Koushik Maharatna

Publication Activity (10 Years)

Years Active: 2001-2022
Publications (10 Years): 31

Top Topics

Phase Space Reconstruction

Supervised Learning

Brain Connectivity

Top Venues

IEEE J. Biomed. Health Informatics

Comput. Biol. Medicine

Publications

Hanjie Chen, Saptarshi Das, John M. Morgan, Koushik Maharatna
Prediction and classification of ventricular arrhythmia based on phase-space reconstruction and fuzzy c-means clustering. Comput. Biol. Medicine 142 (2022)
Swati Bhardwaj, Shashank Raghuraman, Jayesh B. Yerrapragada, Agathya Jagirdar, Koushik Maharatna, Amit Acharyya
Low-Complex and Low-Power n-dimensional Gram-Schmidt Orthogonalization Architecture Design Methodology. Circuits Syst. Signal Process. 41 (3) (2022)
Dalal Bakheet, Koushik Maharatna
Linear and nonlinear analysis of intrinsic mode function after facial stimuli presentation in children with autism spectrum disorder. Comput. Biol. Medicine 133 (2021)
Hanjie Chen, Benedict M. Wiles, Paul R. Roberts, John M. Morgan, Koushik Maharatna
A new algorithm to reduce T-wave over-sensing based on phase space reconstruction in S-ICD system. Comput. Biol. Medicine 137 (2021)
Hanjie Chen, Saptarshi Das, John M. Morgan, Koushik Maharatna
An effective PSR-based arrhythmia classifier using self-similarity analysis. Biomed. Signal Process. Control. 69 (2021)
Noura Alotaibi, Koushik Maharatna
Classification of Autism Spectrum Disorder From EEG-Based Functional Brain Connectivity Analysis. Neural Comput. 33 (7) (2021)
Dalal Bakheet, Noura Alotaibi, Daniel Konn, Brigitte Vollmer, Koushik Maharatna
Prediction of Cerebral Palsy in Newborns With Hypoxic-Ischemic Encephalopathy Using Multivariate EEG Analysis and Machine Learning. IEEE Access 9 (2021)
Sarbani Das, Koushik Maharatna
An automated toolchain for quantitative characterisation of structural connectome from MRI based on non-anatomical cortical parcellation. EMBC (2020)
Hanjie Chen, Koushik Maharatna
An Automatic R and T Peak Detection Method Based on the Combination of Hierarchical Clustering and Discrete Wavelet Transform. IEEE J. Biomed. Health Informatics 24 (10) (2020)
Hanjie Chen, Koushik Maharatna
An Automatic R-peak Detection Method Based on Hierarchical Clustering. BioCAS (2019)
Rafael Angel Gutierrez Nuno, Koushik Maharatna
A phase lag index hardware calculation for real-time electroencephalography studies. EMBC (2019)
Madhuri Panwar, Dwaipayan Biswas, Harsh Bajaj, Michael Jöbges, Ruth Turk, Koushik Maharatna, Amit Acharyya
Rehab-Net: Deep Learning Framework for Arm Movement Classification Using Wearable Sensors for Stroke Rehabilitation. IEEE Trans. Biomed. Eng. 66 (11) (2019)
Amit Acharyya, Pranit Jadhav, Valentina Bono, Koushik Maharatna, Ganesh R. Naik
Low-complexity hardware design methodology for reliable and automated removal of ocular and muscular artifact from EEG. Comput. Methods Programs Biomed. 158 (2018)
Dwaipayan Biswas, Zixuan Ye, Evangelos B. Mazomenos, Michael Jöbges, Koushik Maharatna
CORDIC Framework for Quaternion-based Joint Angle Computation to Classify Arm Movements. ISCAS (2018)
Valentina Bono, Saptarshi Das, Wasifa Jamal, Koushik Maharatna
Hybrid Wavelet and EMD/ICA Approach for Artifact Suppression in Pervasive EEG. CoRR (2018)
Finn Lennartsson, Angela Darekar, Koushik Maharatna, Daniel Konn, David Allen, Jacques-Donald Tournier, John Broulidakis, Brigitte Vollmer
Developing a Framework for Studying Brain Networks in Neonatal Hypoxic-Ischemic Encephalopathy. MIUA (2018)
Bogdan Alexandru Cociu, Saptarshi Das, Lucia Billeci, Wasifa Jamal, Koushik Maharatna, Sara Calderoni, Antonio Narzisi, Filippo Muratori
Multimodal Functional and Structural Brain Connectivity Analysis in Autism: A Preliminary Integrated Approach With EEG, fMRI, and DTI. IEEE Trans. Cogn. Dev. Syst. 10 (2) (2018)
Shre Kumar Chatterjee, Saptarshi Das, Koushik Maharatna, Elisa Masi, Luisa Santopolo, Ilaria Colzi, Stefano Mancuso, Andrea Vitaletti
Comparison of Decision Tree Based Classification Strategies to Detect External Chemical Stimuli from Raw and Filtered Plant Electrical Response. CoRR (2017)
Chandrajit Pal, Dwaipayan Biswas, Koushik Maharatna, Amlan Chakrabarti
Architecture for complex network measures of brain connectivity. ISCAS (2017)
Dwaipayan Biswas, Koushik Maharatna, Goran Panic, Evangelos B. Mazomenos, Josy Achner, Jasmin Klemke, Michael Jöbges, Steffen Ortmann
Low-Complexity Framework for Movement Classification Using Body-Worn Sensors. IEEE Trans. Very Large Scale Integr. Syst. 25 (4) (2017)
Bhagyaraja Adapa, Dwaipayan Biswas, Swati Bhardwaj, Shashank Raghuraman, Amit Acharyya, Koushik Maharatna
Coordinate Rotation-Based Low Complexity K-Means Clustering Architecture. IEEE Trans. Very Large Scale Integr. Syst. 25 (4) (2017)
Sanmitra Ghosh, Srinandan Dasmahapatra, Koushik Maharatna
Fast approximate Bayesian computation for estimating parameters in differential equations. Stat. Comput. 27 (1) (2017)
Madhuri Panwar, Sristi Ram Dyuthi, Konkimalla Chandra Prakash, Dwaipayan Biswas, Amit Acharyya, Koushik Maharatna, Arvind Gautam, Ganesh R. Naik
CNN based approach for activity recognition using a wrist-worn accelerometer. EMBC (2017)
Evangelos B. Mazomenos, Dwaipayan Biswas, Andy Cranny, Amal Rajan, Koushik Maharatna, Josy Achner, Jasmin Klemke, Michael Jobges, Steffen Ortmann, Peter Langendörfer
Detecting Elementary Arm Movements by Tracking Upper Limb Joint Angles With MARG Sensors. IEEE J. Biomed. Health Informatics 20 (4) (2016)
Saptarshi Das, Sourav Das, Koushik Maharatna
Control Strategy for Anaesthetic Drug Dosage with Interaction Among Human Physiological Organs Using Optimal Fractional Order PID Controller. CoRR (2016)
Saptarshi Das, Barry Juans Ajiwibawa, Shre Kumar Chatterjee, Sanmitra Ghosh, Koushik Maharatna, Srinandan Dasmahapatra, Andrea Vitaletti, Elisa Masi, Stefano Mancuso
Drift Removal in Plant Electrical Signals via IIR Filtering Using Wavelet Energy. CoRR (2016)
Sidharth Maheshwari, Amit Acharyya, Paolo Emilio Puddu, Evangelos B. Mazomenos, Michele Schiariti, Koushik Maharatna
Robust and accurate personalised reconstruction of standard 12-lead system from Frank vectorcardiographic system. Comput. methods Biomech. Biomed. Eng. Imaging Vis. 4 (3-4) (2016)
Valentina Bono, Dwaipayan Biswas, Saptarshi Das, Koushik Maharatna
Classifying human emotional states using wireless EEG based ERP and functional connectivity measures. BHI (2016)
Wasifa Jamal, Saptarshi Das, Koushik Maharatna, Fabio Apicella, Georgia Chronaki, Federico Sicca, David Cohen, Filippo Muratori
On the Existence of Synchrostates in Multichannel EEG Signals during Face-perception Tasks. CoRR (2016)
Dwaipayan Biswas, Valentina Bono, Michael Scott-South, Shre Kumar Chatterjee, Anna Soska, Steve Snow, Catherine Noakes, Janet F. Barlow, Koushik Maharatna, m. c. schraefel
Analysing wireless EEG based functional connectivity measures with respect to change in environmental factors. BHI (2016)
Naresh Vemishetty, Amit Acharyya, Saptarshi Das, Shivteja Ayyagari, Soumya Jana, Koushik Maharatna, Paolo Emilio Puddu
Classification Methodology of CVD with Localized Features Analysis Using Phase Space Reconstruction Targeting Personalized Remote Health Monitoring. CinC (2016)
Shaobai Li, Srinandan Dasmahapatra, Koushik Maharatna
Dynamical System Approach for Edge Detection Using Coupled FitzHugh-Nagumo Neurons. IEEE Trans. Image Process. 24 (12) (2015)
Dwaipayan Biswas, Koushik Maharatna
A CORDIC-Based Low-Power Statistical Feature Computation Engine for WSN Applications. Circuits Syst. Signal Process. 34 (12) (2015)
Saptarshi Das, Barry Juans Ajiwibawa, Shre Kumar Chatterjee, Sanmitra Ghosh, Koushik Maharatna, Srinandan Dasmahapatra, Andrea Vitaletti, Elisa Masi, Stefano Mancuso
Drift removal in plant electrical signals via IIR filtering using wavelet energy. Comput. Electron. Agric. 118 (2015)
Dwaipayan Biswas, Gerry Juans Ajiwibawa, Koushik Maharatna, Andy Cranny, Josy Achner, Jasmin Klemke, Michael Jobges
Real-time arm movement recognition using FPGA. ISCAS (2015)
Wasifa Jamal, Saptarshi Das, Ioana-Anastasia Oprescu, Koushik Maharatna
Prediction of Synchrostate Transitions in EEG Signals Using Markov Chain Models. IEEE Signal Process. Lett. 22 (2) (2015)
Valentina Bono, Wasifa Jamal, Saptarshi Das, Koushik Maharatna
Artifact reduction in multichannel pervasive EEG using hybrid WPT-ICA and WPT-EMD signal decomposition techniques. CoRR (2014)
Wasifa Jamal, Saptarshi Das, Ioana-Anastasia Oprescu, Koushik Maharatna, Fabio Apicella, Federico Sicca
Classification of Autism Spectrum Disorder Using Supervised Learning of Brain Connectivity Measures Extracted from Synchrostates. CoRR (2014)
Valentina Bono, Evangelos B. Mazomenos, Taihai Chen, James Rosengarten, Amit Acharyya, Koushik Maharatna, John M. Morgan, Nick Curzen
Development of an Automated Updated Selvester QRS Scoring System Using SWT-Based QRS Fractionation Detection and Classification. IEEE J. Biomed. Health Informatics 18 (1) (2014)
Dwaipayan Biswas, Andy Cranny, Ahmed Rahim, Nayaab Gupta, Nick R. Harris, Koushik Maharatna, Steffen Ortmann
On the sensor choice and data analysis for classification of elementary upper limb movements. BHI (2014)
Valentina Bono, Wasifa Jamal, Saptarshi Das, Koushik Maharatna
Artifact reduction in multichannel pervasive EEG using hybrid WPT-ICA and WPT-EMD signal decomposition techniques. ICASSP (2014)
Dwaipayan Biswas, Andy Cranny, Nayaab Gupta, Koushik Maharatna, Steffen Ortmann
Recognition of Elementary Upper Limb Movements in an Activity of Daily Living Using Data from Wrist Mounted Accelerometers. ICHI (2014)
Saptarshi Das, Koushik Maharatna
Fractional dynamical model for the generation of ECG like signals from filtered coupled Van-der Pol oscillators. Comput. Methods Programs Biomed. 112 (3) (2013)
Evangelos B. Mazomenos, Dwaipayan Biswas, Amit Acharyya, Taihai Chen, Koushik Maharatna, James Rosengarten, John M. Morgan, Nick Curzen
A Low-Complexity ECG Feature Extraction Algorithm for Mobile Healthcare Applications. IEEE J. Biomed. Health Informatics 17 (2) (2013)
Sofia-Maria Dima, Christos Panagiotou, Evangelos B. Mazomenos, James Rosengarten, Koushik Maharatna, John V. Gialelis, Nick Curzen, John M. Morgan
On the Detection of Myocadial Scar Based on ECG/VCG Analysis. IEEE Trans. Biomed. Eng. 60 (12) (2013)
Taihai Chen, Evangelos B. Mazomenos, Koushik Maharatna, Srinandan Dasmahapatra, Mahesan Niranjan
Design of a Low-Power On-Body ECG Classifier for Remote Cardiovascular Monitoring Systems. IEEE J. Emerg. Sel. Topics Circuits Syst. 3 (1) (2013)
Christos Panagiotou, Sofia-Maria Dima, Evangelos B. Mazomenos, James Rosengarten, Koushik Maharatna, John V. Gialelis, John M. Morgan
Detection of myocardial scar from the VCG using a supervised learning approach. EMBC (2013)
Wasifa Jamal, Saptarshi Das, Koushik Maharatna
Existence of millisecond-order stable states in time-varying phase synchronization measure in EEG signals. EMBC (2013)
Koushik Maharatna, Evangelos B. Mazomenos, John M. Morgan, Silvio Bonfiglio
Towards the development of next-generation remote healthcare system: Some practical considerations. ISCAS (2012)
Dwaipayan Biswas, Evangelos B. Mazomenos, Koushik Maharatna
ECG compression for remote healthcare systems using selective thresholding based on energy compaction. ISSSE (2012)
Taihai Chen, Evangelos B. Mazomenos, Koushik Maharatna, Srinandan Dasmahapatra, Mahesan Niranjan
On the Trade-Off of Accuracy and Computational Complexity for Classifying Normal and Abnormal ECG in Remote CVD Monitoring Systems. SiPS (2012)
Jimson Mathew, Koushik Maharatna, Babita R. Jose, Hafizur Rahaman, Dhiraj K. Pradhan
Pseudo-Parallel Datapath Structure for Power Optimal Implementation of 128-pt FFT/IFFT for WPAN. Circuits Syst. Signal Process. 30 (4) (2011)
Amit Acharyya, Koushik Maharatna, Bashir M. Al-Hashimi
Algorithm and Architecture for N-D Vector Cross-Product Computation. IEEE Trans. Signal Process. 59 (2) (2011)
Amit Acharyya, Koushik Maharatna, Bashir M. Al-Hashimi, Hasitha Tudugalle
Simplified logic design methodology for fuzzy membership function based robust detection of maternal modulus maxima location: A low complexity Fetal ECG extraction architecture for mobile health monitoring systems. ISCAS (2011)
Arash Ahmadi, Eduardo Mangieri, Koushik Maharatna, Srinandan Dasmahapatra, Mark Zwolinski
On the VLSI Implementation of Adaptive-Frequency Hopf Oscillator. IEEE Trans. Circuits Syst. I Regul. Pap. (5) (2011)
Amit Acharyya, Koushik Maharatna, Bashir M. Al-Hashimi, Jeffrey S. Reeve
Coordinate Rotation Based Low Complexity N-D FastICA Algorithm and Architecture. IEEE Trans. Signal Process. 59 (8) (2011)
Michael Merrett, Yangang Wang, Mark Zwolinski, Koushik Maharatna, Massimo Alioto
Design metrics for RTL level estimation of delay variability due to intradie (random) variations. ISCAS (2010)
Dirk De Jager, Evangelos B. Mazomenos, Anindo K. Banerjee, Koushik Maharatna, Jeffrey S. Reeve
A low-power simplified-MEWS scoring device for patient monitoring. PervasiveHealth (2010)
Hamed Shahidipour, Yue Zhong, Arash Ahmadi, Koushik Maharatna
Effects of CNT diameter variability on a CNFET-based SRAM. APCCAS (2010)
Amit Acharyya, Koushik Maharatna, Jinhong Sun, Bashir M. Al-Hashimi, Steve R. Gunn
Hardware efficient fixed-point VLSI architecture for 2D Kurtotic FastICA. ECCTD (2009)
Amit Acharyya, Koushik Maharatna, Bashir M. Al-Hashimi
Hardware reduction methodology for 2-dimensional kurtotic fastica based on algorithmic analysis and architectural symmetry. SiPS (2009)
Pramod Kumar Meher, Javier Valls, Tso-Bing Juang, K. Sridharan, Koushik Maharatna
50 Years of CORDIC: Algorithms, Architectures, and Applications. IEEE Trans. Circuits Syst. I Regul. Pap. (9) (2009)
Amit Acharyya, Koushik Maharatna, Bashir M. Al-Hashimi, Steve R. Gunn
Memory Reduction Methodology for Distributed-Arithmetic-Based DWT/IDWT Exploiting Data Symmetry. IEEE Trans. Circuits Syst. II Express Briefs (4) (2009)
Alfonso Troya, Koushik Maharatna, Milos Krstic, Eckhard Grass, Ulrich Jagdhold, Rolf Kraemer
Low-Power VLSI Implementation of the Inner Receiver for OFDM-Based WLAN Systems. IEEE Trans. Circuits Syst. I Regul. Pap. (2) (2008)
Amit Acharyya, Koushik Maharatna, Bashir M. Al-Hashimi
Hardware development for pervasive healthcare systems: Current status and future directions. APCCAS (2008)
Koushik Maharatna, Karim El-Shabrawy, Bashir M. Al-Hashimi
Reduced Z-datapath Cordic Rotator. ISCAS (2008)
Hiran Ramakrishnan, Koushik Maharatna, Sanatan Chattopadhyay, Alexandre Yakovlev
Impact of strain on the design of low-power high-speed circuits. ISCAS (2007)
Alfonso Troya, Koushik Maharatna, Milos Krstic, Eckhard Grass, Ulrich Jagdhold, Rolf Kraemer
Efficient Inner Receiver Design for OFDM-Based WLAN Systems: Algorithm and Architecture. IEEE Trans. Wirel. Commun. 6 (4) (2007)
R. Stapenhurst, Koushik Maharatna, Jimson Mathew, José L. Núñez-Yáñez, Dhiraj K. Pradhan
On the Hardware Reduction of z-Datapath of Vectoring CORDIC. ISCAS (2007)
Koushik Maharatna, Alfonso Troya, Milos Krstic, Eckhard Grass
On the Implementation of a Low-Power IEEE 802.11a Compliant Viterbi Decoder. VLSI Design (2006)
Josep Soler Garrido, Robert J. Piechocki, Koushik Maharatna, Darren P. McNamara
MIMO detection in analog VLSI. ISCAS (2006)
Selwyn Leeke, Koushik Maharatna
A low-power geometric mapping co-processor for high-speed graphics application. ISCAS (2006)
Koushik Maharatna, Swapna Banerjee, Eckhard Grass, Milos Krstic, Alfonso Troya
Modified virtually scaling-free adaptive CORDIC rotator algorithm and architecture. IEEE Trans. Circuits Syst. Video Technol. 15 (11) (2005)
C. Huggett, Koushik Maharatna, K. Paul
On the implementation of 128-pt FFT/IFFT for high-performance WPAN. ISCAS (6) (2005)
Koushik Maharatna, Alfonso Troya, Milos Krstic, Eckhard Grass, Ulrich Jagdhold
A CORDIC like processor for computation of arctangent and absolute magnitude of a vector. ISCAS (2) (2004)
Koushik Maharatna, Alfonso Troya, Swapna Banerjee, Eckhard Grass, Milos Krstic
A 16-bit CORDIC rotator for high-speed wireless LAN. PIMRC (2004)
Koushik Maharatna, Eckhard Grass, Ulrich Jagdhold
A 64-point Fourier transform chip for high-speed wireless LAN application using OFDM. IEEE J. Solid State Circuits 39 (3) (2004)
Milos Krstic, Alfonso Troya, Koushik Maharatna, Eckhard Grass
Optimized low-power synchronizer design for the IEEE 802.11a standard. ICASSP (2) (2003)
Koushik Maharatna, Eckhard Grass, Ulrich Jagdhold
A novel 64-point FF/IFFT processor for IEEE 802.11(a) standard. ICASSP (2) (2003)
Eckhard Grass, Bodhisatya Sarker, Koushik Maharatna
A Dual-Mode Synchronous/Asynchronous CORDIC Processor. ASYNC (2002)
Eckhard Grass, Klaus Tittelbach-Helmrich, Ulrich Jagdhold, Alfonso Troya, Gunther Lippert, Olaf Krüger, Jens Lehmann, Koushik Maharatna, Kai F. Dombrowski, Norbert Fiebig, Rolf Kraemer, Petri Mähönen
On the single-chip implementation of a Hiperlan/2 and IEEE 802.11a capable modem. IEEE Wirel. Commun. 8 (6) (2001)
Koushik Maharatna, A. S. Dhar, Swapna Banerjee
A VLSI array architecture for realization of DFT, DHT, DCT and DST. Signal Process. 81 (9) (2001)
Koushik Maharatna, Swapna Banerjee
A VLSI array architecture for Hough transform. Pattern Recognit. 34 (7) (2001)