Search Results for author: Felipe Gutierrez-Barragan

Found 4 papers, 0 papers with code

Compressive Single-Photon 3D Cameras

no code implementations CVPR 2022 Felipe Gutierrez-Barragan, Atul Ingle, Trevor Seets, Mohit Gupta, Andreas Velten

CSPHs are a per-pixel compressive representation of the high-resolution histogram, that is built on-the-fly, as each photon is detected.

iToF2dToF: A Robust and Flexible Representation for Data-Driven Time-of-Flight Imaging

no code implementations12 Mar 2021 Felipe Gutierrez-Barragan, Huaijin Chen, Mohit Gupta, Andreas Velten, Jinwei Gu

Recently, data-driven methods that jointly denoise and mitigate MPI have become state-of-the-art without using the intermediate transient representation.

Denoising

Practical Coding Function Design for Time-Of-Flight Imaging

no code implementations CVPR 2019 Felipe Gutierrez-Barragan, Syed Azer Reza, Andreas Velten, Mohit Gupta

We present a constrained optimization approach for designing practical coding functions that adhere to hardware constraints.

Accelerating Permutation Testing in Voxel-wise Analysis through Subspace Tracking: A new plugin for SnPM

no code implementations4 Mar 2017 Felipe Gutierrez-Barragan, Vamsi K. Ithapu, Chris Hinrichs, Camille Maumet, Sterling C. Johnson, Thomas E. Nichols, Vikas Singh, the ADNI

We find that RapidPT achieves its best runtime performance on medium sized datasets ($50 \leq n \leq 200$), with speedups of 1. 5x - 38x (vs. SnPM13) and 20x-1000x (vs. NaivePT).

Low-Rank Matrix Completion

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