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相关论文: UnFlow: Unsupervised Learning of Optical Flow with…

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Understanding the flow in 3D space of sparsely sampled points between two consecutive time frames is the core stone of modern geometric-driven systems such as VR/AR, Robotics, and Autonomous driving. The lack of real, non-simulated, labeled…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Bojun Ouyang , Dan Raviv

Efficiently selecting an appropriate spike stream data length to extract precise information is the key to the spike vision tasks. To address this issue, we propose a dynamic timing representation for spike streams. Based on multi-layers…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Lujie Xia , Ziluo Ding , Rui Zhao , Jiyuan Zhang , Lei Ma , Zhaofei Yu , Tiejun Huang , Ruiqin Xiong

The accuracy of learning-based optical flow estimation models heavily relies on the realism of the training datasets. Current approaches for generating such datasets either employ synthetic data or generate images with limited realism.…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Yingping Liang , Jiaming Liu , Debing Zhang , Ying Fu

Motion is a dominant cue in automated driving systems. Optical flow is typically computed to detect moving objects and to estimate depth using triangulation. In this paper, our motivation is to leverage the existing dense optical flow to…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Hazem Rashed , Senthil Yogamani , Ahmad El-Sallab , Pavel Krizek , Mohamed El-Helw

Deep learning-based, single-view depth estimation methods have recently shown highly promising results. However, such methods ignore one of the most important features for determining depth in the human vision system, which is motion. We…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Rui Wang , Stephen M. Pizer , Jan-Michael Frahm

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…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Qiaole Dong , Chenjie Cao , Yanwei Fu

In this paper, we proposed an unsupervised learning method for estimating the optical flow between video frames, especially to solve the occlusion problem. Occlusion is caused by the movement of an object or the movement of the camera,…

计算机视觉与模式识别 · 计算机科学 2020-03-05 Jianfeng Li , Junqiao Zhao , Tiantian Feng , Chen Ye , Lu Xiong

Estimating the 3D motion of points in a scene, known as scene flow, is a core problem in computer vision. Traditional learning-based methods designed to learn end-to-end 3D flow often suffer from poor generalization. Here we present a…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Yair Kittenplon , Yonina C. Eldar , Dan Raviv

Optical flow estimation is crucial for various applications in vision and robotics. As the difficulty of collecting ground truth optical flow in real-world scenarios, most of the existing methods of learning optical flow still adopt…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Sheng-Chi Huang , Wei-Chen Chiu

Learning depth and optical flow via deep neural networks by watching videos has made significant progress recently. In this paper, we jointly solve the two tasks by exploiting the underlying geometric rules within stereo videos.…

计算机视觉与模式识别 · 计算机科学 2018-10-10 Yang Wang , Zhenheng Yang , Peng Wang , Yi Yang , Chenxu Luo , Wei Xu

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

Scene flow estimation is a crucial component in the development of autonomous driving and 3D robotics, providing valuable information for environment perception and navigation. Despite the advantages of learning-based scene flow estimation…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Rahul Ahuja , Chris Baker , Wilko Schwarting

Sparse-to-dense interpolation for optical flow is a fundamental phase in the pipeline of most of the leading optical flow estimation algorithms. The current state-of-the-art method for interpolation, EpicFlow, is a local average method…

计算机视觉与模式识别 · 计算机科学 2017-02-27 Shay Zweig , Lior Wolf

Dense ground displacement measurements are crucial for geological studies but are impractical to collect directly. Traditionally, displacement fields are estimated using patch matching on optical satellite images from different acquisition…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Juliette Bertrand , Sophie Giffard-Roisin , James Hollingsworth , Julien Mairal

A significant weakness of most current deep Convolutional Neural Networks is the need to train them using vast amounts of manu- ally labelled data. In this work we propose a unsupervised framework to learn a deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2016-08-01 Ravi Garg , Vijay Kumar BG , Gustavo Carneiro , Ian Reid

In autonomous driving, monocular sequences contain lots of information. Monocular depth estimation, camera ego-motion estimation and optical flow estimation in consecutive frames are high-profile concerns recently. By analyzing tasks above,…

计算机视觉与模式识别 · 计算机科学 2020-08-21 Guangming Wang , Chi Zhang , Hesheng Wang , Jingchuan Wang , Yong Wang , Xinlei Wang

In recent years, the LiDAR images, as a 2D compact representation of 3D LiDAR point clouds, are widely applied in various tasks, e.g., 3D semantic segmentation, LiDAR point cloud compression (PCC). Among these works, the optical flow…

图像与视频处理 · 电气工程与系统科学 2021-08-31 Xuezhou Guo , Xuhu Lin , Lili Zhao , Zezhi Zhu , Jianwen Chen

Convolutional neural networks (CNNs) have recently been very successful in a variety of computer vision tasks, especially on those linked to recognition. Optical flow estimation has not been among the tasks where CNNs were successful. In…

The finding that very large networks can be trained efficiently and reliably has led to a paradigm shift in computer vision from engineered solutions to learning formulations. As a result, the research challenge shifts from devising…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Nikolaus Mayer , Eddy Ilg , Philipp Fischer , Caner Hazirbas , Daniel Cremers , Alexey Dosovitskiy , Thomas Brox

Stereo matching and flow estimation are two essential tasks for scene understanding, spatially in 3D and temporally in motion. Existing approaches have been focused on the unsupervised setting due to the limited resource to obtain the…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Hsueh-Ying Lai , Yi-Hsuan Tsai , Wei-Chen Chiu