中文
相关论文

相关论文: LC-Flow: Learning Local Continuous Optical Flow an…

200 篇论文

Optical flow estimation in the rainy scenes is challenging due to background degradation introduced by rain streaks and rain accumulation effects in the scene. Rain accumulation effect refers to poor visibility of remote objects due to the…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Ruoteng Li , Robby T. Tan , Loong-Fah Cheong

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

Existing video prediction methods mainly rely on observing multiple historical frames or focus on predicting the next one-frame. In this work, we study the problem of generating consecutive multiple future frames by observing one single…

计算机视觉与模式识别 · 计算机科学 2018-08-28 Yijun Li , Chen Fang , Jimei Yang , Zhaowen Wang , Xin Lu , Ming-Hsuan Yang

Event cameras respond to changes in log-brightness at the millisecond level, making them ideal for optical flow estimation. However, existing datasets from event cameras provide only low frame rate ground truth for optical flow, limiting…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Yaozu Ye , Hao Shi , Kailun Yang , Ze Wang , Xiaoting Yin , Lei Sun , Yaonan Wang , Kaiwei Wang

In this paper, we present a new inpainting framework for recovering missing regions of video frames. Compared with image inpainting, performing this task on video presents new challenges such as how to preserving temporal consistency and…

计算机视觉与模式识别 · 计算机科学 2019-05-09 Yifan Ding , Chuan Wang , Haibin Huang , Jiaming Liu , Jue Wang , Liqiang Wang

CNN-based optical flow estimation has attracted attention recently, mainly due to its impressively high frame rates. These networks perform well on synthetic datasets, but they are still far behind the classical methods in real-world…

计算机视觉与模式识别 · 计算机科学 2017-04-10 Nima Sedaghat , Mohammadreza Zolfaghari , Thomas Brox

In this paper, we propose a spatio-temporal contextual network, STC-Flow, for optical flow estimation. Unlike previous optical flow estimation approaches with local pyramid feature extraction and multi-level correlation, we propose a…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Xiaolin Song , Yuyang Zhao , Jingyu Yang

The rapid development of Deepfake technology has enabled the generation of highly realistic manipulated videos, posing severe social and ethical challenges. Existing Deepfake detection methods primarily focused on either spatial or temporal…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Jiaxin Chen , Miao Hu , Dengyong Zhang , Jingyang Meng

Event-based cameras can overpass frame-based cameras limitations for important tasks such as high-speed motion detection during self-driving cars navigation in low illumination conditions. The event cameras' high temporal resolution and…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Haixin Sun , Minh-Quan Dao , Vincent Fremont

The FlowNet demonstrated that optical flow estimation can be cast as a learning problem. However, the state of the art with regard to the quality of the flow has still been defined by traditional methods. Particularly on small displacements…

计算机视觉与模式识别 · 计算机科学 2016-12-07 Eddy Ilg , Nikolaus Mayer , Tonmoy Saikia , Margret Keuper , Alexey Dosovitskiy , Thomas Brox

Scene flow characterizes the 3D motion between two LiDAR scans captured by an autonomous vehicle at nearby timesteps. Prevalent methods consider scene flow as point-wise unconstrained flow vectors that can be learned by either large-scale…

计算机视觉与模式识别 · 计算机科学 2024-03-22 Yancong Lin , Holger Caesar

Most of current Convolution Neural Network (CNN) based methods for optical flow estimation focus on learning optical flow on synthetic datasets with groundtruth, which is not practical. In this paper, we propose an unsupervised optical flow…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Shuosen Guan , Haoxin Li , Wei-Shi Zheng

As the use of neuromorphic, event-based vision sensors expands, the need for compression of their output streams has increased. While their operational principle ensures event streams are spatially sparse, the high temporal resolution of…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Daniel C. Stumpp , Himanshu Akolkar , Alan D. George , Ryad Benosman

Optical flow estimation with occlusion or large displacement is a problematic challenge due to the lost of corresponding pixels between consecutive frames. In this paper, we discover that the lost information is related to a large quantity…

计算机视觉与模式识别 · 计算机科学 2021-01-19 Yang Jiao , Guangming Shi , Trac D. Tran

Optical flow provides information on relative motion that is an important component in many computer vision pipelines. Neural networks provide high accuracy optical flow, yet their complexity is often prohibitive for application at the edge…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Yannick Schnider , Stanislaw Wozniak , Mathias Gehrig , Jules Lecomte , Axel von Arnim , Luca Benini , Davide Scaramuzza , Angeliki Pantazi

In this work, we propose a novel framework for unsupervised learning for event cameras that learns motion information from only the event stream. In particular, we propose an input representation of the events in the form of a discretized…

计算机视觉与模式识别 · 计算机科学 2018-12-20 Alex Zihao Zhu , Liangzhe Yuan , Kenneth Chaney , Kostas Daniilidis

Modern optical flow methods make use of salient scene feature points detected and matched within the scene as a basis for sparse-to-dense optical flow estimation. Current feature detectors however either give sparse, non uniform point…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Felix Stephenson , Toby Breckon , Ioannis Katramados

Real-time high-accuracy optical flow estimation is a crucial component in various applications, including localization and mapping in robotics, object tracking, and activity recognition in computer vision. While recent learning-based…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Zhiyong Zhang , Huaizu Jiang , Hanumant Singh

Optical flow is the motion of a pixel between at least two consecutive video frames and can be estimated through an end-to-end trainable convolutional neural network. To this end, large training datasets are required to improve the accuracy…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Roman Seidel , André Apitzsch , Gangolf Hirtz

This paper deals with the scarcity of data for training optical flow networks, highlighting the limitations of existing sources such as labeled synthetic datasets or unlabeled real videos. Specifically, we introduce a framework to generate…

计算机视觉与模式识别 · 计算机科学 2021-04-09 Filippo Aleotti , Matteo Poggi , Stefano Mattoccia