Stereo PIV system setup

A - For camera A;

B - For camera B;

Xo - X-component of the projected location of the camera lens center in the measurement plane;

Yo - Y-component of the projected location of the camera lens center in the measurement plane;

Hx - Distance between the camera lens center and the measurement plane determined with distribution of velocity component Vx

Hy - Distance between the camera lens center and the measurement plane determined with distribution of velocity component Vy

Single stereo recording

When recording pair for camera A is loaded as Recording 1&2, and recording pair for camera B is load as Mask 1&2, press “Add” button to accept the two pairs as a single stereo PIV recording. The file names can be checked by pressing button “Show”. The single stereo PIV recording can be removed by pressing button “Clear”. The check box on the right is checked when the single stereo PIV recording is ready. The check box on the right is shown as checked when the single stereo recording is ready.

Calibration function

Three check boxes are available for normal camera (N), stereo camera A and stereo camera B, respectively. By clicking left mouse button when the mouse arrow at one of the check boxes, the corresponding calibration function can be imported, exported or cleared in opened dialogue box “Calibration function”. When a calibration function is ready for use, the corresponding check box is shown as checked.

Field of view [mm]

Two points are used here to determine the corresponding field of view of the calibrated image in physical plane. (X0,Y0) and (X1,Y1) are at the bottom-left and top-right corner of the rectangular area, respectively. The unit of the coordinate is mm. The edit boxes are read-only, but the values can be changed in dialogue box “Imaging scale/time interval”.

Status

The square shaped sigh turns to white when the stereo camera parameters are ready to use.

I/O files

Read button – Used to read the settings from a saved file;

Write button – Used to write the current settings in to a file for future use. 

Edpiv pE 2013 help