VISCAM 1000 Systems
36
System Set-Up
are smaller than the I-frame. Example: value of 10 means the video starts with an I-frame, then 10 P-
frames, then another I-frame, and repeats until end of video.
8.
Pre-trigger Recording Time: the number of seconds before trigger to be included in the AVI output.
9.
Post-trigger Recording Time: the number of seconds after trigger to be included in the AVI output.
10.
Source Width:
a.
720p range: 1280 - 2560
b.
1080p range: 1920 – 2560
11.
Source Height:
a.
720p range: 720 – 2048
b.
1080p range: 1080-2048
c.
The camera’s sensor has higher resolution than the AVI or Stream output. Source Width and
Height together specifies the ROI window for the AVI and Stream output. The ROI will be
interpolated into the selected Video Format size and ratio so the resulting view may look
stretched or squeezed. Set Width and Height to 1280x720 for 720p, and 1920x1080 for 1080p
to get a 1 to 1 pixel ratio.
12.
Source Offset X:
a.
Range: 0 to (2560 – Source Width)
13.
Source Offset Y:
a.
Range: 0 to (2048 – Source Height)
b.
Offset X and Y specify the upper left corner of the ROI within the sensor region. By default
Offset X and Y are 0 so the resulting view is of the upper left corner of sensor with dimensions
specified in Source Width and Height. By changing Offset X and Y you could move the ROI.
One use is to move the ROI to the center or to where the plate region is.
Содержание VISCAM 1000 System
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