I am a professor in the department of computer science and of the University of Maryland Institute of Advanced Computer Studies (UMIACS). I direct research at the Perceptual Interfaces and Reality Laboratory (PIRL), and have broad research interests in computer audition, computer vision, machine learning and scientific computing. (CV)
Audio and Computational Acoustics:
Acoustics for perceptual reality: Head Related Transfer Functions, Room Impulse Responses, Auditory Telepresence, Reproduction of audio using headphones, Reproduction using speakers. Keynote talk at Ambisonics 2010
Microphone Arrays: Beamforming, Source Localization, Source Modeling, Spherical Microphone Arrays, Cameras and Arrays, The Audio Camera, Non-blind algorithms
Speech: Speaker ID, Large Scale Computing for Speech Processing
Auditory User Interfaces: Sonification of Data, Systems for presentation, Audio in Games
Underwater acoustics: Bubble counting, sound propagation in bubbly media and fog
Scientific and Statistical Computing:
Fast Multipole Methods: Data Structures; Adaptive Algorithms; FMM for the Laplace, Helmholtz, Biharmonic, Maxwell and Stokes kernels; General kernels; Scattering problems
High Performance Computing: GPU and Heterogeneous Parallel Computing
Computational Statistics and Learning Methods: Improved Fast Gauss Transform in high dimensions; Mean-Shift; Particle Filters; "Fast N-Body Learning"; Classification, Ranking, Gaussian Processes, Speaker ID.
Data Fitting and Modeling: RBF interpolation; Data Structures for higher dimensional data; Non Uniform Fast Fourier Transforms, Data Assimilation; Gaussian Process Regression
Boundary Element Methods: Speedup via the FMM; Computation of singular and near singular integrals; Meshless Methods; Software.
Small Angle Scattering: Small Angle X-ray and Neutron scattering, fast algorithms
Other (older stuff): Electrical Impedance Tomography; Bubble Dynamics; Free surface flow; Spectral Methods; Effective Media; Inverse problems.
Computer Vision:
Vision aware audio; Tracking; Pose; Kernel methods, Vision based prosthetics for the visually impaired, application of fast algorithms to computer vision and image processing, The Audio Camera.
Open Source:
FIGTREE (Fast Gaussian summation via the improved fast gauss transform plus tree based nearest neighbor search). Information
FLAGON (Using GPUs via CUDA from Fortran 9X); WIKI
GPUML (Accelerating Machine Learning algorithms on the GPU)
Canny Edge Detection on NVIDIA CUDA
Non-negative Least Squares on GPU and Multi-coreCommercial:
Several Fast Multipole Method based products are
sold by Fantalgo
The fast multipole accelerated boundary
element solver
in the ESI-Group VA-One
product is
based on software developed by Nail
Gumerov and myself.
A comprehensive toolkit for audio-visual scene analysis is under development by VisiSonics.
I am a member/affiliate of the following departments, programs and centers, all at the University of Maryland, College Park.
The Norbert Wiener Center for Harmonic Analysis and Applications |
|
Vice Chair, IEEE Signal Processing Society, Washington DC
I am an ad hoc reviewer for several journals and conferences.
Our book: Fast Multipole Methods for the Helmholtz Equation in Three Dimensions (The Elsevier Electromagnetism Series) was published by Elsevier
For table of contents see here.
Adam O'Donovan (Computational Perception) (NVIDIA Fellowship. Prime Fellowship)
Yuancheng Luo (Scientific Computing on GPUs, Machine Learning)
Ross Adelman (Boundary Element Methods, FMM)
Khoa Ha (Interpolation, Undergraduate Honors)
Hu Qi (Heterogeneous Scientific Computing) (Facebook)
Kerry Cheng (Scattered data interpolation ) (Google)
Balaji
Vasan (Statistical Machine Learning for Climate, Speech) (Adobe Labs)
Gordon Rubin (Audio and Music Perception) (AT&T Fellowship)
Huimin Guo (Speaker Recognition at a Distance) (Microsoft)
Vikas Raykar (HRTF synthesis, microphone arrays, computational machine learning) (IBM)
Zhiyun Li (Auditory scene capture and recreation) (Samsung Labs)
Dmitry N. Zotkin (computational audio, microphone arrays, video-conferencing, active human tracking) (University of Maryland)
Zhenyu Zhang (Computational Nanoscience) (GE)
Yang Wang (visualization of versions of the Fast Multipole Method) (now at Simpson Thatcher)
Vasanth Philomin (Intelligent Vehicles, robust condensation) (now at Phillips)
Ross Cutler (Keck Laboratory) (now at Microsoft, Redmond, WA)
Ahmed Elgammal (fast summation algorithms for computer vision) (now at Rutgers University)
Ankur Mohan (vision algorithms for creating auditory space) (now at Autodesk)
Zhihui Tang (fast translation operators for the FMM, acoustical BEM) (now senior trader at Quantitative Services Group)
Kexue Liu MS, Elastic matching methods) (now at Tradeweb)
Ali Zandifar (shape from differential geometry, prosthetic devices for the visually impaired) (now at a Bay area start-up)
Hazem El-Alfy (MS, stochastic pdes) (now a faculty member at Alexandria University, Egypt)
Shravya Reddy Konda (LIDAR Data Processing) (Microsoft)
Liping Liu (GPU Computing) (Schlumberger Research)
Nail A. Gumerov (Research Professor)
Dmitry N. Zotkin (Associate Research Scientist)
Jounghoon Beh (Postdoctoral Scientist)
Elena Grassi (now a researcher at Army Audiology and Speech Center, Walter Reed Army Medical Center, Washington, DC)
Prof. Hanseok Ko (Korea University, Seoul, Korea)
Prof. B. Yegnanarayana (IIIT Hyderabad; formerly at IIT Madras)
Prof. Fadoulourahmane Seydou (Oulu)
Prof. Pascal Fua (EPFL)
Mail address: UMIACS, Univ. of Maryland, Room 3361 A.V. Williams Building; #115, College Park, MD 20742, USA