Publications

  1. Concept Spaces in the Residual Stream of Diffusion Transformers

    Riyasat OhibMeera HahnMani Malek

    IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), HOW workshop, 2026.PDFHTML

  2. Learning to Query History: Nonstationary Classification via Learned Retrieval

    Jimmy GammellBishal ThapaliyaYoon JungRiyasat OhibBilel FehriDeepayan Chakrabarti

    International Conference on Learning Representations (ICLR), TSALM workshop, 2026.arXiv

  3. SSFL: Discovering Sparse Unified Subnetworks at Initialization for Efficient Federated Learning

    Riyasat OhibBishal ThapaliyaGintare Karolina DziugaiteJingyu LiuVince D. CalhounSergey Plis

    Transactions on Machine Learning Research (TMLR), 2026.HTMLCode

  4. Exploring Sparse Adapters for Scalable Merging of Parameter Efficient Experts

    Samin Yeasar ArnobZhan SuMinseon KimOleksiy OstapenkoRiyasat OhibEsra'a SalehDoina PrecupLucas CacciaAlessandro Sordoni

    Conference on Language Modeling (COLM), 2025.HTML

  5. Efficient Reinforcement Learning by Discovering Neural Pathways

    Samin Yeasar ArnobRiyasat OhibSergey M. PlisAmy ZhangAlessandro SordoniDoina Precup

    Conference on Neural Information Processing Systems (NeurIPS), 2024.PDFHTML

  6. Efficient Federated Learning for Distributed Neuroimaging Data

    Bishal ThapaliyaRiyasat OhibEloy GeenjaarJingyu LiuVince CalhounSergey M. Plis

    Frontiers in Neuroinformatics, 2024.HTMLDOI

  7. Uncovering the latent dynamics of whole-brain fMRI tasks with a sequential variational autoencoder

    Eloy GeenjaarDonghyun KimRiyasat OhibMarlena DudaAmrit KashyapSergey M PlisVince Calhoun

    Conference on Neural Information Processing Systems (NeurIPS), DeepGen workshop, 2023.HTML

  8. Decentralized Sparse Federated Learning for Efficient Training on Distributed Neuroimaging Data

    Bishal ThapaliyaRiyasat OhibEloy GeenjaarJingyu LiuVince CalhounSergey M. Plis

    Conference on Neural Information Processing Systems (NeurIPS), MedNeurIPS workshop, 2023.HTML

  9. SalientGrads: Sparse Models for Communication Efficient and Data Aware Distributed Federated Training

    Riyasat OhibBishal ThapaliyaPratyush GaggenapalliJingyu LiuVince CalhounSergey Plis

    International Conference on Learning Representations (ICLR), SNN workshop, 2023.arXiv

  10. Explicit Group Sparse Projection with Applications to Deep Learning and NMF

    Riyasat OhibNicolas GillisNiccolò DalmassoSameena ShahVamsi PotluruSergey Plis

    Transactions on Machine Learning Research (TMLR), 2022.HTMLCode

  11. Single-Shot Pruning for Offline Reinforcement Learning

    Samin YeasarRiyasat OhibSergey PlisDoina Precup

    Conference on Neural Information Processing Systems (NeurIPS), Off-RL workshop, 2021.arXiv

  12. Grouped Sparse Projection for Deep Learning

    Riyasat OhibNicolas GillisSameena ShahVamsi PotluruSergey Plis

    International Conference on Learning Representations (ICLR), HAET workshop, 2021.PDFHTML

  13. ENF Based Machine Learning Classification for Origin of Media Signals: Novel Features from Fourier Transform Profile

    Riyasat OhibSamin Yeasar ArnobMuhtady MuhaisinRiazul ArefinTaslim RezaM. R. Amin

    International Conference on Electrical, Electronics and Computer Science (ICEECS), 2018.

  14. Power file extraction process from bangladesh grid and exploring ENF based classification accuracy using machine learning

    Samin Yeasar ArnobRiyasat OhibMd Muhtady MuhaisinTanzil Bin Hassan

    2017 IEEE Region 10 Humanitarian Technology Conference (R10-HTC), 2017.HTML