Publications

2026

1. 1. 1. Indrajeet Ghosh, Avijoy Chakma, Mohammad Saeid Anwar, Sreenivasan Ramasamy Ramamurthy and Nirmalya Roy. SkillNet: Human Actions Assessment via Human-AI Collaboration, ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM) Journal, 2026 [pdf]

2025

    Journal Publications:

1. 1. 1. Nirmalya Roy, Jade Freeman, Mark Dennison, Theron Trout and Timothy Gregory. Multiagent Federated Learning Interoperability, and Virtual-Physical Co-Simulation, Defense Systems Information Analysis Center (DSIAC) Journal, Vol. 9, No. 2, Sept 2025 [pdf]

      2. Shadman Sakib, Zahid Hasan, Nirmalya Roy. A State-Of-The-Art Survey of Remote Photoplethysmography for Contactless Health Parameters Sensing, WIREs Data Mining and Knowledge Discovery (DMKD), Wiley Interdisciplinary Reviews, 2025 [pdf]

      3. Gaurav Shinde, Anuradha Ravi, Emon Dey, Shadman Sakib, Milind Rampure, Nirmalya Roy. A Survey on Efficient Vision-Language Models, WIREs Data Mining and Knowledge Discovery (DMKD), Wiley Interdisciplinary Reviews, 2025 [pdf]

Conference, workshop, and other Publications:

1. 1. 1. Jumman Hossain and Nirmalya Roy. Learning Optimal Policies with Quasi-Potential Functions for Asymmetric Traversal, In Proceedings of the 42nd International Conference on Machine Learning (ICML’25), Vancouver, British Columbia, July 2025 [pdf]

      2. Snehalraj Chugh, Milind Rampure, Elijah Polyakov, Bipendra Basnyat, Nirmalya Roy. Demo: InvisibleFence: Non-Lethal Edge-Optimized AI for Coexistence and Crop Protection, In Proceedings of the 23rd ACM International Conference on Mobile Systems, Applications, and Services (MobiSys’25), Anaheim, CA, USA, June 23–27, 2025 [pdf]

      3. Shadman Sakib, Gaurav Shinde, Emon Dey, Nirmalya Roy. E2RespUNet: End-to-End Respiratory Signal Reconstruction and Rate Prediction Using a Unified Attention Enhanced U-Net, In Proceedings of the 2025 IEEE International Conference on Smart Computing (SMARTCOMP ’25), Cork, Ireland, June 2025 [pdf]

      4. Indrajeet Ghosh, Kasthuri Jayarajah, Nicholas Waytowich, Nirmalya Roy. Augmenting Personalized Memory via Practical Multimodal Wearable Sensing in Visual Search and Wayfinding Navigation, In Proceedings of the 33rd ACM Conference on User Modeling, Adaptation and Personalization (UMAP), New York, USA, June 2025 [pdf]

      5. Zahid Hasan, Masud Ahmed, Nirmalya Roy. Respiratory Rate and Heart Rate in Facial Videos through the Lens of Temporal Pixel Variation, In Proceedings of ACM/IEEE International Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE ’25), New York, USA, June 2025 [pdf]

      6. Zahid Hasan, Masud Ahmed, Shadman Sakib, Snehalraj Chugh, Md Azim Khan, Abu Zaher MD Faridee, Nirmalya Roy. RRPIPS: Respiratory Waveform Reconstruction using Persistent Independent Particles Tracking from Video, In Proceedings of ACM/IEEE International Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE ’25), New York, USA, June 2025 [pdf]

      7. Mohammad Saeid Anwar, Anuradha Ravi, Emon Dey, Gaurav Shinde, Indrajeet Ghosh, Jade Freeman, Carl Busart, Andre Harrison, Nirmalya Roy. CoOpTex: Multimodal Cooperative Perception and Task Execution in Time-critical Distributed Autonomous Systems, In Proceedings of 21st International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT), Tuscany, Italy, June 2025 [pdf]

      8. Anuradha Ravi, Eric Meza, Snehalraj Chugh, Andre Harrison, Jade Freeman, Nirmalya Roy. Poster Abstract: Terrain Navigability Assessment of Autonomous Ground Robots Using mmWave Radar, In Proceedings of the 23rd ACM Conference on Embedded Networked Sensor Systems (SenSys), Irvine, CA, USA, May 2025 [pdf]

      9. Jumman Hossain, Abu Zaher Faridee, Derrik Asher, Jade Freeman, Theron Trout, Timothy Gregory, Nirmalya Roy. QuasiNav: Asymmetric Cost-Aware Navigation Planning with Constrained Quasimetric Reinforcement Learning, In Proceedings of the IEEE International Conference on Robotics and Automation (ICRA), Atlanta, USA, May 2025 [pdf]

      10. Cahree Myrick, Indrajeet Ghosh, Kasthuri Jayarajah, Nirmalya Roy. CALM: Multimodal Cognitive Load Assessment Framework via Engineered and Explainable Features, in Proceedings of 5th IEEE International Workshop on Human-Centered Computational Sensing, co-located with the 23rd IEEE International Conference on Pervasive Computing and Communications(PerCom), Washington DC, USA, March 2025 [pdf]

      11. Gaurav Shinde, Anuradha Ravi, Emon Dey, Jared Lewis, Nirmalya Roy. TAVIC-DAS: Task and Channel-Aware Variable-Rate Image Compression for Distributed Autonomous System, In Proceedings of the 4th IEEE Workshop on Pervasive and Resource-constrained Artificial Intelligence (PeRConAI), co-located with the 23rd IEEE International Conference on Pervasive Computing and Communications(PerCom), Washington DC, USA, March 2025 [pdf] [Slides]

      12. Emon Dey, Anuradha Ravi, Jared Lewis, Vinay Kumar, Jade Freeman, Timothy Gregory, Niranjan Suri, Carl Busart, Nirmalya Roy. DACC-Comm: DNN-Powered Adaptive Compression and Flow Control for Robust Communication in Network-Constrained Environment, In Proceedings of the 17th International Conference on COMmunication Systems & NETworkS (COMSNETS), Bengaluru, India, Jan 2025 [pdf]

2024

1. 1. 1. Indrajeet Ghosh, Kasthuri Jayarajah, Nicholas Waytowich, Nirmalya Roy. EEGAmp+: Investigating the Efficacy of Functional Connectivity for Detecting Events in Low-Resolution EEG, In Proceedings of the 21st EAI International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous), Oslo, Norway, Nov 2024 [pdf] [Bibtex]

      2. Indrajeet Ghosh, Garvit Chugh, Abu Zaher Md Faridee, Nirmalya Roy. Unsupervised Domain Adaptation for Action Recognition via Self-Ensembling and Conditional Embedding Alignment, In Proceedings of the 24th IEEE International Conference on Data Mining (ICDM), Abu Dhabi, UAE, Dec 2024 [19.5% acceptance rate out of 604 submissions] [pdf] [Bibtex]

      3. Indrajeet Ghosh, Garvit Chugh, Kasthuri Jayarajah, Nirmalya Roy. β-Decode: Attention-based Decoding Temporal Artifacts via Unsupervised β-Variational Autoencoder, In Proceedings of the ACM 8th Joint International Conference on Data Science & Management of Data (12th ACM IKDD CODS and 30th COMAD), IIT Jodhpur, India, Dec 2024 [pdf] [Bibtex]

      4. Zahid Hasan, Masud Ahmed, Abu Zaher Md Faridee, Sanjay Purushotham, Hyungtae Lee, Heesung Kwon, and Nirmalya Roy. VIVAR: Learning View-Invariant Embedding for Video Action Recognition, In Proceedings of the SPIE 8th International Conference on Video and Image Processing (ICVIP), Kuala Lumpur, Malaysia, Dec 2024 [pdf] [Bibtex]

      5. Jumman Hossain, Abu Zaher Faridee, Nirmalya Roy, Jade Freeman, Timothy Gregory and Theron T. Trout. TopoNav: Topological Navigation for Efficient Exploration in Sparse Reward Environments, In Proceedings of the 2024 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Abu Dhabi, Oct 2024 [pdf] [Bibtex]

      6. Jumman Hossain, Abu Zaher Faridee, Nirmalya Roy, Derrik E. Asher, Jade Freeman, Timothy Gregory and Theron T. Trout. EnCoMP: Enhanced Covert Maneuver Planning with Adaptive Target-Aware Visibility Estimation using Offline Reinforcement Learning, In Proceedings of the IEEE International Conference on Autonomic Computing and Self-Organizing Systems (ACSOS), Aarhus, Denmark, Sept 2024 [pdf] [Bibtex]

      7. Avijoy Chakma, Anirban Das, Abu Zaher Md Faridee, Suchetana Chakraborty, Sandip Chakraborty, Nirmalya Roy. AcouDL: Context-Aware Daily Activity Recognition from Natural Acoustic Signals, in Proceedings of the 8th IEEE International Workshop on Smart Service Systems (SmartSys), co-located with IEEE SMARTCOMP 2024, Osaka, Japan, June 2024 [pdf] [Bibtex]

      8. Francesca Righetti, Carlo Vallati, Nirmalya Roy and Giuseppe Anastasi. Is Edge Computing Always Suitable for Image Analysis? An Experimental Analysis, In Proceedings of the IEEE 25th International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM) workshop, Perth, Australia, June 2024 [pdf] [Bibtex]

      9. Masud Ahmed, Zahid Hasan, Abu Zaher Md Faridee, Mohammad Saeid Anwar, Kasthuri Jayarajah, Sanjay Purushotham, Suya You and Nirmalya Roy. ARSFineTune: On-the-Fly Tuning of Vision Models for Unmanned Ground Vehicles, in Proceedings of the 20th Annual International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT 2024), Abu Dhabi, UAE, April 2024 [pdf] [Bibtex]

2023

1. 1. 1. Zahid Hasan, Masud Hasan, Abu Zaher Md Faridee, Sanjay Purushotham, Heesung Kwon, Hyungtae Lee, Nirmalya Roy. NEV-NCD: Negative Learning, Entropy, and Variance regularization based novel action categories discovery, In Proceedings of the 2023 IEEE International Conference on Image Processing (ICIP), Kuala Lumpur, Malaysia, Oct 2023 [pdf] [Bibtex]

      2. Jumman Hossain, Abu-Zaher Faridee, Nirmalya Roy, Anjan Basak and Derrik E. Asher. CoverNav: Cover Following Navigation Planning in Unstructured Outdoor Environment with Deep Reinforcement Learning, In Proceedings of the IEEE International Conference on Autonomic Computing and Self-Organizing Systems (ACSOS), Toronto, Canada, Sept 2023 [pdf] [Bibtex]

      3. Mohammad Saeid Anwar, Emon Dey, Maloy Kumar Devnath, Indrajeet Ghosh, Naima Khan, Jade Freeman, Timothy Gregory, Niranjan Suri, Kasthuri Jayaraja, Sreenivasan Ramasamy Ramamurthy, and Nirmalya Roy. HeteroEdge: Addressing Asymmetry in Heterogeneous Collaborative Autonomous Systems.  In Proceedings of the 20th IEEE International Conference on Mobile Ad-Hoc and Smart Systems (MASS 2023), Toronto, Canada, Sept 2023 [pdf] [bibtex]

      4. Emon Dey, Mikolaj Walczak, Mohammad Saeid Anwar, Nirmalya Roy, Jade Freeman, Timothy Gregory, Niranjan Suri and Carl Busart. A Novel ROS2 QoS Policy-enabled Synchronizing Middleware for Co-simulation of Heterogeneous Multi-Robot Systems, in Proceedings of the 32nd IEEE International Conference on Computer Communications and Networks (ICCCN), Honolulu, HI, USA, July 2023 [pdf] [Bibtex]

      5. Zahid Hasan, Abu Zaher Md Faridee, Masud Ahmed, Sanjay Purushotham, Heesung Kwon, Hyungtae Lee and Nirmalya Roy. Novel Categories Discovery from probability matrix perspective, in arXiv preprint, July 2023 [pdf] [Bibtex]

      6. Naima Khan, Md Abdullah Al Hafiz Khan and Nirmalya Roy. Unsupervised spatio-temporal anomalous thermal behavior monitoring of inside-built environments, in Proceedings of the 19th Annual International Conference on Distributed Computing in Smart Systems and the Internet of Things (DCOSS-IoT 2023)  Coral Bay, Pafos, Cyprus, June 2023 Best Paper Award [pdf] [Bibtex]

      7. Maloy Kumar Devnath, Avijoy Chakma, Mohammad Saeid Anwar, Emon Dey, Zahid Hasan, Marc Conn, Biplab Pal, and Nirmalya Roy. A Systematic Study on Object Recognition Using Millimeter-wave Radar, in Proceedings of the 9th IEEE International Conference on Smart Computing (SmartComp), Nashville, Tennessee, USA, June 2023 [pdf] [Bibtex]

      8. Zahid Hasan, Abu Zaher Md Faridee, Masud Ahmed and Nirmalya Roy. SrPPG: Semi-Supervised Adversarial Learning for Remote Photoplethysmography with Noisy Data, in Proceedings of the 9th IEEE International Conference on Smart Computing (SmartComp), Nashville, Tennessee, USA, June 2023 Best Paper Award [pdf] [Bibtex]

      9. Masud Ahmed, Zahid Hasan, Tim Yingling, Eric O’Leary, Sanjay Purushotham, Suya You and Nirmalya Roy. An Online Continuous Semantic Segmentation Framework with Minimal Labeling Efforts, in Proceedings of the 9th IEEE International Conference on Smart Computing (SmartComp), Nashville, Tennessee, USA, June 2023 [pdf] [Bibtex]

      10. Indrajeet Ghosh, Adam Goldstein, Avijoy Chakma, Jade Freeman, Timothy Gregory, Niranjan Suri, Sreenivasan Ramasamy Ramamurthy, and Nirmalya Roy. HeteroSys: Heterogeneous and Collaborative Sensing in the Wild, in Proceedings of 9th IEEE International Workshop on Sensors and Smart Cities, co-located with the 9th IEEE International Conference on Smart Computing (SmartComp), Nashville, Tennessee, USA, June 2023 [pdf] [Bibtex]

      11. Avijoy Chakma, Abu Zaher Md Faridee, Indrajeet Ghosh and Nirmalya Roy. Domain Adaptation for Inertial Measurement Unit-based Human Activity Recognition: A Survey in arXiv preprint, April 2023 [pdf]

      12. Zahid Hasan, Masud Hasan, Abu Zaher Md Faridee, Sanjay Purushotham, Heesung Kwon, Hyungtae Lee and Nirmalya Roy. NEV-NCD: Negative Learning, Entropy, and Variance regularization based novel action categories discovery, in arXiv preprint, April 2023 [pdf]

2022

1. 1. Avi Spector, Wanying Zhu, Jumman Hossain and Nirmalya Roy, Simulated Forest Environment and Robot Control Framework for Integration with Cover Detection Algorithms, in Proceedings of Symposium for Undergraduate Research in Data Science, Systems, and Security (REU Symposium 2022) co-located with 9th IEEE/ACM International Conference on Big Data Computing, Applications and Technologies (BDCAT’22), Vancouver, Washington, USA December 2022 [pdf]

   2. Indrajeet Ghosh, Avijoy Chakma, Sreenivasan Ramasamy Ramamurthy, Nicholas Waytowich and Nirmalya Roy. PerMTL: A Multi-Task Learning Framework for Skilled Human Performance Assessment, in Proceedings of the 21st IEEE International Conference on Machine Learning and Applications (IEEE ICMLA’22), Bahamas, Caribbean, December 2022 [pdf]

   3. Zahid Hasan, Abu Zaher Md Faridee, Masud Ahmed and Nirmalya Roy. Self-rPPG: Learning the Optical and Physiological Mechanics of Remote Photoplethysmography with Self -Supervision, in Proceedings of the IEEE/ACM International Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE), Washington D.C., Nov 2022 [pdf]

   4. Francesca Righetti, Carlo Vallati, Andrea Tubak, Nirmalya Roy, Bipendra Basnyat, Giuseppe Anastasi. Assessing the Feasibility of Exploiting Edge Computing for Real-Time Monitoring of Flash Floods, in Proceedings of the 8th IEEE International Workshop on Sensor and Smart Cities (SSC) co-located with IEEE SMARTCOMP 2022, Espoo, Finland, June 2022 [pdf]

   5. Indrajeet Ghosh; Matthew Ivler; Sreenivasan Ramasamy Ramamurthy; Nirmalya Roy. SpecTextor: End-to-End Attention-based Mechanism for Dense Text Generation in Sports Journalism, in Proceedings of the 7th IEEE International Workshop on Smart Service Systems (SmartSys), co-located with IEEE SMARTCOMP 2022, Espoo, Finland, June 2022 [pdf]

   6. Masud Ahmed, Naima Khan, Pretom Roy Ovi, Nirmalya Roy, Aryya Gangopadhyay, Sanjay Purushotham, and Suya You. GADAN: Generative Adversarial Domain Adaptation Network for Debris Detection Using Drone, IEEE 4th International Workshop on Wireless Sensors and Drones in Internet of Things (Wi-DroIT’22) co-located with IEEE DCOSS 2022, Marina Del Rey, LA, California, US June 2022 [pdf]

   7. Emon Dey, Jumman Hossain, Nirmalya Roy, Carl Busart. SynchroSim: An Integrated Co-Simulation Middleware for Heterogeneous Multi-Robot System, in Proceedings of 6th IEEE International Workshop on Wireless Communications and Networking in Extreme Environments (WCNEE’22) co-located with IEEE DCOSS 2022, Marina Del Rey, LA, California, USA, June 2022 [pdf]

   8. Zahid Hasan, Emon Dey, Sreenivasan Ramasamy Ramamurthy, Nirmalya Roy, Archan Misra. RhythmEdge: Enabling Contactless Heart Rate Estimation on the Edge, in Proceedings of the 8th IEEE International Conference on Smart Computing (SmartComp), Espoo, Finland, June 2022 Best Paper Award [pdf]

   9. Abu Zaher Md Faridee, Avijoy Chakma, Zahid Hasan, Nirmalya Roy, Archan Misra. CoDEm: Conditional Domain Embeddings for Scalable Human Activity Recognition, in Proceedings of the 8th IEEE International Conference on Smart Computing (SmartComp), Espoo, Finland, June 2022 [pdf]

   10. Md Abdullah Al Hafiz Khan and Nirmalya Roy. Cross-Domain Unseen Activity Recognition Using Transfer Learning, in Proceedings of IEEE Computers, Software, and Applications Conference (COMPSAC), June 2022 [pdf]

   11. Avijoy Chakma, Abu Zaher Md Faridee, Nirmalya Roy and Raghuveer Rao. Semi-supervised Multi-source Domain Adaptation in Wearable Activity Recognition, in Proceedings of 18th International Conference on Distributed Computing in Sensor Systems (DCOSS), Marina Del Rey, LA, California, June 2022 [pdf]

   12. Bipendra Basnyat, Nirmalya Roy, Aryya Gangopadhyay, Adrienne Raglin. Environmental Sound Classification for Flood Event Detection, in Proceedings of IEEE International Conference on Intelligent Environments (IE), June 2022  [pdf]

   13. Masud Ahmed, Zahid Hasan, Naima Khan, Nirmalya Roy, Aryya Gangopadhyay, Sanjay Purushotham, Suya You. Benchmarking domain adaptation for semantic segmentation, In Proceedings of SPIE Defense + Commercial Sensing, April 2022 [pdf]

   14. Pretom Roy Ovi, Emon Dey, Nirmalya Roy, Aryya Gangopadhyay, Robert Erbacher. Towards developing data security aware Federated Training framework in the multi-modal battlefield environment, In Proceedings of SPIE Defense + Commercial Sensing, April 2022 Best Student Paper Award [pdf]

   15. Sreenivasan Ramasamy Ramamurthy, Soumyajit Chatterjee, Elizabeth Galik, Aryya Gangopadhyay, Sandip Chakraborty, Bivas Mitra, Nirmalya Roy. CogAx: Early Assessment of Cognitive and Functional Impairment from Accelerometry, in Proceedings of the 20th IEEE International Conference on Pervasive Computing and Communications (PerCom), Pisa, Italy, March 2022  [Paper][Teaser][Talk]