Ishita Ranjan
Computer science
Hometown: Chandler, Arizona, United States
Graduation date: Spring 2026
Additional details: Honors student
FURI | Fall 2025
Event-based Video Reconstruction & Restoration with Diffusion Models
Traditional frame-based cameras often struggle to capture movements in dynamic or low-light environments, resulting in motion blur or darkened frames. Event-based cameras asynchronously detect pixel-level brightness changes, enabling high temporal resolution and dynamic range. However, they generate sparse and unconventional data streams that do not readily translate into clear, coherent videos. This project investigates how diffusion models, a class of models known for synthesizing realistic images, can reconstruct photorealistic videos from sparse event streams. This approach would result in robust, high-fidelity video reconstruction that can be applied to use cases in autonomous navigation, surveillance, and high-speed imaging.
Mentor: Bharatesh Chakravarthi
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