Two-dimensional Gaussian regression for sub-pixel displacement estimation in particle image velocimetry or particle position estimation in particle tracking velocimetry

Nobach H; Honkanen M

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Two-dimensional Gaussian regression for sub-pixel displacement estimation in particle image velocimetry or particle position estimation in particle tracking velocimetry

机译：二维高斯回归用于粒子图像测速中的子像素位移估计或粒子跟踪测速中的粒子位置估计

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摘要

An explicit solution of two-dimensional Gaussian regression for the estimation of particle displacement from the correlation function in particle image velocimetry (PIV) or particle position from the images in particle tracking velocimetry (PTV) with sub-pixel accuracy is introduced. The accuracy and the ability of the methods to avoid pixel locking due to non-axially orientated, elliptically shaped particle images or correlation peaks are investigated using simulated and experimentally obtained images.

机译：介绍了一种二维高斯回归的显式解决方案，该算法可以根据粒子图像测速（PIV）中的相关函数估计粒子位移，或者根据粒子跟踪测速（PTV）中的图像以子像素精度估计粒子位置。使用模拟和实验获得的图像，研究了该方法的准确性和避免由于非轴向取向，椭圆形粒子图像或相关峰而导致的像素锁定的能力。

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《Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow》 |2005年第4期|共5页
作者
Nobach H; Honkanen M;
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正文语种 eng
中图分类流体力学;
关键词
ACCURACY; PIV; FLOWS;

机译：准确性;PIV;流量;

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专利

1. Two-dimensional Gaussian regression for sub-pixel displacement estimation in particle image velocimetry or particle position estimation in particle tracking velocimetry [J] . Nobach H, Honkanen M Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 2005,第4期

机译：二维高斯回归用于粒子图像测速中的子像素位移估计或粒子跟踪测速中的粒子位置估计
2. Rectification of Image Velocity Results (RIVeR): A simple and user-friendly toolbox for large scale water surface Particle Image Velocimetry (PIV) and Particle Tracking Velocimetry (PTV) [J] . Patalano Antoine, Marcelo Garcia Carlos, Rodriguez Andres Computers & geosciences . 2017,第deca期

机译：校正图像速度结果（RIVeR）：一个简单且易于使用的工具箱，用于大规模水面颗粒图像测速（PIV）和颗粒跟踪测速（PTV）
3. Comparison of stereoscopic particle image velocimetry and volumetric particle tracking velocimetry in the wake of a ducted propeller [J] . Friedhoff B., Roettig F., Wennemar K., Ocean Engineering . 2021,第Auga15期

机译：立体粒子图像速度和体积粒子跟踪速度在管道螺旋桨之后的比较
4. ON SUB-PIXEL DISPLACEMENT ESTIMATION USED FOR PARTICLE IMAGE VELOCIMETRY [C] . F. Blumrich New beginnings: challenges for aerospace innovation . 2009

机译：粒子图像测速的亚像素位移估计
5. Pressure field estimation using particle image velocimetry. [D] . Calzada, Jean O. 2015

机译：使用粒子图像测速仪估算压力场。
6. Viscosity Estimation of a Suspension with Rigid Spheres in Circular Microchannels Using Particle Tracking Velocimetry [O] . Misa Kawaguchi, Tomohiro Fukui, Kenichi Funamoto, 2019

机译：使用粒子跟踪测速法估算圆形微通道中刚性球体的悬浮液的粘度
7. Optimized Time-Resolved Echo Particle Image Velocimetry– Particle Tracking Velocimetry Measurements Elucidate Blood Flow in Patients With Left Ventricular Thrombus [O] . Kaushik Sampath, Thura T. Harfi, Richard T. George, 2018

机译：优化的时间分辨回波粒子图像测速仪跟踪速度测量释放左心室血栓患者的血流量
8. Particle Image Velocimetry for the Surface Tension Driven Convection ExperimentUsing a Particle Displacement Tracking Technique [R] . Wernet, M. P., Pline, A. D. 1991

机译：用粒子位移跟踪技术进行表面张力驱动对流实验的粒子图像测速技术

Two-dimensional Gaussian regression for sub-pixel displacement estimation in particle image velocimetry or particle position estimation in particle tracking velocimetry

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