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Research Output 1900 2019

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5 Citations (Scopus)

Improved approach to robust speech recognition using minimum error classification

Lin, M. T., Spanias, A. & Loizou, P., Jan 2000, In : Speech Communication. 30, 1, p. 27-36 10 p.

Research output: Contribution to journalArticle

Robust Speech Recognition
Speech recognition
Telephone
Speech Recognition
Digit
7 Citations (Scopus)

Improved speech recognition using a subspace projection approach

Loizou, P. C. & Spanias, A., 1999, In : IEEE Transactions on Speech and Audio Processing. 7, 3, p. 343-345 3 p.

Research output: Contribution to journalArticle

speech recognition
Speech recognition
divergence
projection
1 Citation (Scopus)

Improving discrimination of confusable words using the divergence measure

Loizou, P. & Spanias, A., Feb 1997, In : Journal of the Acoustical Society of America. 101, 2, p. 1106-1111 6 p.

Research output: Contribution to journalArticle

discrimination
divergence
preprocessing
gradients
Divergence
44 Citations (Scopus)

Information flow and application to epileptogenic focus localization from intracranial EEG

Sabesan, S., Good, L. B., Tsakalis, K., Spanias, A., Treiman, D. M. & Iasemidis, L. D., Jun 2009, In : IEEE Transactions on Neural Systems and Rehabilitation Engineering. 17, 3, p. 244-253 10 p.

Research output: Contribution to journalArticle

Electroencephalography
Partial Epilepsy
Surgery
Linear systems
Large scale systems
90 Citations (Scopus)

Interactive online undergraduate laboratories using J-DSP

Spanias, A. & Atti, V., Nov 2005, In : IEEE Transactions on Education. 48, 4, p. 735-749 15 p.

Research output: Contribution to journalArticle

Signal processing
Digital signal processing
simulation
Students
Textbooks
1 Citation (Scopus)

Interfacing Java-DSP with a TI DSK for use in a signal processing class

Spanias, A., Huang, C. W., Natarajan, A., Ferzli, R., Kwon, H., Atti, V., Berisha, V., Iasemidis, L., Krishnamoorthi, H., Spanias, P., Misra, S., Banavar, M., Tsakalis, K. & Haag, S., Jul 2007, In : Computers in Education Journal. 17, 3, p. 27-35 9 p.

Research output: Contribution to journalArticle

Signal processing
Fast Fourier transforms
hardware
Students
Hardware
1 Citation (Scopus)

Interfacing J-DSP with a TI DSK for use in a signal processing class

Huang, C. W., Natarajan, A., Ferzli, R. & Spanias, A., 2006, In : ASEE Annual Conference and Exposition, Conference Proceedings.

Research output: Contribution to journalArticle

Signal processing
Fast Fourier transforms
Students
Hardware
Starters
9 Citations (Scopus)

IPhone/iPad based interactive laboratory for signal processing in mobile devices

Liu, J., Thiagarajan, J. J., Spanias, A., Ramamurthy, K. N., Hu, S. & Banavar, M. K., 2011, In : ASEE Annual Conference and Exposition, Conference Proceedings.

Research output: Contribution to journalArticle

Mobile devices
Signal processing
2 Citations (Scopus)

J-DSP/ESE laboratories for analyzing climate change

Ramamurthy, K. N., Spanias, A. & Hinnov, L. A., 2011, In : ASEE Annual Conference and Exposition, Conference Proceedings.

Research output: Contribution to journalArticle

Climate change
8 Citations (Scopus)

Kernel sparse models for automated tumor segmentation

Thiagarajan, J. J., Ramamurthy, K. N., Rajan, D., Spanias, A., Puri, A. & Frakes, D., 2014, In : International Journal on Artificial Intelligence Tools. 23, 3, 1460004.

Research output: Contribution to journalArticle

Tumors
Magnetic resonance
Glossaries
Pixels
Brain
21 Citations (Scopus)

Learning Stable Multilevel Dictionaries for Sparse Representations

Thiagarajan, J. J., Natesan Ramamurthy, K. & Spanias, A., Sep 1 2015, In : IEEE Transactions on Neural Networks and Learning Systems. 26, 9, p. 1913-1926 14 p., 6926841.

Research output: Contribution to journalArticle

Glossaries
Learning algorithms
Learning systems
Recovery
Atoms
1 Citation (Scopus)

Location estimation and detection in wireless sensor networks in the presence of fading

Zhang, X., Tepedelenlioglu, C., Banavar, M. K., Spanias, A. & Muniraju, G., Feb 1 2019, In : Physical Communication. 32, p. 62-74 13 p.

Research output: Contribution to journalArticle

Anchors
Fading channels
Wireless sensor networks
Fusion reactions
Rayleigh fading
15 Citations (Scopus)

Low bit-rate speech coding based on an improved sinusoidal model

Ahmadi, S. & Spanias, A., Jul 2001, In : Speech Communication. 34, 4, p. 369-390 22 p.

Research output: Contribution to journalArticle

Speech Coding
Speech coding
coding
Phase Error
Linear Prediction
19 Citations (Scopus)

Max Consensus in Sensor Networks: Non-linear Bounded Transmission and Additive Noise

Zhang, S., Tepedelenlioglu, C., Banavar, M. K. & Spanias, A., 2016, In : IEEE Sensors Journal. PP, 99, 7574375.

Research output: Contribution to journalArticle

Additive noise
Sensor networks
communication
sensors
Communication
2 Citations (Scopus)

Measuring information flow in nonlinear systems - A modeling approach in the state space

Veeramani, B., Prasad, A., Krishnamurthi, N., Spanias, A. & Iasemidis, L. D., 2003, In : Biomedical Sciences Instrumentation. 39, p. 65-70 6 p.

Research output: Contribution to journalArticle

Bioengineering
Chaotic systems
Physics
Electrical engineering
Nonlinear systems
10 Citations (Scopus)

Measuring the direction and the strength of coupling in nonlinear systems - A modeling approach in the state space

Veeramani, B., Krishnamurthi, N., Prasad, A., Iasemidis, L. D., Spanias, A. & Tsakalis, K., Jul 2004, In : IEEE Signal Processing Letters. 11, 7, p. 617-620 4 p.

Research output: Contribution to journalArticle

Transfer functions
Nonlinear systems
State Space
Nonlinear Systems
Transfer Function
11 Citations (Scopus)

Mixed Fourier/Walsh transform scheme for speech coding at 4.0 kbit/s

Spanias, A. & Loizou, P. C., Oct 1992, In : IEE Proceedings, Part I: Communications, Speech and Vision. 139, 5, p. 473-481 9 p.

Research output: Contribution to journalArticle

Walsh transforms
Speech coding
Fourier transforms
Vector quantization
Sampling
46 Citations (Scopus)

Mixing matrix estimation using discriminative clustering for blind source separation

J. Thiagarajan, J., Natesan Ramamurthy, K. & Spanias, A., Jan 2013, In : Digital Signal Processing: A Review Journal. 23, 1, p. 9-18 10 p.

Research output: Contribution to journalArticle

Blind source separation
Source separation
Discriminant analysis
Clustering algorithms
53 Citations (Scopus)

Multiple kernel sparse representations for supervised and unsupervised learning

Thiagarajan, J. J., Ramamurthy, K. N. & Spanias, A., 2014, In : IEEE Transactions on Image Processing. 23, 7, p. 2905-2915 11 p., 6813695.

Research output: Contribution to journalArticle

Unsupervised learning
Supervised learning
Glossaries
Object recognition
2 Citations (Scopus)

Nonlinear Amplify-and-Forward Distributed Estimation over Nonidentical Channels

Santucci, R., Banavar, M. K., Tepedelenlioʇlu, C. & Spanias, A., Nov 1 2015, In : IEEE Transactions on Vehicular Technology. 64, 11, p. 5390-5395 6 p., 6982200.

Research output: Contribution to journalArticle

Distributed Estimation
Amplify-and-forward
Channel state information
Channel State Information
Transmitter
16 Citations (Scopus)

Non-linear distributed average consensus using bounded transmissions

Dasarathan, S., Tepedelenliolu, C., Banavar, M. K. & Spanias, A., 2013, In : IEEE Transactions on Signal Processing. 61, 23, p. 6000-6009 10 p., 6605593.

Research output: Contribution to journalArticle

Approximation theory
Communication
Covariance matrix
Random variables
Sensors
22 Citations (Scopus)

On-line signal processing using J-DSP

Spanias, A., Atti, V., Papandreou-Suppappola, A., Ahmed, K., Zaman, M. & Thrasyvoulou, T., Oct 2004, In : IEEE Signal Processing Letters. 11, 10, p. 821-825 5 p.

Research output: Contribution to journalArticle

Java
Signal Processing
Signal processing
Students
Z transforms
8 Citations (Scopus)
efficiency
Fusion reactions
Sensors
Gaussian distribution
equality
40 Citations (Scopus)

On the effectiveness of multiple antennas in distributed detection over fading MACs

Banavar, M. K., Smith, A. D., Tepedelenlioglu, C. & Spanias, A., May 2012, In : IEEE Transactions on Wireless Communications. 11, 5, p. 1744-1752 9 p., 6170856.

Research output: Contribution to journalArticle

Multiple Antennas
Fading
Fusion
Fusion reactions
Antennas
10 Citations (Scopus)

ON the use of Java-DSP in earth systems

Ramamurthy, K., Spanias, A., Hinnov, L. & Ogg, J., 2008, In : ASEE Annual Conference and Exposition, Conference Proceedings.

Research output: Contribution to journalArticle

Earth (planet)
7 Citations (Scopus)

On the use of labview in signals and systems

Thiagarajan, J. J., Tsakalis, K., Spanias, A. & Thornburg, H., 2009, In : ASEE Annual Conference and Exposition, Conference Proceedings.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Optimality and stability of the K-hyperline clustering algorithm

Thiagarajan, J. J., Ramamurthy, K. N. & Spanias, A., Jul 1 2011, In : Pattern Recognition Letters. 32, 9, p. 1299-1304 6 p.

Research output: Contribution to journalArticle

Clustering algorithms
Singular value decomposition
Glossaries
13 Citations (Scopus)

Optimizing Kernel Machines Using Deep Learning

Song, H., Thiagarajan, J. J., Sattigeri, P. & Spanias, A., Mar 6 2018, (Accepted/In press) In : IEEE Transactions on Neural Networks and Learning Systems.

Research output: Contribution to journalArticle

Hilbert spaces
Learning systems
Fusion reactions
Electric fuses
Computational efficiency
557 Citations (Scopus)

Perceptual coding of digital audio

Painter, T. & Spanias, A., 2000, In : Proceedings of the IEEE. 88, 4, p. 451-512 62 p.

Research output: Contribution to journalArticle

Discrete cosine transforms
Filter banks
Signal analysis
Standardization
Fillers
2 Citations (Scopus)

Perceptually-motivated all-pole modeling

Atti, V. & Spanias, A., 2009, In : IEEE Signal Processing Letters. 16, 8, p. 695-698 4 p.

Research output: Contribution to journalArticle

Pole
Poles
Modeling
Speech Analysis
Speech analysis
17 Citations (Scopus)

Perceptual segmentation and component selection for sinusoidal representations of audio

Painter, T. & Spanias, A., Mar 2005, In : IEEE Transactions on Speech and Audio Processing. 13, 2, p. 149-161 13 p.

Research output: Contribution to journalArticle

sine waves
augmentation
audio signals
loudness
ranking
21 Citations (Scopus)

Performance of precoded OFDM with channel estimation error

Ahmed, K. I., Tepedelenlioglu, C. & Spanias, A., Mar 2006, In : IEEE Transactions on Signal Processing. 54, 3, p. 1165-1171 7 p.

Research output: Contribution to journalArticle

Channel estimation
Orthogonal frequency division multiplexing
Channel state information
Error probability
85 Citations (Scopus)

Porphyrin-functionalized single-walled carbon nanotube chemiresistive sensor arrays for VOCs

Shirsat, M. D., Sarkar, T., Kakoullis, J., Myung, N. V., Konnanath, B., Spanias, A. & Mulchandani, A., Feb 9 2012, In : Journal of Physical Chemistry C. 116, 5, p. 3845-3850 6 p.

Research output: Contribution to journalArticle

volatile organic compounds
Porphyrins
Sensor arrays
Single-walled carbon nanotubes (SWCN)
Volatile organic compounds
1 Citation (Scopus)
Fixed point arithmetic
Fast Fourier transforms
Computational complexity
Experiments
20 Citations (Scopus)

Predictability of epileptic seizures: A comparative study using Lyapunov exponent and entropy based measures

Sabesan, S., Krishnamurthi, N., Prasad, A., Spanias, A., Sackellares, J. C. & Iasemidis, L. D., 2003, In : Biomedical Sciences Instrumentation. 39, p. 129-135 7 p.

Research output: Contribution to journalArticle

Entropy
Epilepsy
Electrodes
Seizures
Information Theory
19 Citations (Scopus)
Inductively coupled plasma mass spectrometry
Clustering algorithms
Nanoparticles
Dynamic light scattering
Impurities

Reconstruction-Free Compressive Vision for Surveillance Applications

Braun, H., Turaga, P., Spanias, A., Katoch, S., Jayasuriya, S. & Tepedelenlioglu, C., Jan 1 2019, In : Synthesis Lectures on Signal Processing. 14, 1, p. 1-100 100 p.

Research output: Contribution to journalArticle

Compressed sensing
Computer vision
Magnetic resonance
Imaging systems
Navigation
7 Citations (Scopus)

Recovering non-negative and combined sparse representations

Ramamurthy, K. N., Thiagarajan, J. J. & Spanias, A., Mar 2014, In : Digital Signal Processing: A Review Journal. 26, 1, p. 21-35 15 p.

Research output: Contribution to journalArticle

Recovery
Linear systems
Phase transitions
14 Citations (Scopus)

Robust Consensus in the Presence of Impulsive Channel Noise

Dasarathan, S., Tepedelenlioʇlu, C., Banavar, M. K. & Spanias, A., Apr 15 2015, In : IEEE Transactions on Signal Processing. 63, 8, p. 2118-2129 12 p., 7054507.

Research output: Contribution to journalArticle

Approximation theory
Covariance matrix
Random variables
Communication
1 Citation (Scopus)

Search-free codebook mapping for artificial bandwidth extension

Park, H., Yoon, B., Kang, S. & Spanias, A., Apr 2012, In : IEICE Transactions on Communications. E95-B, 4, p. 1479-1482 4 p.

Research output: Contribution to journalArticle

Bandwidth
Processing
47 Citations (Scopus)

Segmentation, indexing, and retrieval for environmental and natural sounds

Wichern, G., Xue, J., Thornburg, H., Mechtley, B. & Spanias, A., Mar 2010, In : IEEE Transactions on Audio, Speech and Language Processing. 18, 3, p. 688-707 20 p., 5410056.

Research output: Contribution to journalArticle

retrieval
Acoustic waves
acoustics
recording
Audio recordings
7 Citations (Scopus)

Sinusoidal analysis-synthesis of audio using perceptual criteria

Painter, T. & Spanias, A., Jan 1 2003, In : Eurasip Journal on Applied Signal Processing. 2003, 1, p. 15-20 6 p.

Research output: Contribution to journalArticle

Masks
110 Citations (Scopus)

Smart antenna system analysis, integration and performance for Mobile Ad-Hoc Networks (MANETs)

Bellofiore, S., Foutz, J., Govindarajula, R., Bahçeci, I., Balanis, C., Spanias, A., Capone, J. M. & Duman, T. M., May 2002, In : IEEE Transactions on Antennas and Propagation. 50, 5, p. 571-581 11 p.

Research output: Contribution to journalArticle

Smart antennas
Mobile ad hoc networks
Systems analysis
Antennas
Direction of arrival
97 Citations (Scopus)

Smart-antenna system for mobile communication networks Part 2: Beamforming and network throughput

Bellofiore, S., Foutz, J., Balanis, C. & Spanias, A., Aug 2002, In : IEEE Antennas and Propagation Magazine. 44, 4, p. 106-114 9 p.

Research output: Contribution to journalArticle

Smart antennas
Beamforming
Telecommunication networks
Throughput
Directional patterns (antenna)
140 Citations (Scopus)

Smart-antenna systems for mobile communication networks. Part 1: Overview and antenna design

Bellofiore, S., Balanis, C., Foutz, J. & Spanias, A., Jun 2002, In : IEEE Antennas and Propagation Magazine. 44, 3, p. 145-154 10 p.

Research output: Contribution to journalArticle

Smart antennas
Telecommunication networks
Antennas
Beamforming
Throughput
220 Citations (Scopus)

Speech coding: a tutorial review

Spanias, A., Oct 1994, In : Proceedings of the IEEE. 82, 10, p. 1541-1582 42 p.

Research output: Contribution to journalArticle

Speech coding
Vocoders
Military communications
Cellular radio systems
1 Citation (Scopus)

Speech coding for mobile and multimedia applications

Spanias, A., Apr 28 1995, In : Proceedings of SPIE - The International Society for Optical Engineering. 10279, p. 115-144 30 p., 1027908.

Research output: Contribution to journalArticle

Speech Coding
Speech coding
Mobile Applications
Multimedia Applications
multimedia
11 Citations (Scopus)

Speech enhancement using state-based estimation and sinusoidal modeling

Deisher, M. E. & Spanias, A., Aug 1997, In : Journal of the Acoustical Society of America. 102, 2 pt 1, p. 1141-1149 9 p.

Research output: Contribution to journalArticle

augmentation
harmonics
sine waves
noise spectra
estimators

THE java-DSP phase 3 project: An interdisciplinary multi-university effort

Spanias, A., Hinnov, L., Stiber, M., Akujuobi, C., Pattichis, M., Pattichis, C., Doering, E., Ramamurthy, K., Mehta, S., Ayyanar, R. & Thornburg, H., 2009, In : ASEE Annual Conference and Exposition, Conference Proceedings.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Time- and frequency-domain X-block least-mean-square algorithms for active noise control

Shen, Q. & Spanias, A., Nov 1996, In : Noise Control Engineering Journal. 44, 6, p. 281-293 13 p.

Research output: Contribution to journalArticle

Active noise control
Least-Squares Analysis
Noise
filters
Adaptive algorithms