Publications

Refereed Journal Publications
2017

44. S. Hersek, M. Baran Pouyan, C. N. Teague, M. N. Sawka, M. L. Millard-Stafford, G. F. Kogler, P. Wolkoff, and O. T. Inan, “Acoustical Emission Analysis by Unsupervised Graph Mining: A Novel Biomarker of Knee Health Status,” IEEE Transactions on Biomedical Engineering, In Press.

43. M. Etemadi and O. T. Inan, “Wearable Ballistocardiogram and Seismocardiogram Systems for Health and Performance,” Journal of Applied Physiology, In Press.

42. O. T. Inan, D. C. Whittingslow, C. N. Teague, S. Hersek, M. Baran Pouyan, M. Millard-Stafford, G. F. Kogler, and M. N. Sawka, “Wearable Knee Health System Employing Novel Physiological Biomarkers,” Journal of Applied Physiology, In Press.

41. C. Zhang, Q. Xue, A. Waghmare, S. Jain, Y. Pu, J. Conant, S. Hersek, K. Lyons, K. A. Cunefare, O. T. Inan, and G. D. Abowd, “SoundTrak: Continuous 3D tracking of a finger using active acoustics,” Proc. of the ACM on Interactive Mobile, Wearable, and Ubiquitous Technology (IMWUT), In Press.

40. A. O. Bicen, N. Z. Gurel, A. Dorier, and O. T. Inan, “Improved Pre-Ejection Period Estimation from Ballistocardiogram and Electrocardiogram Signals by Fusing Multiple Timing Interval Features,” IEEE Sensors Journal, vol. 17, no. 13, pp. 4172-4180, July 2017.

39. H. Ashouri, and O. T. Inan, “Automatic Detection of Seismocardiogram Sensor Misplacement for Robust Pre-Ejection Period Estimation in Unsupervised Settings,” IEEE Sensors Journal, vol. 17, no. 12, pp. 3805-3813, June 2017.

38. A. M. Carek and O. T. Inan, “Robust Sensing of Distal Pulse Waveforms on a Modified Weighing Scale for Ubiquitous Pulse Transit Time Measurement,” IEEE Transactions on Biomedical Circuits and Systems, In Press.

37. S. Hersek, C. N. Teague, M. L. Millard-Stafford, H.-K. Jeong, 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, In Press.

36. A. Q. Javaid, H. Ashouri, M. Etemadi, J. A. Heller, S. Roy, and O. T. Inan, “Quantifying and Reducing Motion Artifacts in Wearable Ballistocardiogram Measurements during Walking to Assess Left Ventricular Health,” IEEE Transactions on Biomedical Engineering, In Press.

35. A. D. Wiens, A. Johnson, and O. T. Inan, “Wearable Sensing of Cardiac Timing Intervals from Cardiogenic Limb Vibration Signals,” IEEE Sensors, v. 17, no. 5, pp. 1463-1470, 2017.

34. C. Zhang, S. Hersek, Y. Pu, T. E. Starner, G. D. Abowd, and O. T. Inan, “Bioacoustics-based human body mediated communication,” IEEE Computer, v. 50, no. 2, pp. 36-46, 2017.

2016
33. S. L.-O. Martin, A. M. Carek, C.-S. Kim, H. Ashouri, O. T. Inan, J.-O. Hahn, and R. Mukkamala, “Weighing Scale-Based Pulse Transit Time is a Superior Marker of Blood Pressure than Conventional Pulse Arrival Time,” Scientific Reports, v. 6, 2016.

32. C.-S. Kim, S. Ober, M. S. McMurtry, B. Finegan, O. T. Inan, R. Mukkamala, and J.-O. Hahn, “Ballistocardiogram: Mechanism and Potential for Unobtrusive Cardiovascular Health Monitoring,” Scientific Reports, v. 6, 2016.

31. H. Toreyin, H.-K. Jeong, S. Hersek, C. N. Teague, and O. T. Inan, “Quantifying the Consistency of Wearable Knee Acoustical Emission Measurements during Complex Motions,” IEEE Journal of Biomedical and Health Informatics, v. 20, no. 5, pp. 1265-1272, 2016.

30. C. Wick, W. Auffermann, A. Shah, O. T. Inan, P. Bhatti, and S. Tridandapani, “Echocardiography as an indication of continuous-time cardiac quiescence,” IOP Physics in Medicine and Biology, v. 61, no. 14, pp. 5297-5310, 2016.

29. C. N. Teague, S. Hersek, H. Toreyin, 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, v. 63, no. 8, pp. 1581-1590, 2016.

28. H. Ashouri, L. Orlandic, and O. T. Inan, “Unobtrusive Estimation of Cardiac Contractility and Stroke Volume Changes using Ballistocardiogram Measurements on a High Bandwidth Force Plate,” Sensors, v. 16, no. 6, p. 787, 2016.

27. A. Q. Javaid, H. Ashouri, S. Tridandapani, and O. T. Inan, “Examining the Hemodynamic Origin of Ballistocardiographic Forces: Towards Improved Monitoring of Cardiovascular Health at Home,” IEEE Journal of Translational Engineering in Health and Medicine, v. 4, 2016.

26. H. Toreyin, 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, v. 16, no. 9, 2892-2893, 2016.

25. S. Hersek, H. Toreyin, 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, v. 10, no. 3, pp. 545-555, 2016.

24. M. Etemadi, O. T. Inan, J. A. Heller, S. Hersek, L. Klein, and S. Roy, “A wearable patch to enable long-term environmental, activity, and hemodynamic monitoring,” IEEE Transactions on Biomedical Circuits and Systems, v. 10, no. 2, pp. 280-288, 2016.

2015
23. A. D. Wiens, A. M. Carek, and O. T. Inan, “Sternal Vibrations Reflect Hemodynamic Changes during Head-Out Immersion: A Preliminary Demonstration of Underwater Wearable Ballistocardiography,” Journal of the Acoustical Society of America Express Letters (JASA-EL), v. 138, pp. EL342-346, 2015.

22. C. S. Kim, A. M. Carek, R. Mukkamala, O. T. Inan, and J. O. Hahn, “Ballistocardiogram as a Proximal Timing Reference for Pulse Transit Time Measurement: Potential for Cuffless Blood Pressure Monitoring,” IEEE Transactions on Biomedical Engineering, In Press. (This article was featured in the Editor’s Choice section of Science Translational Medicine, “Monitoring blood pressure with your bathroom scale,” T. Heldt, v. 7, no. 292, 2015.)

21. R. Mukkamala, J. O. Hahn, O. T. Inan, L. K. Mestha, C. S. Kim, H. Toreyin, and S. Kyal, “Towards Ubiquitous Blood Pressure Monitoring via Pulse Transit Time: Theory and Practice,” IEEE Transactions on Biomedical Engineering, v. 62, no. 8, pp. 1879-1901, 2015. (This article was featured by IEEE TBME on the website and in the newsletter.)

20. A. Q. Javaid, A. D. Wiens, N. F. Fesmire, M. A. Weitnauer, and O. T. Inan, “Quantifying and Reducing Posture-Dependent Distortion in Ballistocardiogram Measurements,” IEEE Journal of Biomedical and Health Informatics, v. 19, no. 5, pp. 1549-1556, 2015.

19. A. D. Wiens, O. T. Inan, “A Novel System Identification Technique for Improved Wearable Hemodynamics Assessment,” IEEE Transactions on Biomedical Engineering, v. 62, no. 5, pp. 1345-1354, 2015.

18. C. Wick, J. H. McClellan, O. T. Inan, and S. Tridandapani, “Seismocardiography-Based Detection of Cardiac Quiescence for Cardiac Computed Tomography Angiography,” IEEE Transactions on Biomedical Engineering, v. 62, no. 8, pp. 2025-2032, 2015.

17. A. D. Wiens, M. Etemadi, S. Roy, L. Klein, and O. T. Inan, “Towards continuous, non-invasive assessment of ventricular function and hemodynamics: Wearable ballistocardiography,” IEEE Journal of Biomedical and Health Informatics, v. 19, no. 4, pp. 1435-1442, 2015.

16. O. T. Inan, P.-F. Migeotte, K.-S. Park, M. Etemadi, K. Tavakolian, J. M. Zanetti, I. Funtova, J. Tank, G. K. Prisk, and M. Di Rienzo, “Ballistocardiography and seismocardiography: A review of recent advances,” IEEE Journal of Biomedical and Health Informatics, v. 19, no. 4, pp. 1414-1427, 2015.

Before 2014
15. B. Dura, M. Q. Chen, O. T. Inan, G. T. A. Kovacs, and L. Giovangrandi, “High-Frequency Electrical Stimulation of Cardiac Cells and Application to Artifact Reduction,” IEEE Transactions on Biomedical Engineering, v. 59, no. 5, pp. 1381-1390, 2012.

14. K. Chan, O. T. Inan, S. Bhattacharya, and O. Marcu, “Estimating the speed of Drosophila locomotion using an automated behavior detection and analysis system,” Fly, v. 6, no. 3, 2012.

13. O. T. Inan, D. Park, G. T. A. Kovacs, and L. Giovangrandi, “Non-Invasive Measurement of Physiological Signals on a Modified Home Bathroom Scale,” IEEE Transactions on Biomedical Engineering, v. 59, no. 8, pp. 2137-2143, 2012.

12. K. Pandia, O. T. Inan, G. T. A. Kovacs, and L. Giovangrandi, “Extracting respiratory information from seismocardiogram signals acquired on the chest using a miniature accelerometer,” IOP Physiological Measurement, v. 33, no. 10, pp. 1643-1660, 2012.

11. R. M. Wiard, O. T. Inan, B. Argyres, M. Etemadi, G. T. A. Kovacs, and L. Giovangrandi, “Automatic Detection of Motion Artifacts in the Ballistocardiogram Measured on a Modified Bathroom Scale,” Medical and Biological Engineering and Computing, v. 49, no. 2, pp. 213-220, 2011.

10. O. T. Inan, O. Marcu, M. E. Sanchez, S. Bhattacharya, and G. T. A. Kovacs, “A Portable System for Monitoring the Behavioral Activity of Drosophila,” Journal of Neuroscience Methods, v. 202, no. 1, pp. 45-52, 2011.
(This work was featured in the April, 2011 edition of NASA Tech Briefs.)

9. M. Etemadi, O. T. Inan, L. Giovangrandi, and G. T. A. Kovacs, “Rapid Assessment of Cardiac Contractility on a Home Bathroom Scale,” IEEE Transactions on Information Technology in Biomedicine, v. 15, no. 6, pp. 864-869, 2011.
(This article was featured on the cover of the journal.)

8. O. T. Inan, M. Etemadi, B. Widrow, and G. T. A. Kovacs, “Adaptive cancellation of floor vibrations in standing ballistocardiogram measurements using a seismic sensor as a noise reference,” IEEE Transactions on Biomedical Engineering, v. 57, no. 3, pp. 722-727, 2010.

7. O. T. Inan and G. T. A. Kovacs, “An 11 micro-Watt, Transimpedance-Based Biosignal Amplifier with Active Current Feedback Stabilization,” IEEE Transactions on Biomedical Circuits and Systems, v. 4, no. 2, pp. 93-100, 2010.

6. O. T. Inan and G. T. A. Kovacs, “A Low-Noise AC-Bridge Amplifier for Ballistocardiogram Measurement on an Electronic Weighing Scale,” IOP Physiological Measurement, v. 31, no. 7, pp. N51-59, 2010.

5. O. T. Inan, G. T. A. Kovacs, and L. Giovangrandi, “Evaluating the Lower-Body Electromyogram Signal Acquired from the Feet as a Noise Reference for Standing Ballistocardiogram Measurements,” IEEE Transactions on Information Technology in Biomedicine, v. 14, no. 5, pp. 1188-1196, 2010.
(This article was featured on the cover of the journal.)

4. O. T. Inan, M. Etemadi, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Robust ballistocardiogram acquisition for home monitoring,” IOP Physiological Measurement, v. 30, no. 2, pp. 169-185, 2009.
(This article was featured in IOP Physiological Measurement Highlights of 2009.)

3. O. T. Inan, M. Etemadi, A. Paloma, L. Giovangrandi, and G. T. A. Kovacs, “Non-invasive cardiac output trending during exercise recovery on a bathroom scale-based ballistocardiograph,” IOP Physiological Measurement, v. 30, no. 3, pp. 261-274, 2009.

2. O. T. Inan, M. Etemadi, M. E. Sanchez, O. Marcu, S. Bhattacharya, and G. T. A. Kovacs, “A Miniaturized Video System for Tracking the Locomotor Activity of Walking Drosophila Melanogaster in Space and Terrestrial Settings,” IEEE Transactions on Biomedical Engineering, v. 56, no. 2, pp. 522-524, 2009.

1. O. T. Inan, L. Giovangrandi, and G. T. A. Kovacs, “Robust Neural-Network Based Classification of Premature Ventricular Contractions Using Wavelet Transform and Timing Interval Features,” IEEE Transactions on Biomedical Engineering, v. 53, no. 12, pp. 2507-2515, 2006.

Refereed Conference Publications
2017
70. T. Wehbe, V. J. Mooney, D. Keezer, O. T. Inan, A. Q. Javaid, and C. Kulkami, “Use of Analog Signatures for Hardware Trojan Detection,” FPGAWorld Conference, Stockholm, Sweden, 2017.

69. M. M. H. Shandhi, S. Dowling, J. Fan, O. T. Inan, and L. Klein, “Use of Ballistocardiography can Monitor Hemodynamic Changes in Patients with Heart Failure,” International Society for Mechanical Circulatory Support (ISMCS) Conference, Tuscon, AZ, 2017.

68. M. Baran Pouyan, L. B. Arroyo, M. Jammohamed, T. De Marco, G. M. Wieselthaler, V. N. Selby, O. T. Inan, and L. Klein, “Advanced Machine Learning Techniques for Sound Wave Analysis can Identify Ventricular Assist Device Thrombosis,” International Society for Mechanical Circulatory Support (ISMCS) Conference, Tuscon, AZ, 2017.

67. C. Zhang, X. Wang, A. Waghmare, S. Jain, T. Ploetz, O. T. Inan, T. Starner, and G. Abowd, “FingOrbits: Interaction with Wearables using Synchronized Thumb Movements,” International Symposium on Wearable Computers (ISWC), Maui, HI, 2017.

66. M. Baran Pouyan, S. Dowling, T. De Marco, L. Klein, and O. T. Inan, “Quantifying the Accuracy of Heart Failure Decompensation Classification using Wearable Seismocardiography and Graph Mining Algorithms,” Heart Failure Society of America Meeting, Dallas, TX, 2017.

65. Z. Xia, M. M. H. Shandhi, O. T. Inan, and Y. Zang, “Interference and Removal of Respiration Harmonics on Noncontact Seismocardiogram Signals,” 11th International Workshop on Structural Health Monitoring, Stanford, CA, 2017.

64. M. M. H. Shandhi, Z. Xia, O. T. Inan, and Y. Zhang, “Clutter Effect on the Noncontact Seismocardiogram Signals Measured Using Microwave Radars,” 11th International Workshop on Structural Health Monitoring, Stanford, CA, 2017.

63. N. B. Bolus, C. N. Teague, G. F. Kogler, and O. T. Inan, “An Instrumented Ankle Foot Orthosis for Quantifying the Influence of Plantarflexion Resistance on Joint Kinematics in Healthy Individuals,” 41st Annual Meeting of the American Society of Biomechanics (ASB), Boulder, CO, 2017.

62. H. Toreyin, A. Q. Javaid, and O. T. Inan, “Quantifying the Effects of Blood Pressure Changes on Ballistocardiogram Signals,” 25th Signal Processing and Communications Applications Conference (SIU), Antalya, Turkey, 2017.

61. D. C. Whittingslow, B. Semiz, L. Ponders, A. D. Wiens, O. T. Inan, and S. Prahalad, “Analysis and Implications of Non-Invasive Knee Acoustical Emissions in Juvenile Idiopathic Arthritis: A Case Study,” ACR / ARHP Pediatric Rheumatology Symposium, Houston, TX, 2017.

60. M. Baran Pouyan, L. B. Arroyo, S. Hersek, M. Janmohamed, T. De Marco, G. M. Wieselthaler, V. N. Selby, O. T. Inan, and L. Klein, “Novel Techniques of Sound Wave Analysis Can Detect Ventricular Assist Device Thrombosis,” 37th Annual Meeting & Scientific Sessions of the International Society for Heart and Lung Transplantation (ISHLT), San Diego, CA, 2017.

59. T. Wehbe, V. J. Mooney, A. Q. Javaid, and O. T. Inan, “A Novel Physiological Features-Assisted Architecture for Rapidly Distinguishing Health Problems from Hardware Trojan Attacks and Errors in Medical Devices,” IEEE International Symposium on Hardware Oriented Security and Trust (HOST), McLean, VA, 2017. (Accepted for oral presentation; 25% acceptance rate.)

58. C.-S. Kim, S. L. O. Martin, A. M. Carek, H. Ashouri, O. T. Inan, R. Mukkamala, and J.-O. Hahn, “Unobtrusive Blood Pressure Monitoring via Pulse Transit Time: Ballistocardiogram-Based Approach,” 39th Annual IEEE Engineering in Medicine and Biology Conference, Jeju Island, Korea, 2017.

2016
57. H. Ashouri and O. T. Inan, “Investigating the effects of stance width on signal quality for standing head-to-foot ballistocardiogram measurements,” IEEE Biomedical and Health Informatics Conference (BHI), Orlando, FL, 2016.

56. H. Toreyin, 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 Biomedical and Health Informatics Conference (BHI), Orlando, FL, 2016. (Accepted for oral presentation; 14% acceptance rate.)

55. M. M. H. Shandhi, S. Hersek, and O. T. Inan, “A finite element model of knee electrical bioimpedance for facilitating edema quantification,” IEEE Biomedical and Health Informatics Conference (BHI), Orlando, FL, 2016.

54. C. Zhang, A. Bedri, G. Reyes, B. Bercik, O. T. Inan, T. E. Starner, and G. Abowd, “TapSkin: Recognizing On-Skin Input for Smartwatches,” ACM International Conference on Interactive Surfaces and Spaces (ACM ISS), Niagara Falls, Canada, 2016.

53. A. M. Carek, J. Conant, and O. T. Inan, “Live Demonstration: Pulse Transit Time Measurement on a Modified Weighing Scale for Cuffless Blood Pressure Estimation,” IEEE Sensors Conference, Orlando, FL, 2016.

52. S. Shah, C. N. Teague, O. T. Inan, and J. Hasler, “A Proof-of-Concept Classifier for Acoustic Signals from the Knee Joint on a FPAA,” IEEE Sensors Conference, Orlando, FL, 2016.

51. O. T. Inan, A. Dorier, S. Dowling, A. Q. Javaid, M. Etemadi, S. Roy, T. De Marco, and L. Klein, “Activity-Contextualized Wearable Ballistocardiogram Measurements can Classify Decompensated versus Compensated Heart Failure Patients,” American Heart Association (AHA) Scientific Sessions, New Orleans, LA, 2016.

50. O. T. Inan, A. Q. Javaid, S. Dowling, H. Ashouri, M. Etemadi, J. A. Heller, S. Roy, and L. Klein, “Using Ballistocardiography to Monitor Left Ventricular Function in Heart Failure Patients,” Heart Failure Society of America Scientific Meeting, Orlando, FL, 2016.

49. J. A. Jambulingam, R. McCrory, L. West, and O. T. Inan, “Non-Invasive, Multi-Modal Sensing Techniques for Detecting Infiltration during Intravenous Therapy,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

48. N. B. Bolus, G. F. Kogler, and O. T. Inan, “A Novel Method to Assess Angle Sensor Performance for Use in Wearable Joint Range of Motion Sensing,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

47. S. Shah, H. Toreyin, O. T. Inan, and J. Hasler, “Reconfigurable Analog Classifier For Knee-Joint Rehabilitation,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

46. H. Toreyin, 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,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

45. A. M. Carek and O. T. Inan, “A Temperature-Controlled Glove with Non-Invasive Arterial Pulse Sensing for Active Neuro-Vascular Assessment,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

44. A. D. Wiens, S. Prahalad, and O. T. Inan, “VibroCV: A Computer Vision Based Vibroarthrography Platform with Possible Application to Juvenile Idiopathic Arthritis,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

43. A. Q. Javaid, S. Dowling, M. Etemadi, J. A. Heller, S. Roy, L. Klein, and O. T. Inan, “Quantification of Posture-Induced Changes in Wearable Ballistocardiogram Signals for Heart Failure Patients,” Computers in Cardiology, Vancouver, BC, Canada, 2016.
(Invited Paper.)

42. R. Mukkamala, O. T. Inan, J.-O. Hahn, and L. K. Mestha, “Contact and Non-Contact Pulse Transit Time Measurement Systems for Cuff-Less Blood Pressure Tracking,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

41. O. T. Inan, A. Q. Javaid, S. Dowling, H. Ashouri, M. Etemadi, J. A. Heller, S. Roy, and L. Klein, “Wearable Ballistocardiogram Measurements during Six Minute Walk Tests for Heart Failure Patients,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

40. O. T. Inan, R. Mukkamala, and J.-O. Hahn, “Ballistocardiography as a Proximal Timing Reference for Pulse Transit Time: Measurement and Timing Detection Methods,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

39. Z. Xia, A. M. Carek, O. T. Inan, and Y. Zhang, “Comparison of Noncontact and Accelerometer Based Cardiogenic Chest Wall Movement Signals: A Preliminary Study,” 38th Annual IEEE Engineering in Medicine and Biology Conference, Orlando, FL, 2016.

38. O. T. Inan, S. Hersek, C. N. Teague, H. Toreyin, 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.

37. O. Quesada, M. El Banani, J. Heller, S. Beach, M. Etemadi, S. Roy, O. T. Inan, J. Gonzalez, and L. Klein, “A Pilot Study of a Modified Bathroom Scale to Monitor Cardiovascular Hemodynamics in Pregnancy,” American College of Cardiology Meeting, Chicago, IL, 2016.

36. M. Etemadi, M. A. Brooke, J. Alex Heller, S. Roy, O. T. Inan, and G. P. Victorino, “Wearable Hemodynamic Monitoring for Trauma Resuscitation,” IEEE Biomedical and Health Informatics Conference, Las Vegas, NV, 2016.

35. C. Wick, J. Yao, P. Bhatti, O. T. Inan, and S. Tridandapani, “Dynamic Time Warping for Heart-Rate-Independent Timing of Cardiac Phases,” IEEE Biomedical and Health Informatics Conference, Las Vegas, NV, 2016.

34. A. Q. Javaid, H. Ashouri, and O. T. Inan, “Estimating Systolic Time Intervals During Walking Using Wearable Ballistocardiography,” IEEE Biomedical and Health Informatics Conference, Las Vegas, NV, 2016.

33. H. Ashouri and O. T. Inan, “Improving the Accuracy of Proximal Timing Detection from Ballistocardiogram Signals using a High Bandwidth Force Plate,” IEEE Biomedical and Health Informatics Conference, Las Vegas, NV, 2016.

2015
32. H. Toreyin, A. Q. Javaid, H. Ashouri, O. Ode, and O. T. Inan, “Towards Ubiquitous Blood Pressure Monitoring in an Armband using Pulse Transit Time,” IEEE Biomedical Circuits and Systems (BioCAS) Conference¸Atlanta, GA, 2015.

31. H. Toreyin, C. N. Teague, S. Hersek, M. L. Millard-Stafford, M. L. Jones, G. F. Kogler, M. N. Sawka, and O. T. Inan, “A Wearable System for Activity-Contextualized Knee-Joint Health Assessment via Acoustic Emissions,” NIH IEEE Point-of-Care-Technologies Conference, Bethesda, MD, 2015.

30. A. M. Carek, H. Toreyin, S. Hersek, and O. T. Inan, “Preliminary Methods for Wearable Neuro-Vascular Assessment with Non-Invasive, Active Sensing,” 37th Annual IEEE Engineering in Medicine and Biology Conference, Milan, Italy, 2015.

29. C. A. Wick, O. T. Inan, and S. Tridandapani, “Cardiac Quiescence from Seismocardiography and Echocardiography,” 37th Annual IEEE Engineering in Medicine and Biology Conference, Milan, Italy, 2015.

28. A. D. Wiens and O. T. Inan, “Accelerometer Body Sensor Network Improves Systolic Time Interval Assessment with Wearable Ballistocardiography,” 37th Annual IEEE Engineering in Medicine and Biology Conference, Milan, Italy, 2015.

27. C. McCall, R. Rostosky, R. M. Wiard, O. T. Inan, L. Giovangrandi, C. M. Cuttino, and G. T. A. Kovacs, “Noninvasive Pulse Transit Time Measurement for Arterial Stiffness Monitoring in Microgravity,” 37th Annual IEEE Engineering in Medicine and Biology Conference, Milan, Italy, 2015.

26. C. Teague, S. Hersek, H. Toreyin, 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,” IEEE Body Sensor Networks, Boston, MA, 2015.
(Accepted for oral presentation; 20% acceptance rate.)

25. A. Q. Javaid, N. F. Fesmire, M. A. Weitnauer, and O. T. Inan, “Towards robust estimation of systolic time intervals using head-to-foot and dorso-ventral components of sternal acceleration signals,” IEEE Body Sensor Networks, Boston, MA, 2015.
(Accepted for oral presentation; 20% acceptance rate.)

24. C.-S. Kim, A. M. Carek, R. Mukkamala, O. T. Inan, and J.-O. Hahn, “Ballistocardiogram as a Proximal Timing Reference for Pulse Transit Time Measurement: Potential for Cuffless Blood Pressure Monitoring,” MedicalCPS, 2015.

23. A. D. Wiens, A. Carek, and O. T. Inan, “Sternal vibrations reflect hemodynamic changes during immersion: Underwater ballistocardiography,” 169th Meeting of the Acoustical Society of America, Pittsburgh, PA, 2015.

2014
22. A. Wiens, M. Etemadi, S. Roy, L. Klein, and O. T. Inan, “Wearable ballistocardiography: Preliminary methods for mapping surface vibration measurements to whole body forces,” 36th Annual IEEE Engineering in Medicine and Biology Conference, Chicago, IL, 2014. (Invited Paper.)

21. C. McCall, Z. Stuart, R. M. Wiard, O. T. Inan, L. Giovangrandi, C. M. Cuttino, and G. T. A. Kovacs, “Standing ballistocardiogram measurements in microgravity,” 36th Annual IEEE Engineering in Medicine and Biology Conference, Chicago, IL, 2014. (Invited Paper.)

20. M. Etemadi, S. Hersek, J. M. Tseng, N. Rabbani, J. A. Heller, S. Roy, L. Klein, and O. T. Inan, “Tracking clinical status for heart failure patients using ballistocardiography and electrocardiography signal features,” 36th Annual IEEE Engineering in Medicine and Biology Conference, Chicago, IL, 2014. (Invited Paper.)

19. C. A. Wick, J. H. McClellan, O. T. Inan, and S. Tridandapani, “Seismocardiography-based detection of cardiac quiescence for cardiac computed tomography angiography,” 36th Annual IEEE Engineering in Medicine and Biology Conference, Chicago, IL, 2014. (Invited Paper.)

18. O. T. Inan, M. Etemadi, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Unobtrusive monitoring of cardiovascular health at home using a modified weighing scale,” IFMBE Conference on Medical and Biological Engineering in Computing (MBEC), Dubrovnik, Croatia, 2014. (Invited Paper.)

17. O. T. Inan and A. Wiens, “Early Findings Exploring the Possibility of Combining Ballistocardiogram and Plethysmographic Measures from the Hand,” 36th Annual IEEE Engineering in Medicine and Biology Conference, Chicago, IL, 2014.

Before 2014
16. R. M. Wiard, O. T. Inan, L. Giovangrandi, C. M. Cuttino, and G. T. A. Kovacs, “Preliminary Results from Standing Ballistocardiography Measurements in Microgravity,” 35th Annual IEEE Engineering in Medicine and Biology Conference, Osaka, Japan, 2013.
(Invited paper.)

15. K. Pandia, O. T. Inan, and G. T. A. Kovacs, “A Frequency Domain Analysis of Respiratory Variations in the Seismocardiogram Signal,” 35th Annual IEEE Engineering in Medicine and Biology Conference, Osaka, Japan, 2013.

14. O. T. Inan, K. Pandia, L. Giovangrandi, R. T. Zamanian, and G. T. A. Kovacs, “A Preliminary Study Investigating the Quantification of Beat-To-Beat Morphological Consistency in Seismocardiogram Signals,” 35th Annual IEEE Engineering in Medicine and Biology Conference, Osaka, Japan, 2013.
(Invited paper.)

13. D. Park, O. T. Inan, and L. Giovangrandi, “A Combined Heartbeat Detector based on Individual BCG and IPG Heartbeat Detectors,” 34th Annual IEEE Engineering in Medicine and Biology Conference, San Diego, CA, 2012.

12. L. Giovangrandi, O. T. Inan, D. Banerjee, and G. T. A. Kovacs, “Preliminary Results from BCG and ECG Measurement in the Heart Failure Clinic,” 34th Annual IEEE Engineering in Medicine and Biology Conference, San Diego, CA, 2012.
(Invited paper.)

11. O. T. Inan, “Recent Advances in Cardiovascular Monitoring using Ballistocardiography,” 34th Annual IEEE Engineering in Medicine and Biology Conference, San Diego, CA, 2012.
(Invited paper.)

10. L. Giovangrandi, O. T. Inan, R. M. Wiard, M. Etemadi, and G. T. A. Kovacs, “Ballistocardiography—A Method Worth Revisiting,” 33rd Annual IEEE Engineering in Medicine and Biology Conference, Boston, MA, 2011.
(Invited paper.)

9. O. T. Inan, D. Park, G. T. A. Kovacs, and L. Giovangrandi, “Multi-Signal Electromechanical Cardiovascular Monitoring on a Modified Home Bathroom Scale,” 33rd Annual IEEE Engineering in Medicine and Biology Conference, Boston, MA, 2011.

8. O. T. Inan, O. Marcu, M. E. Sanchez, S. Bhattacharya, L. Giovangrandi, and G. T. A. Kovacs, “Innovative Methods for Enabling Automatic Analysis of Drosophila Behavioral Activity in Space and Terrestrial Settings,” IBE 2009, Santa Clara, CA.

7. M. Etemadi, O. T. Inan, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Non-Invasive Assessment of Cardiac Contractility on a Weighing Scale,” 31st Annual IEEE Engineering in Medicine and Biology Conference, Minneapolis, MN, 2009.

6. O. T. Inan, M. Etemadi, R. M. Wiard, G. T. A. Kovacs, and L. Giovangrandi, “Novel Methods for Estimating the Ballistocardiogram Signal Using a Simultaneously Acquired Electrocardiogram,” 31st Annual IEEE Engineering in Medicine and Biology Conference, Minneapolis, MN, 2009.

5. O. T. Inan, M. Etemadi, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Non-Invasive Cardiac Output Trending During Exercise Recovery on a Home Bathroom Scale,” Athlete’s Heart, Sudden Death & Hypertrophic Cardiomyopathy Conference, Stanford, CA, 2009.

4. M. Etemadi, O. T. Inan, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Non-invasive Assessment of Valsalva-Induced Hemodynamic Changes on a Home Bathroom Scale,” Athlete’s Heart, Sudden Death & Hypertrophic Cardiomyopathy Conference, Stanford, CA, 2009.

3. O. T. Inan, M. Etemadi, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Evaluating the Foot Electromyogram Signal as a Noise Reference for Bathroom-Scale Ballistocardiogram Recording,” 21st Annual IEEE International Symposium on Computer Based Medical Systems, Jyväskylä, Finland, 2008.

2. O. T. Inan, M. Etemadi, R. M. Wiard, G. T. A. Kovacs, and L. Giovangrandi, “Non-Invasive Monitoring of Valsalva-Induced Hemodynamic Changes Using a Bathroom Scale Ballistocardiograph,” 30th Annual IEEE Engineering in Medicine and Biology Conference, Vancouver, B.C., 2008.

1. A. Ozcan, O. T. Inan, N. I. Maluf, G. T. A. Kovacs, M. J. F. Digonnet, G. S. Kino, “Alternative data-processing methods for frequency domain OCT,” 2006 IEEE Conference on Lasers and Electro-Optics.

Patents
4. O. T. Inan, M. Etemadi, R. M. Wiard, L. Giovangrandi, and G. T. A. Kovacs, “Systems and Methods for Monitoring Heart Function,” US Patents 8,858,449 and 8,870,780, Issued in 2014.

3. K. Pandia, O. T. Inan, and L. Giovangrandi, “Methods and System of Determining Cardio-Respiratory Parameters,” US Patent Application 20110021928, Filed July, 2010 by Stanford University.

2. L. Giovangrandi, O. T. Inan, B. Dura, and M. Q. Chen, “Control of Cardiac Excitability Using High Frequency Signals,” US Patent Application 20140228837, Filed October, 2011 by Stanford University.

1. O. T. Inan and A. D. Wiens, “A Novel System Identification Technique for Improved Wearable Hemodynamics Assessment,” US Provisional Patent Application, Filed August 25, 2014 by Georgia Institute of Technology.