Samuel Emil Schmidt

M.Sc.Biomedical Engineering & Informatics, PhD

  • Fredrik Bajers Vej 7, C1-204

    9220 Aalborg Ø

    Denmark

20072020

Research output per year

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Research Output

2020

Absence of colon as the predominant risk factor for liver fibrosis in adults requiring home parenteral nutrition

Christensen, S. R., Olesen, A. L. K., Kristensen, L. H., Jensen, M. H., Rasmussen, H. H., Køhler, M., Schmidt, S., Vinter-Jensen, L. & Holst, M., Feb 2020, In : Clinical Nutrition ESPEN. 35, p. 141-145 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

A Clinical Method for Estimation of VO2max Using Seismocardiography

Sørensen, K., Poulsen, M. K., Karbing, D. S., Søgaard, P., Struijk, J. J. & Schmidt, S. E., Sep 2020, In : International Journal of Sports Medicine. 41, 10, p. 661-668 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
74 Downloads (Pure)

Ambient Noise Reduction and Enhancement of Maternal Vascular Murmurs in Abdominal Acoustic Recordings During Pregnancy Using a Wiener Filter

Eiriksdóttir, D. H., Zimmermann, H., Sæderup, R. G., Riknagel, D., Hansen, J., Struijk, J. J. & Schmidt, S. E., 2020, (Accepted/In press).

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearchpeer-review

A novel non-exercise method for estimation of cardiorespiratory fitness using a chest mounted accelerometer

Schmidt, S. E., Sørensen, K., Poulsen, M. K., Karbing, D. S., Søgaard, P. & Struijk, J. J., 18 Sep 2020, (Accepted/In press).

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearchpeer-review

Open Access

Contractile Fronts In The Interventricular Septum: A Case For High Frame Rate Echocardiographic Imaging

Andersen, M. S., Moore, C., LeFevre, M., Arges, K., Friedman, D. J., Atwater, B. D., Kisslo, J., Søgaard, P., Struijk, J. J., von Ramm, O. T. & Schmidt, S. E., Sep 2020, In : Ultrasound in Medicine and Biology. 46, 9, p. 2181-2192 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
9 Downloads (Pure)
2019

Automated detection and discriminative localization of age-related macular degeneration in optical coherence tomography volumes using deep learning

Kristensen, M., Shah-Jørgensen, C. S., Schmidt, S. E. & Thiesson, B., 9 Oct 2019.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearchpeer-review

File
29 Downloads (Pure)

Autoregressive Whitening Filter for Detection of Coronary Artery Disease Based on Phonocardiography

Larsen, B. S., Winther, S., Nissen, L., Diederichsen, A., Bøttcher, M., Struijk, J. J., Christensen, M. G. & Schmidt, S. E., Sep 2019, In : Computing in Cardiology. 46, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
8 Downloads (Pure)

Autoregressive Whitening Filtering of Phonocardiography Signals for Detection of Coronary Artery Disease

Larsen, B. S., Winther, S., Nissen, L., Diederichsen, A., Bottcher, M., Struijk, J., Christensen, M. G. & Emil Schmidt, S., Sep 2019, In : Computing in Cardiology. 46

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
18 Downloads (Pure)

Cardiac Mechanical Signals

Casanella, R., Khosrow-khavar, F., Schmidt, S., Zanetti, J. & Tavakolian, K., 13 Feb 2019, Cardiovascular Computing—Methodologies and Clinical Applications. Golemati, S. & Nikita, K. S. (eds.). Singapore: Springer, p. 63-79 17 p. (Series in BioEngineering (SERBIOENG)).

Research output: Contribution to book/anthology/report/conference proceedingBook chapterResearchpeer-review

Changes of Seismocardiographic Intervals in Cardiac Resynchronization Therapy

Sørensen, K., Struijk, J. J., Jensen, A. S., Emerek, K. J. G., Søgaard, P. & Schmidt, S. E., Sep 2019, Annual Computing in Cardiology Conference, CinC.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Open Access

Comparison of Cardiotocography and Fetal Heart Rate Estimators Based on Non-Invasive Fetal ECG

Sæderup, R. G., Zimmermann, H., Eiríksdóttir, D. H., Hansen, J., Struijk, J. J. & Schmidt, S., Sep 2019, In : Computing in Cardiology. 46, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
4 Downloads (Pure)

Comparison of Different Methods for Estimating Cardiac Timings: A Comprehensive Multimodal Echocardiography Investigation

Dehkordi, P., Khosrow-Khavar, F., Di Rienzo, M., Inan, O. T., Schmidt, S. E., Blaber, A., Sørensen, K., Struijk, J. J., Zakeri, V., Lombardi, P., Shandhi, M. M. H., Borairi, M., Zanetti, J. M. & Tavakolian, K., 22 Aug 2019, In : Frontiers in Physiology. 10, 1057.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
5 Citations (Scopus)
12 Downloads (Pure)

Coronary artery disease risk reclassification by a new acoustic-based score

Schmidt, S. E., Winther, S., Larsen, B. S., Groenhoej, M. H., Nissen, L., Westra, J., Frost, L., Holm, N. R., Mickley, H., Steffensen, F. H., Lambrechtsen, J., Nørskov, M. S., Struijk, J. J., Diederichsen, A. C. P. & Boettcher, M., 1 Nov 2019, In : International Journal of Cardiovascular Imaging. 35, 11, p. 2019-2028 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
3 Citations (Scopus)
30 Downloads (Pure)

Correlation Between Valve Event Amplitudes in the Seismocardiogram and VO2-max

Sørensen, K., Poulsen, M. K., Karbing, D. S., Søgaard, P., Struijk, J. J. & Schmidt, S. E., 2019.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearchpeer-review

Open Access
File
40 Downloads (Pure)

Danish study of Non-Invasive testing in Coronary Artery Disease 2 (Dan-NICAD 2): study design for a controlled study of diagnostic accuracy

Rasmussen, L. D., Winther, S., Westra, J., Isaksen, C., Ejlersen, J. A., Brix, L., Kirk, J., Urbonaviciene, G., Søndergaard, H. M., Hammid, O., Schmidt, S. E., Knudsen, L. L., Madsen, L. H., Frost, L., Petersen, S. E., Gormsen, L. C., Christiansen, E. H., Eftekhari, A., Holm, N. R., Nyegaard, M. & 3 others, Chiribiri, A., Bøtker, H. E. & Böttcher, M., 1 Sep 2019, In : American Heart Journal. 215, p. 114-128 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
1 Citation (Scopus)
4 Downloads (Pure)

Fee for service versus lump sum payment: Cost-cost model for ruling out coronary artery disease in Germany - private insurance versus statutory sick funds

Wahler, S., Winther, S., Schmidt, S. E. & Müller, A., 2019, In : Value in Health. 22, Suppl. 3, p. S553 PCV65.

Research output: Contribution to journalJournal articleResearchpeer-review

Head Pulsation Signal Analysis for 3-Axis Head-Worn Accelerometers

Lahdenoja, O., Hurnanen, T., Koskinen, J., Kaisti, M., Munck, K., Schmidt, S. E., Koivisto, T. & Pänkäälä, M., Sep 2019, In : Computing in Cardiology. 46, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
3 Downloads (Pure)

Pre-test probability prediction in patients with a low to intermediate probability of coronary artery disease: a prospective study with a fractional flow reserve endpoint

Winther, S., Westra, J., Schmidt, S. E., Holm, N. R., Knudsen, L. L., Madsen, L. H., Nissen, L., Bouteldja, N., Frost, L., Urbonaviciene, G., Christiansen, E. H., Bøtker, H. E. & Bøttcher, M., 1 Nov 2019, In : European Heart Journal Cardiovascular Imaging. 20, 11, p. 1208-1218 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

4 Citations (Scopus)

Quality Assessment of Maternal and Fetal Cardiovascular Sounds Recorded from the Skin near the Uterine Arteries During Pregnancy

Eiriksdóttir, D. H., Sæderup, R. G., Riknagel, D., Zimmermann, H., Plocharski, M., Hansen, J., Struijk, J. J. & Schmidt, S. E., Sep 2019, In : Computing in Cardiology. 46, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
3 Downloads (Pure)

Quantitative Parameters of High-Frame-Rate Strain in Patients with Echocardiographically Normal Function

Andersen, M. V., Moore, C., Søgaard, P., Friedman, D., Atwater, B. D., Arges, K., LeFevre, M., Struijk, J. J., Kisslo, J., Schmidt, S. E. & von Ramm, O. T., 1 May 2019, In : Ultrasound in Medicine & Biology. 45, 5, p. 1197-1207 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File

RISK DETERMINATION OF CORONARY ARTERY DISEASE

Translated title of the contribution: RISK DETERMINATION OF CORONARY ARTERY DISEASESchmidt, S. E., 2 May 2019, IPC No. A61B 5/ 024 A N, Patent No. WO2019081630, Priority date 26 Oct 2017, Priority No. EP20170198552

Research output: Patent

Open Access

Variation of the Seismocardiogram Depending on Measurement Position

Munck, K., Pedersen, M. W., Udesen, N. L. K., Omar, M., Sørensen, K., Struijk, J. J., Møller, J. E., Søgaard, P. & Schmidt, S. E., Sep 2019, Annual Computing in Cardiology Conference, CinC.

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Open Access
File
5 Downloads (Pure)

Visualization of the Multichannel Seismocardiogram

Munck, K., Sørensen, K., Struijk, J. J. & Schmidt, S. E., Sep 2019, In : Computing in Cardiology. 46, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
10 Downloads (Pure)
2018

Aliasing artefact index for image interpolation quality assessment

Rukundo, O. & Schmidt, S., 7 Nov 2018, Optoelectronic Imaging and Multimedia Technology V. SPIE - International Society for Optical Engineering, 108171E. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 10817).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
2 Citations (Scopus)
98 Downloads (Pure)

Cost analysis for ultra-sensitive phonocardiography used as primary test for coronary artery disease in Germany

Wahler, S., Schmidt, S. E., Müller, A. & Winther, S., 2018, In : Clinical Research in Cardiology. 107, Suppl. 3, 1 p.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Open Access

Cost-Cost Model for Ruling Out Coronary Artery Disease in Symptomatic Patients with Ultra-Sensitive Phonocardiography in the German Ambulatory Sector

Wahler, S., Winther, S., Müller, A. & Schmidt, S. E., Oct 2018, In : Value in Health. 21, Suppl. 3, p. S250

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Definition of Fiducial Points in the Normal Seismocardiogram

Sørensen, K., Schmidt, S. E., Jensen, A. S., Søgaard, P. & Struijk, J. J., 18 Oct 2018, In : Scientific Reports. 8, 1, 11 p., 15455.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
15 Citations (Scopus)
168 Downloads (Pure)

Detecting the Onset of Contraction Using High Frame Rate Strain Rate Images

Andersen, M. V., Moore, C., Struijk, J. J., Arges, K., Lefevre, M., Søgaard, P., Kisslo, J., Schmidt, S. E. & Von Ramm, O. T., 6 Nov 2018, In : Circulation. 138, Suppl. 1, 15751.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Open Access

Determining the Respiratory State From a Seismocardiographic Signal: A Machine Learning Approach

Ulrich, C., Jensen, M., Hansen, R., Tavakolian, K., Khosrow-Khavar, F., Blaber, A., Sørensen, K. & Schmidt, S. E., 2018, In : Computing in Cardiology. 45, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
1 Citation (Scopus)
97 Downloads (Pure)

Diagnostic performance of an acoustic-based system for coronary artery disease risk stratification

Winther, S., Nissen, L., Schmidt, S. E., Westra, J. S., Rasmussen, L. D., Knudsen, L. L., Madsen, L. H., Kirk Johansen, J., Larsen, B. S., Struijk, J. J., Frost, L., Holm, N. R., Christiansen, E. H., Botker, H. E. & Bøttcher, M., 1 Jun 2018, In : Heart. 104, 11, p. 928–935 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
7 Citations (Scopus)
207 Downloads (Pure)

Effects of rescaling bilinear interpolant on image interpolation quality

Rukundo, O. & Schmidt, S., 2 Nov 2018, Optoelectronic Imaging and Multimedia Technology V: Proceedings of SPIE. SPIE - International Society for Optical Engineering, 11 p. 1081715. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 10817).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
2 Citations (Scopus)
92 Downloads (Pure)

Estimation of the second heart sound split using windowed sinusoidal models

Sæderup, R. G., Hoang, P., Winther, S., Bøttcher, M., Struijk, J. J., Schmidt, S. & Østergaard, J., Jul 2018, In : Biomedical Signal Processing and Control. 44, p. 229-236 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

3 Citations (Scopus)

Extrapolation for image interpolation

Rukundo, O. & Schmidt, S., 2 Nov 2018, Optoelectronic Imaging and Multimedia Technology V: Proceedings of SPIE. SPIE - International Society for Optical Engineering, 11 p. 108171F. (Proceedings of SPIE, the International Society for Optical Engineering, Vol. 10817).

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Open Access
File
2 Citations (Scopus)
123 Downloads (Pure)

Heart Sounds Obtained With Noncontact Continuous-Wave Echo Doppler

Struijk, J. J., Eiriksdóttir, D. H., Pálsdóttir, Á. A. & Schmidt, S. E., 2018, In : Computing in Cardiology. 45, 3 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
112 Downloads (Pure)

Multichannel Seismocardiography: A Novel Method for Investigating the Seismocardiogram

Munck, K., Schmidt, S. E., Sørensen, K. & Struijk, J. J., 2018.

Research output: Contribution to conference without publisher/journalConference abstract for conferenceResearchpeer-review

Open Access
File
11 Downloads (Pure)

Risk-Reclassification of Patients With Suspected Coronary Artery Disease Using an Acoustic Score

Schmidt, S. E., Winther, S., Grønhøj, M. H., Nissen, L., Larsen, B. S., Westra, J. S., Holm, N. R., Frost, L., Bøtker, H. E., Diederichsen, A., Struijk, J. J. & Boettcher, M. H., 6 Nov 2018, In : Circulation. 138, Suppl. 1, 15761.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Open Access

Strain Rate Imaging for Visualization of Electro Mechanical Coupling

Andersen, M. V., Schmidt, S. E., Søgaard, P., Struijk, J. J., Von Ramm, O. T., Moore, C., Atwater, B., Friedman, D. J., Agnes, K., Lefevre, M. & Kisslo, J., Mar 2018.

Research output: Contribution to conference without publisher/journalPosterResearch

Open Access

Transient elastography in patients with intestinal failure type 3 and intestinal insufficiency

Køhler, M., Olesen, A. L. K., Kristensen, L. H., Jensen, M. H., Christensen, S. R., Schmidt, S. E., Holst, M. & Rasmussen, H. H., 2018, In : Clinical Nutrition. 37, p. S230-S231

Research output: Contribution to journalConference abstract in journalResearchpeer-review

2017

Association between Tpeak-Tend interval and QT prolongation: A study of sertindole and sotalol

Shakibfar, S., Struijk, J. J., Kanters, J. K., Nielsen, J., Schmidt, S. & Graff, C., 2017, In : Pharmacology, Drug Development & Therapeutics. 1, 2, p. 1-6

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
214 Downloads (Pure)

Cardiovascular and cardiorespiratory fitness determination

Schmidt, S., Sørensen, K., Søgaard, P. & Struijk, J. J., 2017, Patent No. WO/2017/216375, 21 Dec 2017

Research output: Patent

Open Access

Challenges in using seismocardiography for blood pressure monitoring

Sørensen, K., Verma, A. K., Blaber, A., Zanetti, J., Schmidt, S., Struijk, J. J. & Tavakolian, K., 2017, In : Computing in Cardiology. 44, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
2 Citations (Scopus)
190 Downloads (Pure)

Coronary artery disease can be detected by an advanced sound analysis from the coronary circulation

Winther, S., Nissen, L., Westra, J., Johansen, J. K., Holm, N. H., Bottcher, M., Schmidt, S. E., Dupont, L., Larsen, B. S., Frost, L. & Botker, H. E., 2017, In : European Heart Journal. 38, Suppl. 1, p. 189-190 P862.

Research output: Contribution to journalConference abstract in journalResearchpeer-review

Correlations of first and second heart sounds with age, sex, and body mass index

Larsen, B. S., Winther, S., Bøttcher, M., Nissen, L., Struijk, J. J. & Schmidt, S., 2017, In : Computing in Cardiology. 44, 4 p.

Research output: Contribution to journalConference article in JournalResearchpeer-review

Open Access
File
1 Citation (Scopus)
164 Downloads (Pure)

High speed clinical strain measurements

Andersen, M., Moore, C., Ages, K., Lefevre, M., Schmidt, S., Kisslo, J. & Von Ramm, O. T., 31 Oct 2017, IEEE International Ultrasonics Symposium, IUS 2017, 6-9 September 2017, Washington, DC, USA. IEEE, 8091915

Research output: Contribution to book/anthology/report/conference proceedingConference abstract in proceedingResearchpeer-review

Minimal T-wave representation and its use in the assessment of drug arrhythmogenicity

Shakibfar, S., Graff, C., Kanters, J. K., Nielsen, J., Schmidt, S. & Struijk, J. J., 2017, In : Annals of Noninvasive Electrocardiology. 22, 3, 6 p., e12413.

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)

Quantitative seismocardiography

Schmidt, S., Samuelsen, P., Søgaard, P. & Struijk, J. J., 2017, IPC No. A61B5/11, Patent No. WO/2017/216374, 21 Dec 2017, Priority date 16 Jun 2016, Priority No. 16174743

Research output: Patent

Open Access

Recent advances in heart sound analysis

Clifford, G. D., Liu, C., Moody, B. E., Roig, J. M., Schmidt, S. E., Li, Q., Silva, I. & Mark, R. G., 2017, In : Physiological Measurement. 38, p. E10-E25

Research output: Contribution to journalReview articleResearchpeer-review

Open Access
File
31 Citations (Scopus)
498 Downloads (Pure)

Risk stratification of patients suspected of coronary artery disease using an acoustic detection algorithm

Winther, S., Nissen, L., Schmidt, S., Westra, J., Dupont, L., Kirk, J., Larsen, B. S., Frost, L., Holm, N., Botker, H. & Boettcher, M., 2017, In : Journal of the American College of Cardiology. 69, 11, Suppl., p. 80

Research output: Contribution to journalConference abstract in journalResearchpeer-review