Search Results for author: Sean I. Young

Found 12 papers, 2 papers with code

Shape-aware Segmentation of the Placenta in BOLD Fetal MRI Time Series

1 code implementation8 Dec 2023 S. Mazdak Abulnaga, Neel Dey, Sean I. Young, Eileen Pan, Katherine I. Hobgood, Clinton J. Wang, P. Ellen Grant, Esra Abaci Turk, Polina Golland

In this work, we propose a machine learning segmentation framework for placental BOLD MRI and apply it to segmenting each volume in a time series.

Placenta Segmentation Segmentation +1

Fully Convolutional Slice-to-Volume Reconstruction for Single-Stack MRI

no code implementations5 Dec 2023 Sean I. Young, Yaël Balbastre, Bruce Fischl, Polina Golland, Juan Eugenio Iglesias

Here, we propose a SVR method that overcomes the shortcomings of previous work and produces state-of-the-art reconstructions in the presence of extreme inter-slice motion.

3D Reconstruction Depth Estimation +1

A Framework for Interpretability in Machine Learning for Medical Imaging

no code implementations2 Oct 2023 Alan Q. Wang, Batuhan K. Karaman, Heejong Kim, Jacob Rosenthal, Rachit Saluja, Sean I. Young, Mert R. Sabuncu

To answer these questions, we identify a need to formalize the goals and elements of interpretability in MLMI.

SUD$^2$: Supervision by Denoising Diffusion Models for Image Reconstruction

no code implementations16 Mar 2023 Matthew A. Chan, Sean I. Young, Christopher A. Metzler

Many imaging inverse problems$\unicode{x2014}$such as image-dependent in-painting and dehazing$\unicode{x2014}$are challenging because their forward models are unknown or depend on unknown latent parameters.

Image Denoising Image Reconstruction

Automatic Segmentation of the Placenta in BOLD MRI Time Series

1 code implementation4 Aug 2022 S. Mazdak Abulnaga, Sean I. Young, Katherine Hobgood, Eileen Pan, Clinton J. Wang, P. Ellen Grant, Esra Abaci Turk, Polina Golland

In this work, we propose a machine learning model based on a U-Net neural network architecture to automatically segment the placenta in BOLD MRI and apply it to segmenting each volume in a time series.

Placenta Segmentation Time Series +1

SuperWarp: Supervised Learning and Warping on U-Net for Invariant Subvoxel-Precise Registration

no code implementations15 May 2022 Sean I. Young, Yaël Balbastre, Adrian V. Dalca, William M. Wells, Juan Eugenio Iglesias, Bruce Fischl

In recent years, learning-based image registration methods have gradually moved away from direct supervision with target warps to instead use self-supervision, with excellent results in several registration benchmarks.

Image Registration

Supervision by Denoising for Medical Image Segmentation

no code implementations7 Feb 2022 Sean I. Young, Adrian V. Dalca, Enzo Ferrante, Polina Golland, Christopher A. Metzler, Bruce Fischl, Juan Eugenio Iglesias

SUD unifies stochastic averaging and spatial denoising techniques under a spatio-temporal denoising framework and alternates denoising and model weight update steps in an optimization framework for semi-supervision.

Denoising Image Reconstruction +3

Solving Vision Problems via Filtering

no code implementations ICCV 2019 Sean I. Young, Aous T. Naman, Bernd Girod, David Taubman

We propose a new, filtering approach for solving a large number of regularized inverse problems commonly found in computer vision.

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