Specifications
48
Alvium USB Cameras User Guide V3.1.3
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 300 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
1456
1088
1,584,128
112
138
150
WXGA+
1440
900
1,296,000
134
166
177
SXGA
1280
1024
1,310,720
134
158
HD
1280
720
921.600
183
215
XGA
1024
768
78,336
205
SVGA
800
600
480,000
256
VGA
640
480
307,200
313
HVGA
480
320
153,600
435
QVGA
320
240
76,800
525
Maximum × half
1456
544
792,064
203
250
270
Maximum × minimum
1456
8
11,648
1,043
1,207
1,278
Minimum × maximum
8
1
1088
8,704
155
Minimum × minimum
8
1
8
64
1,771
1
Constant for values
≤
260 pixels
Table 16: ROI frame rates for 1800 U-158m/c at 200 to 300 MBps