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Javad Rajabi
I am a CS PhD Student at University of Toronto (UofT), and a Faculty Affiliate Researcher at Vector Institute, supervised by Babak Taati. Currently, I am a research intern at Samsung AI Center Toronto.
Currently, my research focuses on inference-time scaling–guided generation for diffusion and flow-matching models, using targeted search, sampling, and guidance signals to steer generations toward higher quality or specific attributes. I am exploring novel guidance and steering signals (e.g., intrinsic confidence, perturbation-based methods, reward models, textual feedback, etc.) that can be used to score partial states or full trajectories.
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Research Interest
My research interests lie in generative modeling (flows and diffusion) for image/video/3D/4D generation and their potential to understand and construct sophisticated environments. I also have a deep interest in mathematics, optimization, and dynamic systems, particularly in their applications to generative models and machine learning.
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Selected Publications
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Token Perturbation Guidance for Diffusion Models
Javad Rajabi, Soroush Mehraban, Seyedmorteza Sadat, Babak Taati
NeurIPS 2025
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TCARE-PD: A Multi-Site Anonymized Clinical Dataset for Parkinson's Disease Gait Assessment
Vida Adeli, Ivan Klabucar, Javad Rajabi, Benjamin Filtjens, Soroush Mehraban et al.
NeurIPS 2025
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STARS: Self-supervised Tuning for 3D Action Recognition in Skeleton Sequences
Soroush Mehraban, Javad Rajabi, Andrea Iaboni, Babak Taati
WACV 2026
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Teaching Assistant
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CSC420: Introduction to Image Understanding - Fall 2025
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CSC420: Introduction to Image Understanding - Winter 2025
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CSC263: Data Structures and Analysis - Winter 2025
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