Animation3-DVolume PIV

Title

Background

Flow chart of 3-D Volume PIV

Coordinate transformation

Definition of camera parameters

Camera calibrator

Collinear equation

Stereo matching

Epipolar line

3-D positon of calibration image coordinates

Stereo matching of particles

Equation of particles to be laid on 3-D position

Particles on 3-D position

Particles of frame1 and frame2

Concept of 3-D cross-correlation

Equation of  3-D cross-correlation

Identification by 3-D cross-correlation

Condition of experiment

Definition of measuring region

Test section size

Original image of 3 cameras

Program for calculation of camera coordinate

program for calculation of camera parameters

Program for search for centroids

Stereo matching of 3 cameras

Program for stereo matching

Program for calculation of 3-D position

Program for identification by 3-D Cross-correlation

Program for a view of original velocity vectors

Program for removal of error vectors

Equation of removal of error vectors(statistics)

Equation of removal of error vectors (by continuty equ.)

Program for interpolation discrete vectors

3-D interpolation method

Program for a view of velocity vectors (X skip)

Program for a view of velocity vectors (Y skip)

Program for a view of velocity vectors (Z skip)

Program for a view of kinetic energy (X skip)

Program for a view of kinetic energy (Y skip)

Program for a view of kinetic energy (Z skip)

3-D Volume PIV Animation