David Parra

I am a PhD student at the University of Wisconsin–Madison, specializing in Computational Imaging and Computer Vision. I am advised by Andreas Velten and Mohit Gupta in the Computational Optics Group.

Previously, I earned a bachelor's degree in Computer Science and Mathematics from the University of Arizona, where I worked with Ali Bilgin as an undergraduate research assistant.

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Research

My research focuses on advancing 3D imaging through next-generation sensor technologies and machine learning. Currently, I am developing algorithms to improve time-of-flight 3D imaging using single-photon avalanche diode (SPAD) cameras, aiming to make depth sensing more accurate and practical. I also have experience in developing supervised vision transformer models for the reconstruction of X-rays.

We propose a framework that jointly optimizes the illumination waveform and coding functions that adhere to hardware constraints for compressive single-photon 3D cameras.

Developed and trained supervised transformer vision models for the reconstruction of sinogram scans to reduce acquisition time.