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Significant progress has been made for estimating optical flow using deep neural networks. Advanced deep models achieve accurate flow estimation often with a considerable computation complexity and time-consuming training processes. In this…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Lingtong Kong , Jie Yang

We learn to compute optical flow by combining a classical spatial-pyramid formulation with deep learning. This estimates large motions in a coarse-to-fine approach by warping one image of a pair at each pyramid level by the current flow…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Anurag Ranjan , Michael J. Black

Recent advances in self-supervised learning havedemonstrated that it is possible to learn accurate monoculardepth reconstruction from raw video data, without using any 3Dground truth for supervision. However, in robotics…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Robert McCraith , Lukas Neumann , Andrew Zisserman , Andrea Vedaldi

Diffusion models have achieved significant progress in both image and video generation while still suffering from huge computation costs. As an effective solution, flow matching aims to reflow the diffusion process of diffusion models into…

图形学 · 计算机科学 2025-03-13 Lei Ke , Haohang Xu , Xuefei Ning , Yu Li , Jiajun Li , Haoling Li , Yuxuan Lin , Dongsheng Jiang , Yujiu Yang , Linfeng Zhang

Most self-supervised 6D object pose estimation methods can only work with additional depth information or rely on the accurate annotation of 2D segmentation masks, limiting their application range. In this paper, we propose a 6D object pose…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Yang Hai , Rui Song , Jiaojiao Li , David Ferstl , Yinlin Hu

Video denoising aims at removing noise from videos to recover clean ones. Some existing works show that optical flow can help the denoising by exploiting the additional spatial-temporal clues from nearby frames. However, the flow estimation…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Jiezhang Cao , Qin Wang , Jingyun Liang , Yulun Zhang , Kai Zhang , Radu Timofte , Luc Van Gool

Unsupervised cross-spectral stereo matching aims at recovering disparity given cross-spectral image pairs without any supervision in the form of ground truth disparity or depth. The estimated depth provides additional information…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Mingyang Liang , Xiaoyang Guo , Hongsheng Li , Xiaogang Wang , You Song

Scene flow estimation is a long-standing problem in computer vision, where the goal is to find the 3D motion of a scene from its consecutive observations. Recently, there have been efforts to compute the scene flow from 3D point clouds. A…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Itai Lang , Dror Aiger , Forrester Cole , Shai Avidan , Michael Rubinstein

Recent advancements in flow-matching have enabled high-quality text-to-image generation. However, the deterministic nature of flow-matching models makes them poorly suited for reinforcement learning, a key tool for improving image quality…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Benjamin Yu , Jackie Liu , Justin Cui

Supervised learning methods to infer (hypothesize) depth of a scene from a single image require costly per-pixel ground-truth. We follow a geometric approach that exploits abundant stereo imagery to learn a model to hypothesize scene…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Alex Wong , Byung-Woo Hong , Stefano Soatto

This paper introduces a new method for inter-frame coding based on two complementary autoencoders: MOFNet and CodecNet. MOFNet aims at computing and conveying the Optical Flow and a pixel-wise coding Mode selection. The optical flow is used…

图像与视频处理 · 电气工程与系统科学 2020-08-07 Théo Ladune , Pierrick Philippe , Wassim Hamidouche , Lu Zhang , Olivier Déforges

Self-supervised audio-visual learning aims to capture useful representations of video by leveraging correspondences between visual and audio inputs. Existing approaches have focused primarily on matching semantic information between the…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Karren Yang , Bryan Russell , Justin Salamon

Recent work has shown that optical flow estimation can be formulated as a supervised learning task and can be successfully solved with convolutional networks. Training of the so-called FlowNet was enabled by a large synthetically generated…

计算机视觉与模式识别 · 计算机科学 2018-01-18 Nikolaus Mayer , Eddy Ilg , Philip Häusser , Philipp Fischer , Daniel Cremers , Alexey Dosovitskiy , Thomas Brox

Stereo vision generally involves the computation of pixel correspondences and estimation of disparities between rectified image pairs. In many applications, including simultaneous localization and mapping (SLAM) and 3D object detection, the…

计算机视觉与模式识别 · 计算机科学 2020-11-11 WeiQin Chuah , Ruwan Tennakoon , Reza Hoseinnezhad , Alireza Bab-Hadiashar , David Suter

In self-supervised monocular depth estimation, the depth discontinuity and motion objects' artifacts are still challenging problems. Existing self-supervised methods usually utilize a single view to train the depth estimation network.…

计算机视觉与模式识别 · 计算机科学 2020-06-29 Jianrong Wang , Ge Zhang , Zhenyu Wu , XueWei Li , Li Liu

Real world applications of stereo depth estimation require models that are robust to dynamic variations in the environment. Even though deep learning based stereo methods are successful, they often fail to generalize to unseen variations in…

计算机视觉与模式识别 · 计算机科学 2019-08-09 Alessio Tonioni , Oscar Rahnama , Thomas Joy , Luigi Di Stefano , Thalaiyasingam Ajanthan , Philip H. S. Torr

Estimating the confidence of disparity maps inferred by a stereo algorithm has become a very relevant task in the years, due to the increasing number of applications leveraging such cue. Although self-supervised learning has recently spread…

计算机视觉与模式识别 · 计算机科学 2020-11-25 Matteo Poggi , Filippo Aleotti , Fabio Tosi , Giulio Zaccaroni , Stefano Mattoccia

The field of self-supervised monocular depth estimation has seen huge advancements in recent years. Most methods assume stereo data is available during training but usually under-utilize it and only treat it as a reference signal. We…

计算机视觉与模式识别 · 计算机科学 2019-05-02 Matan Goldman , Tal Hassner , Shai Avidan

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 2022-04-13 Haisong Liu , Tao Lu , Yihui Xu , Jia Liu , Wenjie Li , Lijun Chen

Stereo video retargeting aims to resize an image to a desired aspect ratio. The quality of retargeted videos can be significantly impacted by the stereo videos spatial, temporal, and disparity coherence, all of which can be impacted by the…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Hassan Imani , Md Baharul Islam , Lai-Kuan Wong