Basler GigE SERIES User Manual

AW00089317000 Image Acquisition Control
Basler ace GigE 125
7.7.2.1 The Flash Window
Flash Window in Electronic Rolling Shutter Mode (ERS)
If you are using the electronic rolling shutter mode, capturing images of moving objects requires the
use of flash exposure. If you don’t use flash exposure when capturing images of moving objects,
the images will be distorted due to the temporal shift between the start of exposure for each line.
You can avoid distortion problems by using flash lighting and by applying the flash during the "flash
window" for each frame. Flash window = period of time during a frame acquisition when all of the
lines in the sensor are open for exposure.
For more information about the Exposure Time Abs parameter, see Section 7.6 on page 115.
For
calculating ...
Formula Notes
Time to Flash
Window Open
tRow x (AOI Height -1) tRow: see Table 18.
Flash window width Exposure Time Abs Parameter Setting - [ (tRow x (AOI Height -1) ] -
Line 1
Line 2
Line 4
Line 3
Line 5
Line 6
Line 8
Line 7
Line 9
Line 10
Line 11
Line N-2
Line N
Line N-1
Time to Flash Window Open
tRow
Flash Window Width
= line exposure time
= line readout time
Flash Window
Fig. 64: Flash Window for Rolling Shutter in the ERS Mode

Basler GigE SERIES Specifications

General

Interface	GigE
Lens Mount	C-Mount, CS-Mount
Sensor	CMOS
Mount	C-mount, CS-mount
Power Supply	Power over Ethernet (PoE)
Dimensions	Varies by model
Weight	Varies by model
Operating Temperature	Varies by model