Optical flow estimation

D Fleet, Y Weiss - Handbook of mathematical models in computer vision, 2006 - Springer
… Usually we wish to estimate optical flow at every pixel, so we should express M and 6 as …
An effective way to estimate the flow field is to first compute derivative images through …

Secrets of optical flow estimation and their principles

D Sun, S Roth, MJ Black - 2010 IEEE computer society …, 2010 - ieeexplore.ieee.org
optical flow estimation algorithms has been improving steadily as evidenced by results on
the Middlebury optical flow … We discover that “classical” flow formulations perform surprisingly …

Optical flow and scene flow estimation: A survey

M Zhai, X Xiang, N Lv, X Kong - Pattern Recognition, 2021 - Elsevier
… the estimation of optical flow and scene flow usually … of optical flow and scene flow estimation.
In this paper, we provide a comprehensive survey of optical flow and scene flow estimation

Flownet 2.0: Evolution of optical flow estimation with deep networks

E Ilg, N Mayer, T Saikia, M Keuper… - Proceedings of the …, 2017 - openaccess.thecvf.com
… This led to improved results in human pose estimation [17, 8] and … optical flow estimation.
Our network architecture includes warping layers that compensate for some already estimated

Optical flow estimation: advances and comparisons

M Otte, HH Nagel - Computer Vision—ECCV'94: Third European …, 1994 - Springer
… local differential techniques for estimating optical flow and its … as well as of the optical flow
in a spatiotemporal neighborhood. … of equations to estimate the optical flow alld its derivatives. …

Optical flow estimation using a spatial pyramid network

A Ranjan, MJ Black - … of the IEEE conference on computer …, 2017 - openaccess.thecvf.com
… Visual comparison of optical flow estimates using our SPyNet model with FlowNet on the
MPI Sintel dataset. The top five rows are from the Sintel Final set and the bottom five rows are …

A quantitative analysis of current practices in optical flow estimation and the principles behind them

D Sun, S Roth, MJ Black - International Journal of Computer Vision, 2014 - Springer
… In the first, we perform a study of recent optical flow methods and models. The most accurate
methods on the Middlebury flow dataset make different choices about how to model the …

Motion detail preserving optical flow estimation

L Xu, J Jia, Y Matsushita - IEEE Transactions on Pattern …, 2011 - ieeexplore.ieee.org
… We have presented a new optical flow estimation framework to reduce the reliance on
the coarse level estimation in the variational setting for small-size salient motion estimation. …

High accuracy optical flow estimation based on a theory for warping

T Brox, A Bruhn, N Papenberg, J Weickert - Computer Vision-ECCV 2004 …, 2004 - Springer
… We study an energy functional for computing optical flow that combines three assumptions:
… smaller angular errors than previous techniques for optical flow estimation. We show that it is …

Liteflownet: A lightweight convolutional neural network for optical flow estimation

TW Hui, X Tang, CC Loy - Proceedings of the IEEE …, 2018 - openaccess.thecvf.com
… In summary, we propose a compact LiteFlowNet to estimate optical flow. Our network innovates
the useful elements from conventional methods. eg., brightness constraint in data fidelity …