Screening cell–cell communication in spatial transcriptomics via collective optimal transport

Z Cang, Y Zhao, AA Almet, A Stabell, R Ramos… - Nature …, 2023 - nature.com
Spatial transcriptomic technologies and spatially annotated single-cell RNA sequencing
datasets provide unprecedented opportunities to dissect cell–cell communication (CCC) …

Sliced optimal partial transport

Y Bai, B Schmitzer, M Thorpe… - Proceedings of the …, 2023 - openaccess.thecvf.com
Optimal transport (OT) has become exceedingly popular in machine learning, data science,
and computer vision. The core assumption in the OT problem is the equal total amount of …

Partial optimal tranport with applications on positive-unlabeled learning

L Chapel, MZ Alaya, G Gasso - Advances in Neural …, 2020 - proceedings.neurips.cc
Classical optimal transport problem seeks a transportation map that preserves the total mass
between two probability distributions, requiring their masses to be equal. This may be too …

Accurate point cloud registration with robust optimal transport

Z Shen, J Feydy, P Liu, AH Curiale… - Advances in …, 2021 - proceedings.neurips.cc
This work investigates the use of robust optimal transport (OT) for shape matching.
Specifically, we show that recent OT solvers improve both optimization-based and deep …

A survey of optimal transport for computer graphics and computer vision

N Bonneel, J Digne - Computer Graphics Forum, 2023 - Wiley Online Library
Optimal transport is a long‐standing theory that has been studied in depth from both
theoretical and numerical point of views. Starting from the 50s this theory has also found a …

Differentiable rendering using rgbxy derivatives and optimal transport

J **ng, F Luan, LQ Yan, X Hu, H Qian… - ACM Transactions on …, 2022 - dl.acm.org
Traditional differentiable rendering approaches are usually hard to converge in inverse
rendering optimizations, especially when initial and target object locations are not so close …

Fast Optimal Transport through Sliced Generalized Wasserstein Geodesics

G Mahey, L Chapel, G Gasso… - Advances in Neural …, 2024 - proceedings.neurips.cc
Wasserstein distance (WD) and the associated optimal transport plan have been proven
useful in many applications where probability measures are at stake. In this paper, we …

Hierarchical sliced wasserstein distance

K Nguyen, T Ren, H Nguyen, L Rout, T Nguyen… - arxiv preprint arxiv …, 2022 - arxiv.org
Sliced Wasserstein (SW) distance has been widely used in different application scenarios
since it can be scaled to a large number of supports without suffering from the curse of …

Delving into high-quality synthetic face occlusion segmentation datasets

KTR Voo, L Jiang, CC Loy - Proceedings of the IEEE/CVF …, 2022 - openaccess.thecvf.com
This paper performs comprehensive analysis on datasets for occlusion-aware face
segmentation, a task that is crucial for many downstream applications. The collection and …

Unbalanced optimal transport through non-negative penalized linear regression

L Chapel, R Flamary, H Wu… - Advances in Neural …, 2021 - proceedings.neurips.cc
This paper addresses the problem of Unbalanced Optimal Transport (UOT) in which the
marginal conditions are relaxed (using weighted penalties in lieu of equality) and no …