Allied Vision Technologies AVT Marlin Technical Manual page 4

Control and video data signals........................................................................................ 52
Inputs .................................................................................................................... 52
Triggers.............................................................................................................. 52
Input/output pin control........................................................................................... 53
IO_INP_CTRL 1-2 ................................................................................................. 53
Trigger delay ....................................................................................................... 54
Outputs .................................................................................................................. 56
IO_OUTP_CTRL 1-2 ............................................................................................... 58
Output modes...................................................................................................... 59
Pixel data.................................................................................................................... 61
Description of the data path
Block diagrams of the cameras ....................................................................................... 65
Black and white cameras ........................................................................................... 65
Color cameras .......................................................................................................... 66
IBIS5A multiple slope (High Dynamic Range mode) ........................................................... 67
MARLIN F-131 with three knee-points ..................................................................... 68
White balance .............................................................................................................. 70
One-push automatic white balance ............................................................................. 72
Automatic white balance ........................................................................................... 73
Auto shutter ................................................................................................................ 75
Auto gain .................................................................................................................... 78
Manual gain................................................................................................................. 80
Brightness (black level or offset) .................................................................................... 80
Look-up table (LUT) and gamma function......................................................................... 82
Loading an LUT into the camera ................................................................................. 83
Shading correction........................................................................................................ 84
How to store shading image....................................................................................... 84
Automatic generation of correction data...................................................................... 85
Requirements ...................................................................................................... 85
Algorithm ........................................................................................................... 85
Loading a shading image out of the camera ................................................................. 89
Loading a shading image into the camera .................................................................... 90
DSNU & blemish correction
(MARLIN F-131B only) ................................................................................................... 91
Horizontal mirror function ............................................................................................. 93
Binning (only Marlin CCD b/w models) ............................................................................. 94
2 x binning ............................................................................................................. 94
Vertical binning ....................................................................................................... 95
Horizontal binning ................................................................................................... 96
2 x full binning........................................................................................................ 97
Sub-sampling (MARLIN F-131B/C,
MARLIN F-146C and MARLIN F-201C) ............................................................................... 98
What is sub-sampling? .............................................................................................. 98
Which Marlin models have sub-sampling?..................................................................... 98
Description of sub-sampling....................................................................................... 98
Parameter update timing ............................................................................................. 103
Sharpness.................................................................................................................. 104
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MARLIN Technical Manual V2.4.0
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