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Manifold distances are very effective tools for visual object recognition. However, most of the traditional manifold distances between images are based on the pixel-level comparison and thus easily affected by image rotations and…

Computer Vision and Pattern Recognition · Computer Science 2016-05-13 Fengfu Li , Xiayuan Huang , Hong Qiao , Bo Zhang

Estimating the 6D pose for unseen objects is in great demand for many real-world applications. However, current state-of-the-art pose estimation methods can only handle objects that are previously trained. In this paper, we propose a new…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 Minghao Gou , Haolin Pan , Hao-Shu Fang , Ziyuan Liu , Cewu Lu , Ping Tan

Weakly supervised object detection (WSOD) focuses on training object detector with only image-level annotations, and is challenging due to the gap between the supervision and the objective. Most of existing approaches model WSOD as a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-17 Yan Gao , Boxiao Liu , Nan Guo , Xiaochun Ye , Fang Wan , Haihang You , Dongrui Fan

Bias evaluation is fundamental to trustworthy AI, both in terms of checking data quality and in terms of checking the outputs of AI systems. In testing data quality, for example, one may study the distance of a given dataset, viewed as a…

Machine Learning · Computer Science 2025-06-12 Jiří Němeček , Mark Kozdoba , Illia Kryvoviaz , Tomáš Pevný , Jakub Mareček

Clustering is a data analysis method for extracting knowledge by discovering groups of data called clusters. Among these methods, state-of-the-art density-based clustering methods have proven to be effective for arbitrary-shaped clusters.…

Machine Learning · Computer Science 2023-10-26 Nabil El Malki , Robin Cugny , Olivier Teste , Franck Ravat

Comparing images to recommend items from an image-inventory is a subject of continued interest. Added with the scalability of deep-learning architectures the once `manual' job of hand-crafting features have been largely alleviated, and…

Information Retrieval · Computer Science 2017-11-15 Y Qian , E Vazquez , B Sengupta

Change Point Detection (CPD) aims to identify moments of abrupt distribution shifts in data streams. Real-world high-dimensional CPD remains challenging due to data pattern complexity and violation of common assumptions. Resorting to…

Machine Learning · Statistics 2025-10-03 Alexander Stepikin , Evgenia Romanenkova , Alexey Zaytsev

The Wasserstein metric has become increasingly important in many machine learning applications such as generative modeling, image retrieval and domain adaptation. Despite its appeal, it is often too costly to compute. This has motivated…

Machine Learning · Computer Science 2025-06-04 Jonathan Bobrutsky , Amit Moscovich

The Wasserstein metric or earth mover's distance (EMD) is a useful tool in statistics, machine learning and computer science with many applications to biological or medical imaging, among others. Especially in the light of increasingly…

Optimization and Control · Mathematics 2018-01-26 Jörn Schrieber , Dominic Schuhmacher , Carsten Gottschlich

The adapted Wasserstein distance is a metric for quantifying distributional uncertainty and assessing the sensitivity of stochastic optimization problems on time series data. A computationally efficient alternative to it, is provided by the…

Optimization and Control · Mathematics 2025-10-10 Beatrice Acciaio , Songyan Hou , Gudmund Pammer

We study the Wasserstein metric to measure distances between molecules represented by the atom index dependent adjacency "Coulomb" matrix, used in kernel ridge regression based supervised learning. Resulting quantum machine learning models…

Chemical Physics · Physics 2025-04-01 Onur Çaylak , O. Anatole von Lilienfeld , Björn Baumeier

This survey paper specially analyzed computer vision-based object detection challenges and solutions by different techniques. We mainly highlighted object detection by three different trending strategies, i.e., 1) domain adaptive deep…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Muhammed Muzammul , Xi Li

Learning-based infrared small object detection methods currently rely heavily on the classification backbone network. This tends to result in tiny object loss and feature distinguishability limitations as the network depth increases.…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Xin Wu , Danfeng Hong , Jocelyn Chanussot

Issued from Optimal Transport, the Wasserstein distance has gained importance in Machine Learning due to its appealing geometrical properties and the increasing availability of efficient approximations. In this work, we consider the problem…

Machine Learning · Statistics 2022-02-21 Guillaume Staerman , Pierre Laforgue , Pavlo Mozharovskyi , Florence d'Alché-Buc

Generative adversarial nets (GANs) and variational auto-encoders have significantly improved our distribution modeling capabilities, showing promise for dataset augmentation, image-to-image translation and feature learning. However, to…

We are interested in the approximation in Wasserstein distance with index $\rho\ge 1$ of a probability measure $\mu$ on the real line with finite moment of order $\rho$ by the empirical measure of $N$ deterministic points. The minimal error…

Probability · Mathematics 2021-05-07 Oumaima Bencheikh , Benjamin Jourdain

Detecting out-of-distribution (OOD) samples are crucial for machine learning models deployed in open-world environments. Classifier-based scores are a standard approach for OOD detection due to their fine-grained detection capability.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Jaewoo Park , Yoon Gyo Jung , Andrew Beng Jin Teoh

In some important computer vision domains, such as medical or hyperspectral imaging, we care about the classification of tiny objects in large images. However, most Convolutional Neural Networks (CNNs) for image classification were…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Nick Pawlowski , Suvrat Bhooshan , Nicolas Ballas , Francesco Ciompi , Ben Glocker , Michal Drozdzal

Weakly Supervised Object Detection (WSOD) is a task that detects objects in an image using a model trained only on image-level annotations. Current state-of-the-art models benefit from self-supervised instance-level supervision, but since…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Jinhwan Seo , Wonho Bae , Danica J. Sutherland , Junhyug Noh , Daijin Kim

Because of the special angular distribution of excited electrons by the photoelectric effect, the Gas Pixel Detector (GPD) is effective in measuring keV X-ray polarization of astrophysical events (e.g. gamma-ray bursts), by capturing…

Data Analysis, Statistics and Probability · Physics 2026-03-05 Pengcheng Ai , Hongtao Qin , Xiangming Sun , Dong Wang , Huanbo Feng , Hongbang Liu