@misc{Mojtahedi2026SpectralAdapters,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and Jacob J. Peoples and Natalie Gangai and Mithat Gonen and Yun Shin Chun and HyunSeon Christine Kang and Richard K. G. Do and Amber L. Simpson},
  title = {{Spectral Adapters for Segment Anything Model-based Segmentation of Colorectal Liver Metastases in Computed Tomography}},
  year = {2026},
  howpublished = {arXiv},
  doi = {10.48550/arXiv.2609.11703},
  url = {https://arxiv.org/abs/2609.11703},
  note = {Public preprint; not peer reviewed. 13 pages, 1 figure, 4 tables.},
  eprint = {2609.11703},
  archivePrefix = {arXiv},
  primaryClass = {cs.CV}
}

@article{Kobayashi2026PreoperativeRisk,
  author = {Kaitlyn S. M. Kobayashi and Ramtin Mojtahedi and E. Claire Bunker and Joanne F. Chou and Michael I. D’Angelica and Natalie Gangai and Mithat Gönen and Mohammad Hamghalam and Anish Jain and HyunSeon Christine Kang and Erin Kwak and Jacob J. Peoples and Alexandra H. Robins and Katy L. Scott and Richard K. G. Do and Yun Shin Chun and Amber L. Simpson},
  title = {{Improving Preoperative Risk Stratification in Colorectal Liver Metastases: A Multi-Institutional Evaluation of Multimodal Prediction Models}},
  year = {2026},
  journal = {Scientific Reports},
  doi = {10.1038/s41598-026-60860-9},
  url = {https://doi.org/10.1038/s41598-026-60860-9},
  note = {Nature currently provides an unedited early-access version; volume and article number have not yet been assigned.}
}

@article{Hu2026CarotidRadiomics,
  author = {Ricky Hu and Ramtin Mojtahedi and Ergi Duli and Marie-France Hétu and Laura Mantella and Amber L. Simpson and Michael J. Blaha and Taylor Barwell and Kiera Liblik and Jasjit S. Suri and Amer M. Johri},
  title = {{Radiomic Carotid Plaque Features Integrated into Machine Learning Models for Cardiovascular Risk Prediction}},
  year = {2026},
  journal = {Ultrasound in Medicine \& Biology},
  doi = {10.1016/j.ultrasmedbio.2026.05.006},
  url = {https://doi.org/10.1016/j.ultrasmedbio.2026.05.006},
  note = {Issue, volume, and page range have not yet been assigned by the journal.}
}

@inproceedings{Mojtahedi2026PEFTFoundation,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and Jacob J. Peoples and Richard K. G. Do and Amber L. Simpson},
  title = {{Parameter-Efficient Fine-Tuning of Foundation Models for Liver Tumor Segmentation in CT}},
  year = {2026},
  booktitle = {Medical Imaging 2026: Computer-Aided Diagnosis},
  volume = {13926},
  pages = {260-268},
  publisher = {SPIE},
  doi = {10.1117/12.3087835},
  url = {https://doi.org/10.1117/12.3087835}
}

@article{Mojtahedi2026SelfSupervised,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and Jacob J. Peoples and William R. Jarnagin and Richard K. G. Do and Amber L. Simpson},
  title = {{Self-Supervised Transformer-Based Pipeline for Liver Tumor Segmentation and Type Classification}},
  year = {2026},
  journal = {JCO Clinical Cancer Informatics},
  volume = {10},
  number = {1},
  eid = {e2500135},
  doi = {10.1200/CCI-25-00135},
  url = {https://doi.org/10.1200/CCI-25-00135},
  note = {The public PMC copy is the NIH author manuscript; no Creative Commons licence is asserted here.}
}

@article{Piliposyan2026RadiomicSignatures,
  author = {Mane Piliposyan and Jacob J. Peoples and Mohammad Hamghalam and Ramtin Mojtahedi and Kaitlyn S. M. Kobayashi and E. Claire Bunker and Natalie Gangai and HyunSeon Christine Kang and Yun Shin Chun and Christian Muise and Richard K. G. Do and Amber L. Simpson},
  title = {{Radiomic Signatures from Baseline CT Predict Chemotherapy Response in Unresectable Colorectal Liver Metastases}},
  year = {2026},
  journal = {Journal of Medical Imaging},
  volume = {13},
  number = {1},
  eid = {014505},
  doi = {10.1117/1.JMI.13.1.014505},
  url = {https://doi.org/10.1117/1.JMI.13.1.014505},
  note = {The publisher article is currently open under CC BY 4.0. The assigned PubMed Central record is not yet publicly released and is therefore not linked as available full text.}
}

@inproceedings{Kobayashi2025CTSubtypes,
  author = {Kaitlyn S. Kobayashi and Dashti A. Ali and Ramtin Mojtahedi and Jacob J. Peoples and Mohammad Hamghalam and Natalie Gangai and Mithat Gönen and Richard K. G. Do and Yun Shin Chun and HyunSeon Christine Kang and Amber L. Simpson},
  title = {{The Search for CT Imaging Subtypes of Colorectal Liver Metastases and the Impacts of Slice Thickness}},
  year = {2025},
  booktitle = {Medical Imaging 2025: Computer-Aided Diagnosis},
  volume = {13407},
  pages = {356-362},
  publisher = {SPIE},
  doi = {10.1117/12.3048815},
  url = {https://doi.org/10.1117/12.3048815}
}

@inproceedings{Zhou2025PDACResponse,
  author = {John Zhou and Dashti Ali and Ramtin Mojtahedi and Ahmad Bashir Barekzai and Jayasree Chakraborty and Hala Khasawneh and Camila Vilela and Natally Horvat and João Miranda and Alice C. Wei and Amber L. Simpson},
  title = {{Predicting Response to Therapy in Pancreatic Ductal Adenocarcinoma Using Convolutional Neural Networks}},
  year = {2025},
  booktitle = {Medical Imaging 2025: Computer-Aided Diagnosis},
  volume = {13407},
  pages = {319-325},
  publisher = {SPIE},
  doi = {10.1117/12.3048961},
  url = {https://doi.org/10.1117/12.3048961}
}

@inproceedings{Piliposyan2025StackedClassifier,
  author = {Mane Piliposyan and Mohammad Hamghalam and Ramtin Mojtahedi and Jacob J. Peoples and Kaitlyn S. Kobayashi and E. Claire Bunker and Natalie Gangai and Yun Shin Chun and Richard K. G. Do and Christian Muise and Amber L. Simpson},
  title = {{Performance Evaluation of a Stacked Classifier for Predicting Treatment Response in Unresectable Colorectal Liver Metastases}},
  year = {2025},
  booktitle = {Medical Imaging 2025: Computer-Aided Diagnosis},
  volume = {13407},
  pages = {397-406},
  publisher = {SPIE},
  doi = {10.1117/12.3048943},
  url = {https://doi.org/10.1117/12.3048943}
}

@inproceedings{Mojtahedi2025PEFTFewShot,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and Jacob J. Peoples and William R. Jarnagin and Richard K. G. Do and Amber L. Simpson},
  title = {{Parameter-Efficient Fine-Tuning and Few-Shot Learning of Multiscale Vision Transformers for Liver Tumour Segmentation in CT}},
  year = {2025},
  booktitle = {Medical Imaging 2025: Computer-Aided Diagnosis},
  volume = {13407},
  pages = {801-810},
  publisher = {SPIE},
  doi = {10.1117/12.3046253},
  url = {https://doi.org/10.1117/12.3046253}
}

@inproceedings{Ali2025PersistentHomology,
  author = {Dashti A. Ali and Jacob J. Peoples and Ramtin Mojtahedi and Kaitlyn S. Kobayashi and William R. Jarnagin and Richard K. G. Do and Amber L. Simpson},
  title = {{Leveraging Persistent Homology for Liver Tumour Classification}},
  year = {2025},
  booktitle = {Medical Imaging 2025: Computer-Aided Diagnosis},
  volume = {13407},
  pages = {407-417},
  publisher = {SPIE},
  doi = {10.1117/12.3045640},
  url = {https://doi.org/10.1117/12.3045640}
}

@misc{Mojtahedi2024DilatedTransformer,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and William R. Jarnagin and Richard K. G. Do and Amber L. Simpson},
  title = {{Dilated Convolutional Transformer-Based Segmentation for Primary and Secondary Liver Cancers Tumour: A Comparative Study}},
  year = {2024},
  howpublished = {IMNO 2024 Conference},
  url = {https://ramtin-mojtahedi.github.io/publications/dilated-transformer-liver-cancers-2024/},
  note = {No DOI or archival proceedings record was located. Listed as a conference presentation, not as a verified peer-reviewed paper.}
}

@inproceedings{Mojtahedi2022BrainTumour,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and Amber L. Simpson},
  title = {{Multi-modal Brain Tumour Segmentation Using Transformer with Optimal Patch Size}},
  year = {2023},
  booktitle = {Brainlesion: Glioma, Multiple Sclerosis, Stroke and Traumatic Brain Injuries (BrainLes 2022)},
  volume = {13769},
  pages = {195-204},
  publisher = {Springer},
  doi = {10.1007/978-3-031-33842-7\_17},
  url = {https://doi.org/10.1007/978-3-031-33842-7\_17},
  note = {The linked repository is currently a bibliographic record; it should not be interpreted as a complete code release.}
}

@inproceedings{Mojtahedi2023SimSiam,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and William R. Jarnagin and Richard K. G. Do and Amber L. Simpson},
  title = {{Leveraging Contrastive Learning with SimSiam for the Classification of Primary and Secondary Liver Cancers}},
  year = {2023},
  booktitle = {Medical Image Computing and Computer Assisted Intervention – MICCAI 2023 Workshops},
  volume = {14394},
  pages = {311-321},
  publisher = {Springer},
  doi = {10.1007/978-3-031-47425-5\_28},
  url = {https://doi.org/10.1007/978-3-031-47425-5\_28},
  note = {Conference year is 2023; the Springer chapter was first published online in 2024.}
}

@inproceedings{Mojtahedi2022OptimalPatch,
  author = {Ramtin Mojtahedi and Mohammad Hamghalam and Richard K. G. Do and Amber L. Simpson},
  title = {{Towards Optimal Patch Size in Vision Transformers for Tumor Segmentation}},
  year = {2022},
  booktitle = {Multiscale Multimodal Medical Imaging},
  volume = {13594},
  pages = {110-120},
  publisher = {Springer},
  doi = {10.1007/978-3-031-18814-5\_11},
  url = {https://doi.org/10.1007/978-3-031-18814-5\_11}
}

@inproceedings{Saffari2017SmartPackage,
  author = {Ramtin Mojtahedi Saffari and Sattar Mirzakuchaki},
  title = {{An Innovative Smart Package for Liquid Flow Meters}},
  year = {2017},
  booktitle = {2017 Iranian Conference on Electrical Engineering (ICEE)},
  pages = {158-163},
  publisher = {IEEE},
  doi = {10.1109/IranianCEE.2017.7985342},
  url = {https://doi.org/10.1109/IranianCEE.2017.7985342}
}

@inproceedings{Saffari2016ImageEncryption,
  author = {Ramtin Mojtahedi Saffari and Sattar Mirzakuchaki},
  title = {{A Novel Image Encryption Algorithm Based on Discrete Wavelet Transform Using Two-Dimensional Logistic Map}},
  year = {2016},
  booktitle = {2016 24th Iranian Conference on Electrical Engineering (ICEE)},
  pages = {1785-1790},
  publisher = {IEEE},
  doi = {10.1109/IranianCEE.2016.7585810},
  url = {https://doi.org/10.1109/IranianCEE.2016.7585810}
}

@inproceedings{Saffari2016FPGATracking,
  author = {Ramtin Mojtahedi Saffari and Sattar Mirzakuchaki},
  title = {{A Novel FPGA Design of a High Dynamic Human Tracking System Using Particle Filter}},
  year = {2016},
  booktitle = {2016 24th Iranian Conference on Electrical Engineering (ICEE)},
  pages = {1043-1048},
  publisher = {IEEE},
  doi = {10.1109/IranianCEE.2016.7585675},
  url = {https://doi.org/10.1109/IranianCEE.2016.7585675}
}

@inproceedings{Ayat2015CarrierSynchronization,
  author = {Mehdi Ayat and Ramtin Mojtahedi Saffari and Sattar Mirzakuchaki},
  title = {{On Design of Carrier Synchronization System Using Bayesian Filtering Framework}},
  year = {2015},
  booktitle = {7th Iranian Conference on Electrical and Electronics Engineering},
  url = {https://ramtin-mojtahedi.github.io/publications/carrier-synchronization-bayesian-filtering-2015/},
  note = {No DOI, page range, or archival publisher landing page was verified. An author-uploaded copy exists elsewhere, but its redistribution rights were not assumed.}
}