
STINGRAY Technical Manual V4.2.0
5
Automatic generation of correction data.................................................................... 101
Requirements .................................................................................................... 101
Algorithm ......................................................................................................... 101
Loading a shading image out of the camera ............................................................... 104
Loading a shading image into the camera .................................................................. 105
Look-up table (LUT) and gamma function....................................................................... 106
Loading an LUT into the camera ............................................................................... 108
Defect pixel correction ................................................................................................ 109
Building defect pixel data ....................................................................................... 111
Grab an image with defect pixel data .................................................................... 111
Calculate defect pixel coordinates ........................................................................ 111
Reset values (resolution, shutter, gain, brightness) ................................................ 112
Activate/deactivate defect pixel correction ................................................................ 112
Store defect pixel data non-volatile .......................................................................... 112
Load non-volatile stored defect pixel data ................................................................. 112
Send defect pixel data to the host ............................................................................ 113
Receive defect pixel data from the host ..................................................................... 113
DPC data: storing mechanism ................................................................................... 113
Binning (only Stingray b/w models and F-201C) .............................................................. 114
2 x / 4 x / 8 x binning (F-201C only 2 x vertical binning) ............................................ 114
Vertical binning ..................................................................................................... 115
Horizontal binning (F-201C only 2 x horizontal binning) .............................................. 117
2 x full binning/4 x full binning/8 x full binning (F-201C only 2 x full binning)............... 118
Sub-sampling (Stingray b/w and color) .......................................................................... 120
What is sub-sampling? ............................................................................................ 120
Which Stingray models have sub-sampling? ................................................................ 120
Description of sub-sampling..................................................................................... 120
Binning and sub-sampling access.................................................................................. 126
Quick parameter change timing modes........................................................................... 128
Why new timing modes?.......................................................................................... 128
Standard Parameter Update Timing .................................................................... 129
New: Quick Format Change Mode (QFCM) ............................................................. 129
How to transfer parameters to the camera.................................................................. 130
Encapsulated Update (begin/end)...................................................................... 130
Parameter-List Update ...................................................................................... 131
Standard Update (IIDC)..................................................................................... 132
Packed 12-Bit Mode................................................................................................... 133
High SNR mode (High Signal Noise Ratio) ...................................................................... 134
Frame memory and deferred image transport................................................................... 135
Deferred image transport......................................................................................... 135
HoldImg mode....................................................................................................... 136
FastCapture mode................................................................................................... 138
Color interpolation (BAYER demosaicing) ....................................................................... 139
Sharpness.................................................................................................................. 141
Hue and saturation ..................................................................................................... 142
Color correction.......................................................................................................... 143
Why color correction? ......................................................................................... 143
Color correction in AVT cameras ........................................................................... 143