Advantech DVMB-554E - Manual (Page 88)

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6.3.3 Resolution
Set the video capturing resolution. Please refer to
DVMB554SDK_Manual
Notice: For the resolution of VGA or D1, the capture video will
have the interlace effect on the video image. In other words, there
will be lines in the capture image especially when the targeted
image is moving. To eliminate this effect, user might need to set
the resolution down to 640x240 and use specific algorisms to
compensate the image interlace between the scanning even field
image and odd field image. For CIF/320x240 resolution, there will
be no interlace effect.