User Manual (Ver.1.4) - Main Functions
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Image Scaling Mode (Xscale)
Related Setting Items:
JAI's Xscale algorithm digitally reduces the sensor image by specifying the vertical and horizontal
scaling ratio. This function can also be used for color models and allows finer adjustment of resolution
than the conventional
The output image types are Average or Sum.
Notes:
l
When using this function with the
, first, set the Width, Height,
OffsetX, and OffsetY settings, and then configure the Image Scaling Mode settings.
l
Refer to
Functions That Cannot Be Used Together
for usage restrictions.
How To Configure
1. If necessary, configure the
settings.
2. Set ImageScalingMode (ImageFormatControl) to
On
.
3. Use
ImageScalingSumMode
to specify the output image mode. The options are "
Average
(Off)" or "
Sum
(On)." Depending on the mode, the output image's brightness will be different.
Average Mode
: The average brightness of the sensor image is equal to the average brightness
of the reduced output image.
Sum Mode
: The sum of the brightness of all pixels in the sensor image and the sum of the
brightness of all pixels in the reduced output image is equal, thus increasing the brightness of the
output image.
