8
Figure 5 Online preview of the dual spectrum camera
2) Choose the display window first by single click the window, then choose the camera
which will be displayed on this window.
5.2 Referential point setting
Click enable reference point, and a reference point will appear in the screen (yes, my name is a
reference point). Move the reference point to the center of the Blackbody, and fill in the actual
temperature value of the Blackbody in the column of reference Blackbody temperature (generally
35 ℃).
Figure 6 Set the referential point (blackbody)
5.3 Thermal/Visible camera view field matching
The purpose of this step is to establish the matching between the thermal imaging and visible
light camera video preview, such that when setting the measuring marks on the thermal imaging
previewing, they will be synchronized to the same place on the visible light peering places. The
steps are described as following:
1) Find the feature points Sp1 and Sp2 in the infrared and visible images. The distance between
Sp1 and SP2 should be as far as possible, and it is suggested to set them on the diagonal
direction of the picture.
2) Let the visible camera and the thermal camera draw the point mark on the same object, for