Acumen AiP-T53N - Manual (Page 28)

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Chapter 3-5-6 Region of Interest (ROI)
Region of interest (ROI) feature is for sub-stream (D1 or CIF) video buffer to scale
and to crop on main video buffer (1080P) to meet best-fit video area. The major
purpose is to use sub-stream for saving storage or bandwidth.
To enable ROI feature, please first select
“Enable ROI”. Click on Zoom Out or In
button to get best-fit video area.
Crop & Scale to D1
Not Important Area