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Generative models can be categorized into two types: explicit generative models that define explicit density forms and allow exact likelihood inference, such as score-based diffusion models (SDMs) and normalizing flows; implicit generative…

机器学习 · 统计学 2023-07-06 Jingwei Zhang , Han Shi , Jincheng Yu , Enze Xie , Zhenguo Li

Evaluation in machine learning is usually informed by past choices, for example which datasets or metrics to use. This standardization enables the comparison on equal footing using leaderboards, but the evaluation choices become sub-optimal…

We propose a novel approach for disentangling visual and semantic features from the backbones of pre-trained diffusion models, enabling visual correspondence in a manner analogous to the well-established semantic correspondence. While…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Abdelrahman Eldesokey , Aleksandar Cvejic , Bernard Ghanem , Peter Wonka

In biomedical image analysis, data imbalance is common across several imaging modalities. Data augmentation is one of the key solutions in addressing this limitation. Generative Adversarial Networks (GANs) are increasingly being relied upon…

图像与视频处理 · 电气工程与系统科学 2023-08-08 Muhammad Muneeb Saad , Mubashir Husain Rehmani , Ruairi O'Reilly

Effective generalization in language models depends critically on the diversity of their training data. Yet existing diversity metrics often fall short of this goal, relying on surface-level heuristics that are decoupled from model…

Deep metric learning applied to various applications has shown promising results in identification, retrieval and recognition. Existing methods often do not consider different granularity in visual similarity. However, in many domain…

计算机视觉与模式识别 · 计算机科学 2021-05-17 Dipu Manandhar , Muhammet Bastan , Kim-Hui Yap

Motivated by the success of traditional software testing, numerous diversity measures have been proposed for testing deep neural networks (DNNs). In this study, we propose a shift in perspective, advocating for the consideration of DNN…

软件工程 · 计算机科学 2024-02-28 Zi Wang , Jihye Choi , Ke Wang , Somesh Jha

Disparities in the societal harms and impacts of Generative AI (GenAI) systems highlight the critical need for effective unfairness measurement approaches. While numerous benchmarks exist, designing valid measurements requires proper…

计算机与社会 · 计算机科学 2025-07-08 Kimberly Le Truong , Annette Zimmermann , Hoda Heidari

Any method's development and practical application is limited by our ability to measure its reliability. The popularity of generative modeling emphasizes the importance of good synthetic data metrics. Unfortunately, previous works have…

机器学习 · 计算机科学 2025-05-29 Ossi Räisä , Boris van Breugel , Mihaela van der Schaar

Deep metric learning aims to construct an embedding space where samples of the same class are close to each other, while samples of different classes are far away from each other. Most existing deep metric learning methods attempt to…

计算机视觉与模式识别 · 计算机科学 2023-04-24 Liu Pingping , Liu Zetong , Lang Yijun , Zhou Qiuzhan , Li Qingliang

Statistical evaluation aims to estimate the generalization performance of a model using held-out i.i.d.\ test data sampled from the ground-truth distribution. In supervised learning settings such as classification, performance metrics such…

机器学习 · 计算机科学 2026-04-08 Shashaank Aiyer , Yishay Mansour , Shay Moran , Han Shao

A generative modeling framework is proposed that combines diffusion models and manifold learning to efficiently sample data densities on manifolds. The approach utilizes Diffusion Maps to uncover possible low-dimensional underlying (latent)…

机器学习 · 计算机科学 2025-04-22 Dimitris G. Giovanis , Ellis Crabtree , Roger G. Ghanem , Ioannis G. Kevrekidis

We introduce MEt3R, a metric for multi-view consistency in generated images. Large-scale generative models for multi-view image generation are rapidly advancing the field of 3D inference from sparse observations. However, due to the nature…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Mohammad Asim , Christopher Wewer , Thomas Wimmer , Bernt Schiele , Jan Eric Lenssen

Generative models are known to be difficult to assess. Recent works, especially on generative adversarial networks (GANs), produce good visual samples of varied categories of images. However, the validation of their quality is still…

机器学习 · 计算机科学 2019-09-25 Timothée Lesort , Andrei Stoain , Jean-François Goudou , David Filliat

Feature detection is an important procedure for image matching, where unsupervised feature detection methods are the detection approaches that have been mostly studied recently, including the ones that are based on repeatability requirement…

计算机视觉与模式识别 · 计算机科学 2022-04-28 Chao Li , Yanan You , Wenli Zhou

Good generative models should not only synthesize high quality data, but also utilize interpretable representations that aid human understanding of their behavior. However, it is difficult to measure objectively if and to what degree…

机器学习 · 计算机科学 2025-04-09 Daniel Galperin , Ullrich Köthe

Large data-driven image models are extensively used to support creative and artistic work. Under the currently predominant distribution-fitting paradigm, a dataset is treated as ground truth to be approximated as closely as possible. Yet,…

机器学习 · 计算机科学 2023-06-16 Sebastian Berns , Simon Colton , Christian Guckelsberger

Rapid advancements in text-to-3D generation require robust and scalable evaluation metrics that align closely with human judgment, a need unmet by current metrics such as PSNR and CLIP, which require ground-truth data or focus only on…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Shalini Maiti , Lourdes Agapito , Filippos Kokkinos

For many graph-related problems, it can be essential to have a set of structurally diverse graphs. For instance, such graphs can be used for testing graph algorithms or their neural approximations. However, to the best of our knowledge, the…

机器学习 · 计算机科学 2024-12-13 Fedor Velikonivtsev , Mikhail Mironov , Liudmila Prokhorenkova

We connect a large class of Generative Deep Networks (GDNs) with spline operators in order to derive their properties, limitations, and new opportunities. By characterizing the latent space partition, dimension and angularity of the…

机器学习 · 统计学 2020-02-28 Randall Balestriero , Sebastien Paris , Richard Baraniuk