Photron Fastcam SA6 User Manual page 164

Chapter. 3 2BSetting Shot Conditions/Shooting
Area parameter
Histogram view
Click the [Test Start] button on the image trigger bar as necessary to test the trigger. If not
6.
testing the trigger, proceed to step 9.
If "Background subtraction" is selected under "Detection mode", the background image
7.
acquisition starts and "Acquiring background" is displayed on the image trigger bar.
• If at all possible, do not allow changes to the image while acquiring the background image.
When "Waiting trigger" is displayed on the image trigger bar, image change monitoring starts.
8.
Allow a change in the image, verify that the display changes to "Running", then click the [Test
Stop] button.
Item
Check "Area Specification" and you can specify the area to be the detection target
by dragging your mouse on the desired area or by specifying the values.
Uncheck "Area Specification" to make the entire area the detection target.
Check this option to display the histogram.
For color images, a histogram of RGB averaged values is displayed.
Explanation
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