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相关论文: From Video-to-PDE: Data-Driven Discovery of Nonlin…

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Materials synthesis platforms that are designed for autonomous experimentation are capable of collecting multimodal diagnostic data that can be utilized for feedback to optimize material properties. Pulsed laser deposition (PLD) is emerging…

材料科学 · 物理学 2024-11-01 Sumner B. Harris , Christopher M. Rouleau , Kai Xiao , Rama K. Vasudevan

We present a unified framework for solving partial differential equations (PDEs) using video-inpainting diffusion transformer models. Unlike existing methods that devise specialized strategies for either forward or inverse problems under…

机器学习 · 计算机科学 2025-06-18 Edward Li , Zichen Wang , Jiahe Huang , Jeong Joon Park

Accurate polyp segmentation remains challenging due to irregular lesion morphologies, ambiguous boundaries, and heterogeneous imaging conditions. While U-Net variants excel at local feature fusion, they often lack explicit mechanisms to…

图像与视频处理 · 电气工程与系统科学 2025-02-27 Pu Wang , Huaizhi Ma , Zhihua Zhang , Zhuoran Zheng

Reconstructing PDE-governed fields from sparse and irregular measurements is challenging due to their ill-posed nature. Deterministic surrogates are trained on dense fields that struggle with limited measurements and uncertainty…

机器学习 · 计算机科学 2026-05-18 Hao Zhou , Rui Zhang , Han Wan , Hao Sun

Deep learning has revolutionized the field of computer vision by introducing large scale neural networks with millions of parameters. Training these networks requires massive datasets and leads to intransparent models that can fail to…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Tom Fischer , Pascal Peter , Joachim Weickert , Eddy Ilg

There have been growing interests in leveraging experimental measurements to discover the underlying partial differential equations (PDEs) that govern complex physical phenomena. Although past research attempts have achieved great success…

机器学习 · 计算机科学 2023-05-23 Chengping Rao , Pu Ren , Yang Liu , Hao Sun

We propose a novel PDE-driven corruption process for generative image synthesis based on advection-diffusion processes which generalizes existing PDE-based approaches. Our forward pass formulates image corruption via a physically motivated…

图形学 · 计算机科学 2026-05-05 Grzegorz Gruszczynski , Jakub Meixner , Michal Jan Wlodarczyk , Przemyslaw Musialski

The total variation (TV) flow generates a scale-space representation of an image based on the TV functional. This gradient flow observes desirable features for images, such as sharp edges and enables spectral, scale, and texture analysis.…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Tamara G. Grossmann , Sören Dittmer , Yury Korolev , Carola-Bibiane Schönlieb

The goal of this paper is to propose two nonlinear variational models for obtaining a refined motion estimation from an image sequence. Both the proposed models can be considered as a part of a generalized framework for an accurate…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Hirak Doshi , N. Uday Kiran

Extracting information on fluid motion directly from images is challenging. Fluid flow represents a complex dynamic system governed by the Navier-Stokes equations. General optical flow methods are typically designed for rigid body motion,…

机器学习 · 计算机科学 2022-06-23 Mingrui Zhang , Jianhong Wang , James Tlhomole , Matthew D. Piggott

Granular flow dynamics on a vertically vibrated pile is studied by means of both laboratory experiments and numerical simulations. As already revealed, the depth-averaged velocity of a fully-fluidized granular pile under strong vibration,…

软凝聚态物质 · 物理学 2019-06-12 Daisuke Tsuji , Michio Otsuki , Hiroaki Katsuragi

Distilling interpretable physical laws from videos has led to expanded interest in the computer vision community recently thanks to the advances in deep learning, but still remains a great challenge. This paper introduces an end-to-end…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Lele Luan , Yang Liu , Hao Sun

Humans have a strong intuitive understanding of physical processes such as fluid falling by just a glimpse of such a scene picture, i.e., quickly derived from our immersive visual experiences in memory. This work achieves such a…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Jinxian Liu , Ye Chen , Bingbing Ni , Jiyao Mao , Zhenbo Yu

Robust and accurate six degree-of-freedom tracking on portable devices remains a challenging problem, especially on small hand-held devices such as smartphones. For improved robustness and accuracy, complementary movement information from…

计算机视觉与模式识别 · 计算机科学 2020-06-25 Lassi Meronen , William J. Wilkinson , Arno Solin

We study data-free knowledge distillation (KD) for monocular depth estimation (MDE), which learns a lightweight model for real-world depth perception tasks by compressing it from a trained teacher model while lacking training data in the…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Junjie Hu , Chenyou Fan , Mete Ozay , Hualie Jiang , Tin Lun Lam

Infrared imaging offers resilience against changing lighting conditions by capturing object temperatures. Yet, in few scenarios, its lack of visual details compared to daytime visible images, poses a significant challenge for human and…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Anh-Dzung Doan , Vu Minh Hieu Phan , Surabhi Gupta , Markus Wagner , Tat-Jun Chin , Ian Reid

Image animation is the task of transferring the motion of a driving video to a given object in a source image. While great progress has recently been made in unsupervised motion transfer, requiring no labeled data or domain priors, many…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Peirong Liu , Rui Wang , Xuefei Cao , Yipin Zhou , Ashish Shah , Ser-Nam Lim

Flow matching has emerged as a simulation-free alternative to diffusion-based generative modeling, producing samples by solving an ODE whose time-dependent velocity field is learned along an interpolation between a simple source…

机器学习 · 统计学 2026-04-10 Shivam Kumar , Yixin Wang , Lizhen Lin

Turbulent flow over permeable interface is omnipresent featuring complex flow topology. In this work, a data driven, end to end machine learning model has been developed to model the turbulent flow in porous media. For the same, we have…

流体动力学 · 物理学 2023-11-28 Xu Chu , Sandeep Pandey

We propose a novel type of nonlinear solver acceleration for systems of nonlinear partial differential equations (PDEs) that is based on online/adaptive learning. It is applied in the context of multiphase flow in porous media. The proposed…

机器学习 · 计算机科学 2025-04-28 Vinicius L S Silva , Pablo Salinas , Claire E Heaney , Matthew Jackson , Christopher C Pain
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