Variational fluid flow measurements from image sequences: synopsis and perspectives

D Heitz, E Mémin, C Schnörr - Experiments in fluids, 2010 - Springer
Variational approaches to image motion segmentation has been an active field of study in
image processing and computer vision for two decades. We present a short overview over …

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 …

A survey of variational and CNN-based optical flow techniques

Z Tu, W **e, D Zhang, R Poppe, RC Veltkamp… - Signal Processing …, 2019 - Elsevier
Dense motion estimations obtained from optical flow techniques play a significant role in
many image processing and computer vision tasks. Remarkable progress has been made in …

Fluid flow and optical flow

T Liu, L Shen - Journal of Fluid Mechanics, 2008 - cambridge.org
The connection between fluid flow and optical flow is explored in typical flow visualizations
to provide a rational foundation for application of the optical flow method to image-based …

Comparison between optical flow and cross-correlation methods for extraction of velocity fields from particle images

T Liu, A Merat, MHM Makhmalbaf, C Fajardo… - Experiments in …, 2015 - Springer
This paper presents direct comparisons between the physics-based optical flow and well-
established cross-correlation methods for extraction of velocity fields from particle images …

Cloud motion and stability estimation for intra-hour solar forecasting

CW Chow, S Belongie, J Kleissl - Solar Energy, 2015 - Elsevier
Techniques for estimating cloud motion and stability for intra-hour forecasting using a
ground-based sky imaging system are presented. A variational optical flow (VOF) technique …

Using Deep Learning to Nowcast the Spatial Coverage of Convection from Himawari-8 Satellite Data

R Lagerquist, JQ Stewart, I Ebert-Uphoff… - Monthly Weather …, 2021 - journals.ametsoc.org
Predicting the timing and location of thunderstorms (“convection”) allows for preventive
actions that can save both lives and property. We have applied U-nets, a deep-learning …

Generalization of deep recurrent optical flow estimation for particle-image velocimetry data

C Lagemann, K Lagemann, S Mukherjee… - Measurement …, 2022 - iopscience.iop.org
Particle-image velocimetry (PIV) is one of the key techniques in modern experimental fluid
mechanics to determine the velocity components of flow fields in a wide range of complex …

OpenOpticalFlow: An open source program for extraction of velocity fields from flow visualization images

T Liu - Journal of Open Research Software, 2017 - … .openresearchsoftware.metajnl.com
This paper describes OpenOpticalFlow, an open source optical flow program in Matlab for
extraction of high-resolution velocity fields from various flow visualization images. This …