Image Regions of Interest (ROIs)
A very important concept in the Intel® Image Processing Library architecture is an
image's region of interest (ROI). Functions can operate not only on
entire images but also on image regions. Depending on the processing needs, the following
image regions can be specified:
An image can simultaneously have any combination of a rectangular ROI,
a mask ROI, and a COI. Operations are performed on the intersection of all applicable ROIs.
For example, if an image has both types of ROI and a COI, operations are performed only
on the values of this COI, and only for those pixels that belong to the intersection
of mask ROI and rectangular ROI.
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