95
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 375 MBps. Increasing the
DeviceLinkThroughputLimit
value
does not increase frame rates.
Image format
Width
[pixels]
Height
[pixels]
ROI area
[pixels]
Frame rate [fps]
200 MBps
250 MBps
300 MBps
Full resolution
2,464
2,056
5,065,984
37
47
56
QXGA
2,048
1,536
3,145,728
60
74
86
Full HD
1,920
1,080
2,073,600
89
109
120
UXGA
1,600
1,200
1,920,000
96
109
WXGA+
1,440
900
1,296,000
138
143
SXGA
1,280
1024
1,310,720
127
HD 720
1,280
720
921,600
175
XGA
1,024
768
786,432
166
SVGA
800
600
480,000
208
VGA
640
480
307,200
254
QVGA
320
240
76,800
447
QQVGA
160
120
19,200
718
Maximum × half
2,464
1,028
2,532,992
72
90
107
Maximum × minimum
2,464
8
19,712
888
1,004
1,093
Minimum × maximum
8
2,056
16,448
66
Minimum × minimum
8
8
64
1,653
Table 39: Alvium 1800 U-508m/c ROI frame rates at 200 to 300 MBps
Frame rate values
Frame rates increase when bandwidth is increased, see