2007, p. 650913.
Shetye A, and Shekhar R, A statistical approach to high-quality CT reconstruction at low radiation doses for real-time guidance and navigation, presented at SPIE Medical Imaging: Physics of Medical Imaging 2007, p. 65105U.
Plishker WL, Dandekar O, Bhattacharyya SS, and Shekhar R, A taxonomy for medical image registration acceleration techniques, In Proceedings of the IEEE-NIH LIfe Science Systems and Applications Workshop 2007, pp. 160-163.
Plishker WL, Dandekar O, Bhattacharyya SS, and Shekhar R, Towards a heterogeneous medical image registration acceleration platform, In Proceedings of the IEEE Biomedical Circuits and Systems Conference 2007, pp. 231-234.
2006
Wu J, Dandekar O, Nazareth D, Lei P, D’Souza W, and Shekhar R, Effect of ultrasound probe on dose delivery during real-time ultrasound-guided tumor tracking, presented at IEEE EMBS Conference 2006, pp. 3799-3802.
Dandekar O, Walimbe V, and Shekhar R, Hardware Implementation of Hierarchical Volume Subdivision-based Elastic Registration, presented at IEEE EMBS Conference 2006, pp. 1425-1428.
Walimbe V, Dandekar O, Mahmoud F, and Shekhar R, Automated 3D Elastic Registration for Improving Tumor Localization in Whole-body PET-CT from Combined Scanner, presented at IEEE EMBS Conference 2006, pp. 2799-2802.
Dandekar O, Siddiqui K, Walimbe V, and Shekhar R, Image Registration Accuracy with Low-Dose CT: How Low Can We Go?, presented at IEEE ISBI 2006, pp. 502-505.
Castro-Pareja CR, and Shekhar R, A cubic interpolation pipeline for fast computation of 3D deformation fields modeled using B-splines, presented at SPIE Electronic Imaging: Real-Time Image Processing 2006, p. 606301.
Castro-Pareja CR, and Shekhar R, A hardware-accelerated approach to computing multiple image similarity measures from joint histogram, presented at SPIE Electronic Imaging: Real-Time Image Processing 2006, p. 60630N.
Castro-Pareja CR, Daly B, amd Shekhar R, Elastic registration using 3D ChainMail: application to virtual colonoscopy, presented at SPIE Medical Imaging: Image Processing 2006, p. 61442Y.
Dandekar O, Castro-Pareja CR, and Shekhar R, A scalable beamforming architecture for real-time 3D ultrasonic imaging using nonuniform sampling, presented at SPIE Medical Imaging: Ultrasonic Imaging and Signal Processing 2006, p. 61470M.
Walimbe V, Zagrodsky V, and Shekhar R, Fully automatic segmentation of left ventricular myocardium in real-time three-dimensional echocardiography, presented at SPIE Medical Imaging: Image Processing 2006, p. 61444H.
2005
Castro-Pareja CR, Zagrodsky V, Bouchet L, and Shekhar R, Automated prostate localization in external-beam radiotherapy using mutual information-based registration of treatment planning CT and daily 3D ultrasound images, Proceedings of Computer Assisted Radiology and Surgery 2005, pp. 435-440.
Castro-Pareja CR, Dandekar O, and Shekhar R, FPGA-based real-time anisotropic diffusion filtering of 3D ultrasound images, presented at SPIE Electronic Imaging 2005, pp. 123-131.
Castro-Pareja CR, and Shekhar R, Adaptive reduction of intensity levels in 3D images for mutual information-based registration, presented at SPIE Medical Imaging 2005, pp. 1201-1212.
2004
Castro-Pareja CR, Jagadeesh JM, and Shekhar R, FPGA-based acceleration of mutual information calculation for real-time 3D image registration, presented at SPIE Electronic Imaging 2004, pp. 212-219.
Walimbe V, Zagrodsky V, Raja S, Bybel B, Kanvinde M, and Shekhar R, Elastic registration of three-dimensional whole body CT and PET images by quaternion-based interpolation of multiple piecewise linear rigid-body registrations, presented at SPIE Medical Imaging 2004, pp. 119-128.
Castro-Pareja CR, Jagadeesh JM, Venugopal S, and Shekhar R, FPGA-based 3D median filtering using word-parallel systolic arrays, presented at the IEEE International Symposium on Circuits and Systems 2004, vol 3, pp. 157-160.
Li J, Papachristou CA, and Shekhar R, A "Brick" caching scheme for 3D medical imaging, presented at IEEE ISBI 2004, pp. 563-566.
Shekhar R, Zagrodsky V, and Walimbe V, 3D Stress Echocardiography: Development of novel visualization, registration and segmentation algorithms, Proc of Computer Assisted Radiology and Surgery 2004, pp. 1072-1077.
Castro-Pareja CR and Shekhar R, Physically correct mesh manipulation in multi-level free-form deformation-based nonrigid registration, presented at International Conference of the IEEE Engineering in Medicine and Biology Society 2004, pp. 1687-1690.
Li J, Papachristou C, and Shekhar R, A reconfigurable SoC architecture and caching scheme for 3D medical image processing, presented at the IEEE symposium on Field-Programmable Custom Computing Machines 2004, pp. 320-321.
2003 and Earlier
Shekhar R, and Zagrodsky V, Interactive visualization of four-dimensional ultrasound data, Medicine Meets Virtual Reality 2002, pp. 485-487.
Zagrodsky V, Shekhar R, and Cornhill JF, Multifunction extension of simplex optimization method for mutual information-based registration of ultrasound volumes, presented at SPIE Medical Imaging 2001, vol 4322, pp. 508-515.
Zagrodsky V, Shekhar R, and Cornhill JF, Mutual information-based registration of cardiac ultrasound volumes, presented at SPIE Medical Imaging 2000, vol 3979, pp. 1605-1614.
