Dahua Technology WizSense IPC-HFW3441E-SA Operation Manual page 153

Step 2 Select channel 2, and then select a calibration number under the video images in turns
(See Figure 5-21) to add calibration points to the corresponding video images. Take
Calibrate 1 as an example.
Figure 5-21 Selecting a calibration number
1) Adjust the PTZ angle of channel 1 through the PTZ control interface to rotate the center
of channel 1 to a position aligned with the green point in Calibrate 1 image, and then
click .
Calibration box is displayed in images of Channel 1 and Calibrate 1
2) Respectively drag calibration boxes on images of Channel 1 and Calibrate 1 to the
corresponding positions. Click
You are recommended to drag calibration box to a static position with clear edges in
the image. This can ensure the edges can be accurately distinguished by the camera.
After the calibration record is saved, the calibration box is displayed in yellow.
Repeat 1) to 2) to add at least 4 pairs of calibration points to each calibration picture.
Step 3 Click Save.
Figure 5-20 Panoramic calibration
to save this pair of calibration boxes.
140
Operation Manual