Ramtin Mojtahedi — Publications https://ramtin-mojtahedi.github.io/publications/ 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Spectral Adapters for Segment Anything Model-based Segmentation of Colorectal Liver Metastases in Computed Tomography https://ramtin-mojtahedi.github.io/publications/spectral-adapters-sam-crlm-2026/ 2026-09-10T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 arXiv:2609.11703 [cs.CV] (2026). Version 1, submitted 10 September 2026. Improving Preoperative Risk Stratification in Colorectal Liver Metastases: A Multi-Institutional Evaluation of Multimodal Prediction Models https://ramtin-mojtahedi.github.io/publications/multimodal-preoperative-risk-stratification-2026/ 2026-07-14T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Scientific Reports (2026). Published 14 July 2026. Radiomic Carotid Plaque Features Integrated into Machine Learning Models for Cardiovascular Risk Prediction https://ramtin-mojtahedi.github.io/publications/carotid-plaque-radiomics-risk-2026/ 2026-06-12T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Ultrasound in Medicine & Biology. Corrected proof online 12 June 2026. Parameter-Efficient Fine-Tuning of Foundation Models for Liver Tumor Segmentation in CT https://ramtin-mojtahedi.github.io/publications/foundation-models-liver-tumor-segmentation-2026/ 2026-04-08T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Imaging 2026: Computer-Aided Diagnosis, Proceedings of SPIE 13926, 1392612. Self-Supervised Transformer-Based Pipeline for Liver Tumor Segmentation and Type Classification https://ramtin-mojtahedi.github.io/publications/self-supervised-transformer-liver-tumor-2026/ 2026-01-30T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 JCO Clinical Cancer Informatics 10 (2026), e2500135. Radiomic Signatures from Baseline CT Predict Chemotherapy Response in Unresectable Colorectal Liver Metastases https://ramtin-mojtahedi.github.io/publications/radiomic-signatures-chemotherapy-response-2026/ 2026-01-01T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Journal of Medical Imaging 13(1) (2026), 014505. The Search for CT Imaging Subtypes of Colorectal Liver Metastases and the Impacts of Slice Thickness https://ramtin-mojtahedi.github.io/publications/ct-imaging-subtypes-slice-thickness-2025/ 2025-04-04T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Imaging 2025: Computer-Aided Diagnosis, Proceedings of SPIE 13407, 134071I. Predicting Response to Therapy in Pancreatic Ductal Adenocarcinoma Using Convolutional Neural Networks https://ramtin-mojtahedi.github.io/publications/pdac-treatment-response-cnn-2025/ 2025-04-04T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Imaging 2025: Computer-Aided Diagnosis, Proceedings of SPIE 13407, 134071C. Performance Evaluation of a Stacked Classifier for Predicting Treatment Response in Unresectable Colorectal Liver Metastases https://ramtin-mojtahedi.github.io/publications/stacked-classifier-treatment-response-2025/ 2025-04-04T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Imaging 2025: Computer-Aided Diagnosis, Proceedings of SPIE 13407, 134071P. Parameter-Efficient Fine-Tuning and Few-Shot Learning of Multiscale Vision Transformers for Liver Tumour Segmentation in CT https://ramtin-mojtahedi.github.io/publications/peft-few-shot-multiscale-vit-2025/ 2025-04-04T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Imaging 2025: Computer-Aided Diagnosis, Proceedings of SPIE 13407, 1340738. Leveraging Persistent Homology for Liver Tumour Classification https://ramtin-mojtahedi.github.io/publications/persistent-homology-liver-tumor-classification-2025/ 2025-04-04T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Imaging 2025: Computer-Aided Diagnosis, Proceedings of SPIE 13407, 134071Q. Dilated Convolutional Transformer-Based Segmentation for Primary and Secondary Liver Cancers Tumour: A Comparative Study https://ramtin-mojtahedi.github.io/publications/dilated-transformer-liver-cancers-2024/ 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 IMNO 2024 Conference, Mississauga, Canada (2024). Multi-modal Brain Tumour Segmentation Using Transformer with Optimal Patch Size https://ramtin-mojtahedi.github.io/publications/multimodal-brain-tumour-vit-patch-2022/ 2023-07-18T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Brainlesion: Glioma, Multiple Sclerosis, Stroke and Traumatic Brain Injuries, Lecture Notes in Computer Science 13769, 195–204 (2023). BrainLes 2022; first online 18 July 2023. Leveraging Contrastive Learning with SimSiam for the Classification of Primary and Secondary Liver Cancers https://ramtin-mojtahedi.github.io/publications/simsiam-liver-cancer-classification-2023/ 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Medical Image Computing and Computer Assisted Intervention – MICCAI 2023 Workshops, Lecture Notes in Computer Science 14394, 311–321 (2023). First online 3 February 2024. Towards Optimal Patch Size in Vision Transformers for Tumor Segmentation https://ramtin-mojtahedi.github.io/publications/optimal-vit-patch-size-tumor-segmentation-2022/ 2022-10-12T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 Multiscale Multimodal Medical Imaging, Lecture Notes in Computer Science 13594, 110–120 (2022). An Innovative Smart Package for Liquid Flow Meters https://ramtin-mojtahedi.github.io/publications/smart-package-liquid-flow-meters-2017/ 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 2017 Iranian Conference on Electrical Engineering (ICEE), 158–163. A Novel Image Encryption Algorithm Based on Discrete Wavelet Transform Using Two-Dimensional Logistic Map https://ramtin-mojtahedi.github.io/publications/dwt-logistic-map-image-encryption-2016/ 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 2016 24th Iranian Conference on Electrical Engineering (ICEE), 1785–1790. A Novel FPGA Design of a High Dynamic Human Tracking System Using Particle Filter https://ramtin-mojtahedi.github.io/publications/fpga-human-tracking-particle-filter-2016/ 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 2016 24th Iranian Conference on Electrical Engineering (ICEE), 1043–1048. On Design of Carrier Synchronization System Using Bayesian Filtering Framework https://ramtin-mojtahedi.github.io/publications/carrier-synchronization-bayesian-filtering-2015/ 2015-08-19T00:00:00Z 2026-09-13T00:00:00Z Ramtin Mojtahedihttps://orcid.org/0000-0002-3953-3256 7th Iranian Conference on Electrical and Electronics Engineering, Gonabad, Iran, 19–20 August 2015.