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In recent years, numerous graph generative models (GGMs) have been proposed. However, evaluating these models remains a considerable challenge, primarily due to the difficulty in extracting meaningful graph features that accurately…

机器学习 · 计算机科学 2025-03-18 Chengen Wang , Murat Kantarcioglu

Latent diffusion models have established a new state-of-the-art in high-resolution visual generation. Integrating Vision Foundation Model priors improves generative efficiency, yet existing latent designs remain largely heuristic. These…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Hangyu Liu , Jianyong Wang , Yutao Sun

We propose a new multimodal variational autoencoder that enables to generate from the joint distribution and conditionally to any number of complex modalities. The unimodal posteriors are conditioned on the Deep Canonical Correlation…

机器学习 · 统计学 2023-05-22 Agathe Senellart , Clément Chadebec , Stéphanie Allassonnière

Spatial transformations are enablers in a variety of medical image analysis applications that entail aligning images to a common coordinate systems. Population analysis of such transformations is expected to capture the underlying image and…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Riddhish Bhalodia , Shireen Y. Elhabian , Ladislav Kavan , Ross T. Whitaker

Errors in the representation of clouds in convection-permitting numerical weather prediction models can be introduced by different sources. These can be the forcing and boundary conditions, the representation of orography, the accuracy of…

大气与海洋物理 · 物理学 2022-03-14 Stefanie Legler , Tijana Janjic

Sparse representations with learned dictionaries have been successful in several image analysis applications. In this paper, we propose and analyze the framework of ensemble sparse models, and demonstrate their utility in image restoration…

计算机视觉与模式识别 · 计算机科学 2013-02-28 Karthikeyan Natesan Ramamurthy , Jayaraman J. Thiagarajan , Prasanna Sattigeri , Andreas Spanias

Global climate models represent small-scale processes such as clouds and convection using quasi-empirical models known as parameterizations, and these parameterizations are a leading cause of uncertainty in climate projections. A promising…

大气与海洋物理 · 物理学 2020-08-31 Janni Yuval , Paul A. O'Gorman

Human face exhibits an inherent hierarchy in its representations (i.e., holistic facial expressions can be encoded via a set of facial action units (AUs) and their intensity). Variational (deep) auto-encoders (VAE) have shown great results…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Dieu Linh Tran , Robert Walecki , Ognjen Rudovic , Stefanos Eleftheriadis , Bjørn Schuller , Maja Pantic

This paper presents a novel perspective for enhancing anti-spoofing performance in zero-shot data domain generalization. Unlike traditional image classification tasks, face anti-spoofing datasets display unique generalization…

计算机视觉与模式识别 · 计算机科学 2024-06-19 Hyojin Kim , Jiyoon Lee , Yonghyun Jeong , Haneol Jang , YoungJoon Yoo

Deep homography estimation has broad applications in computer vision and robotics. Remarkable progresses have been achieved while the existing methods typically treat it as a direct regression or iterative refinement problem and often…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Mengfan He , Liangzheng Sun , Chunyu Li , Ziyang Meng

Many complex systems in the real world can be characterized by attributed networks. To mine the potential information in these networks, deep embedded clustering, which obtains node representations and clusters simultaneously, has been paid…

机器学习 · 计算机科学 2022-05-31 Yimei Zheng , Caiyan Jia , Jian Yu , Xuanya Li

Data Assimilation is the process in which we improve the representation of the state of a physical system by combining information coming from a numerical model, real-world observations, and some prior modelling. It is widely used to model…

最优化与控制 · 数学 2025-01-09 Victor Trappler , Arthur Vidard

Rainfall prediction remains a persistent challenge due to the highly nonlinear and complex nature of meteorological data. Existing approaches lack systematic utilization of grid search for optimal hyperparameter tuning, relying instead on…

机器学习 · 计算机科学 2025-01-29 Zhenqi Li , Junhao Zhong , Hewei Wang , Jinfeng Xu , Yijie Li , Jinjiang You , Jiayi Zhang , Runzhi Wu , Soumyabrata Dev

We present a framework to train a structured prediction model by performing smoothing on the inference algorithm it builds upon. Smoothing overcomes the non-smoothness inherent to the maximum margin structured prediction objective, and…

机器学习 · 统计学 2019-02-11 Krishna Pillutla , Vincent Roulet , Sham M. Kakade , Zaid Harchaoui

Despite significant progress made over the past twenty five years, unconstrained face verification remains a challenging problem. This paper proposes an approach that couples a deep CNN-based approach with a low-dimensional discriminative…

计算机视觉与模式识别 · 计算机科学 2017-01-19 Swami Sankaranarayanan , Azadeh Alavi , Carlos Castillo , Rama Chellappa

Artificial neural networks have been successfully applied to a variety of machine learning tasks, including image recognition, semantic segmentation, and machine translation. However, few studies fully investigated ensembles of artificial…

机器学习 · 统计学 2017-04-07 Cheng Ju , Aurélien Bibaut , Mark J. van der Laan

Considering the existence of very large amount of available data repositories and reach to the very advanced system of hardware, systems meant for facial identification ave evolved enormously over the past few decades. Sketch recognition is…

机器学习 · 计算机科学 2019-11-20 Sukhada Chokkadi , Sannidhan M S , Sudeepa K B , Abhir Bhandary

Ensemble models refer to methods that combine a typically large number of classifiers into a compound prediction. The output of an ensemble method is the result of fitting a base-learning algorithm to a given data set, and obtaining diverse…

机器学习 · 统计学 2019-06-10 Waldyn Martinez

Data augmentation for deep learning benefits model training, image transformation, medical imaging analysis and many other fields. Many existing methods generate new samples from a parametric distribution, like the Gaussian, with little…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Elvis Han Cui , Bingbin Li , Yanan Li , Weng Kee Wong , Donghui Wang

One of the fundamental challenges in the prediction of dynamic agents is robustness. Usually, most predictions are deterministic estimates of future states which are over-confident and prone to error. Recently, few works have addressed…

机器人学 · 计算机科学 2023-05-29 Anshul Nayak , Azim Eskandarian , Zachary Doerzaph , Prasenjit Ghorai