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Alvium USB Cameras User Guide V3.6.4
Performance and troubleshooting
Shutter types affecting image readout
Some Alvium USB camera models are operated using global shutter (GS):
Other models use rolling shutter (RS). Alvium 1800 U-2050 models with Sony
IMX183 sensor offer global reset shutter (GRS) in addition:
Property
Line readout
Moving image
Global shutter (GS)
Property
Rolling shutter (RS)
Global reset shutter (GRS)
Line readout
Line exposure start
Deferred from line to line
Common for all lines
Line exposure time
Common for all lines
Increases from line to line
Image acquisition
of moving objects
Image brightness
Constant over the image
Varying over the image
Moving objects
Distorted shape
Shape without distortion
Typical application
Static objects
Moving objects
Compensation
Use an additional mechanical shutter or use a strobe light:
Table 110: Shutter types affecting image readout
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Strobe area
