Sony XCGH280CR Manuel technique - Page 16
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Partial Scan
Partial Scan is a function for outputting a user-defined region within the overall image area. The cut-out region for
partial scan is defined by Offset X and Offset Y (which indicate the start point for cutting) as well as Width and Height
(which indicate the area). Contiguous blocks of minimum areas can be selected to define regions. However, the defined
region must be a rectangle. T- and L-shaped regions are invalid. When Vertical Binning or/and Horizontal Binning are
active, the pixels defined by Width, Height, OffsetX, and OffsetY are those after pixel binning.
OFFSET X
OFFSET Y
HEIGHT
Y (vertical direction)
Setting parameters: Width =
Notes
• When setting Partial Scan mode, observe the following conditions.
Width + OffsetX
Height + OffsetY
• Be aware that the frame rate increases for vertical cut-outs, while the frame rate remains unchanged for horizontal
cut-outs.
• In 4-channel sensor reading, the closer to the center the reading position, the more the frame rate will be improved.
While keeping Height unchanged, OffsetY that provides the maximum frame rate can be obtained with the formula
below:
OffsetY = (MaxHeight – Height)/2
Be sure that MaxHeight is 1440 with Vertical Binning Off and 720 with it On.
For More Information Please Call Aegis Electronic Group, Inc. * (888) 687-6877 Phone * [email protected] * http://www.aegis-elec.com
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WIDTH
640 to 1920,
320 to 960,
OffsetX = 0 to 1280,
0 to 640,
Height =
480 to 1440,
240 to 720,
OffsetY = 0 to 720,
0 to 480,
MaxWidth (1920 with Horizontal Binning Off, 960 with it On)
MaxHeight (1440 with Vertical Binning Off, 720 with it On)
X (horizontal direction)
by 8 pixels (Horizontal Binning Off)
by 4 pixels (Horizontal Binning On)
by 2 pixels (Horizontal Binning Off)
by 1 pixel (Horizontal Binning On)
by 2 pixels (Vertical Binning Off)
by 1 pixel (Vertical Binning On)
by 2 pixels (Vertical Binning Off)
by 1 pixel (Vertical Binning On)
Cutting by Partial Scan