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7 Image Format Control
On the left-hand side an example of ROI is shown and on the right-hand side an example of
MROI. It can be readily seen that the resulting image with MROI is smaller than the resulting
image with ROI only and the former will result in an increase in image frame rate.
M R O I 0
M R O I 1
M R O I 2
( 0 , 0 )
( 0 , 0 )
( x
m a x
, y
m a x
)
R O I
M R O I 0
M R O I 1
M R O I 2
R O I
( x
m a x
, y
m a x
)
R O I . X
R O I . W
R O I . Y
R
O
I.
H
R O I . X
R O I . W
M R O I 0 . Y
M
R
O
I0
.H
M R O I 1 . Y
M
R
O
I1
.H
M R O I 2 . Y
M
R
O
I2
.H
( 0 , 0 )
R O I . W
M
R
O
I0
.H
M
R
O
I1
.H
M
R
O
I2
.H
( 0 , 0 )
R O I . W
R
O
I.
H
Figure 7.1: Multiple Regions of Interest
Fig. 7.2 shows another MROI drawing illustrating the effect of MROI on the image content.
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