Iterative residual refinement for joint optical flow and occlusion estimation

J Hur, S Roth - Proceedings of the IEEE/CVF conference on …, 2019 - openaccess.thecvf.com
Deep learning approaches to optical flow estimation have seen rapid progress over the
recent years. One common trait of many networks is that they refine an initial flow estimate …

Occlusion aware unsupervised learning of optical flow

Y Wang, Y Yang, Z Yang, L Zhao… - Proceedings of the …, 2018 - openaccess.thecvf.com
It has been recently shown that a convolutional neural network can learn optical flow
estimation with unsuper-vised learning. However, the performance of the unsuper-vised …

Optical flow modeling and computation: A survey

D Fortun, P Bouthemy, C Kervrann - Computer Vision and Image …, 2015 - Elsevier
Optical flow estimation is one of the oldest and still most active research domains in
computer vision. In 35 years, many methodological concepts have been introduced and …

Mirrorflow: Exploiting symmetries in joint optical flow and occlusion estimation

J Hur, S Roth - … of the IEEE International Conference on …, 2017 - openaccess.thecvf.com
Optical flow estimation is one of the most studied problems in computer vision, yet recent
benchmark datasets continue to reveal problem areas of today's approaches. Occlusions …

Patch-based video denoising with optical flow estimation

A Buades, JL Lisani… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
A novel image sequence denoising algorithm is presented. The proposed approach takes
advantage of the self-similarity and redundancy of adjacent frames. The algorithm is inspired …

A level set based fractional order variational model for motion estimation in application oriented spectrum

M Khan, P Kumar - Expert Systems with Applications, 2023 - Elsevier
In recent years, motion estimation has become prominent in the field of computer vision. This
is due to its applications in various domains such as object detection, video surveillance …

Rethinking optical flow methods for micro-expression spotting

Y Zhao, X Tong, Z Zhu, J Sheng, L Dai, L Xu… - Proceedings of the 30th …, 2022 - dl.acm.org
Micro-expressions (MEs) spotting is popular in some fields, for example, criminal
investigation and business communication. But it is still a challenging task to spot the onset …

Hand-held video deblurring via efficient fourier aggregation

M Delbracio, G Sapiro - IEEE Transactions on Computational …, 2015 - ieeexplore.ieee.org
Videos captured with hand-held cameras often suffer from a significant amount of blur,
mainly caused by the inevitable natural tremor of the photographer's hand. In this work, we …

Crowd event detection on optical flow manifolds

AS Rao, J Gubbi, S Marusic… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Analyzing crowd events in a video is key to understanding the behavioral characteristics of
people (humans). Detecting crowd events in videos is challenging because of articulated …

A nonlinear modeling of fractional order based variational model in optical flow estimation

M Khan, P Kumar - Optik, 2022 - Elsevier
In this paper, a nonlinear fractional order variational (NFOV) model is introduced to estimate
the optical flow. In particular, the presented model can be scaled to the existing integer order …