Video Area
22
Note:
For more information on the relationship between the values
listed in
and the specifications for RS-170 and CCIR, refer to
Region of Interest (ROI)
The ROI is the portion of the active video area that you want to
acquire and save.
The top of the ROI is the first line of video relative to the active video
area. The left side of the ROI is the first pixel of video relative to the
active video area. The width of the ROI is the number of pixels per
line of video. The height of the ROI is the number of lines per frame.
shows the settings you can program on a DT3162 board to
define the ROI.
Table 3: Vertical Input Settings
Setting
Description
Range
a
a. In increments of 1.
First Active Line
The position of the first active
video signal within the field,
as a line offset from the
beginning of the vertical sync.
0 to 2047 lines
Active Line Count
The number of lines per frame
in the active video area.
1 to 2047 lines
Содержание DT3162
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