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We investigate the use of sparse coding and dictionary learning in the context of multitask and transfer learning. The central assumption of our learning method is that the tasks parameters are well approximated by sparse linear…

机器学习 · 计算机科学 2014-06-17 Andreas Maurer , Massimiliano Pontil , Bernardino Romera-Paredes

State-of-the-art neural network models for optical flow estimation require a dense correlation volume at high resolutions for representing per-pixel displacement. Although the dense correlation volume is informative for accurate estimation,…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Shihao Jiang , Yao Lu , Hongdong Li , Richard Hartley

We study Bayesian inverse problems with mixed noise, modeled as a combination of additive and multiplicative Gaussian components. While traditional inference methods often assume fixed or known noise characteristics, real-world…

机器学习 · 计算机科学 2025-10-17 Paul Hagemann , Robert Gruhlke , Bernhard Stankewitz , Claudia Schillings , Gabriele Steidl

We propose a framework to learn a structured latent space to represent 4D human body motion, where each latent vector encodes a full motion of the whole 3D human shape. On one hand several data-driven skeletal animation models exist…

计算机视觉与模式识别 · 计算机科学 2022-09-02 Mathieu Marsot , Stefanie Wuhrer , Jean-Sebastien Franco , Stephane Durocher

Autoregressive next-step prediction models have become the de-facto standard for building data-driven neural solvers to forecast time-dependent partial differential equations (PDEs). Denoise training that is closely related to diffusion…

机器学习 · 计算机科学 2025-03-31 Zijie Li , Anthony Zhou , Amir Barati Farimani

Recently, Flow Matching models have pushed the boundaries of high-fidelity data generation across a wide range of domains. It typically employs a single large network to learn the entire generative trajectory from noise to data. Despite…

计算机视觉与模式识别 · 计算机科学 2025-10-27 Dogyun Park , Taehoon Lee , Minseok Joo , Hyunwoo J. Kim

Deep generative models that produce novel molecular structures have the potential to facilitate chemical discovery. Flow matching is a recently proposed generative modeling framework that has achieved impressive performance on a variety of…

机器学习 · 计算机科学 2024-11-26 Ian Dunn , David R. Koes

Audio-driven talking-head generation has advanced rapidly with diffusion-based generative models, yet producing temporally coherent videos with fine-grained motion control remains challenging. We propose DEMO, a flow-matching generative…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Peiyin Chen , Zhuowei Yang , Hui Feng , Sheng Jiang , Rui Yan

Sparse anchors provide a compact interface for human motion authoring: users specify a few root positions, planar trajectory samples, or body-point targets, while the system synthesizes the full-body motion that completes the…

图形学 · 计算机科学 2026-05-18 Pengcheng Fang , Tengjiao Sun , Dongjie Fu , Xiaoyu Zhan , Yanwen Guo , Hansung Kim , Xiaohao Cai

The biological functions of proteins often depend on dynamic structural ensembles. In this work, we develop a flow-based generative modeling approach for learning and sampling the conformational landscapes of proteins. We repurpose highly…

生物大分子 · 定量生物学 2024-09-04 Bowen Jing , Bonnie Berger , Tommi Jaakkola

We propose a machine-learning-based methodology for in-situ weather forecast postprocessing that is both spatially coherent and multivariate. Compared to previous work, our Flow MAtching Postprocessing (FMAP) better represents the…

大气与海洋物理 · 物理学 2025-04-28 David Landry , Claire Monteleoni , Anastase Charantonis

Standard flow matching scales well but typically relies on an unstructured source distribution, limiting its ability to learn interpretable latent structure. Latent-variable models, by contrast, capture structure but often sacrifice…

机器学习 · 计算机科学 2026-05-11 Xavier Sumba , Carles Balsells-Rodas , Yingzhen Li

Time series generation is critical for a wide range of applications, which greatly supports downstream analytical and decision-making tasks. However, the inherent temporal heterogeneous induced by localized perturbations present significant…

机器学习 · 计算机科学 2025-11-19 Jintao Zhang , Mingyue Cheng , Zirui Liu , Xianquan Wang , Yitong Zhou , Qi Liu

Current discriminative depth estimation methods often produce blurry artifacts, while generative approaches suffer from slow sampling due to curvatures in the noise-to-depth transport. Our method addresses these challenges by framing depth…

Text-to-motion generation is driven by learning motion representations for semantic alignment with language. Existing methods rely on either continuous or discrete motion representations. However, continuous representations entangle…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Dawei Guan , Di Yang , Chengjie Jin , Jiangtao Wang

Flow Matching has emerged as a powerful framework for learning continuous transformations between distributions, enabling high-fidelity generative modeling. This work introduces Symmetrical Flow Matching (SymmFlow), a new formulation that…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Francisco Caetano , Christiaan Viviers , Peter H. N. De With , Fons van der Sommen

Flow matching has emerged as a powerful generative framework, with recent few-step methods achieving remarkable inference acceleration. However, we identify a critical yet overlooked limitation: these models suffer from severe diversity…

机器学习 · 计算机科学 2026-04-15 Yexiong Lin , Jia Shi , Shanshan Ye , Wanyu Wang , Yu Yao , Tongliang Liu

Biological processes, functions, and properties are intricately linked to the ensemble of protein conformations, rather than being solely determined by a single stable conformation. In this study, we have developed P2DFlow, a generative…

生物物理 · 物理学 2025-03-05 Yaowei Jin , Qi Huang , Ziyang Song , Mingyue Zheng , Dan Teng , Qian Shi

Immersive spatial audio has become increasingly critical for applications ranging from AR/VR to home entertainment and automotive sound systems. However, existing generative methods remain constrained to low-dimensional formats such as…

音频与语音处理 · 电气工程与系统科学 2026-01-21 Zining Liang , Runbang Wang , Xuzhou Ye , Qiuqiang Kong

Flow-based generative models synthesize data by integrating a learned velocity field from a reference distribution to the target data distribution. Prior work has focused on endpoint metrics (e.g., fidelity, likelihood, perceptual quality)…

机器学习 · 计算机科学 2025-11-25 Ziyun Li , Ben Dai , Huancheng Hu , Henrik Boström , Soon Hoe Lim