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Diffusion and flow-based generative models have shown strong potential for image restoration. However, image denoising under unknown and varying noise conditions remains challenging, because the learned vector fields may become inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Jigang Duan , Genwei Ma , Xu Jiang , Wenfeng Xu , Ping Yang , Xing Zhao

Most recent diffusion-based methods still show a large gap compared to non-diffusion methods for video frame interpolation, in both accuracy and efficiency. Most of them formulate the problem as a denoising procedure in latent space…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Yang Hai , Guo Wang , Tan Su , Wenjie Jiang , Yinlin Hu

This paper presents a novel method for detecting scene changes from a pair of images with a difference of camera viewpoints using a dense optical flow based change detection network. In the case that camera poses of input images are fixed…

Computer Vision and Pattern Recognition · Computer Science 2017-12-11 Ken Sakurada , Weimin Wang , Nobuo Kawaguchi , Ryosuke Nakamura

We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

Computer Vision and Pattern Recognition · Computer Science 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

We propose to incorporate feature correlation and sequential processing into dense optical flow estimation from event cameras. Modern frame-based optical flow methods heavily rely on matching costs computed from feature correlation. In…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Mathias Gehrig , Mario Millhäusler , Daniel Gehrig , Davide Scaramuzza

Ultra-High-Definition (UHD) image dehazing faces challenges such as limited scene adaptability in prior-based methods and high computational complexity with color distortion in deep learning approaches. To address these issues, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Xingchi Chen , Pu Wang , Xuerui Li , Chaopeng Li , Juxiang Zhou , Jianhou Gan , Dianjie Lu , Guijuan Zhang , Wenqi Ren , Zhuoran Zheng

The matching function for the problem of stereo reconstruction or optical flow has been traditionally designed as a function of the distance between the features describing matched pixels. This approach works under assumption, that the…

Computer Vision and Pattern Recognition · Computer Science 2015-02-04 Ľubor Ladický , Christian Häne , Marc Pollefeys

Optical flow estimation is a challenging problem remaining unsolved. Recent deep learning based optical flow models have achieved considerable success. However, these models often train networks from the scratch on standard optical flow…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Qiaole Dong , Chenjie Cao , Yanwei Fu

Recent advances in deep-learning based methods for image matching have demonstrated their superiority over traditional algorithms, enabling correspondence estimation in challenging scenes with significant differences in viewing angles,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Rahul Deshmukh , Avinash Kak

We present a novel, purely affinity-based natural image matting algorithm. Our method relies on carefully defined pixel-to-pixel connections that enable effective use of information available in the image. We control the information flow…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Yağız Aksoy , Tunç Ozan Aydın , Marc Pollefeys

Estimating the correspondences between pixels in sequences of images is a critical first step for a myriad of tasks including vision-aided navigation (e.g., visual odometry (VO), visual-inertial odometry (VIO), and visual simultaneous…

Image and Video Processing · Electrical Eng. & Systems 2018-03-16 E. Jared Shamwell , William D. Nothwang , Donald Perlis

Scene flow is the dense 3D reconstruction of motion and geometry of a scene. Most state-of-the-art methods use a pair of stereo images as input for full scene reconstruction. These methods depend a lot on the quality of the RGB images and…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Rishav , Ramy Battrawy , René Schuster , Oliver Wasenmüller , Didier Stricker

In most computer vision and image analysis problems, it is necessary to define a similarity measure between two or more different objects or images. Template matching is a classic and fundamental method used to score similarities between…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Nazanin Sadat Hashemi , Roya Babaie Aghdam , Atieh Sadat Bayat Ghiasi , Parastoo Fatemi

Dense feature matching aims to estimate all correspondences between two images of a 3D scene and has recently been established as the gold-standard due to its high accuracy and robustness. However, existing dense matchers still fail or…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Johan Edstedt , David Nordström , Yushan Zhang , Georg Bökman , Jonathan Astermark , Viktor Larsson , Anders Heyden , Fredrik Kahl , Mårten Wadenbäck , Michael Felsberg

We propose a new algorithm for color transfer between images that have perceptually similar semantic structures. We aim to achieve a more accurate color transfer that leverages semantically-meaningful dense correspondence between images. To…

Computer Vision and Pattern Recognition · Computer Science 2018-12-13 Mingming He , Jing Liao , Dongdong Chen , Lu Yuan , Pedro V. Sander

With the advent of mobile phone photography and point-and-shoot cameras, deep-burst imaging is widely used for a number of photographic effects such as depth of field, super-resolution, motion deblurring, and image denoising. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Arijit Mallick , Raphael Braun , Hendrik PA Lensch

In this work, we introduce a deep-learning framework designed for estimating dense image correspondences. Our fully convolutional model generates dense feature maps for images, where each pixel is associated with a descriptor that can be…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Monika Kwiatkowski , Simon Matern , Olaf Hellwich

In optical flow estimation task, coarse-to-fine (C2F) warping strategy is widely used to deal with the large displacement problem and provides efficiency and speed. However, limited by the small search range between the first images and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Suihanjin Yu , Youmin Zhang , Chen Wang , Xiao Bai , Liang Zhang , Edwin R. Hancock

Dense image correspondence is central to many applications, such as visual odometry, 3D reconstruction, object association, and re-identification. Historically, dense correspondence has been tackled separately for wide-baseline scenarios…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Yuchen Zhang , Nikhil Keetha , Chenwei Lyu , Bhuvan Jhamb , Yutian Chen , Yuheng Qiu , Jay Karhade , Shreyas Jha , Yaoyu Hu , Deva Ramanan , Sebastian Scherer , Wenshan Wang

Image alignment by mesh warps, such as meshflow, is a fundamental task which has been widely applied in various vision applications(e.g., multi-frame HDR/denoising, video stabilization). Traditional mesh warp methods detect and match image…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Nianjin Ye , Chuan Wang , Shuaicheng Liu , Lanpeng Jia , Jue Wang , Yongqing Cui