Search Results for author: Gregory Ongie

Found 4 papers, 2 papers with code

Deep Equilibrium Architectures for Inverse Problems in Imaging

1 code implementation16 Feb 2021 Davis Gilton, Gregory Ongie, Rebecca Willett

Recent efforts on solving inverse problems in imaging via deep neural networks use architectures inspired by a fixed number of iterations of an optimization method.

Deep Learning Techniques for Inverse Problems in Imaging

no code implementations12 May 2020 Gregory Ongie, Ajil Jalal, Christopher A. Metzler, Richard G. Baraniuk, Alexandros G. Dimakis, Rebecca Willett

Recent work in machine learning shows that deep neural networks can be used to solve a wide variety of inverse problems arising in computational imaging.

Model Adaptation for Inverse Problems in Imaging

no code implementations30 Nov 2020 Davis Gilton, Gregory Ongie, Rebecca Willett

Deep neural networks have been applied successfully to a wide variety of inverse problems arising in computational imaging.

Deblurring Image Reconstruction +1

Enhancing signal detectability in learning-based CT reconstruction with a model observer inspired loss function

1 code implementation15 Feb 2024 Megan Lantz, Emil Y. Sidky, Ingrid S. Reiser, Xiaochuan Pan, Gregory Ongie

Deep neural networks used for reconstructing sparse-view CT data are typically trained by minimizing a pixel-wise mean-squared error or similar loss function over a set of training images.

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