Search Results for author: Bongjin Koo

Found 7 papers, 2 papers with code

CryoChains: Heterogeneous Reconstruction of Molecular Assembly of Semi-flexible Chains from Cryo-EM Images

no code implementations12 Jun 2023 Bongjin Koo, Julien Martel, Ariana Peck, Axel Levy, Frédéric Poitevin, Nina Miolane

Cryogenic electron microscopy (cryo-EM) has transformed structural biology by allowing to reconstruct 3D biomolecular structures up to near-atomic resolution.

3D Reconstruction Cryogenic Electron Microscopy (cryo-EM)

3D Shape Variational Autoencoder Latent Disentanglement via Mini-Batch Feature Swapping for Bodies and Faces

1 code implementation CVPR 2022 Simone Foti, Bongjin Koo, Danail Stoyanov, Matthew J. Clarkson

Learning a disentangled, interpretable, and structured latent representation in 3D generative models of faces and bodies is still an open problem.

Disentanglement

Intraoperative Liver Surface Completion with Graph Convolutional VAE

no code implementations8 Sep 2020 Simone Foti, Bongjin Koo, Thomas Dowrick, Joao Ramalhinho, Moustafa Allam, Brian Davidson, Danail Stoyanov, Matthew J. Clarkson

In this work we propose a method based on geometric deep learning to predict the complete surface of the liver, given a partial point cloud of the organ obtained during the surgical laparoscopic procedure.

Data Augmentation

More unlabelled data or label more data? A study on semi-supervised laparoscopic image segmentation

no code implementations20 Aug 2019 Yunguan Fu, Maria R. Robu, Bongjin Koo, Crispin Schneider, Stijn van Laarhoven, Danail Stoyanov, Brian Davidson, Matthew J. Clarkson, Yipeng Hu

Improving a semi-supervised image segmentation task has the option of adding more unlabelled images, labelling the unlabelled images or combining both, as neither image acquisition nor expert labelling can be considered trivial in most clinical applications.

Image Segmentation Segmentation +1

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