56
Alvium USB Cameras User Guide V3.3.0
Specifications
ROI frame rates
Values were measured for
typical operation
, using the test setup defined in
To reach the maximum frame rate available for typical operation, the bandwidth
for image traffic is 200 MBps. Increasing the
DeviceLinkThroughputLimit
value
does not increase frame rates.
Image format
Width
[pixels]
Height
[pixels]
ROI area [pixels]
Frame rate [fps]
at 200 MBps
Full resolution
728
544
396,032
289
VGA
640
480
307,200
322
HVGA
480
320
153,600
450
QVGA
320
240
76,800
564
HQVGA
240
160
38,400
750
QQVGA
160
120
19,200
896
Maximum × half
728
272
198,016
503
Maximum × minimum
728
8
5,824
1,793
Minimum × maximum
8
544
4,352
293
Minimum × minimum
8
8
64
1,964
Table 18: Alvium 1800 U-040m/c ROI frame rates at 200 MBps