Variational fluid flow measurements from image sequences: synopsis and perspectives
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 …
image processing and computer vision for two decades. We present a short overview over …
Flow visualization: state-of-the-art development of micro-particle image velocimetry
Experimental flow visualization is a valuable tool for analyzing microfluidics and nanofluidics
in a wide variety of applications. Since the late 1990s, considerable advances in optical …
in a wide variety of applications. Since the late 1990s, considerable advances in optical …
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 …
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 …
established cross-correlation methods for extraction of velocity fields from particle images …
Dynamics of the ammonia spray using high-speed schlieren imaging
Abstract Ammonia (NH3), as a carbon-free fuel, has a higher optimization potential to power
internal combustion engines (ICEs) compared to hydrogen due to its relatively high energy …
internal combustion engines (ICEs) compared to hydrogen due to its relatively high energy …
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 …
mechanics to determine the velocity components of flow fields in a wide range of complex …
Optical tracking velocimetry (OTV): Leveraging optical flow and trajectory-based filtering for surface streamflow observations
Nonintrusive image-based methods have the potential to advance hydrological streamflow
observations by providing spatially distributed data at high temporal resolution. Due to their …
observations by providing spatially distributed data at high temporal resolution. Due to their …
High-resolution velocimetry from tracer particle fields using a wavelet-based optical flow method
BE Schmidt, JA Sutton - Experiments in Fluids, 2019 - Springer
A wavelet-based optical flow method for high-resolution velocimetry based on tracer particle
images is presented. The current optical flow estimation method (WOF-X) is designed for …
images is presented. The current optical flow estimation method (WOF-X) is designed for …
From capture to simulation: connecting forward and inverse problems in fluids
We explore the connection between fluid capture, simulation and proximal methods, a class
of algorithms commonly used for inverse problems in image processing and computer …
of algorithms commonly used for inverse problems in image processing and computer …
Wavelet-based optical flow analysis for background-oriented schlieren image processing
BE Schmidt, MR Woike - AIAA Journal, 2021 - arc.aiaa.org
A wavelet-based optical flow analysis (wOFA) method for processing background-oriented
schlieren (BOS) images is presented and demonstrated on synthetic and experimental data …
schlieren (BOS) images is presented and demonstrated on synthetic and experimental data …