Cheetah GMAX Camera with CoaXPress Interface – User Manual
December 15, 2020 Page 5 of 122 Rev 1.1
Exposure Control in Trigger Mode ...............................................................................67
Global Shutter..............................................................................................................68
Automatic Exposure and Gain Control ..............................................................................69
P, I, and D Coefficients.......................................................................................................71
Proportional Response.................................................................................................72
Integral Response ........................................................................................................72
Derivative response .....................................................................................................72
Camera Triggering .............................................................................................................73
Trigger Modes ..............................................................................................................73
Trigger Sources ............................................................................................................77
Configuring the Trigger ................................................................................................78
Video Amplifier Gain and Offset........................................................................................80
Analog Gain..................................................................................................................80
Digital Gain...................................................................................................................80
Black Level and Offset..................................................................................................80
Data Output Format ..........................................................................................................81
Pulse Generator.................................................................................................................81
Input / Output Control.......................................................................................................82
Strobe and Synchronization Controls ................................................................................83
Configuring the Strobe in Free-Running Mode............................................................84
Configuring a Strobe in Trigger Mode..........................................................................86
Area of Interest..................................................................................................................91
Horizontal and Vertical Window..................................................................................91
Factors Impacting Frame Rate .....................................................................................91
Sub-Sampling Decimation..................................................................................................92
Transfer Function Correction.............................................................................................93
Gamma Control............................................................................................................93
Factory LUTs.................................................................................................................94
User Defined LUT .........................................................................................................94
Hot and Defective Pixel Correction ...................................................................................95
Flat Field Correction ..........................................................................................................95
Test Image Pattern ............................................................................................................96
Automatic White Balance..................................................................................................96
Configuration Memory ......................................................................................................99
CXP Link Customization ...................................................................................................100
Canon Lens Control..........................................................................................................102
Focus Control .............................................................................................................102
Iris Control .................................................................................................................103
Image Sensor Technology ............................................................................ 104
General Information ........................................................................................................104
Spectral Sensitivity...........................................................................................................105
Appendix A: Creating Hot and Defective Pixel Correction Maps.................... 106
Overview..........................................................................................................................106
Editing HPM / DPM Files..................................................................................................106
Finding Defective Pixels .............................................................................................107
Finding Hot Pixels.......................................................................................................107
Locating and adding pixel coordinates ......................................................................109
Creating a DPM/HPM Using a Text Editor .......................................................................112
Creating a DPM Using Imperx Toolkit..............................................................................113
Creating an HPM Using Imperx Toolkit............................................................................114
