Raj Shekhar

Publication Activity (10 Years)

Years Active: 1996-2024
Publications (10 Years): 19

Top Topics

Ultrasound Images

Supervised And Unsupervised Learning

Nonrigid Image Registration

Minimally Invasive

Top Venues

Medical Imaging: Image-Guided Procedures

Int. J. Comput. Assist. Radiol. Surg.

Publications

Youness Arjoune, Trong N. Nguyen, Robin W. Doroshow, Raj Shekhar
A Noise-Robust Heart Sound Segmentation Algorithm Based on Shannon Energy. IEEE Access 12 (2024)
Harish Naik, Jan Polster, Raj Shekhar, Tamás Horváth, György Turán
Iterative Graph Neural Network Enhancement via Frequent Subgraph Mining of Explanations. CoRR (2024)
Youness Arjoune, Trong N. Nguyen, Tyler Salvador, Anha Telluri, Jonathan C. Schroeder, Robert L. Geggel, Joseph W. May, Dinesh K. Pillai, Stephen J. Teach, Shilpa J. Patel, Robin W. Doroshow, Raj Shekhar
StethAid: A Digital Auscultation Platform for Pediatrics. Sensors 23 (12) (2023)
Natasha Devroye, Abhijeet Mulgund, Raj Shekhar, György Turán, Milos Zefran, Yingyao Zhou
Interpreting Training Aspects of Deep-Learned Error-Correcting Codes. ISIT (2023)
Trong N. Nguyen, William Plishker, Andrew Matisoff, Karun Sharma, Raj Shekhar
HoloUS: Augmented reality visualization of live ultrasound images using HoloLens for ultrasound-guided procedures. Int. J. Comput. Assist. Radiol. Surg. 17 (2) (2022)
Ravi Ambati, Shanker Raja, Majed Al-Hameed, Titus John, Youness Arjoune, Raj Shekhar
Neuromorphic Architecture Accelerated Automated Seizure Detection in Multi-Channel Scalp EEG. Sensors 22 (5) (2022)
Trong N. Nguyen, Youness Arjoune, Jonathan C. Schroeder, Dinesh K. Pillai, Stephen J. Teach, Shilpa J. Patel, Raj Shekhar
Machine Learning for Automated Wheeze Detection in Children. Big Data (2022)
Eung-Joo Lee, William Plishker, Nobuhiko Hata, Paul B. Shyn, Stuart G. Silverman, Shuvra S. Bhattacharyya, Raj Shekhar
Rapid Quality Assessment of Nonrigid Image Registration Based on Supervised Learning. J. Digit. Imaging 34 (6) (2021)
Raj Shekhar
Artificial Creations: Ascription, Ownership, Time-Specific Monopolies. CoRR (2020)
Xinyang Liu, William Plishker, Timothy D. Kane, David A. Geller, Lung W. Lau, Jun Tashiro, Karun Sharma, Raj Shekhar
Preclinical evaluation of ultrasound-augmented needle navigation for laparoscopic liver ablation. Int. J. Comput. Assist. Radiol. Surg. 15 (5) (2020)
Mojtaba Karimi, Saeed Shiry Ghidary, Raj Shekhar, Timothy D. Kane, Reza Monfaredi
Magnetically anchored pan-tilt stereoscopic robot with optical-inertial stabilization for minimally invasive surgery. Medical Imaging: Image-Guided Procedures (2019)
Eung-Joo Lee, William Plishker, Xinyang Liu, Timothy D. Kane, Shuvra S. Bhattacharyya, Raj Shekhar
Segmentation of surgical instruments in laparoscopic videos: training dataset generation and deep-learning-based framework. Medical Imaging: Image-Guided Procedures (2019)
Sukryool Kang, Robin Doroshow, James McConnaughey, Raj Shekhar
Automated Identification of Innocent Still's Murmur in Children. IEEE Trans. Biomed. Eng. 64 (6) (2017)
William Plishker, Xinyang Liu, Raj Shekhar
Hybrid Tracking for Improved Registration of Laparoscopic Ultrasound and Laparoscopic Video for Augmented Reality. CARE/CLIP@MICCAI (2017)
Xinyang Liu, Christina E. Rice, Raj Shekhar
Fast calibration of electromagnetically tracked oblique-viewing rigid endoscopes. Int. J. Comput. Assist. Radiol. Surg. 12 (10) (2017)
Xinyang Liu, William Plishker, George F. Zaki, Sukryool Kang, Timothy D. Kane, Raj Shekhar
On-demand calibration and evaluation for electromagnetically tracked laparoscope in augmented reality visualization. Int. J. Comput. Assist. Radiol. Surg. 11 (6) (2016)
Seyoun Park, Adam Robinson, Harry Quon, Ana P. Kiess, Colette Shen, John Wong, William Plishker, Raj Shekhar, Junghoon Lee
Accurate tracking of tumor volume change during radiotherapy by CT-CBCT registration with intensity correction. Medical Imaging: Image-Guided Procedures (2016)
Srihari Yechangunja, Raj Shekhar, Mohit Kumar, Nikhil Tripathi, Abhishek Mittal, Abhishek Ranjan, Jianfeng Liu, Minyoung Mo, Kyung Tae Do, Jung Yun Choi, SungHo Park
Sequential analysis driven reset optimization to improve power, area and routability. DATE (2016)
Alok Ranjan Pal, Anirban Kundu, Abhay Singh, Raj Shekhar, Kunal Sinha
A Hybrid Approach to Word Sense Disambiguation Combining Supervised and Unsupervised Learning. CoRR (2016)
Seyoun Park, William Plishker, Raj Shekhar, Harry Quon, John Wong, Junghoon Lee
Deformable registration of CT and cone-beam CT by local CBCT intensity correction. Medical Imaging: Image Processing (2015)
Xinyang Liu, He Su, Sukryool Kang, Timothy D. Kane, Raj Shekhar
Application of single-image camera calibration for ultrasound augmented laparoscopic visualization. Medical Imaging: Image-Guided Procedures (2015)
Xin Kang, Qian Zhao, Karun Sharma, Raj Shekhar, Bradford J. Wood, Marius George Linguraru
Automatic labeling of liver veins in CT by probabilistic backward tracing. ISBI (2014)
Jihun Oh, Xin Kang, Emmanuel Wilson, Craig A. Peters, Timothy D. Kane, Raj Shekhar
Stereoscopic augmented reality using ultrasound volume rendering for laparoscopic surgery in children. Medical Imaging: Image-Guided Procedures (2014)
Xinyang Liu, Sukryool Kang, Emmanuel Wilson, Craig A. Peters, Timothy D. Kane, Raj Shekhar
Evaluation of Electromagnetic Tracking for Stereoscopic Augmented Reality Laparoscopic Visualization. CLIP@MICCAI (2014)
Xin Kang, Jihun Oh, Emmanuel Wilson, Ziv Yaniv, Timothy D. Kane, Craig A. Peters, Raj Shekhar
Towards a Clinical Stereoscopic Augmented Reality System for Laparoscopic Surgery. CLIP (2013)
Haris Godil, Sonya Davey, Raj Shekhar
A Novel Algorithm for Feature Detection and Hiding from Ultrasound Images. BCB (2013)
Peng Lei, Fred Moeslein, Bradford J. Wood, Raj Shekhar
Real-time tracking of liver motion and deformation using a flexible needle. Int. J. Comput. Assist. Radiol. Surg. 6 (3) (2011)
William Plishker, Omkar Dandekar, Shuvra S. Bhattacharyya, Raj Shekhar
Utilizing Hierarchical Multiprocessing for Medical Image Registration. IEEE Signal Process. Mag. 27 (2) (2010)
Peng Lei, Omkar Dandekar, David Widlus, Raj Shekhar
Incorporation of Preprocedural PET into CT-Guided Radiofrequency Ablation of Hepatic Metastases: a Nonrigid Image Registration Validation Study. J. Digit. Imaging 23 (6) (2010)
Adrian Park, Erica Sutton, Raj Shekhar
Computed tomography guided laparoscopy: Proof of concept. ICARCV (2010)
Mainak Sen, Yashwanth Hemaraj, William Plishker, Raj Shekhar, Shuvra S. Bhattacharyya
Model-based mapping of reconfigurable image registration on FPGA platforms. J. Real Time Image Process. 3 (3) (2008)
Yashwanth Hemaraj, Mainak Sen, William Plishker, Raj Shekhar, Shuvra S. Bhattacharyya
Model-based mapping of a nonrigid image registration algorithm to heterogeneous architectures. CVPR Workshops (2008)
Omkar Dandekar, William Plishker, Shuvra S. Bhattacharyya, Raj Shekhar
Multiobjective Optimization for Reconfigurable Implementation of Medical Image Registration. Int. J. Reconfigurable Comput. 2008 (2008)
Omkar Dandekar, William Plishker, Shuvra S. Bhattacharyya, Raj Shekhar
Multiobjective Optimization of FPGA-Based Medical Image Registration. FCCM (2008)
Omkar Dandekar, Carlos R. Castro-Pareja, Raj Shekhar
FPGA-based real-time 3D image preprocessing for image-guided medical interventions. J. Real Time Image Process. 1 (4) (2007)
Omkar Dandekar, Raj Shekhar
FPGA-Accelerated Deformable Image Registration for Improved Target-Delineation During CT-Guided Interventions. IEEE Trans. Biomed. Circuits Syst. 1 (2) (2007)
Jianzhou Wu, Omkar Dandekar, Vivek Walimbe, Warren D. D'Souza, Raj Shekhar
Automatic prostate localization using elastic registration of planning CT and daily 3D ultrasound images. Medical Imaging: Image-Guided Procedures (2007)
Peng Lei, Omkar Dandekar, Faaiza Mahmoud, David Widlus, Patrick Malloy, Raj Shekhar
PET guidance for liver radiofrequency ablation: an evaluation. Medical Imaging: Image-Guided Procedures (2007)
Raj Shekhar, Omkar Dandekar, Steven Kavic, Ivan M. George, Reuben Mezrich, Adrian E. Park
Development of continuous CT-guided minimally invasive surgery. Medical Imaging: Image-Guided Procedures (2007)
Vivek Walimbe, Raj Shekhar
Automatic elastic image registration by interpolation of 3D rotations and translations from discrete rigid-body transformations. Medical Image Anal. 10 (6) (2006)
Vivek Walimbe, Vladimir Zagrodsky, Raj Shekhar
Fully automatic segmentation of left ventricular myocardium in real-time three-dimensional echocardiography. Medical Imaging: Image Processing (2006)
Carlos R. Castro-Pareja, Barry Daly, Raj Shekhar
Elastic registration using 3D ChainMail: application to virtual colonoscopy. Medical Imaging: Image Processing (2006)
Omkar Dandekar, Vivek Walimbe, Raj Shekhar
Hardware Implementation of Hierarchical Volume Subdivision-based Elastic Registration. EMBC (2006)
Carlos R. Castro-Pareja, Raj Shekhar
A hardware-accelerated approach to computing multiple image similarity measures from joint histogram. Real-Time Image Processing (2006)
Omkar Dandekar, Khan M. Siddiqui, Vivek Walimbe, Raj Shekhar
Image registration accuracy with low-dose CT: how low can we go? ISBI (2006)
Jianzhou Wu, Omkar Dandekar, Daryl Nazareth, Peng Lei, Warren D. D'Souza, Raj Shekhar
Effect of Ultrasound Probe on Dose Delivery During Real-time Ultrasound-Guided Tumor Tracking. EMBC (2006)
Carlos R. Castro-Pareja, Raj Shekhar
A cubic interpolation pipeline for fast computation of 3D deformation fields modeled using B-splines. Real-Time Image Processing (2006)
Vivek Walimbe, Omkar Dandekar, Faaiza Mahmoud, Raj Shekhar
Automated 3D Elastic Registration for Improving Tumor Localization in Whole-body PET-CT from Combined Scanner. EMBC (2006)
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 Trans. Medical Imaging 24 (9) (2005)
Maolong Tang, Raj Shekhar, David Huang
Mean curvature mapping for detection of corneal shape abnormality. IEEE Trans. Medical Imaging 24 (3) (2005)
Carlos Raul Castro-Pareja, Raj Shekhar
Adaptive reduction of intensity levels in 3D images for mutual information-based registration. Medical Imaging: Image Processing (2005)
Vladimir Zagrodsky, Raj Shekhar
Volume Rendering of Real-Time 3D Echocardiographic Data. IEEE Visualization (2005)
Jianchun Li, Christos A. Papachristou, Raj Shekhar
Accelerating mutual information-based 3D medical image registration with An FPGA computing platform (abstract only). FPGA (2005)
Jianchun Li, Christos A. Papachristou, Raj Shekhar
A "Brick" Caching Scheme for 3D Medical Imaging. ISBI (2004)
Raj Shekhar, Vladimir Zagrodsky, Mario J. Garcia, James D. Thomas
Registration of real-time 3-D ultrasound images of the heart for novel 3-D stress echocardiography. IEEE Trans. Medical Imaging 23 (9) (2004)
Jianchun Li, Christos A. Papachristou, Raj Shekhar
A Reconfigurable SoC Architecture and Caching Scheme for 3D Medical Image Processing. FCCM (2004)
Vivek S. Walimbe, Vladimir Zagrodsky, Shanker Raja, Bohdan Bybel, Mangesh Kanvinde, Raj Shekhar
Elastic registration of 3D whole body CT and PET images by quaternion-based interpolation of multiple piecewise linear rigid-body registrations. Medical Imaging: Image Processing (2004)
Raj Shekhar, Vladimir Zagrodsky, Vivek Walimbe
3D Stress echocardiography: development of novel visualization, registration and segmentation algorithms. CARS (2004)
Carlos R. Castro-Pareja, Jogikal M. Jagadeesh, Sharmila Venugopal, Raj Shekhar
FPGA-based 3D median filtering using word-parallel systolic arrays. ISCAS (3) (2004)
Raj Shekhar, Vladimir Zagrodsky
Mutual Information-Based Rigid and Nonrigid Registration of Ultrasound Volumes. IEEE Trans. Medical Imaging 21 (1) (2002)
Yan Li, Raj Shekhar, David Huang
Segmentation of 830- and 1310-nm LASIK corneal optical coherence tomography images. Medical Imaging: Image Processing (2002)
Vladimir Zagrodsky, Raj Shekhar, J. Fredrick Cornhill
Multifunction extension of simplex optimization method for mutual information-based registration of ultrasound volumes. Medical Imaging: Image Processing (2001)
Vladimir Zagrodsky, Raj Shekhar, J. Fredrick Cornhill
Mutual information-based registration of cardiac ultrasound volumes. Medical Imaging: Image Processing (2000)
Jon D. Klingensmith, Raj Shekhar, D. Geoffrey Vince
Evaluation of 3-D segmentation algorithms for the identification of luminal and medialadventitial borders in IVUS images. IEEE Trans. Medical Imaging 19 (10) (2000)
Raj Shekhar, Elias Fayyad, Roni Yagel, J. Fredrick Cornhill
Octree-Based Decimation of Marching Cubes Surfaces. IEEE Visualization (1996)