Vigil Varghese

Nanyang Technological University, The University of Sydney

Papers

Total Citations

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About

Vigil Varghese’s research lies at the intersection of computational imaging, machine vision, and autonomous robotics, with a focus on overcoming visual challenges posed by complex environments. His major contributions include pioneering an 8-stage time delay integration CMOS image sensor with on-chip polarization pixels, a breakthrough that enables robots to see through specular reflections from smooth, transparent surfaces like glass—a critical advancement for scene mapping and object classification. This work has garnered 5 citations and addresses a fundamental limitation in robotic perception. Varghese further advanced the field with his work on light field image restoration for vision in scattering media, achieving 4 citations. This research tackles the formidable task of recovering contrast-limited, SNR-limited, and color-attenuated images in dynamic, unknown scattering environments such as fog or murky water, essential for autonomous agent functionality. By developing methods that operate without prior knowledge of medium parameters, Varghese has empowered robots to navigate and perceive reliably in transient, adverse conditions. His notable achievements include integrating on-chip polarization into time delay integration sensors, a novel approach that enhances machine vision robustness. Varghese’s work is pivotal for students and researchers aiming to push the boundaries of robotic perception in real-world, visually degraded scenarios.