68
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 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
1,456
1,088
1,584,128
114
141
153
WXGA+
1,440
900
1,296,000
138
170
182
SXGA
1,280
1,024
1,310,720
137
163
HD 720
1,280
720
921.600
188
222
XGA
1,024
768
786,432
211
SVGA
800
600
480,000
264
VGA
640
480
307,200
321
QVGA
320
240
76,800
564
QQVGA
160
120
19,200
896
Maximum × half
1,456
544
792,064
212
259
281
Maximum × minimum
1,456
8
11,648
1,307
1,448
1,526
Minimum × maximum
8
1,088
8,704
157
Minimum × minimum
8
8
64
1,964
Table 24: Alvium 1800 U-158m/c ROI frame rates at 200 to 300 MBps