Results 41 to 50 of about 32,144 (182)

Dimensional contraction via Markov transportation distance [PDF]

open access: yes, 2013
It is now well known that curvature conditions \`a la Bakry-Emery are equivalent to contraction properties of the heat semigroup with respect to the classical quadratic Wasserstein distance.
Bolley, François   +2 more
core   +5 more sources

Hierarchical Sliced Wasserstein Distance

open access: yes, 2022
Accepted to ICLR 2023, 29 pages, 8 figures, 3 tables,
Nguyen, Khai   +5 more
openaire   +2 more sources

Open-Set Signal Recognition Based on Transformer and Wasserstein Distance

open access: yesApplied Sciences, 2023
Open-set signal recognition provides a new approach for verifying the robustness of models by introducing novel unknown signal classes into the model testing and breaking the conventional closed-set assumption, which has become very popular in real-world
Wei Zhang   +4 more
doaj   +1 more source

Lidar Upsampling With Sliced Wasserstein Distance

open access: yesIEEE Robotics and Automation Letters, 2023
Lidar became an important component of the perception systems in autonomous driving. But challenges of training data acquisition and annotation made emphasized the role of the sensor to sensor domain adaptation. In this work, we address the problem of lidar upsampling.
Artem Savkin   +4 more
openaire   +2 more sources

Generating Adversarial Samples With Constrained Wasserstein Distance

open access: yesIEEE Access, 2019
In recent years, deep neural network (DNN) approaches prove to be useful in many machine learning tasks, including classification. However, small perturbations that are carefully crafted by attackers can lead to the misclassification of the images ...
Kedi Wang, Ping Yi, Futai Zou, Yue Wu
doaj   +1 more source

Proxying credit curves via Wasserstein distances

open access: yesAnnals of Operations Research, 2022
AbstractCredit risk plays a key role in financial modeling, and financial institutions are required to incorporate it in their pricing, as well as in capital requirement calculations. A common manner to extract credit worthiness information for existing and potential counterparties is based on the Credit Default Swap (CDS) market.
Matteo Michielon   +2 more
openaire   +6 more sources

Graded persistence diagrams and persistence landscapes

open access: yes, 2021
We introduce a refinement of the persistence diagram, the graded persistence diagram. It is the Mobius inversion of the graded rank function, which is obtained from the rank function using the unary numeral system.
Betthauser, Leo   +2 more
core  

Kernel Wasserstein Distance

open access: yes, 2019
The Wasserstein distance is a powerful metric based on the theory of optimal transport. It gives a natural measure of the distance between two distributions with a wide range of applications. In contrast to a number of the common divergences on distributions such as Kullback-Leibler or Jensen-Shannon, it is (weakly) continuous, and thus ideal for ...
Oh, Jung Hun   +5 more
openaire   +2 more sources

On Properties of the Generalized Wasserstein Distance [PDF]

open access: yesArchive for Rational Mechanics and Analysis, 2016
The Wasserstein distances $W_p$ ($p\geq 1$), defined in terms of solution to the Monge-Kantorovich problem, are known to be a useful tool to investigate transport equations. In particular, the Benamou-Brenier formula characterizes the square of the Wasserstein distance $W_2$ as the infimum of the kinetic energy, or action functional, of all vector ...
Piccoli, Benedetto, Rossi, Francesco
openaire   +4 more sources

MRWM: A Multiple Residual Wasserstein Driven Model for Image Denoising

open access: yesIEEE Access, 2022
Residual histograms can provide valuable information for vision research. However, current image restoration methods have not fully exploited the potential of multiple residual histograms, especially their role as overall regularization constraints.
Rui-Qiang He, Wang-Sen Lan, Fang Liu
doaj   +1 more source

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