SDOF-GAN: Symmetric dense optical flow estimation with generative adversarial networks

T Che, Y Zheng, Y Yang, S Hou, W Jia… - … on Image Processing, 2021 - ieeexplore.ieee.org
There is a growing consensus in computer vision that symmetric optical flow estimation
constitutes a better model than a generic asymmetric one for its independence of the …

UDF-GAN: Unsupervised dense optical-flow estimation using cycle Generative Adversarial Networks

X Liu, T Zhang, M Liu - Knowledge-Based Systems, 2023 - Elsevier
In estimating optical flow using convolutional neural networks, a gap in accuracy exists
between supervised and unsupervised training because supervised methods can obtain …

Gmflow: Learning optical flow via global matching

H Xu, J Zhang, J Cai… - Proceedings of the …, 2022 - openaccess.thecvf.com
Learning-based optical flow estimation has been dominated with the pipeline of cost volume
with convolutions for flow regression, which is inherently limited to local correlations and …

Multi-Scale RAFT: Combining hierarchical concepts for learning-based optical flow estimation

A Jahedi, L Mehl, M Rivinius… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Many classical and learning-based optical flow methods rely on hierarchical concepts to
improve both accuracy and robustness. However, one of the currently most successful …

FlowDiffuser: Advancing Optical Flow Estimation with Diffusion Models

A Luo, X Li, F Yang, J Liu, H Fan… - Proceedings of the IEEE …, 2024 - openaccess.thecvf.com
Optical flow estimation a process of predicting pixel-wise displacement between consecutive
frames has commonly been approached as a regression task in the age of deep learning …

Guided optical flow learning

Y Zhu, Z Lan, S Newsam, AG Hauptmann - arXiv preprint arXiv …, 2017 - arxiv.org
We study the unsupervised learning of CNNs for optical flow estimation using proxy ground
truth data. Supervised CNNs, due to their immense learning capacity, have shown superior …

Distractflow: Improving optical flow estimation via realistic distractions and pseudo-labeling

J Jeong, H Cai, R Garrepalli… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
We propose a novel data augmentation approach, DistractFlow, for training optical flow
estimation models by introducing realistic distractions to the input frames. Based on a mixing …

Displacement-invariant matching cost learning for accurate optical flow estimation

J Wang, Y Zhong, Y Dai, K Zhang… - Advances in Neural …, 2020 - proceedings.neurips.cc
Learning matching costs has been shown to be critical to the success of the state-of-the-art
deep stereo matching methods, in which 3D convolutions are applied on a 4D feature …

Models matter, so does training: An empirical study of cnns for optical flow estimation

D Sun, X Yang, MY Liu, J Kautz - IEEE transactions on pattern …, 2019 - ieeexplore.ieee.org
We investigate two crucial and closely-related aspects of CNNs for optical flow estimation:
models and training. First, we design a compact but effective CNN model, called PWC-Net …

Temporal interpolation as an unsupervised pretraining task for optical flow estimation

J Wulff, MJ Black - Pattern Recognition: 40th German Conference, GCPR …, 2019 - Springer
The difficulty of annotating training data is a major obstacle to using CNNs for low-level tasks
in video. Synthetic data often does not generalize to real videos, while unsupervised …