Publications

Journal Papers

• N. Janjušević, J. Chen, L. Ginocchio, et al., "Self-Supervised Noise Adaptive MRI Denoising via Repetition to Repetition (Rep2Rep) Learning," Magnetic Resonance in Medicine (2025): 1–15, doi: 10.1002/mrm.70155. pdf, preprint, supporting info

• N. Janjušević, A. Khalilian-Gourtani, A. Flinker, Li Feng, and Y. Wang, "GroupCDL: Interpretable Denoising and Compressed Sensing MRI via Learned Group-Sparsity and Circulant Attention," in IEEE Transactions on Computational Imaging, vol. 11, pp. 201-212, 2025, doi: 10.1109/TCI.2025.3539021. pdf, preprint, code (GroupCDL), code (CircAtt), supporting info

• B. Frost, N. Janjušević, C. Strimbu, and C. Hendon, "Compressed sensing on displacement signals measured with optical coherence tomography," Biomed. Opt. Express 14, 5539-5554 (2023). pdf

• N. Janjušević, A. Khalilian-Gourtani and Y. Wang, "CDLNet: Noise-Adaptive Convolutional Dictionary Learning Network for Blind Denoising and Demosaicing," in IEEE Open Journal of Signal Processing, vol. 3, pp. 196-211, 2022, doi: 10.1109/OJSP.2022.3172842. pdf, page, code

Conference Papers

• N. Janjušević, A. Khalilian-Gourtani, Y. Wang, and Li Feng, "Noisy MRI Reconstruction via MAP Estimation with an Implicit Deep-Denoiser Prior," accepted IEEE ICIP 2026. preprint

• N. Janjušević, A. Khalilian-Gourtani, Y. Wang, and Li Feng, "Learned Primal Dual Splitting for Self-Supervised Noise-Adaptive MRI Reconstruction," 2025 IEEE 22nd International Symposium on Biomedical Imaging (ISBI), Houston, TX, USA, 2025, pp. 1-4, doi: 10.1109/ISBI60581.2025.10980799. pdf, preprint

• N. Janjušević, A. Khalilian-Gourtani and Y. Wang, "Gabor is Enough: Interpretable Deep Denoising with a Gabor Synthesis Dictionary Prior," 2022 IEEE 14th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP), Nafplio, Greece, 2022, pp. 1-5, doi: 10.1109/IVMSP54334.2022.9816313. pdf, preprint, page, code

Preprints

• N. Janjušević, A. Khalilian-Gourtani, A. Flinker, and Y. Wang, "Fast and Interpretable Nonlocal Neural Networks for Image Denoising via Group-Sparse Convolutional Dictionary Learning" arXiv preprint, 2023. pdf, code

• N. Janjušević, A. Khalilian-Gourtani, and Y. Wang, "CDLNet: Robust and Interpretable Denoising Through Deep Convolutional Dictionary Learning" arXiv preprint, 2021. pdf

Seminars, Conferences, Talks

(high resolution slides available on request)

• [09/05/26] International Society for Magnetic Resonance in Medicine (ISMRM), May 9th - May 14th 2026, Cape Town International Convention Centre, Cape Town, South Africa.

  • N. Janjušević et al., Longitudinal MRI Reconstruction Leveraging Patient-Specific Group Sparsity from Prior Images, Flash Presentation.

  • N. Janjušević et al., Diffusion-Style Noisy MRI Reconstruction via Stochastic MAP Estimation with an Implicit Denoiser Prior, Digital Poster.

  • R. Luo, N. Janjušević et al., Noise-Adaptive Self-Supervised Denoising for Metal Artifact Reduction in Accelerated Cervical Spine MRI, Oral Presentation.

  • R. Luo, N. Janjušević et al., Shuffled Repetition-to-Repetition Learning (Rep2Rep-Shuffle) for Noise-Adaptive Self-Supervised Denoising in Sodium MRI, Digital Poster.

• [08/08/2025] Amirhossein Khalilian-Gourtani and Nikola Janjušević, Directly Parameterized Neural Network Construction for Generalization and Robustness, IEEE International Conference on Multimedia Information Processing and Retrieval (MIPR) 2025, San Jose, CA, USA.

• [17/07/25] Nikola Janjušević and Amirhossein Khalilian-Gourtani, SPS Webinar: Directly Parameterized Neural Network Construction for Generalization and Robustness in Imaging Inverse Problems, IEEE Signal Processing Society, 2025.

• [09/05/25] International Society for Magnetic Resonance in Medicine (ISMRM), May 9th - May 15th 2025, Hawai'i Convention Center, Honolulu, Hawai'i, USA.

  • N. Janjušević et al., Noise-Adaptive MRI Denoising Using Self-Supervised Learning with Average-to-Average (Avg2Avg) Loss, Digital Poster.

  • N. Janjušević et al., Joint MRI Reconstruction and Denoising Using Noise-Adaptive Self-Supervised Learning, Digital Poster.

• [27/05/24] L. Bojić and N. Janjušević, Strategija Razvoja Veštačke Inteligencije Kod Nas/An Artificial Inteligence Strategy for Serbia, Eduka Institute of Organizational Business, Belgrade, Serbia.

• [04/05/24] International Society for Magnetic Resonance in Medicine (ISMRM), May 4th - May 9th 2024, Suntec Singapore Convention & Exhibition Centre, Singapore.

  • N. Janjušević et al., Advanced Deep Learning Denoising for Accelerated 0.55T Prostate MRI, Digital Poster + Power-Pitch Presentation.

  • N. Janjušević et al., Self-Supervised Noise-Adaptive Convolutional Dictionary Learning for Low-Field MRI Denoising, Digital Poster.

• [21/02/24] N. Janjušević et al., Learning Deep Denoisers for Low-Field MRI with Noisy Data, Research Seminar, The Center for Biomedical Imaging (CBI) and Center for Advanced Imaging Innovation and Research (CAI$^2$R), February 21st 2024, Translational Research Building, NYU Langone Health, New York, NY, USA. abstract, compressed pdf.

• [18/10/23] N. Janjušević et al., Self-Supervised Low-Field MRI Denoising via Spatial Noise Adaptive CDLNet, Power-Pitch Presentation, i2i Workshop, CAI$^2$R, October 18th - October 19th 2023, NYU Langone, NY, USA.

• [26/06/22] N. Janjušević et al., Gabor is Enough: Interpretable Deep Denoising with a Gabor Synthesis Dictionary Prior, Research Presentation, IEEE 14th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP), June 26th - June 29th 2022, Nafplio, Greece.

Application Notes

• N. Janjušević, J. Langner, "UVNA-63 Application Note Calibration Standards and the SOLT Method", Mini-Circuits, 2019. pdf

• N. Janjušević, "UVNA-63 Application Note Error Correction", Mini-Circuits, 2019. pdf