Varun Ojha

About

Dr Varun Ojha is a Senior Lecturer in Artificial Intelligence at the School of Computing at Newcastle University. He is the Artificial Intelligence Theme Leader and Co-I on the EPSRC-funded National Edge AI Hub. His research focuses on deep learning, machine learning, and data science, with applications to engineering and scientific problems such as climate, medical, biology, and sensors and signal processing. He has published over 85 articles in top-tier journals and conferences.

Education

• PhD Computer Science, Technical University of Ostrava

Selected publications

• Relation-aware multimodal data hashing for scalable recommendation systems
• Enhancing Sampling Performance in XGBoost by Ensemble Feature Engineering
• Dreamer XL: Towards High-Resolution Text-to-3D Generation via Trajectory Score Matching
• Common and Unique Representations for Multi-focus Image Fusion: A Feature Decomposition Paradigm with Text-Driven Enhancement
• 3D modeling and automated measurement of concrete cracks via segment anything refinement and visual inertial LiDAR fusion
• Modular Neural Network for Edge-based Detection of Early-stage IoT Botnet
• Euclidean and Poincaré space ensemble Xgboost
• D2Fusion: Dual-domain fusion with feature superposition for Deepfake detection
• Analysis of deep learning under adversarial attacks in Hierarchical Federated Learning
• Wearable-based Behaviour Interpolation for Semi-supervised Human Activity Recognition