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相关论文: Unsupervised Learning of the Total Variation Flow

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We introduce multigrid Predictive Filter Flow (mgPFF), a framework for unsupervised learning on videos. The mgPFF takes as input a pair of frames and outputs per-pixel filters to warp one frame to the other. Compared to optical flow used…

计算机视觉与模式识别 · 计算机科学 2019-04-04 Shu Kong , Charless Fowlkes

Recent works have shown that optical flow can be learned by deep networks from unlabelled image pairs based on brightness constancy assumption and smoothness prior. Current approaches additionally impose an augmentation regularization term…

计算机视觉与模式识别 · 计算机科学 2022-11-14 Lingtong Kong , Jie Yang

We propose a platform based on neural networks to solve the image-to-image translation problem in the context of squeeze flow of micro-droplets. In the first part of this paper, we present the governing partial differential equations to lay…

机器学习 · 计算机科学 2022-11-17 Aryan Mehboudi , Shrawan Singhal , S. V. Sreenivasan

Event cameras rely on motion to obtain information about scene appearance. This means that appearance and motion are inherently linked: either both are present and recorded in the event data, or neither is captured. Previous works treat the…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Shuang Guo , Friedhelm Hamann , Guillermo Gallego

Unsupervised anomaly detection and localization is crucial to the practical application when collecting and labeling sufficient anomaly data is infeasible. Most existing representation-based approaches extract normal image features with a…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Jiawei Yu , Ye Zheng , Xiang Wang , Wei Li , Yushuang Wu , Rui Zhao , Liwei Wu

Solving partial differential equations (PDEs) by numerical methods meet computational cost challenge for getting the accurate solution since fine grids and small time steps are required. Machine learning can accelerate this process, but…

数值分析 · 数学 2025-01-28 Qi Wang , Yuan Mi , Haoyun Wang , Yi Zhang , Ruizhi Chengze , Hongsheng Liu , Ji-Rong Wen , Hao Sun

Nonlinear variational methods have become very powerful tools for many image processing tasks. Recently a new line of research has emerged, dealing with nonlinear eigenfunctions induced by convex functionals. This has provided new insights…

计算机视觉与模式识别 · 计算机科学 2016-09-28 Raz Z. Nossek , Guy Gilboa

Partial differential equation (PDE) simulation holds extensive significance in scientific research. Currently, the integration of deep neural networks to learn solution operators of PDEs has introduced great potential. In this paper, we…

机器学习 · 计算机科学 2026-03-25 Haosen Li , Qi Meng , Jiahao Li , Rui Zhang , Ruihua Song , Liang Ma , Zhi-Ming Ma

This study presents the development of a spatially adaptive weighting strategy for Total Variation regularization, aimed at addressing under-determined linear inverse problems. The method leverages the rapid computation of an accurate…

In this paper, a new regularization term is proposed to solve mathematical image problems. By using difference operators in the four directions; horizontal, vertical and two diagonal directions, an estimation of derivative amplitude is…

数值分析 · 数学 2022-09-14 Alireza Hosseini

Conventional physically based rendering (PBR) pipelines generate photorealistic images through computationally intensive light transport simulations. Although recent deep learning approaches leverage diffusion model priors with geometry…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Shenghao Zhang , Runtao Liu , Christopher Schroers , Yang Zhang

Advances in medical imaging technologies have enabled the collection of longitudinal images, which involve repeated scanning of the same patients over time, to monitor disease progression. However, predictive modeling of such data remains…

图像与视频处理 · 电气工程与系统科学 2025-04-25 Chen Liu , Ke Xu , Liangbo L. Shen , Guillaume Huguet , Zilong Wang , Alexander Tong , Danilo Bzdok , Jay Stewart , Jay C. Wang , Lucian V. Del Priore , Smita Krishnaswamy

We study the unsupervised learning of CNNs for optical flow estimation using proxy ground truth data. Supervised CNNs, due to their immense learning capacity, have shown superior performance on a range of computer vision problems including…

计算机视觉与模式识别 · 计算机科学 2017-07-04 Yi Zhu , Zhenzhong Lan , Shawn Newsam , Alexander G. Hauptmann

The recent success in deep learning has lead to various effective representation learning methods for videos. However, the current approaches for video representation require large amount of human labeled datasets for effective learning. We…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Shruti Vyas , Yogesh S Rawat , Mubarak Shah

The great potential of unsupervised monocular depth estimation has been demonstrated by many works due to low annotation cost and impressive accuracy comparable to supervised methods. To further improve the performance, recent works mainly…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Junyu Zhu , Lina Liu , Yong Liu , Wanlong Li , Feng Wen , Hongbo Zhang

Unsupervised learning from visual data is one of the most difficult challenges in computer vision, being a fundamental task for understanding how visual recognition works. From a practical point of view, learning from unsupervised visual…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

Owing to its significant success, the prior imposed on gradient maps has consistently been a subject of great interest in the field of image processing. Total variation (TV), one of the most representative regularizers, is known for its…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Shuang Xu , Yifan Wang , Zixiang Zhao , Jiangjun Peng , Xiangyong Cao , Deyu Meng , Yulun Zhang , Radu Timofte , Luc Van Gool

Underwater images suffer from colour shifts, low contrast, and haziness due to light absorption, refraction, scattering and restoring these images has warranted much attention. In this work, we present Unsupervised Underwater Neural…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Vinayak Gupta , Manoj S , Mukund Varma T , Kaushik Mitra

In dense foggy scenes, existing optical flow methods are erroneous. This is due to the degradation caused by dense fog particles that break the optical flow basic assumptions such as brightness and gradient constancy. To address the…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Wending Yan , Aashish Sharma , Robby T. Tan

Advances in the image-based diagnostics of complex biological and manufacturing processes have brought unsupervised image segmentation to the forefront of enabling automated, on the fly decision making. However, most existing unsupervised…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Ashif Sikandar Iquebal , Satish Bukkapatnam