Christoph Stefan Aigner

Dipl.-Ing. Dr.techn., BSc

20112020

Research output per year

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Research Output

2020

Time optimal control-based RF pulse design under gradient imperfections

Aigner, C. S., Rund, A., Abo Seada, S., Price, A. N., Hajnal, J. V., Malik, S. J., Kunisch, K. & Stollberger, R., Feb 2020, In : Magnetic Resonance in Medicine. 83, 2, p. 561-574 14 p.

Research output: Contribution to journalArticleResearchpeer-review

2019

3D Bloch-Siegert EPI B1+-mapping

Lesch, A. J., Aigner, C. S., Spann, S. M., Schlögl, M. & Stollberger, R., 2019, p. 0926.

Research output: Contribution to conferenceAbstractResearchpeer-review

A time domain signal equation for multi-echo spin-echo sequences with arbitrary excitation and refocusing angle and phase

Petrovic, A., Aigner, C. S., Rund, A. & Stollberger, R., Dec 2019, In : Journal of magnetic resonance. 309, 12 p., 106515.

Research output: Contribution to journalArticleResearchpeer-review

Combining Variational Optimization and Deep Learning for efficient ASL image quality enhancement

Schwarzbach, M., Spann, S. M., Hammernik, K., Aigner, C. S., Pock, T. & Stollberger, R., 2019, Magnetic Resonance Materials in Physics, Biology and Medicine.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

High-Field Detection of Biomarkers with Fast Field-Cycling MRI: The Example of Zinc Sensing

Bödenler, M., Malikidogo, K. P., Morfin, J. F., Aigner, C. S., Tóth, É., Bonnet, C. S. & Scharfetter, H., 21 Jun 2019, In : Chemistry - a European Journal. 25, 35, p. 8236-8239 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Improving temporal resolution of 3D Arterial Spin Labeling perfusion imaging by combining CAIPIRINHA encoding and spatio-temporal TGV reconstruction

Spann, S. M., Shao, X., Wang, D. JJ., Aigner, C. S., Schlögl, M., Bredies, K. & Stollberger, R., 2019, Proc. Intl. Soc. Mag. Reson. Med. 27.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Influence of 4-week multi strain probiotic administration on resting-state functional connectivity in healthy volunteers

Bagga, D., Aigner, C. S., Reichert, J., Chechetto, C., Fischmeister, F. P. S., Holzer, P., Moissl-Eichinger, C. & Schöpf, V., Aug 2019, In : European Journal of Nutrition. 58, 5, p. 1821-1827

Research output: Contribution to journalArticleResearchpeer-review

Open Access
Open Access

Simulation of Bloch and Bloch-McConnell Equations - Speed and Accuracy

Graf, C., Rund, A., Aigner, C. S., Stollberger, R. & Kunisch, K., 11 May 2019, Proc. Intl. Soc. Mag. Reson. Med. 27.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2018

Acceleration of arterial spin labeling data using spatio-temporal total generalized variation (TGV) reconstruction

Spann, S. M., Aigner, C. S., Schlögl, M., Lesch, A. J., Bredies, K., Roppele, S., Pinter, D., Pirpamer, L. & Stollberger, R., 2018, Proc. Intl. Soc. Mag. Reson. Med. 26.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Denoising of functional Arterial Spin Labeling (fASL) perfusion data using infimal convolution of total generalized variation functionals (ICTGV)

Spann, S. M., Schlögl, M., Aigner, C. S., Koschutnig, K., Holler, M., Bredies, K. & Stollberger, R., 2018, Proc. Intl. Soc. Mag. Reson. Med. 26.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Investigating Sex-Specific Characteristics of Nicotine Addiction Using Metabolic and Structural Magnetic Resonance Imaging

Bagga, D., Aigner, C. S., Cecchetto, C., Fischmeister, F. P. S. & Schöpf, V., 2018, In : European Addiction Research.

Research output: Contribution to journalArticleResearchpeer-review

Magnetic Resonance Radiofrequency Pulse Design by Optimal Control

Rund, A., Aigner, C. S., Kunisch, K. & Stollberger, R., 2018, 9th Vienna Conference on Mathematical Modelling.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Magnetic Resonance RF Pulse Design by Optimal Control With Physical Constraints

Rund, A., Aigner, C. S., Kunisch, K. & Stollberger, R., Feb 2018, In : IEEE transactions on medical imaging. 37, 2, p. 461-472 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Magnetic resonance RF pulse design for simultaneous multislice imaging

Aigner, C. S., 2018

Research output: ThesisDoctoral ThesisResearch

MRI-related anxiety in healthy individuals, intrinsic BOLD oscillations at 0.1 Hz and heart rate variability in low frequency bands

Pfurtscheller, G., Schwertfeger, A. R., Fink, D., Brunner, C., Aigner, C. S., Brito, J. & Andrade, A., 2018, In : PLoS ONE.

Research output: Contribution to journalArticleResearchpeer-review

MRI-related anxiety in healthy individuals, intrinsic BOLD oscillations at 0.1 Hz in precentral gyrus and insula, and heart rate variability in low frequency bands

Pfurtscheller, G., Schwerdtfeger, A., Fink, D., Brunner, C., Aigner, C. S., Brito, J. & Andrade, A., 1 Nov 2018, In : PLoS ONE. 13, 11, e0206675.

Research output: Contribution to journalArticleResearchpeer-review

Optimal control based design of parallel transmission RF pulses with minimum local SAR

Rund, A., Aigner, C. S., Kunisch, K. & Stollberger, R., 2018, Proc. Intl. Soc. Mag. Reson. Med. 26.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Probiotics drive gut microbiome triggering emotional brain signatures

Bagga, D., Reichert, J., Koschutnig, K., Aigner, C. S., Holzer, P., Koskinen, K., Moissl-Eichinger, C. & Schöpf, V., 14 Jun 2018, In : Gut Microbes.

Research output: Contribution to journalArticleResearchpeer-review

Simultaneous multislice refocusing via time optimal control

Rund, A., Aigner, C. S., Kunisch, K. & Stollberger, R., Oct 2018, In : Magnetic Resonance in Medicine. 80, 4, p. 1416-1428

Research output: Contribution to journalArticleResearchpeer-review

Synchronization of intrinsic 0.1-Hz blood-oxygen-level dependent (BOLD) oscillations in amygdala and prefrontal cortex in subjects with increased state anxiety

Pfurtscheller, G., Schwertfeger, A. R., Seither-Preisler, A., Brunner, C., Aigner, C. S., Calisto, J., Gens, J. & Andrade, A., 8 Feb 2018, In : European journal of neuroscience. 10 p.

Research output: Contribution to journalArticleResearchpeer-review

The interplay between gender, GABA levels, and nicotine addiction: A proton MRS investigation

Bagga, D., Aigner, C. S., Chechetto, C., Fischmeister, F. P. S., Specht, A., Schwaerzel, F. & Schöpf, V., 2018.

Research output: Contribution to conferenceAbstractResearchpeer-review

Time-optimal control based RF pulse design under gradient imperfections

Aigner, C. S., Rund, A., Abo Seada, S., Malik, S., Hajnal, J. V., Kunisch, K. & Stollberger, R., 2018, Proceedings of the International Society for Magnetic Resonance in Medicine. International Society for Magnetic Resonance in Medicine, Vol. 26.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

”Switch-off” of respiratory sinus arrhythmia can occur in a minority of subjects during functional magnetic resonance imaging (fMRI)

Rassler, B., Schwertfeger, A. R., Aigner, C. S. & Pfurtscheller, G., 2018, In : Frontiers in Physiology. 9, 6 p., 1688.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
2017

Application of time-optimal Simultaneous Multi-Slice refocusing to TSE/RARE

Aigner, C. S., Rund, A., Bilgic, B., Gagoski, B., Setsompop, K., Kunisch, K. & Stollberger, R., 27 Apr 2017, Proc. Intl. Soc. Mag. Reson. Med. 25.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

A time domain signal equation for multi-echo spin-echo sequences with arbitrary exciation and refocusing angle and phase

Petrovic, A., Aigner, C. S. & Stollberger, R., 27 Apr 2017, Proc. Intl. Soc. Mag. Reson. Med. 25.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Distinction between Neural and Vascular BOLD Oscillations and Intertwined Heart Rate Oscillations at 0.1 Hz in the Resting State and during Movement

Pfurtscheller, G., Schwertfeger, A. R., Brunner, C., Aigner, C. S., Fink, D., Brito, J., Carmo, M. P. & Andrade, A., 4 Jan 2017, In : PLoS ONE.

Research output: Contribution to journalArticleResearchpeer-review

Evaluation of RF pulses for 8-channel pTx systems at 7T with respect to hardware constraints and the trade-off between local 10g SAR and excitation accuracy

Nohava, L., Kuehne, A., Aigner, C. S., Rund, A., Moser, E., Laistler, E. & Frass, R., 21 Oct 2017, Procedings ESMRMB.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Improved Denoising of Dynamic Arterial Spin Labeling with Infimal Convolution of Total Generalized Variation Functionals (ICTGV)

Schlögl, M., Spann, S. M., Aigner, C. S., Holler, M., Bredies, K. & Stollberger, R., 2017.

Research output: Contribution to conferenceAbstractResearchpeer-review

RF pulse design by optimal control with physical constraints

Rund, A., Aigner, C. S., Kunisch, K. & Stollberger, R., 27 Apr 2017, Proc. Intl. Soc. Mag. Reson. Med. 25.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Simultaneous multislice refocusing by time-optimal control

Rund, A., Aigner, C. S., Kunisch, K. & Stollberger, R., 30 Apr 2017, Proc. Intl. Soc. Mag. Reson. Med. 25.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Spatio-temporal TGV denoising for ASL perfusion imaging

Spann, S. M., Kazimierski, K. S., Aigner, C. S., Kraiger, M., Bredies, K. & Stollberger, R., 15 Aug 2017, In : NeuroImage. 157, p. 81-96 16 p.

Research output: Contribution to journalArticleResearchpeer-review

The Gut-Brain-Axis: from gut feelings to gut memory

Bagga, D., Koschutnig, K., Mohan, B., Aigner, C. S., Reichert, J., Holzer, P. & Schöpf, V., 27 Apr 2017, Proc. Intl. Soc. Mag. Reson. Med. 25.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

When gut speaks, brain listens: Exploring the influence of gut microbiota on emotional decision making

Bagga, D., Koschutnig, K., Mohan, B., Aigner, C. S., Reichert, J., Holzer, P. & Schöpf, V., 29 Jun 2017.

Research output: Contribution to conferenceAbstractResearchpeer-review

2016

Brain–heart communication: Evidence for “central pacemaker” oscillations with a dominant frequency at 0.1 Hz in the cingulum

Pfurtscheller, G., Schwertfeger, A. R., Seither-Preisler, A., Brunner, C., Aigner, C. S., Brito, J., Carmo, M. P. & Andrade, A., 10 Nov 2016, In : Clinical Neurophysiology. 128, 1

Research output: Contribution to journalArticleResearchpeer-review

Design of complex RF pulse shapes for asymmetric excitation patterns via optimal control

Aigner, C. S., Clason, C., Rund, A., Petrovic, A. & Stollberger, R., 2016, Biomed Tech 2016. p. S140 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Efficient high-resolution RF pulse design applied to simultaneous multi-slice excitation.

Aigner, C., Clason, C., Rund, A. & Stollberger, R., 2016, In : Journal of magnetic resonance. 263, p. 33-44

Research output: Contribution to journalArticleResearchpeer-review

Fast Optimization of RF Excitation

Bödenler, M., Aigner, C. S., Rund, A., Clason, C. & Stollberger, R., 2016.

Research output: Contribution to conferenceAbstractResearchpeer-review

Influence of denoising techniques on the absolute CBF quantification of ASL perfusion data

Spann, S. M., Kazimierski-Hentschel, K., Aigner, C. S., Kraiger, M. & Stollberger, R., 2016.

Research output: Contribution to conferenceAbstractResearchpeer-review

Low SAR RF-pulse design by joint optimization of RF and gradient shape with physical constraints

Aigner, C. S., Clason, C., Rund, A. & Stollberger, R., 2016, Proc. Intl. Soc. Mag. Reson. Med. 24.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Total generalized variation (TGV) for spatio-temporal denoising of high resolution ASL perfusion data

Spann, S. M., Aigner, C. S., Kazimierski-Hentschel, K., Kraiger, M. & Stollberger, R., 2016.

Research output: Contribution to conferenceAbstractResearchpeer-review

2015

Fast and Accurate Quantication of T1, T2 and Proton Density Using IR BSSFP with Slice Prole Correction and Model Based Reconstruction

Lesch, A. J., Petrovic, A., Sumpf, T., Aigner, C. & Stollberger, R., 2015, Proc. Intl. Soc. Mag. Reson. Med. 23. ., p. 1676-1676

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

RF pulse design for simultaneous multislice excitation with highly reduced B1 peak amplitude

Aigner, C., Clason, C., Rund, A. & Stollberger, R., 2015, Proc. Intl. Soc. Mag. Reson. Med. 23. p. 0915-0915

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

SAR reduced excitation by joint design of RF pulse and slice selective gradient shape

Aigner, C., Clason, C., Rund, A. & Stollberger, R., 2015, Proc. Intl. Soc. Mag. Reson. Med. 23. p. 2397-2397

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2014

Intermediate report on subproject MRI in the SFB 'Mathematical Optimization and Application in Medical Science (MOBIS)'

Aigner, C., Knoll, F., Petrovic, A., Schlögl, M. & Stollberger, R., 2014, .

Research output: Book/ReportOther reportResearch

RF pulse design for low SAR simultaneous multislice (SMS) excitation using optimal control

Aigner, C., Clason, C., Rund, A. & Stollberger, R., 2014, Proc. Intl. Soc. Mag. Reson. Med. 22. p. 1448-1448

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

RF pulse design for low SAR simultaneous multislice (SMS) excitation using optimal control

Aigner, C., Clason, C., Rund, A. & Stollberger, R., 2014.

Research output: Contribution to conferenceAbstractResearch

Validation of a flexible optimal control approach for RF-pulse-design including relaxation effects and SAR

Aigner, C., 2014, UMIT - Lecture Notes in Biomedical Computer Science and Mechatronics. ., p. 23-24

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review