Consistent Estimation of Cardiac Motions by 4D Image Registration. - Dinggang Shen; Hari Sundar; Zhong Xue; Yong Fan 001; Harold Litt (MICCAI (2), 2005)

Estimating myocardial fiber orientations by template warping. - Hari Sundar; Dinggang Shen; George Biros; Harold Litt; Christos Davatzikos (ISBI, 2006)

A novel 2D-3D registration algorithm for aligning fluoro images with 3D pre-op CT/MR images. - Hari Sundar; Ali Khamene; Chenyang Xu 001; Frank Sauer; Christos Davatzikos (Image-Guided Procedures, 2006)

Robust Computation of Mutual Information Using Spatially Adaptive Meshes. - Hari Sundar; Dinggang Shen; George Biros; Chenyang Xu 001; Christos Davatzikos (MICCAI (1), 2007)

Low-constant parallel algorithms for finite element simulations using linear octrees. - Hari Sundar; Rahul S. Sampath; Santi S. Adavani; Christos Davatzikos; George Biros (SC, 2007)

Dendro: parallel algorithms for multigrid and AMR methods on 2: 1 balanced octrees. - Rahul S. Sampath; Santi S. Adavani; Hari Sundar; Ilya Lashuk; George Biros (SC, 2008)

Bottom-Up Construction and 2: 1 Balance Refinement of Linear Octrees in Parallel. - Hari Sundar; Rahul S. Sampath; George Biros (SIAM J. Sci. Comput., 2008)

Biomechanically-Constrained 4D Estimation of Myocardial Motion. - Hari Sundar; Christos Davatzikos; George Biros (MICCAI (1), 2009)

Automatic Image-Based Cardiac and Respiratory Cycle Synchronization and Gating of Image Sequences. - Hari Sundar; Ali Khamene; Liron Yatziv; Chenyang Xu 001 (MICCAI (1), 2009)

Curve-based 2D-3D registration of coronary vessels for image guided procedure. - Luc Duong; Rui Liao; Hari Sundar; Benoit Tailhades; Andreas Meyer 008; Chenyang Xu 001 (Image-Guided Procedures, 2009)

Estimating myocardial motion by 4D image warping. - Hari Sundar; Harold Litt; Dinggang Shen (Pattern Recognit., 2009)

Model-based respiratory motion compensation for image-guided cardiac interventions. - Matthias Schneider; Hari Sundar; Rui Liao; Joachim Hornegger; Chenyang Xu 001 (CVPR, 2010)

Automatic global vessel segmentation and catheter removal using local geometry information and vector field integration. - Matthias Schneider; Hari Sundar (ISBI, 2010)

An Efficient Graph-Based Deformable 2D/3D Registration Algorithm with Applications for Abdominal Aortic Aneurysm Interventions. - Rui Liao; Yunhao Tan; Hari Sundar; Marcus Pfister; Ali Kamen (MIAR, 2010)

Image-Based Respiratory Motion Compensation for Fluoroscopic Coronary Roadmapping. - Ying Zhu; Yanghai Tsin; Hari Sundar; Frank Sauer (MICCAI (3), 2010)

Parallel Fast Gauss Transform. - Rahul S. Sampath; Hari Sundar; Shravan K. Veerapaneni (SC, 2010)

A robust and accurate approach to automatic blood vessel detection and segmentation from angiography x-ray images using multistage random forests. - Vipin Gupta; Amit Kale; Hari Sundar (Computer-Aided Diagnosis, 2012)

Coronary arteries motion modeling on 2D x-ray images. - Yang Gao; Hari Sundar (Image-Guided Procedures, 2012)

Parallel geometric-algebraic multigrid on unstructured forests of octrees. - Hari Sundar; George Biros; Carsten Burstedde; Johann Rudi; Omar Ghattas; Georg Stadler (SC, 2012)

Nonrigid 2D/3D Registration of Coronary Artery Models With Live Fluoroscopy for Guidance of Cardiac Interventions. - David Rivest-Hénault; Hari Sundar; Mohamed Cheriet (IEEE Trans. Medical Imaging, 2012)

HykSort: a new variant of hypercube quicksort on distributed memory architectures. - Hari Sundar; Dhairya Malhotra; George Biros (ICS, 2013)

Algorithms for high-throughput disk-to-disk sorting. - Hari Sundar; Dhairya Malhotra; Karl W. Schulz (SC, 2013)

A Nested Partitioning Scheme for Parallel Heterogeneous Clusters. - Jesse Kelly; Omar Ghattas; Hari Sundar (CoRR, 2013)

Designing Scalable Out-of-core Sorting with Hybrid MPI+PGAS Programming Models. - Jithin Jose; Sreeram Potluri; Hari Subramoni; Xiaoyi Lu; Khaled Hamidouche; Karl W. Schulz; Hari Sundar; Dhabaleswar K. Panda 001 (PGAS, 2014)

FFT, FMM, or MULTIGRID? A comparative study of state-of-the-art poisson solvers. - Amir Gholami; Dhairya Malhotra; Hari Sundar; George Biros (CoRR, 2014)

A Nested Partitioning Algorithm for Adaptive Meshes on Heterogeneous Clusters. - Hari Sundar; Omar Ghattas (ICS, 2015)

Comparison of multigrid algorithms for high-order continuous finite element discretizations. - Hari Sundar; Georg Stadler; George Biros (Numer. Linear Algebra Appl., 2015)

FFT, FMM, or Multigrid? A comparative Study of State-Of-the-Art Poisson Solvers for Uniform and Nonuniform Grids in the Unit Cube. - Amir Gholami; Dhairya Malhotra; Hari Sundar; George Biros (SIAM J. Sci. Comput., 2016)

Machine and Application Aware Partitioning for Adaptive Mesh Refinement Applications. - Milinda Fernando; Dmitry Duplyakin; Hari Sundar (HPDC, 2017)

Efficient parallel streaming algorithms for large-scale inverse problems. - Hari Sundar (HPEC, 2017)

A Scalable Hierarchical Semi-Separable Library for Heterogeneous Clusters. - Isuru Dilanka Fernando; Sanath Jayasena; Milinda Fernando; Hari Sundar (ICPP, 2017)

Parallel Algorithms for the Computation of Cycles in Relative Neighborhood Graphs. - Hari Sundar; Parmeshwar Khurd (ICPP, 2017)

Reproducing ParConnect for SC16. - Marek S. Baranowski; Braden Caywood; Hannah Eyre; Janaan Lake; Kevin Parker; Kincaid Savoie; Hari Sundar; Mary W. Hall (Parallel Comput., 2017)

Utilizing GPU Parallelism to Improve Fast Spherical Harmonic Transforms. - Max Carlson; Hari Sundar (HPEC, 2018)

Improving Performance and Scalability of Algebraic Multigrid through a Specialized MATVEC. - Majid Rasouli; Vidhi Zala; Robert M. Kirby; Hari Sundar (HPEC, 2018)

Towards Triangle Counting on GPU using Stable Radix binning. - Nishith Tirpankar; Hari Sundar (HPEC, 2018)

Scalable Lazy-update Multigrid Preconditioners. - Majid Rasouli; Vidhi Zala; Robert M. Kirby; Hari Sundar (HPEC, 2019)

A scalable framework for adaptive computational general relativity on heterogeneous clusters. - Milinda Fernando; David Neilsen; Eric W. Hirschmann; Hari Sundar (ICS, 2019)

Solving PDEs in space-time: 4D tree-based adaptivity, mesh-free and matrix-free approaches. - Masado Ishii; Milinda Fernando; Kumar Saurabh; Biswajit Khara; Baskar Ganapathysubramanian; Hari Sundar (SC, 2019)

Massively Parallel Simulations of Binary Black Hole Intermediate-Mass-Ratio Inspirals. - Milinda Fernando; David Neilsen; Hyun Lim; Eric W. Hirschmann; Hari Sundar (SIAM J. Sci. Comput., 2019)

A scalable framework for solving fractional diffusion equations. - Max Carlson; Robert M. Kirby; Hari Sundar (ICS, 2020)

Industrial scale large eddy simulations (LES) with adaptive octree meshes using immersogeometric analysis. - Kumar Saurabh; Boshun Gao; Milinda Fernando; Songzhe Xu; Biswajit Khara; Makrand A. Khanwale; Ming-Chen Hsu; Adarsh Krishnamurthy; Hari Sundar; Baskar Ganapathysubramanian (CoRR, 2020)

Simulating two-phase flows with thermodynamically consistent energy stable Cahn-Hilliard Navier-Stokes equations on parallel adaptive octree based meshes. - Makrand A. Khanwale; Alec D. Lofquist; Hari Sundar; James A. Rossmanith; Baskar Ganapathysubramanian (J. Comput. Phys., 2020)

Data-driven Mixed Precision Sparse Matrix Vector Multiplication for GPUs. - Khalid Ahmad; Hari Sundar; Mary W. Hall (ACM Trans. Archit. Code Optim., 2020)

A Compressed, Divide and Conquer Algorithm for Scalable Distributed Matrix-Matrix Multiplication. - Majid Rasouli; Robert M. Kirby; Hari Sundar (HPC Asia, 2021)

Case study of SARS-CoV-2 transmission risk assessment in indoor environments using cloud computing resources. - Kumar Saurabh; Santi Adavani; Kendrick Tan; Masado Ishii; Boshun Gao; Adarsh Krishnamurthy; Hari Sundar; Baskar Ganapathysubramanian (SC (Workshops), 2021)

Scalable adaptive PDE solvers in arbitrary domains. - Kumar Saurabh; Masado Ishii; Milinda Fernando; Boshun Gao; Kendrick Tan; Ming-Chen Hsu; Adarsh Krishnamurthy; Hari Sundar; Baskar Ganapathysubramanian (SC, 2021)

Industrial scale Large Eddy Simulations with adaptive octree meshes using immersogeometric analysis. - Kumar Saurabh; Boshun Gao; Milinda Fernando; Songzhe Xu; Makrand A. Khanwale; Biswajit Khara; Ming-Chen Hsu; Adarsh Krishnamurthy; Hari Sundar; Baskar Ganapathysubramanian (Comput. Math. Appl., 2021)

An open-source parallel code for computing the spectral fractional Laplacian on 3D complex geometry domains. - Max Carlson; Xiaoning Zheng; Hari Sundar; George Em Karniadakis; Robert M. Kirby (Comput. Phys. Commun., 2021)

Finch: Domain Specific Language and Code Generation for Finite Element and Finite Volume in Julia. - Eric Heisler; Aadesh Deshmukh; Hari Sundar (ICCS (1), 2022)

A scalable adaptive-matrix SPMV for heterogeneous architectures. - Han D. Tran; Milinda Fernando; Kumar Saurabh; Baskar Ganapathysubramanian; Robert M. Kirby; Hari Sundar (IPDPS, 2022)

A GPU-Accelerated AMR Solver for Gravitational Wave Propagation. - Milinda Fernando; David Neilsen; Eric W. Hirschmann; Yosef Zlochower; Hari Sundar; Omar Ghattas; George Biros (SC, 2022)

Scalable adaptive algorithms for next-generation multiphase simulations. - Kumar Saurabh; Masado Ishii; Makrand A. Khanwale; Hari Sundar; Baskar Ganapathysubramanian (CoRR, 2022)

A fully-coupled framework for solving Cahn-Hilliard Navier-Stokes equations: Second-order, energy-stable numerical methods on adaptive octree based meshes. - Makrand A. Khanwale; Kumar Saurabh; Milinda Fernando; Victor M. Calo; Hari Sundar; James A. Rossmanith; Baskar Ganapathysubramanian (Comput. Phys. Commun., 2022)

Scalable Local Timestepping on Octree Grids. - Milinda Fernando; Hari Sundar (SIAM J. Sci. Comput., 2022)

Scalable parallelization for the solution of phonon Boltzmann Transport Equation. - Han D. Tran; Siddharth Saurav; P. Sadayappan; Sandip Mazumder; Hari Sundar (ICS, 2023)

Scalable adaptive algorithms for next-generation multiphase flow simulations. - Kumar Saurabh; Masado Ishii; Makrand A. Khanwale; Hari Sundar; Baskar Ganapathysubramanian (IPDPS, 2023)

TANGO: A GPU optimized traceback approach for sequence alignment algorithms. - LeAnn Lindsey; Muhammad Haseeb; Hari Sundar; Muaaz Gul Awan (SC Workshops, 2023)

An autoencoder compression approach for accelerating large-scale inverse problems. - Jonathan Wittmer; Jacob C. Badger; Hari Sundar; Tan Bui-Thanh (CoRR, 2023)

Generating Finite Element Codes combining Adaptive Octrees with Complex Geometries. - Eric Heisler; Cheng-Hau Yang; Aadesh Deshmukh; Baskar Ganapathysubramanian; Hari Sundar (CoRR, 2023)

Automating GPU Scalability for Complex Scientific Models: Phonon Boltzman Transport Equation. - Eric Heisler; Siddharth Saurav; Aadesh Deshmukh; Sandip Mazumder; Ponnuswamy Sadayappan; Hari Sundar (CoRR, 2023)

A projection-based, semi-implicit time-stepping approach for the Cahn-Hilliard Navier-Stokes equations on adaptive octree meshes. - Makrand A. Khanwale; Kumar Saurabh; Masado Ishii; Hari Sundar; James A. Rossmanith; Baskar Ganapathysubramanian (J. Comput. Phys., 2023)

Multi-discretization domain specific language and code generation for differential equations. - Eric Heisler; Aadesh Deshmukh; Sandip Mazumder; Ponnuswamy Sadayappan; Hari Sundar (J. Comput. Sci., 2023)

Automating GPU Scalability for Complex Scientific Models: Phonon Boltzmann Transport Equation. - Eric Heisler; Siddharth Saurav; Aadesh Deshmukh; Sandip Mazumder; Hari Sundar (IPDPS, 2024)