Saving And Restoring Prnu And Fpn Coefficients - Dalsa Piranha HN HN-80-08k40-R User Manual

Piranha HN RoHS User Manual

Saving and Restoring PRNU and FPN Coefficients

Pixel coefficient sets are saved separately for Forward and Reverse direction, depending on which
direction the camera is operating in when the
pixel coefficients before switching CCD shift direction or current coefficient values will be lost.
Coefficients saved
for forward direction
only
Figure 21: How Pixel Coefficients are saved in the HN-xx Cameras after issuing the wpc or wfc Command
Saving the Current PRNU Coefficients
Purpose:
Syntax:
Notes:
Example:
Saving the Current FPN Coefficients
Purpose:
Syntax:
Notes:
Example:
Loading the Current Pixel Coefficients
Purpose:
Syntax:
Teledyne DALSA
wpc
User issues
Note: Camera must be operating in TDI Mode
Camera is operating
in forward direction
Saves the current PRNU coefficients for the current direction.
wpc
• Available in TDI mode only.
Available only when operating the camera in internal direction control (scd 0 or 1)
•
wpc
Saves the current FPN coefficients for the current direction.
wfc
Available in TDI mode only.
•
Available only when operating the camera in internal direction control (scd 0 or
•
1)
wfc
Loads the current FPN and PRNU coefficients for the current direction.
lpc
or command is issued. It is important that you save
wfc
START
wpc or wfc command.
Camera is operating
in reverse direction
Note: Available in
TDI Mode only.
Coefficients saved
for reverse direction
only.
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