Raj Shekhar

发表

Fast calibration of electromagnetically tracked oblique-viewing rigid endoscopes

Xinyang Liu, Christina E. Rice, Raj Shekhar, 2017, International Journal of Computer Assisted Radiology and Surgery.

Multiobjective Optimization for Reconfigurable Implementation of Medical Image Registration

Shuvra S. Bhattacharyya, Raj Shekhar, Omkar Dandekar, 2008, Int. J. Reconfigurable Comput..

Hybrid Tracking for Improved Registration of Laparoscopic Ultrasound and Laparoscopic Video for Augmented Reality

Xinyang Liu, Raj Shekhar, William Plishker, 2017, CARE/CLIP@MICCAI.

FPGA-based real-time anisotropic diffusion filtering of 3D ultrasound images

Carlos R. Castro-Pareja, Raj Shekhar, Omkar S. Dandekar, 2005, IS&T/SPIE Electronic Imaging.

A Hybrid Approach to Word Sense Disambiguation Combining Supervised and Unsupervised Learning pdf

Anirban Kundu, Raj Shekhar, Alok Ranjan Pal, 2016, ArXiv.

Image registration accuracy with low-dose CT: how low can we go?

Raj Shekhar, Omkar Dandekar, Khan M. Siddiqui, 2006, 3rd IEEE International Symposium on Biomedical Imaging: Nano to Macro, 2006..

Direct aperture deformation: an interfraction image guidance strategy.

Raj Shekhar, Yuanming Feng, Carlos Castro-Pareja, 2006, Medical physics.

Clinical Image-Based Procedures. Translational Research in Medical Imaging

Stefan Wesarg, Marius George Linguraru, Raj Shekhar, 2013, Lecture Notes in Computer Science.

Automatic elastic image registration by interpolation of 3D rotations and translations from discrete rigid-body transformations

Raj Shekhar, Vivek Walimbe, R. Shekhar, 2006, Medical Image Anal..

Clinical Image-Based Procedures. Translational Research in Medical Imaging

Stefan Wesarg, Marius George Linguraru, Raj Shekhar, 2016, Lecture Notes in Computer Science.

Registration of real-time 3-D ultrasound images of the heart for novel 3-D stress echocardiography

Raj Shekhar, James D. Thomas, Vladimir Zagrodsky, 2004, IEEE Transactions on Medical Imaging.

Octree-based decimation of marching cubes surfaces

Roni Yagel, Raj Shekhar, Elias Fayyad, 1996, Proceedings of Seventh Annual IEEE Visualization '96.

Magnetically anchored pan-tilt stereoscopic robot with optical-inertial stabilization for minimally invasive surgery

Raj Shekhar, Saeed Shiry Ghidary, Reza Monfaredi, 2019, Medical Imaging.

Development of continuous CT-guided minimally invasive surgery

Raj Shekhar, Omkar Dandekar, Steven Kavic, 2007, SPIE Medical Imaging.

Segmentation of surgical instruments in laparoscopic videos: training dataset generation and deep-learning-based framework

Shuvra S. Bhattacharyya, Raj Shekhar, Eung-Joo Lee, 2019, Medical Imaging.

Towards a Clinical Stereoscopic Augmented Reality System for Laparoscopic Surgery

Ziv Yaniv, Jihun Oh, Raj Shekhar, 2013, CLIP.

An Approach to Word Sense Disambiguation Combining Modified Lesk and Bag-of-Words

Anirban Kundu, Raj Shekhar, Alok Ranjan Pal, 2013 .

On-demand calibration and evaluation for electromagnetically tracked laparoscope in augmented reality visualization

Sukryool Kang, Xinyang Liu, Raj Shekhar, 2016, International Journal of Computer Assisted Radiology and Surgery.

Automated Identification of Innocent Still's Murmur in Children

Sukryool Kang, Raj Shekhar, James McConnaughey, 2017, IEEE Transactions on Biomedical Engineering.

Volume Rendering of Real-Time 3D Echocardiographic Data

Raj Shekhar, Vladimir Zagrodsky, 2005, IEEE Visualization.

A hardware-accelerated approach to computing multiple image similarity measures from joint histogram

Carlos R. Castro-Pareja, Raj Shekhar, R. Shekhar, 2006, Electronic Imaging.

Incorporation of Preprocedural PET into CT-Guided Radiofrequency Ablation of Hepatic Metastases: a Nonrigid Image Registration Validation Study

Raj Shekhar, Omkar Dandekar, Peng Lei, 2010, Journal of Digital Imaging.

Elastic registration of 3D whole body CT and PET images by quaternion-based interpolation of multiple piecewise linear rigid-body registrations

Raj Shekhar, Vladimir Zagrodsky, Vivek S. Walimbe, 2004, SPIE Medical Imaging.

Model-based mapping of reconfigurable image registration on FPGA platforms

Shuvra S. Bhattacharyya, Mainak Sen, Raj Shekhar, 2008, Journal of Real-Time Image Processing.

Fully automatic segmentation of left ventricular myocardium in real-time three-dimensional echocardiography

Raj Shekhar, Vivek Walimbe, Vladimir Zagrodsky, 2006, SPIE Medical Imaging.

Model-based mapping of a nonrigid image registration algorithm to heterogeneous architectures

Shuvra S. Bhattacharyya, Mainak Sen, Raj Shekhar, 2008, 2008 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops.

Evaluation of Electromagnetic Tracking for Stereoscopic Augmented Reality Laparoscopic Visualization

Sukryool Kang, Xinyang Liu, Raj Shekhar, 2014, CLIP@MICCAI.

Clinical Image-Based Procedures. Translational Research in Medical Imaging

Marius George Linguraru, Raj Shekhar, Marius Erdt, 2014, Lecture Notes in Computer Science.

Characterization of Speed and Accuracy of a Nonrigid Registration Accelerator on Pre- and Intraprocedural Images

Bradford J. Wood, Raj Shekhar, Aradhana M. Venkatesan, 2010 .

A scalable beamforming architecture for real-time 3D ultrasonic imaging using nonuniform sampling

Carlos R. Castro-Pareja, Raj Shekhar, Omkar Dandekar, 2006, SPIE Medical Imaging.

Adaptive reduction of intensity levels in 3D images for mutual information-based registration

Raj Shekhar, Carlos Raul Castro-Pareja, 2005, SPIE Medical Imaging.

Medical Image Processing

Raj Shekhar, William Plishker, Vivek Walimbe, 2010, Handbook of Signal Processing Systems.

FPGA-Accelerated Deformable Image Registration for Improved Target-Delineation During CT-Guided Interventions

Raj Shekhar, Omkar Dandekar, 2007, IEEE Transactions on Biomedical Circuits and Systems.

A "brick" caching scheme for 3D medical imaging

Christos A. Papachristou, Raj Shekhar, Jianchun Li, 2004, 2004 2nd IEEE International Symposium on Biomedical Imaging: Nano to Macro (IEEE Cat No. 04EX821).

Mutual information-based registration of cardiac ultrasound volumes

Raj Shekhar, Vladimir Zagrodsky, J. Fredrick Cornhill, 2000, Medical Imaging: Image Processing.

Computer Assisted and Robotic Endoscopy and Clinical Image-Based Procedures

Stefan Wesarg, M. Jorge Cardoso, Terry M. Peters, 2017, Lecture Notes in Computer Science.

Mean curvature mapping for detection of corneal shape abnormality

Raj Shekhar, David Huang, Maolong Tang, 2005, IEEE Transactions on Medical Imaging.

FPGA-based acceleration of mutual information calculation for real-time 3D image registration

Carlos R. Castro-Pareja, Raj Shekhar, Jogikal M. Jagadeesh, 2004, IS&T/SPIE Electronic Imaging.

Deformable registration of CT and cone-beam CT by local CBCT intensity correction

Raj Shekhar, William Plishker, Harry Quon, 2015, Medical Imaging.

Segmentation of 830- and 1310-nm LASIK corneal optical coherence tomography images

Yan Li, Raj Shekhar, David Huang, 2002, SPIE Medical Imaging.

A statistical approach to high-quality CT reconstruction at low radiation doses for real-time guidance and navigation

Raj Shekhar, Avanti Shetye, 2007, SPIE Medical Imaging.

Multiobjective Optimization of FPGA-Based Medical Image Registration

Shuvra S. Bhattacharyya, Raj Shekhar, Omkar Dandekar, 2008, 2008 16th International Symposium on Field-Programmable Custom Computing Machines.

High-Speed of Three- and Four-dimensional Medical Images by Using Voxel Similarity 1

Carlos R. Castro-Pareja, Raj Shekhar, Vivek Walimbe, 2003 .

A reconfigurable SoC architecture and caching scheme for 3D medical image processing

Christos A. Papachristou, Raj Shekhar, Jianchun Li, 2004, 12th Annual IEEE Symposium on Field-Programmable Custom Computing Machines.

Elastic registration using 3D ChainMail: application to virtual colonoscopy

Barry Daly, Carlos R. Castro-Pareja, Raj Shekhar, 2006, SPIE Medical Imaging.

Automatic labeling of liver veins in CT by probabilistic backward tracing

Bradford J. Wood, Marius George Linguraru, Raj Shekhar, 2014, 2014 IEEE 11th International Symposium on Biomedical Imaging (ISBI).

Accurate tracking of tumor volume change during radiotherapy by CT-CBCT registration with intensity correction

Raj Shekhar, William Plishker, Harry Quon, 2016, SPIE Medical Imaging.

Application of single-image camera calibration for ultrasound augmented laparoscopic visualization

Sukryool Kang, Xinyang Liu, Raj Shekhar, 2015, Medical Imaging.

3D Stress echocardiography: development of novel visualization, registration and segmentation algorithms

Raj Shekhar, Vivek Walimbe, Vladimir Zagrodsky, 2004, CARS.

Research on the Body protective effect with airbag

Raj Shekhar, 2018 .

Real-time tracking of liver motion and deformation using a flexible needle

Bradford J. Wood, Raj Shekhar, Peng Lei, 2010, International Journal of Computer Assisted Radiology and Surgery.

Stereoscopic augmented reality using ultrasound volume rendering for laparoscopic surgery in children

Jihun Oh, Raj Shekhar, Emmanuel Wilson, 2014, Medical Imaging.

Sequential analysis driven reset optimization to improve power, area and routability

Jianfeng Liu, Abhishek Ranjan, Mohit Kumar, 2016, 2016 Design, Automation & Test in Europe Conference & Exhibition (DATE).

Accelerating mutual information-based 3D medical image registration with An FPGA computing platform (abstract only)

Christos A. Papachristou, Raj Shekhar, Jianchun Li, 2005, FPGA '05.

A Novel Algorithm for Feature Detection and Hiding from Ultrasound Images

Raj Shekhar, Haris Godil, Sonya Davey, 2013, BCB.

Multifunction extension of simplex optimization method for mutual information-based registration of ultrasound volumes

Raj Shekhar, Vladimir Zagrodsky, J. Fredrick Cornhill, 2001, SPIE Medical Imaging.

Utilizing Hierarchical Multiprocessing for Medical Image Registration

Shuvra S. Bhattacharyya, Raj Shekhar, Omkar Dandekar, 2010, IEEE Signal Processing Magazine.

Computed tomography guided laparoscopy: Proof of concept

Adrian Park, Raj Shekhar, Erica Sutton, 2010, 2010 11th International Conference on Control Automation Robotics & Vision.

PET guidance for liver radiofrequency ablation: an evaluation

Raj Shekhar, Omkar Dandekar, Peng Lei, 2007, SPIE Medical Imaging.

StethAid: A mobile platform for smart auscultation

Raj Shekhar, 2017 .

Medical Image Processing

Raj Shekhar, William Plishker, Vivek Walimbe, 2010, Handbook of Signal Processing Systems.

An FPGA-based computing platform for real-time 3D medical imaging and its application to cone-beam CT reconstruction

Christos A. Papachristou, Raj Shekhar, Jianchun Li, 2005 .

Rapid Quality Assessment of Nonrigid Image Registration Based on Supervised Learning

Nobuhiko Hata, Shuvra S. Bhattacharyya, Raj Shekhar, 2021, Journal of Digital Imaging.

Hybrid electromagnetic-ArUco tracking of laparoscopic ultrasound transducer in laparoscopic video

Raj Shekhar, William Plishker, Xinyang Liu, 2021, Journal of medical imaging.

Automatic segmentation of phase-correlated CT scans through nonrigid image registration using geometrically regularized free-form deformation.

Raj Shekhar, Warren D D'Souza, W. Plishker, 2007, Medical physics.

Texture analysis of lesions in breast ultrasound images.

Radhika Sivaramakrishna, Raj Shekhar, Kimerly A Powell, 2002, Computerized medical imaging and graphics : the official journal of the Computerized Medical Imaging Society.

Three-Dimensional Contrast-Enhanced Multidetector CT for Anatomic, Dynamic, and Perfusion Characterization of Abnormal Myocardium To Guide Ventricular Tachycardia Ablations

Raj Shekhar, Timm Dickfeld, Aharon Turgeman, 2010, Circulation. Arrhythmia and electrophysiology.

Mathematical model of corneal surface smoothing after laser refractive surgery.

Raj Shekhar, Maolong Tang, M. Tang, 2003, American journal of ophthalmology.

Multimodality Cardiac Stress Testing: Combining Real-Time 3-Dimensional Echocardiography and Myocardial Perfusion SPECT

Raj Shekhar, Vivek Walimbe, Mario J. Garcia, 2009, Journal of Nuclear Medicine.

Integration of three-dimensional scar maps for ventricular tachycardia ablation with positron emission tomography-computed tomography.

Raj Shekhar, Vasken Dilsizian, Timm Dickfeld, 2008, JACC. Cardiovascular imaging.

Automated detection of a blood pool in ultrasound images of abdominal trauma.

Raj Shekhar, Vladimir Zagrodsky, Michael Phelan, 2007, Ultrasound in medicine & biology.

TU‐C‐J‐6B‐05: A Novel Volume Subdivision‐Based Algorithm to Register Respiration Phase‐Correlated Lung CT Images

Raj Shekhar, Warren D. D'Souza, Cedric X. Yu, 2005 .

Automated 3D Elastic Registration for Improving Tumor Localization in Whole-body PET-CT from Combined Scanner

Raj Shekhar, Omkar Dandekar, Vivek Walimbe, 2006, 2006 International Conference of the IEEE Engineering in Medicine and Biology Society.

Automated prostate localization in external-beam radiotherapy using mutual information-based registration of treatment planning CT and daily 3D ultrasound images

Carlos R. Castro-Pareja, Raj Shekhar, Vladimir Zagrodsky, 2005 .

Stereoscopic augmented reality for laparoscopic surgery

Kevin Cleary, Raj Shekhar, Emmanuel Wilson, 2014, Surgical Endoscopy.

Quantitative real-time 3-dimensional stress echocardiography: a preliminary investigation of feasibility and effectiveness.

Raj Shekhar, Vivek Walimbe, Mario Garcia, 2007, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

Do tumors in the lung deform during normal respiration? An image registration investigation.

Raj Shekhar, Warren D D'Souza, M. Suntharalingam, 2009, International journal of radiation oncology, biology, physics.

Mutual information-based multimodality registration of cardiac ultrasound and SPECT images: a preliminary investigation

Raj Shekhar, Vivek Walimbe, Vladimir Zagrodsky, 2003, The International Journal of Cardiovascular Imaging.

Automated Recognition of Still’s Murmur in Children

Sukryool Kang, Raj Shekhar, James McConnaughey, 2015 .

Effect of Ultrasound Probe on Dose Delivery During Real-time Ultrasound-Guided Tumor Tracking

Raj Shekhar, Omkar Dandekar, Warren D. D'Souza, 2006, 2006 International Conference of the IEEE Engineering in Medicine and Biology Society.

Corneal pachymetry mapping with high-speed optical coherence tomography.

Yan Li, Raj Shekhar, David Huang, 2006, Ophthalmology.

Heart Sound Segmentation toward Automated Heart Murmur Classification in Pediatric Patents

Sukryool Kang, Raj Shekhar, Ahsan Khandoker, 2015, 2015 8th International Conference on Signal Processing, Image Processing and Pattern Recognition (SIP).

A longitudinal study of LASIK flap and stromal thickness with high-speed optical coherence tomography.

Yan Li, Raj Shekhar, David Huang, 2007, Ophthalmology.

High-speed registration of three- and four-dimensional medical images by using voxel similarity.

Raj Shekhar, Vivek Walimbe, Vladimir Zagrodsky, 2003, Radiographics : a review publication of the Radiological Society of North America, Inc.

Three-dimensional reconstruction of the coronary artery wall by image fusion of intravascular ultrasound and bi-plane angiography

Raj Shekhar, Steven E. Nissen, E. Murat Tuzcu, 2000, The International Journal of Cardiac Imaging.

Deformable registration of CT and cone-beam CT with local intensity matching

Raj Shekhar, William Plishker, Harry Quon, 2017, Physics in medicine and biology.