Publications

Journal

[J17] C. B. Güngör, P. P. Mercier, and H. Töreyin, "A 2.2 nW Analog Electrocardiogram Processor based on Stochastic Resonance Achieving a 99.94% QRS Complex Detection Sensitivity", IEEE Transactions on Biomedical Circuits and Systems, In press.  DOI: 10.1109/TBCAS.2023.3235786

[J16] C. B. Güngör, P. P. Mercier, and H. Töreyin, "A Stochastic Resonance Electrocardiogram Enhancement Algorithm for Robust QRS Detection", IEEE Journal of Biomedical and Health Informatics, vol. 26, no. 8, 3743-3754, Aug. 2022.

[J15] C. B. Güngör, P. P. Mercier, and H. Töreyin, "A 1.2nW Analog Electrocardiogram Processor Achieving a 99.63% QRS Complex Detection Sensitivity", IEEE Transactions on Biomedical Circuits and Systems, vol. 15, no. 3, pp. 617-628, June 2021.

[J14] C. B. Güngör, P. P. Mercier, and H. Töreyin, "Investigating well potential parameters on neural spike enhancement in a stochastic-resonance pre-emphasis algorithm", Journal of Neural Engineering, vol. 18, no. 4, 046062, May 2021.

[J13] V. Nabi, S. Ayhan, E. Acaroglu, M. A. Ahi, H. Töreyin, and A. E. Cetin, "Can we diagnose disk and facet degeneration in lumbar spine by acoustic analysis of spine sounds?." Signal, Image and Video Processing (2020): 1-6.

[J12] C. B. Güngör and H. Töreyin, "Facilitating stochastic resonance as a pre-emphasis method for neural spike detection," Journal of Neural Engineering, vol. 17, no. 4, 046047, Aug. 2020.

[J11] S. Shah, H. Töreyin, C. B. Güngör, and J. Hasler, "A Real-Time Vital-Sign Monitoring in the Physical Domain on a Mixed-Signal Reconfigurable Platform," IEEE Transactions on Biomedical Circuits and Systems, vol. 13, no. 6, pp. 1690-1699, Dec. 2019.

[J10] S. Shah, H. Töreyin, J. Hasler, and A. Natarajan, "Temperature Sensitivity and Compensation on a Reconfigurable Platform," IEEE Transactions on Very Large Scale Integration Systems, vol. 26. no. 3, pp. 604-607, Mar. 2018.

[J9] S. Hersek, H. Töreyin, C. N. Teague, M. L. Millard-Stafford, H. K. Jeong, M. M. Bavare, P. Wolkoff, M. N. Sawka, and O. T. Inan, "Wearable vector electrical bioimpedance system to assess knee joint health," IEEE Transactions on Biomedical Engineering, vol. 64, no. 10, pp. 2353-2360, Oct. 2017.

[J8] S. Shah, H. Töreyin, J. Hasler, and A. Natarajan, "Models and Techniques for Temperature Robust Systems on a Reconfigurable Platform," Journal of Low Power Electronics and Applications, vol. 7, no. 3, 21, Aug. 2017.

[J7] H. Töreyin, H. K. Jeong, S. Hersek, C. Teague, and O. T. Inan, "Quantifying the consistency of wearable knee acoustical emission measurements during complex motions," IEEE Journal of Biomedical and Health Informatics. vol. 20, no. 5, pp. 1265-1272, Sept. 2016.

[J6] C. Teague, S. Hersek, H. Töreyin, M. L. Millard-Stafford, M. L. Jones, G. F. Kogler, M. N. Sawka, and O. T. Inan, “Novel methods for sensing acoustical emissions from the knee for wearable joint health assessment,” IEEE Transactions on Biomedical Engineering, vol. 63, no. 8, pp. 1581-1590, Aug. 2016.

[J5] H. Töreyin and P. Bhatti, “A low-power ASIC signal processor for a vestibular prosthesis,” IEEE Transactions on Biomedical Circuits and Systems, vol. 10, no. 3, pp. 768-778, June 2016.

[J4] S. Hersek, H. Töreyin, and O. T. Inan, “A robust system for longitudinal knee joint edema and blood flow assessment based on vector bioimpedance measurements,” IEEE Transactions on Biomedical Circuits and Systems, vol. 10, no. 3, pp. 545-555, June 2016.

[J3] H. Töreyin, S. Hersek, C. Teague, and O. T. Inan, "A proof-of-concept system to analyze joint sounds in real time for knee health assessment in uncontrolled settings," IEEE Sensors Journal, vol. 16, no. 9, pp. 2892-2893, May 2016.

[J2] R. Mukkamala, J.-O. Hahn, O. T. Inan, L. K. Mestha, C.-S. Kim, H. Töreyin, and S. Kyal “Toward ubiquitous blood pressure monitoring via pulse transit time: theory and practice,” IEEE Transactions on Biomedical Engineering, vol. 62, no. 8, pp. 1879-1901, Aug. 2015.

[J1] H. Töreyin and P. Bhatti, “A field-programmable analog array development platform for vestibular prosthesis signal processing,” IEEE Transactions on Biomedical Circuits and Systems, vol. 7, no. 3, pp. 319-325, June 2013.

Conference

[C31] N. Marosok and H. Töreyin, "Investigating Feasibility of Blind Optimization of a Nonlinear Neural Spike Enhancement Filter," accepted for presentation at the 2024 IEEE EMBC. 

[C30] J. Putris, A. Aydın, M. Balkanas, A. E. Söylemezoğlu, N. Serdengeçti, T. Kadak, M. C. Tarakçıoğlu, H. Töreyin, "A Preliminary Investigation into Quantitative Assessment of ADHD Treatment Efficacy on Hyperactivity Levels via Actigraphy*," 2023 IEEE EMBS International Conference on Biomedical and Health Informatics (BHI), Pittsburgh, PA, USA, 2023, pp. 1-4, doi: 10.1109/BHI58575.2023.10313419.

[C29] K. Donoghue and H. Töreyin, "A Proof-of-Concept Numerical Ising Machine for Neural Spike Localization," 2023 45th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Sydney, Australia, 2023, pp. 1-5, doi: 10.1109/EMBC40787.2023.10340471.

[C28] S. Shah, H. Töreyin, U. Noyan and Y. J. Lee, "A proof-of-concept real-time processing to characterize vascular flow," 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Glasgow, Scotland, United Kingdom, 2022, pp. 2912-2915.

[C27] C. B. Güngör, P. P. Mercier and H. Töreyin, "A Stochastic Resonance P- and T-wave Detection Algorithm," 2022 44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Glasgow, Scotland, United Kingdom, 2022, pp. 2013-2016.

[C26] C. B. Güngör, P. P. Mercier and H. Töreyin, "A 3.75 nW Analog Electrocardiogram Processor Facilitating Stochastic Resonance for Real-Time R-wave Detection," 2021 IEEE Biomedical Circuits and Systems Conference (BioCAS), Berlin, Germany, 2021, pp. 1-6.

[C25] K. Gherardi and H. Töreyin, "A Cortical Extracellular Simulation Model to Create Synthetic Neural Recordings," 2021 10th International IEEE/EMBS Conference on Neural Engineering (NER), Italy, 2021, pp. 465-468.

[C24] C. B. Güngör and H. Töreyin, "Using Floating-Gate MOS as a Non-Volatile Analog Memory for Energy-Efficient Adaptive Thresholding in ECG Sensors," 2019 IEEE SENSORS, Montreal, QC, Canada, 2019, pp. 1-4.

[C23] E. S. Eisen and H. Töreyin, "A Preliminary Analysis on Impact of Additive Flicker Noise on Detection Sensitivity of Neural Spikes," 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Berlin, Germany, 2019, pp. 5164-5167.

[C22] C. B. Güngör and H. Töreyin, "A 0.5 nW Analog ECG Processor for Real Time R-wave Detection Based on Pan-Tompkins Algorithm," 2019 IEEE EMBS International Conference on Biomedical & Health Informatics (BHI), Chicago, IL, USA, 2019, pp. 1-4.

[C21] H. Töreyin, "A proof-of-concept 70 nA ECG processor for real-time R-wave and NN50 detection", Presented at the 18th PowerMEMS Conference, Daytona Beach, FL, 2018.

[C20] C. Burgoni, O. Horondi, B. Power, S. Rath, V. Keeranagi, C. Bailey, M. J. Buono, and H. Töreyin, "A preliminary analysis of the tidal volume with split in second heart sounds", Presented as a research poster at the 40th International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2018.

[C19] K. Ç. Hırlak, Z. F. Eryılmaz, M. K. Korkmaz and H. Töreyin, "A proof-of-concept wearable photoplethysmography sensor-node for near real-time pulse transit time measurements," 2017 IEEE Biomedical Circuits and Systems Conference (BioCAS), Turin, Italy, 2017, pp. 1-4.

[C18] A. Q. Javaid, H. Töreyin, and O. T. Inan, "Quantifying the effects of blood pressure changes on ballistocardiogram signals," 25th Signal Processing and Communications Applications Conference, Antalya, Turkey, 2017.

[C17] H. Töreyin, S. Shah, S. Hersek, O. T. Inan, and J. Hasler, “Proof-of-Concept Energy-Efficient and Real-Time Hemodynamic Feature Extraction from Bioimpedance Signals using a Mixed-Signal Field Programmable Analog Array,” IEEE International Conference on Biomedical and Health Informatics (BHI), Orlando, FL, 2017.

[C16] H. Töreyin, H. K. Jeong, S. Hersek, C. N. Teague, and O. T. Inan, “Real-Time Activity-Classification in a Wearable System Prototype for Knee-Joint Health Assessment via Joint Sounds,” International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2016.

[C15] S. Shah, H. Töreyin, O. T. Inan, and J. Hasler, “Reconfigurable Analog Classifier For Knee-Joint Rehabilitation,” International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2016.

[C14] Y. Jeong, H. Töreyin, A. Daruwalla, P. Bhatti, and F. Ayazi, “A Dual-Axis, Single Proof-Mass Angular Accelerometer for a Vestibular Prosthesis,” International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2016.

[C13] O. T. Inan, S. Hersek, C. N. Teague, H. Töreyin, H. K. Jeong, M. L. Jones, M. L. Millard-Stafford, G. F. Kogler, M. N. Sawka, “A stethoscope for the knee: Investigating joint acoustical emissions as novel biomarkers for wearable joint health assessment,” 171st meeting of the Acoustical Society of America, Salt Lake City, UT, 2016.

[C12] H. Töreyin, C. Teague, S. Hersek, M. L. Millard-Stafford, M. L. Jones, G. F. Kogler, M. N. Sawka, and O. T. Inan, “A wearable system prototype for activity-contextualized knee-joint health assessment via acoustic emissions,” presented at the NIH-IEEE Strategic Conference on Healthcare Innovations and Point of Care Technologies for Precision Medicine (HI-POCT), Nov. 2015.

[C11] H. Töreyin, A. Q. Javaid, H. Ashouri, O. Ode, and O. T. Inan, “Towards ubiquitous blood pressure monitoring in an armband using pulse transit time”, presented at the IEEE Biomedical Circuits and Systems Conference (BioCAS), Oct. 2015.

[C10] A. M. Carek, H. Töreyin, S. Hersek, and O. T. Inan, “Preliminary methods for wearable neuro-vascular assessment with non-invasive, active sensing,” International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2015.

[C9] C. Teague, S. Hersek, H. Töreyin, M. L. Millard-Stafford, M. L. Jones, G. F. Kogler, M. N. Sawka, and O. T. Inan, “Novel approaches to measure acoustic emissions as biomarkers for joint health assessment,” presented at the 12th Body Sensor Networks Conference, Boston, June 2015.

[C8] H. Töreyin and P. Bhatti, “A low-power, time-division-multiplexed vector-matrix multiplier for a vestibular prosthesis,” in 36th Int. Conf. IEEE Eng. in Medicine and Biology (EMBC) Proceedings, pp. 6000-6003, 2014. (North America Geographic Finalist and the Third Price at the Student Paper Competition)

[C7] H. Töreyin and P. Bhatti, “Signal processing circuitry for neuromodulation of the vestibular system: a comparison of three implementations,” presented at the 2nd Minnesota Neuromodulation Symposium, Minneapolis, MN, 2014.

[C6] P.S. Challa, H. Töreyin, and P.T. Bhatti, “Differential measure of matched linear accelerometers as a sensing strategy for the development of a vestibular prosthesis,” presented at the 6th International IEEE EMBS Conference on Neural Engineering, San Diego, CA, 2013.

[C5] H. Alrowais, H. Töreyin, O. Brand, and P.T. Bhatti, “Design and analysis of a biomimetic angular acceleration sensor for a vestibular prosthesis”, presented at the 10th International Workshop on Nanomechanical Sensing, Palo Alto, CA, 2013.

[C4] H. Töreyin and P. Bhatti, “A finite element analysis of a biomimetic angular rotation sensor for a vestibular prosthesis,” presented at the 34th International Conference of the IEEE EMBS, San Diego, CA, 2012.

[C3] A. Durand, S. D. Roy, H. Töreyin, and P. Bhatti, “A wireless head angular motion monitoring system for vestibular rehabilitation therapy,” presented at the 34th International Conference of the IEEE EMBS, San Diego, CA, 2012.

[C2] P. Bhatti, H. Töreyin, P. Hasler, “A neural stimulator for a vestibular prosthesis utilizing a low-power field-programmable analog array,” in Proc. 8th IASTED International Conference on Biomedical Engineering, ACTA Press, 2011, pp. 723-097.

[C1] H. Töreyin, E. Topal, H. Külah, “A multi-source micro power generator employing thermal and vibration energy harvesting,” in Proc. Eurosensor XXIV Conference, 2010, pp.1176-1179.

Patent

[P] O. T. Inan, M. N. Sawka, J. Hasler, H. Töreyin, M. L. Millard-Stafford, G. F. Kogler, S. Hersek, C. Teague, “Wearable Technologies for Joint Health Assessment,” WO 2016/191753, Dec. 1, 2016.

Dissertation

[D] H. Töreyin. “Design of a low-power interface circuitry for a vestibular prosthesis system,” Ph.D. dissertation, Georgia Institute of Technology, Atlanta, GA, 2014.