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Modern large displacement optical flow algorithms usually use an initialization by either sparse descriptor matching techniques or dense approximate nearest neighbor fields. While the latter have the advantage of being dense, they have the…

计算机视觉与模式识别 · 计算机科学 2015-10-21 Christian Bailer , Bertram Taetz , Didier Stricker

Flow Matching (FM) is a recent framework for generative modeling that has achieved state-of-the-art performance across various domains, including image, video, audio, speech, and biological structures. This guide offers a comprehensive and…

Deep learning approaches have achieved great success in addressing the problem of optical flow estimation. The keys to success lie in the use of cost volume and coarse-to-fine flow inference. However, the matching problem becomes ill-posed…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Tak-Wai Hui , Chen Change Loy

Optical flow estimation is a crucial subfield of computer vision, serving as a foundation for video tasks. However, the real-world robustness is limited by animated synthetic datasets for training. This introduces domain gaps when applied…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Yingping Liang , Ying Fu , Yutao Hu , Wenqi Shao , Jiaming Liu , Debing Zhang

In this paper, we study the problem of jointly estimating the optical flow and scene flow from synchronized 2D and 3D data. Previous methods either employ a complex pipeline that splits the joint task into independent stages, or fuse 2D and…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Haisong Liu , Tao Lu , Yihui Xu , Jia Liu , Limin Wang

Optical flow is a classical task that is important to the vision community. Classical optical flow estimation uses two frames as input, whilst some recent methods consider multiple frames to explicitly model long-range information. The…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Qiaole Dong , Yanwei Fu

Morphing is a long-standing problem in vision and computer graphics, requiring a time-dependent warping for feature alignment and a blending for smooth interpolation. Recently, multilayer perceptrons (MLPs) have been explored as implicit…

Motion estimation is one of the core challenges in computer vision. With traditional dual-frame approaches, occlusions and out-of-view motions are a limiting factor, especially in the context of environmental perception for vehicles due to…

计算机视觉与模式识别 · 计算机科学 2020-11-05 René Schuster , Christian Unger , Didier Stricker

Optical flow computation is essential in the early stages of the video processing pipeline. This paper focuses on a less explored problem in this area, the 360$^\circ$ optical flow estimation using deep neural networks to support…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Yiheng Li , Connelly Barnes , Kun Huang , Fang-Lue Zhang

Recent works on optical flow estimation use neural networks to predict the flow field that maps positions of one image to positions of the other. These networks consist of a feature extractor, a correlation volume, and finally several…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Leyla Mirvakhabova , Hong Cai , Jisoo Jeong , Hanno Ackermann , Farhad Zanjani , Fatih Porikli

In this paper, we propose a convolutional layer inspired by optical flow algorithms to learn motion representations. Our representation flow layer is a fully-differentiable layer designed to capture the `flow' of any representation channel…

计算机视觉与模式识别 · 计算机科学 2019-08-05 AJ Piergiovanni , Michael S. Ryoo

Panoramic optical flow enables a comprehensive understanding of temporal dynamics across wide fields of view. However, severe distortions caused by sphere-to-plane projections, such as the equirectangular projection (ERP), significantly…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Longliang Liu , Miaojie Feng , Junda Cheng , Jijun Xiang , Xuan Zhu , Xin Yang

In this paper we present a new method for deformable NeRF that can directly use optical flow as supervision. We overcome the major challenge with respect to the computationally inefficiency of enforcing the flow constraints to the backward…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Chaoyang Wang , Lachlan Ewen MacDonald , Laszlo A. Jeni , Simon Lucey

3D Multi-Object Tracking (MOT) is an important part of the unmanned vehicle perception module. Most methods optimize object detection and data association independently. These methods make the network structure complicated and limit the…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Yueling Shen , Guangming Wang , Hesheng Wang

Optical flow is an indispensable building block for various important computer vision tasks, including motion estimation, object tracking, and disparity measurement. In this work, we propose TransFlow, a pure transformer architecture for…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Yawen Lu , Qifan Wang , Siqi Ma , Tong Geng , Yingjie Victor Chen , Huaijin Chen , Dongfang Liu

We tackle the problem of estimating optical flow from a monocular camera in the context of autonomous driving. We build on the observation that the scene is typically composed of a static background, as well as a relatively small number of…

计算机视觉与模式识别 · 计算机科学 2016-08-24 Min Bai , Wenjie Luo , Kaustav Kundu , Raquel Urtasun

Optical flow techniques are becoming increasingly performant and robust when estimating motion in a scene, but their performance has yet to be proven in the area of facial expression recognition. In this work, a variety of optical flow…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Benjamin Allaert , Isaac Ronald Ward , Ioan Marius Bilasco , Chaabane Djeraba , Mohammed Bennamoun

Modern deep learning frameworks provide imperative, eager execution programming interfaces embedded in Python to provide a productive development experience. However, deep learning practitioners sometimes need to capture and transform…

机器学习 · 计算机科学 2022-03-08 James K. Reed , Zachary DeVito , Horace He , Ansley Ussery , Jason Ansel

Optical flow estimation is a fundamental problem in computer vision, yet the reliance on expensive ground-truth annotations limits the scalability of supervised approaches. Although unsupervised and semi-supervised methods alleviate this…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Yixuan Luo , Feng Qiao , Zhexiao Xiong , Yanjing Li , Nathan Jacobs

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