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Controlling image capture – ALLIED Vision Technologies Guppy PRO F-503 User Manual

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Guppy PRO Technical Manual V4.0.0

5

Mirror function (only Guppy PRO F-503) ......................................................................... 108
Look-up table (LUT) and gamma function ....................................................................... 109

Loading an LUT into the camera ............................................................................... 111

Defect pixel correction

(only Guppy PRO F-503B/C).......................................................................................... 112

Building defect pixel data ....................................................................................... 114

Grab an image with defect pixel data .................................................................... 115
Calculate defect pixel coordinates ........................................................................ 115
Reset values (resolution, shutter, gain, brightness) ................................................ 115

Activate/deactivate defect pixel correction ................................................................ 116
Store defect pixel data non-volatile .......................................................................... 116
Load non-volatile stored defect pixel data ................................................................. 116
Send defect pixel data to the host ............................................................................ 116
Receive defect pixel data from the host ..................................................................... 116

Binning (only b/w cameras; F-503: also color cameras) .................................................... 117

2 x binning (F-503 also 4 x) .................................................................................... 117
Vertical binning ..................................................................................................... 118
Horizontal binning ................................................................................................. 121
2 x full binning (F-503 also 4 x full binning) .............................................................. 123

Sub-sampling (only F-503B/C and CCD cameras b/w)........................................................ 125

What is sub-sampling? ............................................................................................ 125
Which Guppy PRO models have sub-sampling? ............................................................ 125
Description of sub-sampling..................................................................................... 125

Binning and sub-sampling access (F-503 only) ................................................................ 130
Packed 12-Bit Mode .................................................................................................... 133
Color interpolation (BAYER demosaicing) ....................................................................... 134
Hue and saturation ..................................................................................................... 135
Color correction.......................................................................................................... 136

Why color correction? ......................................................................................... 136
Color correction in AVT cameras ........................................................................... 136
Color correction: formula..................................................................................... 136
GretagMacbeth ColorChecker ................................................................................ 136
Changing color correction coefficients .................................................................. 137
Switch color correction on/off ............................................................................. 137

Color conversion (RGB to YUV)...................................................................................... 138
Bulk Trigger ............................................................................................................... 138
Level Trigger .............................................................................................................. 138

Controlling image capture

.......................................................................... 139

Global shutter (CCD cameras only)................................................................................. 139
Electronic rolling shutter (ERS) and global reset release shutter (GRR) (only Guppy PRO F-503) ....
140
Trigger modes ............................................................................................................ 141

Trigger_Mode_0 (edge mode) and Trigger_Mode_1 (level mode).................................... 142

Guppy PRO F-503, Trigger_Mode_0, electronic rolling shutter ................................... 143
Guppy PRO F-503, Trigger_Mode_0, global reset release shutter ................................ 145

Bulk trigger (Trigger_Mode_15) ................................................................................ 146
Trigger delay ......................................................................................................... 149

Trigger delay advanced register............................................................................ 150