Niraj Hirachan

11 papers Journal 5Unranked 6
YearRankTypeTitle / Venue / Authors
2026 J jnl
Pain intensity estimation via multimodal fusion: Leveraging ternary textures of derivatives in EDA and PPG signals.
Biomed. Signal Process. Control.
Muhammad Umar Khan, Niraj Hirachan, Calvin Joseph, Luke Murtagh, Girija Chetty, Roland Goecke, Raul Fernandez Rojas
2025 J jnl
A two-stage architecture for identifying and locating the source of pain using novel multi-domain binary patterns of EDA.
Biomed. Signal Process. Control.
Sumair Aziz, Calvin Joseph, Niraj Hirachan, Luke Murtagh, Girija Chetty, Roland Goecke, Raul Fernandez Rojas
2025 — conf
The AI4Pain Grand Challenge 2025: Advancing Pain Assessment with Multimodal Physiological Signals.
ICMI Companion
Raul Fernandez Rojas, Calvin Joseph, Niraj Hirachan, Ben Seymour, Roland Goecke
2024 — conf
Acute Pain Recognition from Facial Expression Videos using Vision Transformers.
EMBC
Ghazal Bargshady, Calvin Joseph, Niraj Hirachan, Roland Goecke, Raul Fernandez Rojas
2024 — conf
EEG-based Estimation of Cognitive Workload Across Multiple Tasks.
EMBC
Anita Susan Mathew, Niraj Hirachan, Calvin Joseph, Maryam Ghahramani, Jehu Lopez-Aparicio, Raul Fernandez Rojas
2024 J jnl
Multilevel Pain Assessment with Functional Near-Infrared Spectroscopy: Evaluating ΔHBO2 and ΔHHB Measures for Comprehensive Analysis.
Sensors
Muhammad Umar Khan, Maryam Sousani, Niraj Hirachan, Calvin Joseph, Maryam Ghahramani, Girija Chetty, Roland Goecke, Raul Fernandez Rojas
2024 — conf
The AI4Pain Grand Challenge 2024: Advancing Pain Assessment with Multimodal fNIRS and Facial Video Analysis.
ACII (Workshops and Demos)
Raul Fernandez Rojas, Calvin Joseph, Niraj Hirachan, Ben Seymour, Roland Goecke
2023 — conf
"Where does it hurt?": Exploring EDA Signals to Detect and Localise Acute Pain.
EMBC
Sumair Aziz, Muhammad Umar Khan, Niraj Hirachan, Girija Chetty, Roland Goecke, Raul Fernandez Rojas
2023 J jnl
Experimental Exploration of Multilevel Human Pain Assessment Using Blood Volume Pulse (BVP) Signals.
Sensors
Muhammad Umar Khan, Sumair Aziz, Niraj Hirachan, Calvin Joseph, Jasper Li, Raul Fernandez Rojas
2022 — conf
Measuring Cognitive Workload Using Multimodal Sensors.
EMBC
Niraj Hirachan, Anita Mathews, Julio Romero, Raul Fernandez Rojas
2022 J jnl
Measuring Cognitive Workload Using Multimodal Sensors.
CoRR
Niraj Hirachan, Anita Mathews, Julio Romero, Raul Fernandez Rojas