Author

Nirhoshan Sivaroopan

Observed name: Sivaroopan, Nirhoshan

Institution: The University of Sydney

Observed institutions: The University of Sydney, University of Moratuwa

ORCID: 0009-0006-3352-3774

Observed ORCID: 0009-0006-3352-3774

OpenAlex ID: A5092762626

NetDiffus: Network traffic generation by diffusion models through time-series imaging

2024 · Nirhoshan Sivaroopan, Dumindu Bandara, et al. · Computer Networks · 75

SyNIG: Synthetic Network Traffic Generation through Time Series Imaging

2023 · Nirhoshan Sivaroopan, Chamara Madarasingha, et al. · Conference on Local Computer Networks · 13

RAG-HAR: Retrieval Augmented Generation-based Human Activity Recognition

2026 · Nirhoshan Sivaroopan, Hansi Karunarathna, et al. · IEEE International Conference on Pervasive Computing and Communications · 11

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A Comprehensive Survey on Synthetic Network Traffic Generation

2026 · Nirhoshan Sivaroopan, Kaushitha Silva, et al. · IEEE Communications Surveys & Tutorials · 8

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NetDiffus: Network Traffic Generation by Diffusion Models through Time-Series Imaging

2023 · Sivaroopan, Nirhoshan, Bandara, Dumindu, et al. · arXiv (Cornell University) · 8

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Prompt-Induced Over-Generation as Denial-of-Service: A Black-Box Attack-Side Benchmark

2025 · Manu, Guo, Yi, et al. · arXiv (Cornell University) · 3

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RAG-HAR+: Towards Cost-Efficient LLM-Based Human Activity Recognition for Edge Deployment

2026 · Karunarathna, Hansi, Sivaroopan, Nirhoshan, et al. · arXiv (Cornell University) · 2

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Contrastive Deep Encoding Enables Uncertainty-aware Machine-learning-assisted Histopathology

2024 · Nirhoshan Sivaroopan, Hasindri Watawana, et al. · Optics in the Life Sciences · 2

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STELLA: Efficient Sensor-to-LLM Translation for On-Device Human Activity Recognition

2026 · Sivaroopan, Nirhoshan, Zomaya, Albert, et al. · arXiv (Cornell University) · 1

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SHIELD: An Auto-Healing Agentic Defense Framework for LLM Resource Exhaustion Attacks

2026 · Sivaroopan, Nirhoshan, Thilakarathna, Kanchana, et al. · arXiv (Cornell University) · 1

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Netdiffus: Network Traffic Generation by Diffusion Models Through Time-Series Imaging

2024 · Nirhoshan Sivaroopan, Dumindu Bandara, et al. · SSRN Electronic Journal · 1

Artifact: RAG-HAR: Retrieval Augmented Generation-based Human Activity Recognition

2026 · Nirhoshan Sivaroopan, Hansi Karunarathna, et al. · IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)

Large Language Models Meet Wearable Sensing: A Demo of Training-Free HAR with RAG-HAR

2026 · Hansi Karunarathna, Nirhoshan Sivaroopan, et al. · IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops)

Uncertainty Awareness Enables Efficient Labeling for Cancer Subtyping in Digital Pathology

2025 · Nirhoshan Sivaroopan, Chamuditha Jayanga Galappaththige, et al. · IEEE Winter Conference on Applications of Computer Vision

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Contrastive Deep Encoding Enables Uncertainty-aware Machine-learning-assisted Histopathology

2023 · Dushan Wadduwage, Nirhoshan Sivaroopan, et al. · Research Square

Works count: 15

Citation count: 125

H-index: 5

I10-index: 3